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[Home](https://www.sigmaaldrich.com/US/en)[Batteries, Supercapacitors & Fuel Cells](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/batteries-supercapacitors-and-fuel-cells)Complex Hydrides: New Solid-state Conductors
# Complex Hydrides: New Solid-state Conductors
__Motoaki Matsuo1, Hiroyuki Oguchi1,2, Hideki Maekawa2, Hitoshi Takamura2, Shin-ichi Orimo1__
1Institute for Materials Research, Tohoku University Katahira 2-1-1, Sendai, 980-8577, Japan, 2Graduate School of Engineering, Tohoku University Aramaki Aza Aoba 6-6-02, Sendai, 980-8579, Japan
## [](https://www.sigmaaldrich.com)Introduction
Research and development of solid-state lithium fast-ion conductors is crucial because they can be potentially used as solid electrolytes in all-solid-state batteries, which may solve the safety and energy-density related issues of conventional lithium-ion batteries that use liquid (farmable organic) electrolytes. So far, a wide variety of inorganic lithium fast-ion conductors of oxides,[1 ,2](https://www.sigmaaldrich.com#ref) nitrides[3](https://www.sigmaaldrich.com#ref) and sulfides[4, 5](https://www.sigmaaldrich.com#ref) have been extensively studied because they have an advantage in high ion conductivity \[>10-3 S/cm at room temperature (RT)] as well as high lithium ion transport number (~1). Further efforts continue to overcome various barriers to practical realization, for example very high grain boundary resistance.
Lithium fast-ion conduction was discovered in LiBH4 ([686026](https://www.sigmaaldrich.com/US/en/product/aldrich/686026)) in 2007. LiBH4 has not only high ion conductivity but also the following advantages for the solid electrolyte in lithium-ion batteries: (1) extremely low grain boundary resistance, (2) high electrochemical stability up to at least 5 V (vs Li+/Li) at 390 K, (3) extremely low polarization to metallic electrodes, (4) commercial availability and (5) suitability for various material processing techniques, including mechanical milling, heat treatment, impregnation and vapor deposition. This article reviews the fast-ion conduction in LiBH4 and its derivatives (LiBH4-LiI and LiBH4-LiNH2 systems), as a new category of solid-state lithium fast-ion conductors.
## Lithium Fast-ion Conduction in LiBH4
Complex hydrides are generally expressed as *M*(*M*′Hn), where M is a metal cation and (*M*′Hn) represents a complex anion such as (NH2)-, (BH4)- and (AlH4)-. LiBH4 is a representative complex hydride, and has recently attracted great interest as a potential candidate for advanced hydrogen storage materials because of its high hydrogen density. LiBH4 undergoes a structural transition at about 390 K from the orthorhombic low-temperature (LT) phase to the hexagonal high-temperature (HT) phase. Our study of microwave irradiation-induced rapid hydrogen desorption suggested that LiBH4 might become conductive in the HT phase, although it is an insulator in both the LT phase and the HT phase with large band gap of about 7 eV.
Therefore, we systematically examined the lithium ion conductivity of LiBH4 by an arc complex impedance method and 7Li NMR measurement.[6](https://www.sigmaaldrich.com#ref)

__Figure 1.__ Electrical properties of LiBH4 and its derivatives. __(a)__ Typical impedance plots for the LT phase and the HT phase of LiBH4 obtained using lithium-metal electrodes. __(b)__ Temperature dependence of the lithium ion conductivity. The melting temperature of Li2BNH6, 368 K, is indicated as Tm.
__Figure 1(a)__ shows the temperature dependence of the electrical conductivity of LiBH4 as determined from the impedance plots shown in __Figure 1(b)__. The impedance plots of both the LT phase and the HT phase show only a single arc, indicating that the response arising from the grain boundary is not observed, although the pelletized sample used for the impedance measurement was prepared simply by pressing powder LiBH4 without subsequent sintering. The conductivities of the LT phase are very low, in the range of 10-8 to 10-6 S/cm, and the value linearly increases with increasing temperature. At about 390 K, the transition temperature, the conductivity drastically increases by three orders of magnitude. As a result, the HT phase exhibits high conductivity of the order of 10-3 S/cm. The activation energies for conduction are evaluated to be 0.69 eV and 0.53 eV for the LT and HT phases, respectively.
In order to confirm whether the high electrical conductivity of LiBH4 in the HT phase is due to the lithium fast ion mobility, 7Li NMR was measured. __Figure 2__ shows the 7Li NMR spectra at selected temperatures.

__Figure 2.__ 7Li NMR spectra of LiBH4 at selected temperatures.
The shapes of the spectra drastically change at the structural transition temperature. In the LT phase (<385 K), only broad and small peaks are observed. On the contrary, in the HT phase (>388 K), each spectrum shows a central sharp line and two satellite lines. The decrease in the line width of the central line indicates the motional narrowing caused by the lithium fast ion motion in the HT phase. Furthermore, __Figure 1__ also shows the NMR-derived conductivity estimated by the Nernst- Einstein equation using the correlation times obtained by the temperature dependence of the spin-lattice relaxation time T1. Clearly, the NMR data show a fairly good agreement with that measured by the impedance method. Thus, we concluded the charge carrier must be Li+ ions; the HT phase is a lithium fast-ion conductor.

__Figure 3.__ Crystal structures of LiBH4 in orthorhombic LT phase (bottom) and hexagonal HT phase (top). Red sphere and gray tetrahedrons show Li+ and (BH4)- ions, respectively. Blue arrowed lines show the predicted diffusion path.
As shown in __Figure 3__, the characteristic feature of the HT structure is that both Li+ ions and (BH4)- ions line up along the a axis and the b axis such that there is no (BH4)- ion between Li+ ions and vice versa. This arrangement may enable Li+ ions to migrate along these directions. Detailed studies using first-principles molecular dynamics simulations[7](https://www.sigmaaldrich.com/technical-documents/articles/material-matters/complex-hydrides#ref) and high-pressure impedance measurements[8](https://www.sigmaaldrich.com#ref) are now under way.
## Enhanced Conductivity of the Complex Hydrides Derived from LiBH4[](https://www.sigmaaldrich.com)
The lithium fast-ion conduction in LiBH4 could potentially aid the development of solid electrolytes in all-solid-state batteries. From an application point of view, however, it is highly desirable to enhance the conductivity at room temperature (RT). For that purpose, next, we tried materials design of fast-ion conductors of complex hydrides. As a typical example, we have investigated the LiBH4-LiI and LiBH4-LiNH2 systems with different concepts.
### Stabilization of the HT Phase in the LiBH4-LiI System[9-11](https://www.sigmaaldrich.com#ref)
We assumed that the stabilization of the HT phase should significantly improve the conductivity at RT, and the substitution of (BH4)- ion by I- ion, of which ion radius (2.20 Å) is larger than that of (BH4)- ion (2.05 Å), might be effective for that purpose because it has been reported that alkali-metal borohydrides MBH4 (M = Na, K, Rb and Cs) with longer distances between neighboring (BH4)- ions exhibit the lower transition temperatures.[12](https://www.sigmaaldrich.com#ref)

__Figure 4.__ (a) XRD profiles of (1–x)LiBH4 + xLiI synthesized by mechanical milling (x = 0.07 - 0.50) and (b) structural transition temperatures determined by DSC as a function of value x (top axis) and “LiI mol %” (bottom axis).
__Figure 4(a)__ shows the x-ray diffraction (XRD) profiles of (1-x)LiBH4 + xLiI synthesized by mechanical milling. The profiles gradually change from the LT phase to the HT phase with increasing amounts of LiI ([518018](https://www.sigmaaldrich.com/US/en/product/aldrich/518018)) . For x = 0.25 and 0.5, only the peaks corresponding to the HT phase are observed with being shifted to lower angle, indicating the substitution of (BH4)- ion by I- ion. The transition temperatures determined by differential scanning calorimetry (DSC), shown in __Figure 4(b)__, clearly show the stabilization feature of the HT phase depending on the molar ratio of LiI. The vibrational properties measured by spatially resolved Raman spectroscopy demonstrated the importance of anharmonic effects in the structural transformation in this system.[13](https://www.sigmaaldrich.com#ref)
__Figure 1__ also shows the result of the ion conductivity measurements for x = 0.25. The conductivity follows the Arrhenius behavior throughout the measured temperature range without the abrupt change observed for LiBH4 due to the structural transition. As expected, we achieved the increase in the conductivity at RT by 3 orders of magnitude without high conductivity of the HT phase decreased. We also confirmed that the substitution of (BH4)- ion by Cl- ion leads to the enhanced conductivity.[14](https://www.sigmaaldrich.com#ref)
### Double Complex Anions in the LiBH4-LiNH2 System[15](https://www.sigmaaldrich.com#ref)
The LiBH4-LiNH2 system has been studied from the viewpoint of developing hydrogen storage materials, and two phases, Li2BNH6 and Li4BN3H10, have been known to exist. As shown in Figure 5, both Li2BNH6 and Li4BN3H10 have different configuration of anions from LiBH4: Li+ ions are tetrahedrally coordinated by combinations of (BH4)- and (NH2)-. The LiBH4-LiI system showed the ion conductivity is affected by configuration of anions to a great degree, which made us get interested in these local structures.

__Figure 5.__ Local atomic structures of LiBH4 (left) and Li4BN3H10 (right). Red, green, orange and blue solid spheres show Li, B, N and H, respectively. Li4BN3H10 has multiple occupation sites for Li+ ions while LiBH4 has only one site.
The conductivity measurements indicate that Li2BNH6 has fast-ion conductivity of 2×10-4 S/cm at RT, which is 4 and 5 orders of magnitude higher than those of the host hydrides LiBH4 and LiNH2, respectively, and the conductivity monotonically increases upon heating (__Figure 1__). The activation energy significantly decreases at around 368 K from 0.56 eV (303-348 K) to 0.24 eV (above 368 K) due to melting. The total ion conductivity reaches up to 6×10-2 S/cm at the highest temperature measured 378 K. Li2BNH6 could be a good ionic liquid electrolyte as well as a solid electrolyte. Li4BN3H10 also exhibits high ion conductivity of 2×10-4 S/cm even at RT. The activation energy is evaluated to be 0.26 eV. It is noteworthy that this value is less than half those in Li2BNH6 before melting and LiBH4, indicating that Li4BN3H10 has higher lithium ion mobility. This feature was also confirmed by 7Li NMR, reflecting the different configuration of anions.[15](https://www.sigmaaldrich.com#ref)
## Future Perspective[](https://www.sigmaaldrich.com)
In this short review, we have introduced the lithium fast-ion conduction in LiBH4 and its derivatives. We have recently elucidated that (NH2)-based and (AlH4)-based complex hydrides are also lithium ion conductors. The further research and development should provide new lithium ion conductors and new phenomena characteristic for complex hydrides.
Additionally, our group is currently focusing on the following subjects in order to demonstrate all-solid-state batteries using complex hydride solid electrolytes:
1. Search for non-oxide cathode materials
2. Synthesis of thin-film Li4BN3H10
Among the complex hydrides introduced in this review, Li4BN3H10 is the most promising candidate for solid electrolyte because it has the highest conductivity and the lowest activation energy. Thin-film Li4BN3H10 would allow the fabrication of thin-film lithium ion batteries, such as graphite/thin-film Li4BN3H10/above-mentioned new cathode, for micro electromechanical system (MEMS).
## Acknowledgments[](https://www.sigmaaldrich.com)
Support for this work by KAKENHI (22760529, 18GS0203, 21360314 and 21246100) is gratefully acknowledged.
## Materials
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### References
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Aono H, Sugimoto E, Sadaoka Y, Imanaka N, Adachi G. 1993. Electrochem. Soc.. 140, 1827.
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Inaguma Y, Liquan C, Itoh M, Nakamura T, Uchida T, Ikuta H, Wakihara M. 1993. High ionic conductivity in lithium lanthanum titanate. Solid State Communications. 86(10):689-693. [https://doi.org/10.1016/0038-1098(93)90841-a](https://doi.org/10.1016/0038-1098%2893%2990841-a)
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RABENAU A. 1982. Lithium nitride and related materials case study of the use of modern solid state research techniques?. Solid State Ionics. 6(4):277-293. [https://doi.org/10.1016/0167-2738(82)90012-1](https://doi.org/10.1016/0167-2738%2882%2990012-1)
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Kanno R, Murayama M. 2001. Lithium Ionic Conductor Thio-LISICON: The Li\[sub 2]S-GeS\[sub 2]-P\[sub 2]S\[sub 5] System. J. Electrochem. Soc.. 148(7):A742. [https://doi.org/10.1149/1.1379028](https://doi.org/10.1149/1.1379028)
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Iio K, Hayashi A, Morimoto H, Tatsumisago M, Minami T. 2002. Mechanochemical Synthesis of High Lithium Ion Conducting Materials in the System Li3N?SiS2. Chem. Mater.. 14(6):2444-2449. [https://doi.org/10.1021/cm010770p](https://doi.org/10.1021/cm010770p)
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Matsuo M, Nakamori Y, Orimo S, Maekawa H, Takamura H. 2007. Lithium superionic conduction in lithium borohydride accompanied by structural transition. Appl. Phys. Lett.. 91(22):224103. [https://doi.org/10.1063/1.2817934](https://doi.org/10.1063/1.2817934)
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Ikeshoji T, Tsuchida E, Ikeda K, Matsuo M, Li H, Kawazoe Y, Orimo S. 2009. Diffuse and doubly split atom occupation in hexagonal LiBH4. Appl. Phys. Lett.. 95(22):221901. [https://doi.org/10.1063/1.3264953](https://doi.org/10.1063/1.3264953)
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Takamura H, Kuronuma Y, Maekawa H, Matsuo M, Orimo S. Solid State Ionics (in press).
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Maekawa H, Matsuo M, Takamura H, Ando M, Noda Y, Karahashi T, Orimo S. 2009. Halide-Stabilized LiBH4, a Room-Temperature Lithium Fast-Ion Conductor. J. Am. Chem. Soc.. 131(3):894-895. [https://doi.org/10.1021/ja807392k](https://doi.org/10.1021/ja807392k)
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Oguchi H, Matsuo M, Hummelshøj JS, Vegge T, Nørskov JK, Sato T, Miura Y, Takamura H, Maekawa H, Orimo S. 2009. Experimental and computational studies on structural transitions in the LiBH4?LiI pseudobinary system. Appl. Phys. Lett.. 94(14):141912. [https://doi.org/10.1063/1.3117227](https://doi.org/10.1063/1.3117227)
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Miyazaki R, Karahashi T, Kumatani N, Noda Y, Ando M, Takamura H, Matsuo M, Orimo S, Maekawa H. 2010. Solid State Ionics (online).
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Stephenson CC, Rice DW, Stockmayer WH. 1955. Order?Disorder Transitions in the Alkali Borohydrides. The Journal of Chemical Physics. 23(10):1960-1960. [https://doi.org/10.1063/1.1740617](https://doi.org/10.1063/1.1740617)
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Borgschulte A, Gremaud R, Kato S, Stadie NP, Remhof A, Züttel A, Matsuo M, Orimo S. 2010. Anharmonicity in LiBH4?LiI induced by anion exchange and temperature. Appl. Phys. Lett.. 97(3):031916. [https://doi.org/10.1063/1.3467260](https://doi.org/10.1063/1.3467260)
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Matsuo M, Takamura H, Maekawa H, Li H, Orimo S. 2009. Stabilization of lithium superionic conduction phase and enhancement of conductivity of LiBH4 by LiCl addition. Appl. Phys. Lett.. 94(8):084103. [https://doi.org/10.1063/1.3088857](https://doi.org/10.1063/1.3088857)
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Matsuo M, Remhof A, Martelli P, Caputo R, Ernst M, Miura Y, Sato T, Oguchi H, Maekawa H, Takamura H, et al. 2009. Complex Hydrides with (BH4)?and (NH2)?Anions as New Lithium Fast-Ion Conductors. J. Am. Chem. Soc.. 131(45):16389-16391. [https://doi.org/10.1021/ja907249p](https://doi.org/10.1021/ja907249p)
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- [Protein Stabilizers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/protein-stabilizers)
- [Semisolid Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/semisolid-formulation)
- [Solid Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/solid-formulation)
- [Lab Chemicals](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals)
- [Absorbents & Adsorbents](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/absorbents-and-adsorbents)
- [Acids](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/acids)
- [Caustic Alkalis & Bases](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/caustic-alkalis-and-bases)
- [Drying Agents](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/drying-agents)
- [Filter Aids & Filter Media](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/filter-aids-filter-media)
- [Indicators](https://www.sigmaaldrich.com/US/en/products/analytical-chemistry/analytical-reagents/indicators)
- [Metals](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/metals)
- [Salts](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-chemicals/salts)
- [Solvents](https://www.sigmaaldrich.com/US/en/products/analytical-chemistry/analytical-chromatography/solvents)
- [Lab Safety](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-safety)
- [Labware Detergents & Cleaners](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-safety/cleaning-detergents)
- [Safe Handling](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-safety/safe-handling)
- [Safety Accessories](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-safety/safety-accessories)
- [Spillage Absorption](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/lab-safety/spillage-absorption)
- [Stable Isotopes](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/stable-isotopes)
- [Synthesis Enabling Tools](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/synthesis-enabling-tools)
- [Automated Chemical Synthesis](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/synthesis-enabling-tools/automated-chemical-synthesis)
- [High Throughput Screening](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/synthesis-enabling-tools/high-throughput-screening-platform)
- [Photoreactors](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/synthesis-enabling-tools/photoreactors)
- [Electrosynthesis](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/synthesis-enabling-tools/electrosynthesis-platform)
- [Clinical & Diagnostics](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics)
- [Blood Typing](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/blood-typing)
- [Blood Typing Finished Reagents](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/blood-typing/blood-typing-finished-reagents)
- [Blood Typing Intermediates For Further Manufacturing Use (FFMU)](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/blood-typing/blood-typing-intermediates)
- [Cell Marque™](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/cell-marque)
- [Cell Marque™ Control Slides](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/cell-marque/cell-marque-control-slides)
- [Cell Marque™ Detection Systems & Ancillary Reagents](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/cell-marque/cell-marque-detection-systems-and-ancillary-reagents)
- [Cell Marque™ Primary Antibodies](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/cell-marque/cell-marque-ihc-antibodies)
- [Lateral Flow Membranes](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/lateral-flow-membranes)
- [ProClin™ Preservatives](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/proclin-preservatives)
- [Tissue Diagnostics](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics)
- [Bacteriology Stains](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/bacteriology-stains)
- [Cell Separation Media](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/cell-separation-media)
- [Cytology Stains](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/cytology-stains)
- [Dry Dyes & Certified Stains](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/dry-dyes-and-certified-stains)
- [FISH Probes & Reagents](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/zytovision-in-situ-hybridization-probes)
- [Hematology Stains](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/hematology-stains)
- [Histology Stains](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/histology-stains)
- [Tissue Diagnostics Universal Reagents](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/tissue-diagnostics-universal-reagents)
- [Filtration](https://www.sigmaaldrich.com/US/en/products/filtration)
- [Concentration Filters](https://www.sigmaaldrich.com/US/en/products/filtration/concentration-filters)
- [Amicon<sup>®</sup> Centrifugals](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/amicon-centrifugals)
- [Centrifugal Filters](https://www.sigmaaldrich.com/US/en/products/filtration/concentration-filters/centrifugal-filters)
- [Filter Paper](https://www.sigmaaldrich.com/US/en/products/filtration/filter-paper)
- [Filtration for Bioprocessing](https://www.sigmaaldrich.com/US/en/products/filtration/filtration-for-bioprocessing)
- [Buffer Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/buffer-filtration)
- [Clarification Filter Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/clarification-harvest/clarification-filter-holders-and-systems-for-bioprocessing)
- [Filter Housings](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/filter-housings)
- [Final Sterile Filtration & Filling](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/final-sterile-filtration-and-filling)
- [Gas & Vent Filters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/gas-and-vent-filters)
- [Integrity Testers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/integrity-testers)
- [Media Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/media-filtration)
- [Prefilters & Bioburden Control](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/prefilters-and-bioburden-control)
- [Sterile Filters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/sterile-filters)
- [Virus Filter Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance/virus-filter-holders-and-systems)
- [Virus Filters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance/virus-filters)
- [Laboratory Filter Holders](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-holders)
- [Laboratory Filter Membranes](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-membranes)
- [Filter Membranes](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-membranes/filter-membranes)
- [Millipore<sup>®</sup> Filter Membranes](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-membranes/millipore-filter-membranes)
- [Laboratory Syringe Filters](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-syringe-filters)
- [Syringe Filters](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-syringe-filters/syringe-filters)
- [Millex<sup>®</sup> Syringe Filters](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-syringe-filters/millex-syringe-filters)
- [MultiScreen<sup>®</sup> Filter Plates](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/multiscreen-filter-plates)
- [Sterile Laboratory Filter Devices](https://www.sigmaaldrich.com/US/en/products/filtration/sterile-laboratory-filter-devices)
- [Millipore<sup>®</sup> Sterile Filters](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/millipore-sterile-filters)
- [Stericup<sup>®</sup> Vacuum Filters](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/stericup-vacuum-filtration)
- [Vacuum Filters](https://www.sigmaaldrich.com/US/en/products/filtration/vacuum-filters)
- [Greener Alternative Products](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/greener-alternative-products)
- [Industrial Microbiology](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology)
- [Environmental Monitoring & Aseptic Process Simulation](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/viable-air-samplers)
- [Hygiene Monitoring](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/hygiene-monitoring-instruments-samplers-tests-and-accessories)
- [Microbial Culture Media](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/microbial-culture-media)
- [Microbial Culture Media Raw Materials](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/microbial-culture-media-raw-materials)
- [Microbial Filtration](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/microbial-filtration)
- [Microbial Identification Tests & Biochemical Reagents](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/microbial-identification-tests)
- [Microbiology Standards](https://www.sigmaaldrich.com/US/en/products/analytical-chemistry/reference-materials/microbiology-standards)
- [Pathogen Screening Kits, Instruments, Disposables](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/pathogen-screening-kits-instuments-and-disposables)
- [Pyrogen Testing](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/pyrogen-testing)
- [Quality Indicator Testing Devices](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/quality-indicator-testing-devices)
- [Sterility Testing Consumables, Media & Instruments](https://www.sigmaaldrich.com/US/en/products/industrial-microbiology/sterility-testing-consumables-media-and-filtration)
- [Lab Automation](https://www.sigmaaldrich.com/US/en/products/lab-automation)
- [AAW™ Automated Assay Workstation](https://www.sigmaaldrich.com/US/en/products/lab-automation/aaw-automated-assay-workstation)
- [Labware](https://www.sigmaaldrich.com/US/en/products/labware)
- [Cell Culture & Cryogenics](https://www.sigmaaldrich.com/US/en/products/labware/cell-culture-and-cryogenics)
- [Cell Culture Supplies](https://www.sigmaaldrich.com/US/en/products/labware/cell-culture-and-cryogenics/cell-culture-supplies)
- [Cryo Storage](https://www.sigmaaldrich.com/US/en/products/labware/cryo-storage)
- [Millicell<sup>®</sup> Cell Culture Inserts & Plates](https://www.sigmaaldrich.com/US/en/products/labware/cell-culture-and-cryogenics/millicell-cell-culture-inserts-and-plates)
- [Filtration](https://www.sigmaaldrich.com/US/en/products/labware/filtration)
- [Centrifugal Filters](https://www.sigmaaldrich.com/US/en/products/filtration/concentration-filters/centrifugal-filters)
- [Filter Membranes](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-membranes/filter-membranes)
- [Filter Paper](https://www.sigmaaldrich.com/US/en/products/filtration/filter-paper)
- [Laboratory Filter Holders](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-holders)
- [Syringe Filters](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-syringe-filters/syringe-filters)
- [Vacuum Filters](https://www.sigmaaldrich.com/US/en/products/filtration/vacuum-filters)
- [Amicon<sup>®</sup> Centrifugals](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/amicon-centrifugals)
- [Millex<sup>®</sup> Syringe Filters](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-syringe-filters/millex-syringe-filters)
- [Millipore<sup>®</sup> Filter Membranes](https://www.sigmaaldrich.com/US/en/products/filtration/laboratory-filter-membranes/millipore-filter-membranes)
- [Millipore<sup>®</sup> Sterile Filters](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/millipore-sterile-filters)
- [MultiScreen<sup>®</sup> Filter Plates](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/multiscreen-filter-plates)
- [Stericup<sup>®</sup> Vacuum Filters](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/stericup-vacuum-filtration)
- [Glassware](https://www.sigmaaldrich.com/US/en/products/labware/glassware)
- [Lab Equipment](https://www.sigmaaldrich.com/US/en/products/labware/laboratory-equipment)
- [Balances](https://www.sigmaaldrich.com/US/en/products/labware/laboratory-equipment/laboratory-balances)
- [Centrifugation](https://www.sigmaaldrich.com/US/en/products/labware/laboratory-equipment/laboratory-centrifugation)
- [Grinders & Homogenizers](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/grinders-and-homogenizers)
- [Laboratory Stirring & Mixing](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/laboratory-stirring-and-mixing)
- [Refrigerators & Freezers](https://www.sigmaaldrich.com/US/en/products/labware/laboratory-equipment/refrigerators-freezers)
- [Water Purification](https://www.sigmaaldrich.com/US/en/products/water-purification)
- [Labware Partners](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners)
- [Benchmark Scientific Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/benchmark-scientific)
- [Brand<sup>®</sup> Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/brand)
- [Corning<sup>®</sup> Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/corning)
- [Cytiva™ Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/cytiva)
- [DWK Products](https://www.sigmaaldrich.com/US/en/products/labware/glassware/dwk)
- [Eppendorf<sup>®</sup> Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/eppendorf)
- [Excel Scientific Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/excel-scientific)
- [Heathrow Scientific<sup>®</sup> Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/heathrow-scientific)
- [LGC Biosearch™ Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/lgc-biosearch)
- [OHAUS<sup>®</sup> Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/ohaus)
- [Pop-Bio Products](https://www.sigmaaldrich.com/US/en/products/labware/labware-partners/pop-bio)
- [Roche<sup>®</sup> Products](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/roche-life-science-products)
- [Liquid Handling & Dispensing](https://www.sigmaaldrich.com/US/en/products/labware/liquid-handling-and-dispensing)
- [Microscope Slides & Chambers](https://www.sigmaaldrich.com/US/en/products/labware/microscope-slides-and-chambers)
- [PCR Supplies & Equipment](https://www.sigmaaldrich.com/US/en/products/labware/pcr-supplies-and-equipment)
- [Plates](https://www.sigmaaldrich.com/US/en/products/labware/plates)
- [Millicell<sup>®</sup> Cell Culture Inserts & Plates](https://www.sigmaaldrich.com/US/en/products/labware/cell-culture-and-cryogenics/millicell-cell-culture-inserts-and-plates)
- [MultiScreen<sup>®</sup> Filter Plates](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/sterile-lab-media-filtration-and-cultureware/multiscreen-filter-plates)
- [MultiScreen<sup>®</sup> Solid Bottom Plates](https://www.sigmaaldrich.com/US/en/products/labware/plates/multiscreen-solid-bottom-plates)
- [Sample Handling](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling)
- [Grinders & Homogenizers](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/grinders-and-homogenizers)
- [Laboratory Containers & Storage](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/laboratory-containers-and-storage)
- [Laboratory Labels](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/laboratory-labels)
- [Laboratory Sample Collection](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/laboratory-sample-collection)
- [Laboratory Stirring & Mixing](https://www.sigmaaldrich.com/US/en/products/labware/sample-handling/laboratory-stirring-and-mixing)
- [Sealing Films, Foils, Tapes](https://www.sigmaaldrich.com/US/en/products/labware/sealing-films-foils-and-tapes)
- [Septa](https://www.sigmaaldrich.com/US/en/products/labware/septa)
- [Materials Science](https://www.sigmaaldrich.com/US/en/products/materials-science)
- [Biomedical Materials](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials)
- [3D Bioprinting](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials/3d-bioprinting)
- [Biomedical Polymers](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials/biomedical-polymers)
- [Drug Delivery Formulation Kits](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials/drug-delivery-formulation-kits)
- [Hydrophilic Polymers](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials/hydrophilic-polymers)
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- [Polyethylene Glycol (PEGs & PEOs)](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials/polyethylene-glycol)
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- [Polymerization Tools](https://www.sigmaaldrich.com/US/en/products/materials-science/biomedical-materials/polymerization-tools)
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- [Carbon Nanomaterials](https://www.sigmaaldrich.com/US/en/products/materials-science/electronic-materials/carbon-nanomaterials)
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- [OLED & PLED Materials](https://www.sigmaaldrich.com/US/en/products/materials-science/electronic-materials/oled-and-pled-materials)
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- [Specialty & Smart Polymers](https://www.sigmaaldrich.com/US/en/products/materials-science/electronic-materials/specialty-and-smart-polymers)
- [Substrates & Prefab Electronic Components](https://www.sigmaaldrich.com/US/en/products/materials-science/electronic-materials/substrates-and-prefab-electronic-components)
- [Energy Materials](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials)
- [Battery Materials](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/battery-materials)
- [Chalcogenides](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/chalcogenides)
- [Fuel Cell Membranes & Materials](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/fuel-cell-membranes-and-materials)
- [High-Purity Metals & Alloys](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/high-purity-metals-and-alloys)
- [High-Purity Salts](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/high-purity-salts)
- [Oxides & Ceramics](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/oxides-and-ceramics)
- [Quantum Dots](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/quantum-dots)
- [Solar Energy Materials](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/solar-energy-materials)
- [Solution & Vapor Deposition Precursors](https://www.sigmaaldrich.com/US/en/products/materials-science/energy-materials/solution-and-vapor-deposition-precursors)
- [Molecular Biology & Functional Genomics](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics)
- [Cloning & Expression](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/cloning-and-expression)
- [Molecular Cloning & Protein Expression](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/cloning-and-expression/molecular-cloning-and-protein-expression)
- [Transfection](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/cloning-and-expression/transfection)
- [Epigenetics](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/epigenetics)
- [Gene Editing & Functional Genomics](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/gene-editing-and-functional-genomics)
- [CRISPR & Gene Editing](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/gene-editing-and-functional-genomics/crispr-gene-editing)
- [Genetic Screening](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/gene-editing-and-functional-genomics/genetic-screening)
- [RNAi Libraries](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/gene-editing-and-functional-genomics/rnai-libraries)
- [RNAi Single Clones](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/gene-editing-and-functional-genomics/rnai-single-clones)
- [<i>In situ</i> Hybridization Probes & Reagents](https://www.sigmaaldrich.com/US/en/products/clinical-diagnostics/tissue-diagnostics/zytovision-in-situ-hybridization-probes)
- [Microbiome](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/microbiome)
- [NGS Library Preparation](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/ngs-library-prep)
- [Nucleic Acid Electrophoresis & Hybridization](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-electrophoresis-and-hybridization)
- [Nucleic Acid Electrophoresis, Transfer & Quantitation](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-electrophoresis-and-hybridization/nucleic-acid-electrophoresis-transfer-and-quantitation)
- [Nucleic Acid Labeling](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-electrophoresis-and-hybridization/nucleic-acid-labeling)
- [Nucleic Acid Purification](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-purification)
- [gDNA Purification](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-purification/gdna-purification)
- [Plasmid DNA Purification](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-purification/plasmid-dna-purification)
- [Reaction Clean-Up](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-purification/reaction-clean-up)
- [RNA Purification](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/nucleic-acid-purification/rna-purification)
- [Oligos, qPCR Probes & Peptides](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/oligos-and-qpcr-probes)
- [Custom & Predesigned DNA Oligos and qPCR Probes](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/oligos-and-qpcr-probes/custom-predesigned-dna-oligos-and-qpcr-probes)
- [Custom & Predesigned RNA Oligos, siRNA Duplexes and Controls](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/oligos-and-qpcr-probes/custom-predesigned-rna-oligos-sirna-duplexes-controls)
- [Custom Peptides](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/oligos-and-qpcr-probes/custom-peptides)
- [PCR & Amplification](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/pcr-and-amplification)
- [Kapa Biosystems PCR Reagents](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/pcr-and-amplification/kapa-biosystems-pcr-reagents)
- [PCR Reagent & Kits](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/pcr-and-amplification/pcr-reagents-and-kits)
- [PCR Supplies & Equipment](https://www.sigmaaldrich.com/US/en/products/labware/pcr-supplies-and-equipment)
- [Whole Genome Amplification](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/pcr-and-amplification/whole-genome-amplification)
- [Roche<sup>®</sup> Life Science Products](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/roche-life-science-products)
- [mAbs Development & Manufacturing](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies)
- [Antibody Drug Discovery](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery)
- [Lead Selection & Optimization](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery/lead-discovery)
- [Preclinical Development](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery/preclinical-development)
- [Target Discovery](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery/target-discovery)
- [Characterization & Quality Control](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control)
- [Aggregate Analysis](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/aggregate-analysis)
- [Intact Mass Analysis](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/intact-mass-analysis)
- [Peptide Mapping](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/peptide-mapping)
- [Post-Translational Modification](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/post-translational-modification-analysis)
- [Titer Determination](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/titer-determination)
- [Process Development, Manufacturing, Formulation & Final Fill](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing)
- [Downstream Processing (DSP)](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing/downstream-processing-mabs)
- [Formulation & Final Fill](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing/formulation-final-fill-mabs)
- [Upstream Processing (USP)](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing/upstream-processing-mabs)
- [mRNA Development & Manufacturing](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing)
- [mRNA Analytical & Quality Control](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-analytical-quality-control)
- [mRNA Development](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-development)
- [mRNA Manufacturing & Formulation](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-manufacturing-formulation)
- [mRNA Research](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-research)
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- [API Processing Chemicals](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/active-pharmaceutical-ingredients/api-processing-chemicals)
- [Folates](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/active-pharmaceutical-ingredients/folates)
- [Portfolio APIs](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/active-pharmaceutical-ingredients/portfolio-apis)
- [Bioprocessing & Formulation Raw Materials](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials)
- [Bioprocessing Liquid Cell Culture Media & Buffers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/liquid-cell-culture-media-buffers)
- [Buffers & pH Adjusters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/buffers-and-ph-adjusters)
- [Cleaning in Place](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/cleaning-in-place)
- [Detergents for Biopharma Applications](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/detergents)
- [Downstream Process & Formulation Chemicals](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/downstream-process-formulation-chemicals)
- [Endonuclease](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/endonuclease)
- [High-Quality Chemicals for mRNA Manufacturing](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/high-quality-chemicals-for-mrna-manufacturing)
- [Upstream Process Chemicals](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/upstream-process-chemicals)
- [Bioprocessing Cell Culture](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-cell-culture)
- [Bioprocessing Cell Culture Media](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-cell-culture/bioprocessing-cell-culture-media)
- [Bioprocessing Cell Lines](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-cell-culture/bioprocessing-cell-lines)
- [Bioprocessing Liquid Cell Culture Media & Buffers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-formulation-raw-materials/liquid-cell-culture-media-buffers)
- [Bioprocessing Recombinant Supplements](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-cell-culture/recombinant-supplements)
- [Bulk Powder Transfer Bags](https://www.sigmaaldrich.com/US/en/services/custom-products/bulk-powder-transfer-bags)
- [Cell Retention](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-cell-culture/cell-retention)
- [Custom GMP Cell Culture Media](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-gmp-cell-culture-products)
- [Media Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/media-filtration)
- [Viral Vector Upstream Platforms](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-cell-culture/viral-vector-upstream-platforms)
- [Bioprocessing Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/bioprocessing-systems)
- [Chromatography Columns for Bioprocessing](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/chromatography-columns)
- [Chromatography Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/chromatography-systems)
- [Clarification Filter Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/clarification-harvest/clarification-filter-holders-and-systems-for-bioprocessing)
- [Integrity Testers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/integrity-testers)
- [Single-Use Mixers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/single-use-mixers)
- [Stainless Steel Connectors, Valves & Mixers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/fluid-management/stainless-steel-connectors-valves-mixers)
- [Tangential Flow Filtration Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/ultrafiltration-diafiltration/tangential-flow-holders-systems)
- [Virus Filter Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance/virus-filter-holders-and-systems)
- [Buffer & Media Prep](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep)
- [Buffers & pH Adjusters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/buffers-and-ph-adjusters)
- [Buffer Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/buffer-filtration)
- [Media Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/media-filtration)
- [Single-Use Mixers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/single-use-mixers)
- [Chromatography](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing)
- [Affinity Chromatography Resins](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/affinity-resins)
- [Chromatography Columns for Bioprocessing](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/chromatography-columns)
- [Chromatography Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/chromatography-systems)
- [Ion Exchange Chromatography Resins](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/ion-exchange-chromatography)
- [Membrane Chromatography](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/membrane-chromatography)
- [Reverse Phase/Normal Phase Chromatography Resins](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/reverse-normal-phase-chromatography)
- [Size Exclusion Chromatography Resins](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/chromatography-bioprocessing/size-exclusion-chromatography)
- [Clarification & Harvest](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/clarification-harvest)
- [Clarification Depth Filters & Pretreatment Solutions](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/clarification-harvest/clarification-depth-filters-pretreatment-solutions)
- [Clarification Filter Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/clarification-harvest/clarification-filter-holders-and-systems-for-bioprocessing)
- [Clarification Prefilters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/clarification-harvest/clarification-prefilters)
- [Fluid Management](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/fluid-management)
- [Connection/Disconnection for Bioprocessing](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/fluid-management/connection-disconnection-for-bioprocessing)
- [Fluid Transport & Storage](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/fluid-management/fluid-transport-and-storage)
- [Single-Use Assemblies](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/fluid-management/single-use-assemblies)
- [Single-Use Mixers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/single-use-mixers)
- [Stainless Steel Connectors, Valves & Mixers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/fluid-management/stainless-steel-connectors-valves-mixers)
- [Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation)
- [Activated & Functionalized PEGs](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/activated-functionalized-pegs)
- [Biomolecule Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/biomolecule-formulation)
- [Granulated Materials](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/granulated-materials)
- [Injectables & Parenteral Formulations](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/injectables-parenteral-formulations)
- [Liquid Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/liquid-formulation)
- [Protein Stabilizers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/protein-stabilizers)
- [Semisolid Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/semisolid-formulation)
- [Solid Formulation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/solid-formulation)
- [Synthetic Lipids](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/synthetic-lipids)
- [Viscosity Reduction Platform](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/formulation/viscosity-reduction-platform)
- [Sterile & Aseptic Sampling Solutions](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-and-aseptic-sampling)
- [Sterile Process Sampling](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-and-aseptic-sampling/manual-sterile-sampling)
- [Sampling with MAST<sup>®</sup> Autosampling Solution](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-and-aseptic-sampling/automated-aseptic-sampling)
- [Sterile Filtration & Bioburden Control](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control)
- [Buffer Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/buffer-filtration)
- [Filter Housings](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/filter-housings)
- [Final Sterile Filtration & Filling](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/final-sterile-filtration-and-filling)
- [Gas & Vent Filters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/gas-and-vent-filters)
- [Integrity Testers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/integrity-testers)
- [Media Filtration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/buffer-media-prep/media-filtration)
- [Prefilters & Bioburden Control](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/prefilters-and-bioburden-control)
- [Sterile Filters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/sterile-filters)
- [Ultrafiltration & Diafiltration](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/ultrafiltration-diafiltration)
- [Tangential Flow Filtration Devices](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/ultrafiltration-diafiltration/filtration-devices)
- [Tangential Flow Filtration Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/ultrafiltration-diafiltration/tangential-flow-holders-systems)
- [Viral Clearance](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance)
- [Integrity Testers](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/sterile-filtration-and-bioburden-control/integrity-testers)
- [Virus Filter Holders & Systems](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance/virus-filter-holders-and-systems)
- [Virus Filters](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance/virus-filters)
- [Virus Inactivation](https://www.sigmaaldrich.com/US/en/products/pharma-and-biopharma-manufacturing/viral-clearance/virus-inactivation)
- [Protein Biology](https://www.sigmaaldrich.com/US/en/products/protein-biology)
- [Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies)
- [Enhanced Validation Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/enhanced-validation-ab)
- [Flow Cytometry Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/flow-cytometry-antibodies)
- [Prestige Antibodies<sup>®</sup>](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/prestige-antibodies)
- [Primary Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/primary-antibodies)
- [Secondary Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/secondary-antibodies)
- [Small Pack Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/small-pack-antibodies)
- [ZooMAb<sup>®</sup> Recombinant Antibodies](https://www.sigmaaldrich.com/US/en/products/protein-biology/antibodies/zoomab-antibodies)
- [Bioactive Small Molecules](https://www.sigmaaldrich.com/US/en/products/protein-biology/bioactive-small-molecules)
- [Structural Genomics Consortium](https://www.sigmaaldrich.com/US/en/products/protein-biology/bioactive-small-molecules/structural-genomics-consortium)
- [Duolink<sup>®</sup> PLA - Protein Interaction Technology](https://www.sigmaaldrich.com/US/en/products/protein-biology/duolink-proximity-ligation-assay)
- [Immunoassay Platform Solutions](https://www.sigmaaldrich.com/US/en/products/protein-biology/immunoassay-platform-solutions)
- [ELISA Kits](https://www.sigmaaldrich.com/US/en/products/protein-biology/immunoassay-platform-solutions/elisa-kits)
- [MILLIPLEX<sup>®</sup> Kits](https://www.sigmaaldrich.com/US/en/products/protein-biology/immunoassay-platform-solutions/milliplex-multiplex-assays-for-luminex-technology)
- [SMC<sup>™</sup> Technology](https://www.sigmaaldrich.com/US/en/products/protein-biology/immunoassay-platform-solutions/single-molecule-counting-technology)
- [Protein Electrophoresis & Western Blotting](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting)
- [Electrophoresis & Transfer Equipment](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/electrophoresis-and-transfer-equipment)
- [Transfer Membranes & Kits](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/transfer-membranes-and-kits)
- [Immunodetection Reagents & Substrates](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/immunodetection-reagents-and-substrates)
- [Membrane Immunodetection Devices](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/membrane-immunodetection-devices)
- [Protein Electrophoresis Gels & Buffers](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/protein-electrophoresis-gels-and-buffers)
- [Protein Electrophoresis Gel Stains](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/protein-electrophoresis-gel-stains)
- [Protein Markers](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/protein-markers)
- [Transfer Buffers & Reagents](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-electrophoresis-and-western-blotting/transfer-buffers-and-reagents)
- [Proteins & Enzymes](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes)
- [Albumins & Transport Proteins](https://www.sigmaaldrich.com/US/en/products/cell-culture-and-analysis/cell-culture-supplements-and-reagents/albumins-and-transport-proteins)
- [Coenzymes](https://www.sigmaaldrich.com/US/en/products/chemistry-and-biochemicals/biochemicals/coenzymes)
- [Detection Substrates & Enzymes](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes/detection-substrates-and-enzymes)
- [Drug Analysis Enzymes](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes/drug-analysis-enzymes)
- [Glycobiology Profiling Tools](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes/glycosidases)
- [Nucleases](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes/nucleases)
- [Proteases](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes/proteases)
- [Tissue Dissociation](https://www.sigmaaldrich.com/US/en/products/protein-biology/proteins-and-enzymes/tissue-dissociation)
- [Protein Mass Spectrometry](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-mass-spectrometry)
- [Protein Purification Chromatography](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-purification-chromatography)
- [Antibody Protein Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/antibody-protein-purification)
- [Biotinylated Protein Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/biotinylated-protein-purification)
- [FLAG<sup>®</sup> Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/flag-purification)
- [Recombinant/Fusion Tag Protein Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/recombinant-fusion-tag-protein-purification)
- [Protein Sample Prep](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep)
- [Amicon<sup>®</sup> Centrifugals](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/amicon-centrifugals)
- [Antibody Protein Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/antibody-protein-purification)
- [Biotinylated Protein Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/biotinylated-protein-purification)
- [FLAG<sup>®</sup> Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/flag-purification)
- [Inhibitor Cocktails](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/inhibitor-cocktails)
- [Laboratory Concentration Devices](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/laboratory-concentration-devices)
- [Laboratory Dialysis & Diafiltration Devices](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/laboratory-dialysis-and-diafiltration-devices)
- [Recombinant/Fusion Tag Protein Purification](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/recombinant-fusion-tag-protein-purification)
- [Subcellular Fractionation Reagents](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/subcellular-fractionation-reagents)
- [Whole Cell Lysis Reagents & Enhancers](https://www.sigmaaldrich.com/US/en/products/protein-biology/protein-sample-prep/whole-cell-lysis-reagents-and-enhancers)
- [Water Purification](https://www.sigmaaldrich.com/US/en/products/water-purification)
- [Milli-Q<sup>®</sup> Benchtop Water Purification Systems](https://www.sigmaaldrich.com/US/en/products/water-purification/milli-q-benchtop-water-purification-systems)
- [Milli-Q<sup>®</sup> High-Flow Water Purification Systems](https://www.sigmaaldrich.com/US/en/products/water-purification/milli-q-high-flow-water-purification-systems)
- [Milli-Q<sup>®</sup> Clinical Water Purification Systems](https://www.sigmaaldrich.com/US/en/products/water-purification/milli-q-clinical-water-purification-systems)
- [Milli-Q<sup>®</sup> Consumables](https://www.sigmaaldrich.com/US/en/products/water-purification/milli-q-consumables)
- [Milli-Q<sup>®</sup> Accessories](https://www.sigmaaldrich.com/US/en/products/water-purification/milli-q-accessories)
- Applications
- [Analytical Chemistry](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry)
- [Atomic Spectroscopy](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/atomic-spectroscopy)
- [Calibration, Qualification, Validation](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/calibration-qualification-and-validation)
- [Gas Chromatography (GC)](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/gas-chromatography)
- [Liquid Chromatography](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/liquid-chromatography)
- [Large Molecule HPLC](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/liquid-chromatography/large-molecule-hplc)
- [Low Pressure Liquid Chromatography](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/liquid-chromatography/low-pressure-liquid-chromatography)
- [Small Molecule HPLC](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/liquid-chromatography/small-molecule-hplc)
- [Mass Spectrometry (MS)](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/mass-spectrometry)
- [Nuclear Magnetic Resonance (NMR)](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/nuclear-magnetic-resonance)
- [Photometry & Reflectometry](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/photometry-and-reflectometry)
- [Sample Preparation](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/sample-preparation)
- [Sample Filtration](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/sample-preparation/filtration)
- [Sample Purification](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/sample-preparation/purification)
- [QuEChERS Sample Preparation](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/sample-preparation/quechers)
- [Solid Phase Extraction](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/sample-preparation/solid-phase-extraction)
- [Solid Phase Microextraction](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/sample-preparation/solid-phase-microextraction)
- [Thin Layer Chromatography (TLC)](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/thin-layer-chromatography)
- [Titration & Karl Fischer](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/titration-and-karl-fischer)
- [Water for Analytical Chemistry](https://www.sigmaaldrich.com/US/en/applications/water-purification/water-analytical-chemistry)
- [Wet Chemical Analysis](https://www.sigmaaldrich.com/US/en/applications/analytical-chemistry/wet-chemical-analysis)
- [Cell Culture & Analysis](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis)
- [Cell Analysis](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-analysis)
- [Cell-based Assays](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-analysis/cell-based-assays)
- [Cell Counting & Health analysis](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-analysis/cell-counting-and-health-analysis)
- [Imaging Analysis & Live Cell Imaging](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-analysis/imaging-analysis-and-live-cell-imaging)
- [Cell Culture by Cell Type](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-cell-type)
- [Mammalian Cell Culture](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-cell-type/mammalian-cell-culture)
- [Microbial Cell Culture](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-cell-type/microbial-cell-culture)
- [Plant Tissue Culture](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-cell-type/plant-tissue-culture)
- [Primary Cell Culture](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-cell-type/primary-cell-culture)
- [Stem Cell Culture](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-cell-type/stem-cell-culture)
- [Cell Culture by Technique](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-technique)
- [3D Cell Culture](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-technique/3d-cell-culture)
- [Cell Culture Media Preparation](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-technique/cell-culture-media-preparation)
- [Cell Growth & Maintenance](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-technique/cell-growth-and-maintenance)
- [Transfection & Gene Editing](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-by-technique/transfection-and-gene-editing)
- [Cell Culture for Manufacturing](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-for-manufacturing)
- [Cell Culture Troubleshooting](https://www.sigmaaldrich.com/US/en/applications/cell-culture-and-cell-culture-analysis/cell-culture-troubleshooting)
- [Chemistry & Synthesis](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis)
- [ADC & Bioconjugation](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/adc-and-bioconjugation)
- [Lead Discovery](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/lead-discovery)
- [Peptide Synthesis](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/peptide-synthesis)
- [Protein Degradation](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/protein-degradation)
- [Reaction Design & Optimization](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/reaction-design-and-optimization)
- [Synthetic Methods](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods)
- [C-H Functionalization](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods/ch-functionalization)
- [Cross Coupling](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods/cross-coupling)
- [Fluorination](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods/fluorination)
- [Metathesis](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods/metathesis)
- [Organic Reaction Toolbox](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods/organic-reaction-toolbox)
- [Photocatalysis](https://www.sigmaaldrich.com/US/en/applications/chemistry-and-synthesis/synthetic-methods/photocatalysis)
- [Clinical & Diagnostics](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing)
- [Bacteriology](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/bacteriology)
- [Blood Typing](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/blood-typing)
- [Clinical & Forensics Testing](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/clinical-and-forensic-testing)
- [Cytology & Cytodiagnosis](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/cytology-and-microscopy)
- [Diagnostic Immunohistochemistry](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/diagnostic-immunohistochemistry)
- [Hematology](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/hematology)
- [Histology/Histopathology](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/histology)
- [IVD Manufacturing](https://www.sigmaaldrich.com/US/en/applications/clinical-testing-and-diagnostics-manufacturing/ivd-manufacturing)
- [Water for Clinical Diagnostics](https://www.sigmaaldrich.com/US/en/applications/water-purification/water-clinical-diagnostics)
- [Environmental & Cannabis Testing](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene)
- [Air Sampling & Monitoring](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/air-testing)
- [Cannabis Testing](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/cannabis-testing)
- [Cannabinoids & Potency](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/cannabis-testing/cannabinoid-profiling-potency-testing)
- [Pesticides & Mycotoxins](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/cannabis-testing/pesticides-mycotoxins-in-cannabis)
- [Terpenes](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/cannabis-testing/terpenes-cannabis)
- [Drinking Water Testing](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/drinking-water-testing)
- [Soil, Solid Waste, & Groundwater Testing](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/soil-solid-waste-groundwater-testing)
- [Waste Water & Process Water Testing](https://www.sigmaaldrich.com/US/en/applications/environmental-testing-and-industrial-hygiene/waste-water-and-process-water-testing)
- [Food & Beverage Testing & Manufacturing](https://www.sigmaaldrich.com/US/en/applications/food-and-beverage-testing-and-manufacturing)
- [Chemical Analysis](https://www.sigmaaldrich.com/US/en/applications/food-and-beverage-testing-and-manufacturing/chemical-analysis-for-food-and-beverage)
- [Flavor & Fragrance Formulation](https://www.sigmaaldrich.com/US/en/applications/food-and-beverage-testing-and-manufacturing/flavor-and-fragrance-formulation)
- [Microbiological Analysis](https://www.sigmaaldrich.com/US/en/applications/food-and-beverage-testing-and-manufacturing/microbiological-analysis-for-food-and-beverage)
- [Regulatory Compliance](https://www.sigmaaldrich.com/US/en/applications/food-and-beverage-testing-and-manufacturing/regulatory-compliance-for-food-and-beverage)
- [Genomics](https://www.sigmaaldrich.com/US/en/applications/genomics)
- [Advanced Gene Editing](https://www.sigmaaldrich.com/US/en/applications/genomics/advanced-gene-editing)
- [Cloning & Expression](https://www.sigmaaldrich.com/US/en/applications/genomics/cloning-and-expression)
- [DNA & RNA Purification](https://www.sigmaaldrich.com/US/en/applications/genomics/dna-and-rna-purification)
- [Epigenetics](https://www.sigmaaldrich.com/US/en/applications/genomics/epigenetics)
- [Functional Genomics Screening](https://www.sigmaaldrich.com/US/en/applications/genomics/functional-genomics-screening)
- [Gene Expression & Silencing](https://www.sigmaaldrich.com/US/en/applications/genomics/gene-expression-and-silencing)
- [Next Gen Sequencing](https://www.sigmaaldrich.com/US/en/applications/genomics/next-gen-sequencing)
- [Nucleic Acid Gel Electrophoresis](https://www.sigmaaldrich.com/US/en/applications/genomics/nucleic-acid-gel-electrophoresis)
- [Nucleic Acid Labeling & Detection](https://www.sigmaaldrich.com/US/en/applications/genomics/nucleic-acid-labeling-and-detection)
- [PCR](https://www.sigmaaldrich.com/US/en/applications/genomics/pcr)
- [qPCR](https://www.sigmaaldrich.com/US/en/applications/genomics/qpcr)
- [Sequencing](https://www.sigmaaldrich.com/US/en/applications/genomics/sequencing)
- [Materials Science & Engineering](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering)
- [3D Bioprinting](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/3d-bioprinting)
- [3D Printing](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/3d-printing)
- [Batteries, Supercapacitors, Fuel Cells](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/batteries-supercapacitors-and-fuel-cells)
- [Bioelectronics](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/bioelectronics)
- [Biosensors & Bioimaging](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/biosensors-and-bioimaging)
- [Chemical Vapor Deposition](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/chemical-vapor-deposition)
- [Contact Lens & Dental Manufacturing](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/contact-lens-and-dental-manufacturing)
- [Drug Delivery](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/drug-delivery)
- [Electron Microscopy](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/electron-microscopy)
- [Microelectronics & Nanoelectronics](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/microelectronics-and-nanoelectronics)
- [Nanoparticle & Microparticle Synthesis](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/nanoparticle-and-microparticle-synthesis)
- [Organic Electronics](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/organic-electronics)
- [Photovoltaics & Solar Cells](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/photovoltaics-and-solar-cells)
- [Polymer Synthesis](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/polymer-synthesis)
- [Solid State Synthesis](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/solid-state-synthesis)
- [Tissue Engineering](https://www.sigmaaldrich.com/US/en/applications/materials-science-and-engineering/tissue-engineering)
- [Microbiological Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing)
- [Bioburden Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/bioburden-testing)
- [Culture Media Preparation](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/microbial-culture-media-preparation)
- [Media Fill (APS)](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/media-fills)
- [Microbial Water Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/microbial-water-testing)
- [Mycoplasma Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/mycoplasma-testing)
- [Pathogen & Spoilage Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/pathogen-and-spoilage-testing)
- [Pyrogen Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/pyrogen-testing)
- [Sterility Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/sterility-testing)
- [Surface & Personnel Testing](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/surface-and-personnel-testing)
- [Viable Air Monitoring](https://www.sigmaaldrich.com/US/en/applications/microbiological-testing/viable-air-monitoring)
- [mAbs Development & Manufacturing](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies)
- [Antibody Drug Discovery](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery)
- [Lead Selection & Optimization](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery/lead-discovery)
- [Preclinical Development](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery/preclinical-development)
- [Target Discovery](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/antibody-drug-discovery/target-discovery)
- [Characterization & Quality Control](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control)
- [Aggregate Analysis](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/aggregate-analysis)
- [Intact Mass Analysis](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/intact-mass-analysis)
- [Peptide Mapping](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/peptide-mapping)
- [Post-Translational Modification](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/post-translational-modification-analysis)
- [Titer Determination](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/characterization-and-quality-control/titer-determination)
- [Process Development, Manufacturing, Formulation & Final Fill](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing)
- [Downstream Processing (DSP)](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing/downstream-processing-mabs)
- [Formulation & Final Fill](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing/formulation-final-fill-mabs)
- [Upstream Processing (USP)](https://www.sigmaaldrich.com/US/en/integrated-offerings/monoclonal-antibodies/process-development-manufacturing/upstream-processing-mabs)
- [mRNA Development & Manufacturing](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing)
- [mRNA Analytical & Quality Control](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-analytical-quality-control)
- [mRNA Development](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-development)
- [mRNA Manufacturing & Formulation](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-manufacturing-formulation)
- [mRNA Research](https://www.sigmaaldrich.com/US/en/integrated-offerings/mrna-development-manufacturing/mrna-research)
- [Pharma & Biopharma Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing)
- [Antibody Drug Conjugate Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/adc-manufacturing)
- [Conjugation](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/adc-manufacturing/conjugation)
- [Purification](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/adc-manufacturing/antibody-drug-conjugate-manufacturing-purification)
- [Biopharma 4.0](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0)
- [Bioprocessing Automation & Control Software](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/bioprocessing-automation-control-software)
- [Bioprocessing Data Analytics Software](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/bioprocessing-data-analytics-software)
- [Closed Processing for Biomanufacturing](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/closed-processing-for-biomanufacturing)
- [Intensified & Continuous Upstream (USP) Processing](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/intensified-upstream-processing)
- [Intensified & Continuous Downstream (DSP) Processing](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/intensified-continuous-downstream-processing)
- [Process Analytical Technology (PAT)](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/process-analytical-technology)
- [Biotech Resource Hub](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub)
- [Discovery](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub/discovery)
- [Pre-clinical](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub/pre-clinical)
- [Phase I-II](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub/phase-i-ii)
- [Phase III and Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub/phase-iii-and-manufacturing)
- [Regulatory](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub/regulatory)
- [Startup Programs](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/biotech-resource-hub/startup-programs)
- [Blood Plasma Fractionation](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/plasma-manufacturing)
- [Cell Therapy Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/cell-therapy-manufacturing)
- [Classical Pharma Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/classical-pharma-manufacturing)
- [Final Fill Strategies](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/classical-pharma-manufacturing/final-fill-strategies)
- [Liquid Formulation Strategies](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/classical-pharma-manufacturing/liquid-formulation-strategies)
- [Solid Formulation Strategies](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/classical-pharma-manufacturing/solid-formulation-strategies)
- [Sterile Filtration Strategies](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/classical-pharma-manufacturing/sterile-filtration-strategies)
- [Gene Therapy Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/gene-therapy-manufacturing)
- [Viral Vector Upstream Processing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/gene-therapy-manufacturing/viral-vector-upstream-processing)
- [Viral Vector Downstream Processing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/gene-therapy-manufacturing/viral-vector-downstream-processing)
- [Viral Vector Formulation & Final Fill](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/gene-therapy-manufacturing/viral-vector-formulation-and-final-fill)
- [Viral Vector Characterization & Biosafety Testing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/gene-therapy-manufacturing/viral-vector-characterization-and-biosafety-testing)
- [Viral Vector Contract Development & Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/gene-therapy-manufacturing/viral-vector-contract-development-and-manufacturing)
- [Pharma Analysis & QC](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/pharmaceutical-analysis-quality-control)
- [Biologics & Biosimilars Characterization](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/pharmaceutical-analysis-quality-control/biologics-biosimilars-characterization)
- [Compendial Testing & Regulatory Guidance](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/pharmaceutical-analysis-quality-control/compendial-testing-regulatory-guidance)
- [Small Molecules Analysis & Quality Control (QC)](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/pharmaceutical-analysis-quality-control/small-molecules-analysis-quality-control)
- [Sterile & Aseptic Sampling](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/sampling)
- [Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing)
- [Cell-Based Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing/cell-based-vaccine-manufacturing)
- [mRNA Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing/mrna-vaccines-process-manufacturing)
- [pDNA Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing/plasmid-dna-vaccines-manufacturing)
- [Protein Subunit Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing/protein-subunit-vaccine-manufacturing)
- [Viral-like Particles Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing/viral-like-particles-vaccine-manufacturing)
- [Viral Vector Vaccine Manufacturing](https://www.sigmaaldrich.com/US/en/applications/pharmaceutical-and-biopharmaceutical-manufacturing/vaccine-manufacturing/viral-vector-vaccine-manufacturing)
- [Protein Biology](https://www.sigmaaldrich.com/US/en/applications/protein-biology)
- [ELISA](https://www.sigmaaldrich.com/US/en/applications/protein-biology/elisa)
- [Enzyme Activity Assays](https://www.sigmaaldrich.com/US/en/applications/protein-biology/enzyme-activity-assays)
- [Flow Cytometry](https://www.sigmaaldrich.com/US/en/applications/protein-biology/flow-cytometry)
- [Gel Electrophoresis](https://www.sigmaaldrich.com/US/en/applications/protein-biology/gel-electrophoresis)
- [Immunohistochemistry](https://www.sigmaaldrich.com/US/en/applications/protein-biology/immunohistochemistry)
- [Interrogation of Protein Pathways](https://www.sigmaaldrich.com/US/en/applications/protein-biology/interrogation-protein-pathways)
- [Lysis & Protein Extraction](https://www.sigmaaldrich.com/US/en/applications/protein-biology/lysis-and-protein-extraction)
- [Protein & Nucleic Acid Interactions](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-and-nucleic-acid-interactions)
- [Protein Concentration & Buffer Exchange](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-concentration-and-buffer-exchange)
- [Protein Expression](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-expression)
- [Protein Labeling & Modification](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-labeling-and-modification)
- [Protein Pulldown](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-pulldown)
- [Protein Purification](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-purification)
- [Protein Quantitation](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-quantitation)
- [Protein Structural Analysis](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-structural-analysis)
- [Western Blotting](https://www.sigmaaldrich.com/US/en/applications/protein-biology/western-blotting)
- [Protein Mass Spectrometry](https://www.sigmaaldrich.com/US/en/applications/protein-biology/protein-mass-spectrometry)
- [Research & Disease Areas](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas)
- [Cancer Research](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/cancer-research)
- [Cell & Developmental Biology Research](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/cell-and-developmental-biology-research)
- [Cell Signaling](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/cell-signaling)
- [Glycobiology](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/glycobiology)
- [Metabolomics Research](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/metabolomics-research)
- [Neuroscience Research](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/neuroscience-research)
- [Pharmacology & Drug Discovery Research](https://www.sigmaaldrich.com/US/en/applications/research-disease-areas/pharmacology-and-drug-discovery-research)
- [Water Purification](https://www.sigmaaldrich.com/US/en/applications/water-purification)
- [Water for Analytical Chemistry](https://www.sigmaaldrich.com/US/en/applications/water-purification/water-analytical-chemistry)
- [Water for Cell & Molecular Biology](https://www.sigmaaldrich.com/US/en/applications/water-purification/water-cell-molecular-biology)
- [Water for Clinical Diagnostics](https://www.sigmaaldrich.com/US/en/applications/water-purification/water-clinical-diagnostics)
- [Understanding Lab Water](https://www.sigmaaldrich.com/US/en/applications/water-purification/understanding-lab-water)
- Services
- [Contract Manufacturing](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing)
- [ADC & Bioconjugation](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/adc-bioconjugation)
- [Diagnostic OEM & CMO Services](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing/diagnostic-oem-cmo)
- [mRNA & LNP](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/mrna-and-lnp-formulation-ctdmo-services)
- [Lipids CDMO Services](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/mrna-and-lnp-formulation-ctdmo-services/lipids-cdmo-services)
- [Lipid Nanoparticle CDMO Service](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/mrna-and-lnp-formulation-ctdmo-services/lipid-nanoparticle-cdmo-services)
- [Small Molecule](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/small-molecule)
- [Activated Polyethylene Glycol (PEGs)](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/peg)
- [APIs](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/complex-apis)
- [Highly Potent APIs](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/high-potent-apis)
- [Viral Vector](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/viral-vector-manufacturing)
- [AAV Production](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/viral-vector-manufacturing/aav-production)
- [Gene Therapy Process Development](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/viral-vector-manufacturing/gene-therapy-process-development)
- [Lentiviral Vectors](https://www.sigmaaldrich.com/US/en/services/contract-manufacturing/viral-vector-manufacturing/lentiviral-vectors)
- [Contract Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing)
- [Analytical Development](https://www.sigmaaldrich.com/US/en/services/contract-testing/analytical-development-product-characterization)
- [ADC Product Characterization](https://www.sigmaaldrich.com/US/en/services/contract-testing/analytical-development-product-characterization/adc-characterization)
- [Analytical Development and Characterization for Adeno-Associated Virus (AAV)](https://www.sigmaaldrich.com/US/en/services/contract-testing/analytical-development-product-characterization/analytical-development-characterization-adeno-associated-virus)
- [mAb Product Characterization](https://www.sigmaaldrich.com/US/en/services/contract-testing/analytical-development-product-characterization/mab-characterization)
- [mRNA Analytical Development](https://www.sigmaaldrich.com/US/en/services/contract-testing/analytical-development-product-characterization/mrna-analytical-development)
- [Bulk Harvest Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/bulk-harvest-release-testing)
- [Cell & Gene Therapy Bulk Harvest Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/bulk-harvest-release-testing/cell-gene-therapy)
- [mAbs Bulk Harvest Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/bulk-harvest-release-testing/mabs-bulk)
- [Vaccine Harvest Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/bulk-harvest-release-testing/vaccine)
- [Cell & Virus Bank Manufacturing & Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/cell-viral-bank-testing)
- [Biorepository & Storage](https://www.sigmaaldrich.com/US/en/services/contract-testing/cell-viral-bank-testing/storage)
- [Cell Bank Manufacturing](https://www.sigmaaldrich.com/US/en/services/contract-testing/cell-viral-bank-testing/cell-bank-manufacturing)
- [Cell Line Characterization](https://www.sigmaaldrich.com/US/en/services/contract-testing/cell-viral-bank-testing/cell-line-characterization)
- [Genetic Stability Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/cell-viral-bank-testing/genetic-stability-testing)
- [Virus Bank Manufacturing](https://www.sigmaaldrich.com/US/en/services/contract-testing/cell-viral-bank-testing/virus-bank-manufacturing)
- [Final Product Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/final-product-release-testing)
- [Cell & Gene Therapy Final Product Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/final-product-release-testing/cell-gene-therapy)
- [mAbs Final Product Release Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/final-product-release-testing/mabs-product-release-testing)
- [Rapid Molecular Detection](https://www.sigmaaldrich.com/US/en/services/contract-testing/rapid-molecular-detection)
- [Blazar™ Rapid Molecular Detection](https://www.sigmaaldrich.com/US/en/services/contract-testing/rapid-molecular-detection/blazar-rapid-molecular-detection)
- [Next Generation Sequencing](https://www.sigmaaldrich.com/US/en/services/contract-testing/rapid-molecular-detection/next-generation-sequencing)
- [Raw Material Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/raw-material-testing)
- [Stability Testing Services](https://www.sigmaaldrich.com/US/en/services/contract-testing/stability-testing-services)
- [Viral Clearance Testing](https://www.sigmaaldrich.com/US/en/services/contract-testing/viral-clearance-testing)
- [Provise<sup>®</sup> Clearance Services](https://www.sigmaaldrich.com/US/en/services/contract-testing/viral-clearance-testing/complete-clearance)
- [Standard & Hybrid Clearance Services](https://www.sigmaaldrich.com/US/en/services/contract-testing/viral-clearance-testing/standard-clearance)
- [Custom Products](https://www.sigmaaldrich.com/US/en/services/custom-products)
- [Bulk Powder Transfer Bags](https://www.sigmaaldrich.com/US/en/services/custom-products/bulk-powder-transfer-bags)
- [CADI: Custom Assay Development & Innovation](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-milliplex-multiplex-assays-and-elisas)
- [Cell Culture Media Stability & Testing Services](https://www.sigmaaldrich.com/US/en/services/custom-products/cell-culture-media-stability-and-testing-services)
- [Cell Design Studio™ Cell Engineering Services](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-cell-lines)
- [CHOZN<sup>®</sup> Cell Line Engineering and Development](https://www.sigmaaldrich.com/US/en/services/custom-products/chozn-cell-line-engineering-and-development)
- [Contract ZooMAb<sup>®</sup> Antibody Development Services](https://www.sigmaaldrich.com/US/en/services/custom-products/contract-zoomab-antibody-development-services)
- [Critical Raw Materials](https://www.sigmaaldrich.com/US/en/services/custom-products/critical-raw-materials)
- [Custom Diagnostic Antibody Development & Manufacturing Services](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing/custom-diagnostic-antibody-development-and-manufacturing-services)
- [Custom GC Columns](https://www.sigmaaldrich.com/US/en/services/custom-products/customized-gc-columns)
- [Custom GMP Cell Culture Media](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-gmp-cell-culture-products)
- [Custom HPLC Columns](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-hplc-column-request)
- [Custom Media Development Services](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-media-development-services)
- [Custom Nucleic Acids](https://www.sigmaaldrich.com/US/en/products/molecular-biology-and-functional-genomics/oligos-and-qpcr-probes)
- [Custom SPE Tubes & 96-Well Plates](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-spe-tubes-and-96-well-plates)
- [Custom SPME Fibers](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-spme-fibers)
- [Custom Test Strips & Papers](https://www.sigmaaldrich.com/US/en/services/custom-products/custom-test-strips-and-papers)
- [Diagnostic OEM & CMO Services](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing/diagnostic-oem-cmo)
- [Eshmuno<sup>®</sup> Fit Custom Affinity Resin Development Services](https://www.sigmaaldrich.com/US/en/services/custom-products/eshmuno-fit-custom-affinity-resin-development-services)
- [Production-Scale Materials & Custom Services](https://www.sigmaaldrich.com/US/en/services/custom-products/bulk-and-custom-services)
- [Large-Volume Products Supply-Chain](https://www.sigmaaldrich.com/US/en/services/custom-products/bulk-and-custom-services/large-volume-products-supply-chain)
- [Scalable Manufacturing & Custom Packaging](https://www.sigmaaldrich.com/US/en/services/custom-products/bulk-and-custom-services/scalable-manufacturing-and-custom-packaging)
- [Reference Materials](https://www.sigmaaldrich.com/US/en/services/custom-products/reference-materials)
- [Small Molecule Library Design (Aldrich Market Select)](https://www.sigmaaldrich.com/US/en/services/custom-products/small-molecule-library-design)
- [Stable Isotope Custom & GMP Products](https://www.sigmaaldrich.com/US/en/services/custom-products/stable-isotope-custom-and-gmp-products)
- [Digital Solutions for Life Science](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms)
- [AIDDISON™ AI-Powered Drug Discovery Software](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/aiddison-ai-powered-drug-discovery)
- [Belysa<sup>®</sup> Immunoassay Curve Fitting Software](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/belysa-immunoassay-curve-fitting-software)
- [Bioprocessing Automation and Control Software](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/bioprocessing-automation-control-software)
- [Bioprocessing Data Analytics Software](https://www.sigmaaldrich.com/US/en/integrated-offerings/biopharma-4-0/bioprocessing-data-analytics-software)
- [Catalexis Catalysts Screening Platform](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/catalexis-catalyst-screening-platform)
- [Chemistwin<sup>®</sup> Digital Reference Materials](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/digital-reference-materials)
- [DEL Extended Digital Service](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/dna-encoded-library-technology-drug-discovery)
- [DOZN™ Tool](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/dozn-tool)
- [mConfig™ Cell Culture Media and Chemicals Configurator](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/mconfig-cell-culture-media-chemicals-configurator)
- [M-Trace<sup>®</sup> Electronic Test Record Software](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/m-trace-electronic-test-record-software)
- [Millicell<sup>®</sup> Cloud Services](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/millicell-cloud-services)
- [MQuant<sup>®</sup> StripScan](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/mquant-stripscan)
- [MyMilli-Q<sup>™</sup> Digital Services](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/mymilli-q-digital-services)
- [SYNTHIA<sup>™</sup> Retrosynthesis Software](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/synthia-retrosynthesis-software)
- [Val@M™ Application for Validation Activites](https://www.sigmaaldrich.com/US/en/services/software-and-digital-platforms/valatm-validation-platform)
- [IVD Development & Manufacturing](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing)
- [Custom Diagnostic Antibody Development & Manufacturing Services](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing/custom-diagnostic-antibody-development-and-manufacturing-services)
- [Diagnostic OEM & CMO Services](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing/diagnostic-oem-cmo)
- [Lateral Flow Assay Development Services](https://www.sigmaaldrich.com/US/en/services/ivd-development-manufacturing/lateral-flow-services)
- [Product Services](https://www.sigmaaldrich.com/US/en/services/product-services)
- [Application Services for Solid Dose Formulations](https://www.sigmaaldrich.com/US/en/services/product-services/application-services-solid-dose-formulations)
- [Calibration & Verification](https://www.sigmaaldrich.com/US/en/services/product-services/calibration-and-verification)
- [Milli-Q<sup>®</sup> Calibration & Verification](https://www.sigmaaldrich.com/US/en/services/product-services/calibration-and-verification/calibration-verification-suitability-testing-of-milli-q-water-pu)
- [Microbiology Testing Systems](https://www.sigmaaldrich.com/US/en/services/product-services/calibration-and-verification/calibration-verification-microbiology)
- [Elevate Program](https://www.sigmaaldrich.com/US/en/services/product-services/elevate-quality-program)
- [eMERGE™ Program](https://www.sigmaaldrich.com/US/en/services/product-services/the-emerge-standard-edata-exchange-platform)
- [Emprove<sup>®</sup> Program](https://www.sigmaaldrich.com/US/en/services/product-services/emprove-program)
- [Emprove<sup>®</sup> Cell Culture Media](https://www.sigmaaldrich.com/US/en/services/product-services/emprove-program/emprove-cell-culture-media)
- [Emprove<sup>®</sup> Chemicals Portfolio](https://www.sigmaaldrich.com/US/en/services/product-services/emprove-program/emprove-chemicals-portfolio)
- [Emprove<sup>®</sup> Chromatography Portfolio](https://www.sigmaaldrich.com/US/en/services/product-services/emprove-program/emprove-chromatography-portfolio)
- [Emprove<sup>®</sup> Filter and Single-Use Component Portfolio](https://www.sigmaaldrich.com/US/en/services/product-services/emprove-program/emprove-filter-and-single-use-component-portfolio)
- [Emprove<sup>®</sup> Suite](https://www.sigmaaldrich.com/US/en/services/product-services/emprove-program/emprove-suite)
- [Maintenance & Service Plans](https://www.sigmaaldrich.com/US/en/services/product-services/maintenance-and-service-plans)
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