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LCGC North America-06-01-2020
LCGC North America
Vol 38 No 6 LCGC North America June 2020 Regular Issue PDF
June 01, 2020
38
6
Click the title above to open the LCGC North America June 2020 issue, Volume 38, Number 6, in an interactive PDF format.
Recovering from a COVID-19 Shutdown: Tips and Tricks for Starting Up, Part I
June 01, 2020
LC Troubleshooting
38
6
When you restart liquid chromatography (LC) instrumentation that was idle during the COVID-19 shutdown, you need to follow a systematic approach. Otherwise, problems may appear in days or weeks following startup.
Stability Studies and Testing of Pharmaceuticals - An Overview
June 01, 2020
Perspectives in Modern HPLC
38
6
Determining product shelf life is a regulatory requirement for pharmaceuticals and many other regulated consumer products. In this comprehensive overview of stability studies and testing, we summarize current regulatory requirements, share industry practices for forced degradation, and explain approaches for reduced testing and data evaluation to expedite stability study timelines.
Multidimensional Separation Techniques for Characterization of Biotherapeutics
June 01, 2020
Focus On Biopharmaceutical Analysis
38
6
Multidimensional separations, in which two or more separation methods are coupled, are a valuable analytical tool for higher peak capacity and improved selectivity for the analysis of complex samples like biotherapeutics.
Troubleshooting Gas Chromatography: Reduced Peak Size (Loss of Sensitivity)
June 01, 2020
38
6
There are many potential causes of reduced peak size in gas chromatography (GC), and an inexperienced GC user may not know where to begin the troubleshooting process. Here, we review potential causes for reduced peak size in GC systems.
Are You Controlling Peak Integration to Ensure Data Integrity?
June 01, 2020
Feature Article
38
6
Chromatography data systems (CDS) have been at the center of multiple FDA 483 citations and warning letters, with an emphasis on peak integration and interpretation of chromatograms. Here, we review the issues associated with ensuring compliance when performing peak integration.