Application Notes: LC-MS

The Application Notebook

(3R, 3’R)-zeaxanthin is one of several dietary carotenoids found in human ocular tissue. Research has shown that concentrations of zeaxanthin, as well as other carotenoids, are significantly lower than normal in the macula of persons diagnosed with neovascular age-related macular degeneration (AMD)...

The Application Notebook

Protease inhibitors are a class of anti-HIV drugs used in combination therapy to block replication of the HIV virus in a person's blood. It is important to monitor the levels of these drugs in the patient since resistance can develop at low levels and at high levels the drug can exhibit toxic effects.

Application Notes

The Application Notebook

Mini application notes summaries

Application Notes

The Application Notebook

Mini application note summaries...

The Application Notebook

As new directives and legislation intended to regulate both the herbal medicine and nutraceutical industry are imminent...

Application Notes

The Application Notebook

A selection of mini application note write-ups

The Application Notebook

GC column bleed has been postulated to be caused by "backbiting" of the siloxane chain and volatility of noncrosslinked oligimers...

The Application Notebook

The current concern over acrylamide levels in food has unexpectedly brought amino acid analysis to the forefront . . .

The Application Notebook

The analysis of highly polar analytes on traditional RP silica-based columns (without the use of ion-pair reagents etc) is difficult as . . .