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The Microlute SPE sample preparation system from Porvair Sciences provides a faster, trouble-free alternative to cartridges for high throughput sample clean-up.

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Ultra-high sensitivity, expanded flexibility, increased stability and robustness - the new Nexera X2 UHPLC system targets routine analysis and applications in highly regulated environments demanding complex system setups.

The United States Pharmacopeial Convention (USP) has added nearly 800 new records, mostly from 2011 and 2012, to its Food Fraud Database, increasing the size of the database by 60%. The original database contained 1,300 records, covering fraud reports issued between 1980 and 2010. The database compiles data taken from publicly available reports in both scholarly journals and general media, with key findings published in the Journal of Food Science (1).

Derivatization of the analytes targeted in an HPLC-ESI-MS separation can help improve detection limits.

Prehistoric cheese

Love it or hate it, cheese is everywhere in western diets, but have you ever wondered when cheese production began?

A team of scientists at the University of Regensburg (Regensburg, Germany) has discovered a microbial defence method used by emerald cockroach wasp (Ampulex compresa F.) larvae to prevent its food source, the cockroach, from putrefying.1

Man of the Masses

MS: The Practical Art Editor Kate Yu interviews Fred McLafferty about his pioneering career in mass spectrometry

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Polar lipids and other metabolites extracted from plasma from lean, diabetic, and obese Zucker rats were analyzed by flow injection using high resolution time of flight mass spectrometry. Metabolites were confidently identified and differences in the metabolite profiles determined.