January 01, 2023
Column: LC Troubleshooting
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When considering different ways to improve an established LC method, it helps to start by reviewing some essential concepts.
January 01, 2023
Column: Sample Prep Perspectives
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Continued development of needle-trap extraction (NTE) has expanded its versatility in applications such as disease diagnosis, aerosol-bound analytes, and breath analysis.
January 01, 2023
Column: GC Connections
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The common measures of stationary phase polarity—McReynolds constants and the polarity scale—are not always accurate predictors of retentiveness or selectivity in GC.
January 01, 2023
Column: Focus on Biopharmaceutical Analysis
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A drug stability program is a fundamental part of ensuring product quality, safety, and efficacy. Here, we summarize essential guidelines, differences between large- and small-molecule stability, and the analytical methods used.
January 01, 2023
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Robots outperform humans in five areas, and thus can be particularly beneficial for performing sample preparation for HPLC.
January 01, 2023
41
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A harmonization of all conventional hold-up volume methods was successfully applied to RPLC, HILIC, AEX, and RP-AEX mixed-mode chromatography, regardless of the mobile phase.