Sigma Aldrich

A straightforward, cost-effective and quick method, coupling SPE methodology with LC/MS/MS for the sensitive detection of four aflatoxin compounds in the hops complex matrix with recoveries of 97-119% at 6-25 ppb levels.

Cannabis (marijuana) has been legalized for recreational and/or medical use by 23 states, the District of Columbia, and the territory of Guam.

This method uses solid phase extraction with Supelclean EZ-POP NP and a small silica gel cartridge for additional cleanup. The resulting extract has low background and a full range of PCB congeners can be analyzed by GC/ECD.

Hydrophobic interaction chromatography (HIC), a technique commonly used for protein separation, is also used as an orthogonal method to size-exclusion and ion-exchange chromatography for the characterization of monoclonal antibodies and antibody-drug conjugates.

Over the last half of the previous century, the use of partially hydrogenated vegetable oil (PHVO) replaced the use of animal fats for baking purposes in most western countries.

Fortification of milk, dairy products, infant and adult nutritionals with vitamin D is required in many countries to provide additional dietary vitamin D.

The results obtained using an automated shaker for extraction were compared to a standard QuEChERS protocol involving manual shaking of the spinach extracts for 1 minute.

Extraction and analysis of six aminoglycosides from honey using molecularly imprinted polymer (MIP) solid phase extraction (SPE) to successfully quantitate six aminoglycosides by LC/MS/MS at 50 ng/g.

A fast method for the cleanup, analysis, and quantification of aflatoxin M1 in milk samples to EU regulatory standards (0.025 μg/kg) was developed using Supel Tox AflaZea SPE and LC/MS analysis.

Helping to Elucidate the Role of Plasma Bile Acid Signalling in Humans