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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.

Separation Options with Superdex®

Superdex® from Cytiva are Size Exclusion Chromatography media consisting of a composite base matrix of dextran and agarose. This page shows how to perform a separation with a Superdex® column.

Authenticated Breast Cancer Cell Lines for Cancer Research

Choose from more than 30 breast cancer cell lines authenticated by ECACC, classified by hormone receptor-positive, HER2-positive, and triple-negative cancers, as well as by known mutations such as BRCA2.

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.

Efficient Analysis of Kava Extract: New phytochemical certified reference material mixes for ginger and kava

Learn more about our Kava CRM solution for use in quantitative and qualitative analysis of kavalactones and flavokavains in kava products to confirm their potency and authenticity.

Predesigned siRNA

Rosetta siRNA Design Algorithm optimizes siRNA sequences for reduced off-target effects and increased RNAi performance.

Lateral Flow Membranes

Discover critical membrane materials for your IVD lateral flow immunoassay development including Hi-Flow™ lateral flow membrane cards and SureWick® pad materials.

Detection and Determination of Caffeine, Taurine and Arginine in Shampoos by HPTLC

The modern thin-layer chromatography (TLC) offers advantages also in the field of cosmetics to quickly and simultaneously analyze samples with densitometric detection.

Crystallization of Biomolecules

Many soluble proteins, membrane proteins, nucleic acids and nucleoprotein complexes have been obtained in a crystalline form suitable for crystallographic investigation.

Evaluation of Different Enzymes on Hydrolysis Efficiencies of Glucuronide Drug Metabolites in Urine

β-glucuronidase (GUS) enzymes are utilized to hydrolyze glucuronide (gluc) drug metabolites to the parent drug, facilitating analysis by LC-MS/MS.

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