Cover Story

Tips to Boost Your Trace Analysis Skills

Incognito recalls the words of wisdom from an "old-school" supervisor who mentored him on the art of effective trace analysis. read more

BIOTECH DEGASi® PREP+
DEGASi PREP+ is a unique vacuum degasser, built for the most demanding applications. It can handle higher flow rates of mixed aqueous-organic solvents than any other degasser available today. This degassing system removes dissolved gases at flow rates up to 75 ml/min per channel and the channels can be connected in series to handle even higher flow rates. Learn more

Features

System Peaks or Ghost Peaks in GPC/SEC

Extraneous peaks, unrelated to the solute to be characterized, are quite common in gel permeation chromatography/size-exclusion chromatography (GPC/SEC), especially when refractive index (RI) detection is used. This instalment of Tips & Tricks explains why system or ghost peaks appear and how to minimize their appearance. read more

Combatting Counterfeit Biopharmaceuticals Using Hydrophilic Interaction Chromatography

The Column spoke to Steven Janvier, a PhD student at Sciensano and Ghent University (Belgium), and Celine Vanhee, a scientist at Sciensano, about their work to develop a hydrophilic interaction chromatography (HILIC) methodology capable of detecting counterfeit polar peptide drugs available on the black market. read more