The Column-02-18-2013

The Column

We Just Can't Do It!

February 18, 2013

Articles

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Incognito found a 2D LC solution to a tricky separation problem but this technique did not meet the client's requirements. The magnanimous columnist admits to a rare defeat on this occasion but praises the thrill of seeking a solution to a perplexing method development problem. Could any readers suggest a more straightforward solution?

2,000-year-old medicine discovered on shipwreck

February 18, 2013

News

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Tablets found aboard an ancient shipwreck could identify the early beginnings of medicine. A team of scientists led by Erika Ribechini of the University of Pisa (Pisa, Italy) determined the composition of tablets found aboard a ship-wrecked off the coast of Tuscany (Italy) around 2,000 years ago.1

Trapping versus Fractionation

February 18, 2013

Articles

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When discussing optimization and improvements to costly and time-consuming purification processes "trapping" columns can be an alternative to fractionation.

QuEChERS Extraction and Analysis of Veterinary Drug Residues in Products of Animal Origin

February 18, 2013

Articles

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This article describes the extraction of drug residues by QuEChERS (quick, easy, cheap, effective, rugged and safe) and analysis by liquid chromatography-electrospray ionization?tandem mass spectrometry (LC-ESI?MS?MS), using dynamic multiple reaction monitoring (DMRM), for the improved quantification of veterinary drugs.