In our September issue:
COLUMNS:
LC TROUBLESHOOTING
Separating Proteins Using Size-Exclusion Chromatography
Several new materials and columns have been introduced in recent years for size-exclusion separations of proteins. How do I know which one to choose, and which separation conditions will be the best for my protein separation? Read more >> |
GC CONNECTIONS
How to Safely Deliver Gases to Your System
How can you ensure a safe working environment while delivering gases that are up to the requirements of the separations at hand? Read more >> |
QUESTIONS OF QUALITY
Data and USP <1058>
This is the second of three articles looking at the impact of the new USP <1058> on analytical instrument qualification (AIQ) on data integrity in a regulated chromatography laboratory and focuses on how the laboratory should supervise the execution of operational qualification (OQ) protocols by a third-party service provider.
Read more >> |
COLUMN WATCH
LC–MS Sensitivity
Several strategies are discussed to improve method sensitivity through the reduction of contaminants, the careful selection of LC method conditions, and the optimization of MS interface settings.
Read more >> |
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PEER-REVIEWED ARTICLES:
Profiling Plant Metabolites
This paper is the first of a two-part review article discussing fundamental and practical aspects of both liquid chromatography (LC) and capillary electromigration techniques used for the analysis of phenolic compounds occurring in plant-derived food and in edible and medicinal plants. Part 1 focuses on LC. Read more >>
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