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Showing 1-30 of 229 results for "57294-u" within Site Content
Prestige Antibody® Immunofluorescence
Immunofluorescence Protocol details Prestige Antibodies' subcellular localization studies in A-431, U-2 OS, and U-251MG cell lines.
Improving Glycoform Coverage for Mucin Prep
Human Protein Atlas uses A-431, U-251 MG, and U-205 cell lines with Prestige Antibodies for organelle mapping.
BIOshell™ Glycan U/HPLC Columns
The BIOshell™ Glycan column is ideal for the separation and quantitation of isolated glycans using the HILIC method for accurate glycoprotein analysis.
Newly Developed Porous Graphitic Carbon in U/HPLC
Polar graphitic carbon enables UHPLC separation of highly polar pesticides, herbicides, and Vitamin D metabolites, advancing liquid chromatography capabilities.
Ascentis® Express C8 U/HPLC Columns
When a C18 doesn′t give the desired separation, or your sample contains compounds that are known to be difficult to retain or resolve on a C18, consider changing to an Ascentis® Express C8 column.
Ascentis ® Express HILIC U/HPLC Columns
For separation of polar compounds including polar neutrals, polar acids, and polar and non-polar basic amines use our Ascentis® Express HILIC column.
Ascentis® Express U/HPLC Column Selection
The Ascentis® Express Selection Guide flowchart helps guide users in the selection of a phase based on the particular compound type or separation challenge.
Supel™ Carbon LC U/HPLC Columns
Supel™ Carbon LC U/HPLC columns facilitate high-temperature and high-pressure separation of polar or charged compounds.
BIOshell™ A400 Protein C4 U/HPLC Columns
BIOshell™ A400 Protein C4 columns contain 3.4 μm particles with 400 Å pores, which are derivatized with dimethylbutyl silane and exhaustively endcapped for optimum protein recovery.
Ascentis® Express F5 (Pentafluorophenyl) U/HPLC Columns
Enhanced selectivity for stereoisomers and closely related compounds with alternate selectivity from C18 phases for basic, acidic, or neutral compounds
Ascentis® Express Phenyl Hexyl Columns for U/HPLC
Improve your reversed phase selectivity for polar aromatics and heterocyclic compounds with the Ascentis® Express Phenyl-Hexyl U/HPLC column.
The Importance of Filtration in Optimizing (U)HPLC and LC-MS Performance
Learn how filter selection and sample and mobile phase filtration impact HPLC back pressure and column lifetime.
Ascentis® Express C18 U/HPLC Columns
Ascentis® Express C18 is the first choice when starting a new separation method.
Leverage the full potential of Pharmacopeia regulated U/HPLC method adaption to increase lab effectiveness
Learn strategies to improve productivity and reduce costs in your pharmaceutical analyses with U/HPLC method adaptation.
Determination of Glyphosate, Glufosinate, and AMPA in tea
A precise U/HPLC-MS/MS method with QuEChERS extraction for the analysis of glyphosate, glufosinate, and AMPA in green tea.
FastStart™ Taq DNA Polymerase, 5 U/μL Protocol & Troubleshooting
The choice of the PCR enzyme in combination with an appropriate buffer can profoundly affect PCR outcome.
Simplified LC-MS/MS for Herbicides in Cereals
Glyphosate analysis: LC-MS/MS method with Supel™ Carbon LC U/HPLC column for stability and retention.
Faster Protein LC (FP2LC)
Larger porous shell particles in BIOshell™ columns improve efficiency in U/HPLC analysis of peptides and proteins.
Ascentis® Express Peptide ES-C18 U/HPLC Columns
Choose Ascentis® Express Peptide ES-C18 U/HPLC Columns based on Fused-Core® technology for fast and efficient separation of high-molecular weight compounds, such as peptides and small proteins. With a 2.7 µm particle size and rigorous testing, these columns offer reliable results
3D Neurosphere Culture Media
3D neurosphere culture protocol to expand human U-87 MG glioblastoma cells in serum-free/xeno-free stem cell culture media. Explore over 350 PromoCell products on Sigma.com.
Bio-compatible solid-phase microextraction (SPME) fibers
A demonstration of the use of innovative BioSPME fibers for the selective extraction of drugs and polar metbolites from biological matrices.
GC Analysis of Terpenes in Cannabis on Equity-1 after Headspace SPME
GC Analysis of Terpenes in Cannabis on Equity®-1 after Headspace SPME using 50/30 μm DVB/CAR/PDMS Fiber
Two Distinct Sample Prep Approaches to Overcome Matrix Effect in LC/MS of Serum or Plasma Samples
This article highlights the impact that sample matrix effects can have on LC/MS response and discusses two novel approaches to reduce it.
Rapid Determination of Protein Binding Affinity Using Solid Phase Microextraction
Accurate protein binding affinities were measured using bioSPME more rapidly than membrane dialysis (RED) techniques. Binding affinities correlated to the reference values.
Determination of Headspace Volatiles in Distilled Spirits Using SPME Coupled to GC
In this article, SPME-GC was successfully used to identify many volatile compounds present in the headspace over several spirits.
Determination of 2-Chloroethanol as Marker for Fumigant Ethylene Oxide in Sesame Seeds by HS-SPME-GC-MS
The work describes the development of an HS-SPME-GC-MS method to determine 2-chloroethanol as a marker of fumigant ethylene oxide in different kinds of sesame seed samples.
SupelMIP Molecularly Imprinted Polymer SPE Cartridges
SupelMIP SPE is based on molecularly imprinted polymer (MIP) technology. Each SupelMIP phase offers tailor-made selectivity for the extraction of trace analytes in complex matrixes.
HPLC Discovery HS C18
HPLC DiscoveryBIO HS C18 products. Available in 3µm, 5µm and 10µm particle sizes.
HPLC Columns for Antibody and Large Protein Analysis
BIOshell™ IgG 1000 Å C4 columns are highly suited for the reversed phase separation of high molecular weight compounds such as monoclonal antibodies with molecular weight of 150 kDa.
DiscoveryBIO Wide Pore C18
DiscoveryBIO Wide Pore C18 products offered by Sigma-Aldrich.
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