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2555022-68-7
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Showing 1-30 of 532 results for "2555022-68-7" within Site Content
Determination of 7 Nitrosamines in Drinking Water
Nitrosamines analysis by solid phase extraction (SPE) and subsequent gas chromatography-tandem mass spectrometry (GC-MS/MS) according to GB 5750.10-2023.
Estimation of Proline in Fruit and Vegetable Juices
Spectrophotometric determination of proline by the Ninhydrin method, per EN 1141 and German Food and Feed Code §64 LFBG 31.00-7.
RNA Therapeutics & Delivery USA
Visit us at booth #7 to learn about our solutions to help you overcome your mRNA manufacturing and LNP formulation challenges.
cOmplete™, Mini, EDTA-free Protocol
Dissolve one tablet in 10 ml aqueous buffer or water. If high proteolytic activity is present, dissolve one tablet in 7 ml buffer.
Scepter™ 3.0 Cell Counter – How it Works
Scepter™ counting is 7 to 10 times faster than hemocytometry-and also faster than other automated counters. Learn more about how this amazing technology works
Enzymatic Assay of Cathepsin B
Cathepsin B is a lysosomal cysteine proteinase with broad specificity. This protocol uses Nα–CBZ–Arg–Arg–7–amido–4–methylcoumarin as the substrate for fluorometric detection of Cathepsin B activity.
Assay of Betamethasone Sodium Phosphate by HPTLC
Development of an HPTLC based method, using Silica Gel 60 F254 plate, to determine Betamethasone Sodium Phosphate over a concentration range of 1 to 7 µg/spot.
Ultrapure Water for Sensitive LC-MS Analysis of Pesticides
Pesticides analysis by LC-MS needs pesticide-free reagent water, which can be reliably delivered by Milli-Q® IQ 7 ultrapure water systems. See data.
Obtaining Ultrapure Water for Sensitive PFAS Analysis by LC-MS
Sensitive PFAS testing can be performed with ultrapure water from a Milli-Q® IQ 7 system, which eliminates detectable PFAS for reliable LC-MS/MS results. See the science, see the proof.
In Vitro Differentiation of Human PBMC and CD34+ Derived Monocytes into Mature CD83+/CD14- Dendritic Cells
Generate mature human dendritic immune cells from PBMCs or CD34+ stem cell derived monocytes in 7 days in defined and serum-free dendritic cell culture media. Explore over 350 PromoCell products.
3D Mammosphere Culture Media
3D mammosphere culture protocol used to expand human MCF-7 and MDA-MB-231 breast cancer cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.
TRC Library Citations
TRC 1.5 human and mouse shRNA libraries
Ellman's Sulfinamides
Ellman's sulfinamide is available in both enantiomeric and racemic forms for your research. This versatile and useful auxiliary has found extensive use both in academics and industry.
Advanced Materials for Magnetic Cooling
Today, near-room-temperature refrigeration is almost entirely based on a vapor-compression refrigeration cycle.
Discovery and Single Crystal Growth of Lanthanide Intermetallics—Interplay of Synthesis and Physical Properties
Solid state and materials chemistry have made a tremendous impact and have experienced growth in recent years, particularly for rare earthcontaining materials.
Detection of Campylobacter spp. and Enterobacter Sakazakii in Food with a New Test Kit System
Detection of Campylobacter spp. and Enterobacter sakazakii in food with a new test kit system.
Long and Accurate PCR Amplification of DNA (D8045)
Protocol for high fidelity amplification of long PCR fragments up to 22kb from complex DNA mixtures and up to 40kb from simple DNA mixtures. AccuTaq LA.
Clinical Application of SPME: Analysis of VOCs in Exhaled Breath as Cancer Biomarkers
This report demonstrates the potential of solid phase microextraction as a clinical research tool for the extraction of VOCs associated with lung cancer from human breath.
Organosilanols
Pd-catalyzed cross-coupling of silicon compounds offers an alternative in synthetic chemistry.
Achieving High Efficiency in Organic Light-Emitting Devices
Electroluminescence of organic molecules has been a wellknown phenomenon for more than 50 years.
Expand™ Long Template PCR System Protocol Troubleshooting
This polymerase mixture produces a high yield of PCR product from genomic DNA.
Quantum Dots: An Emerging Class of Soluble Optical Nanomaterials
We presents an article concering Quantum Dots: An Emerging Class of Soluble Optical Nanomaterials.
DNAstable® Protocol
DNAstable is a unique storage medium that preserves genomic DNA, plasmids, bacterial artificial chromosomes (BACs), PCR products and oligonucleotides at room temperature.
Amplification of DNA Using Jumpstart™ REDTaq® DNA Polymerase (D8187)
Protocol using antibody mediated hot start polymerase with a red dye for easy gel loading. Method has short activation period (<1min), and results in higher yields and more specificity over standard PCR methods.
Extract-N-Amp™ FFPE Tissue PCR Protocol
The following procedure is a modification of the Extract-N-Amp™ Tissue PCR protocol.
HPLC Method for the Separation of Nine Key Silymarin Components of Milk Thistle
Experimental steps, coupled with prediction software, provided conditions suitable for the analysis biologically active milk thistle components.
Fluorescein Isothiocyanate-Dextran
Dextran is a polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages. The remaining (163) linkages account for the branching of dextran.
Efficient dye-sensitized solar cells for direct conversion of sunlight to electricity
Dye-sensitized solar cells directly convert sunlight to electricity
GC Analysis of PBDE Flame-Retardant Compounds
GC Analysis of PBDE Flame-Retardant Compounds
Understanding and Successfully Applying Materials for Dye-Sensitized Solar Cells
While dye sensitization as the basis for color photography has been accepted for a very long time,1 attempts to use this principle for the conversion of solar light to electricity generally had resulted only in very low photocurrents, below 100
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