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LCGC North America-11-01-2019
LCGC North America
Vol 37 No 11 LCGC North America November 2019 Regular Issue PDF
November 01, 2019
LCGC North America, November 2019
37
11
Click the title above to open the LCGC North America November 2019 issue, Volume 37, Number 11, in an interactive PDF format.
Column Re-equilibration Following Gradient Elution: How Long is Long Enough? Part I: Reversed-phase and HILIC Separations of Small Molecules
November 01, 2019
LC Troubleshooting
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Many users have questions about how long LC columns should be re-equilibrated following solvent gradient elution separations. Here we show satisfactory results with short re-equilibration periods, for both reversed-phase and HILIC separations.
Market Profile: Laboratory Information Management Systems (LIMS)
November 01, 2019
Market Profile
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LIMS are software platforms that provide data management, and were introduced as a solution to sample tracking. However, LIMS quickly evolved into a tool that manages multiple facets of laboratory informatics.
Utility of Hydrogen-Deuterium Exchange Together with Mass Spectrometry for Determining Higher Order Structures of Proteins: Comparisons Between Biosimilar and Innovator Biopharmaceuticals
November 01, 2019
Focus on Biopharmaceutical Analysis
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Hydrogen–deuterium exchange–mass spectrometry enables determination of higher order structures of biopharmaceuticals and direct comparisons between a biosimilar and its proprietary analog.
Keeping Up with Evolving Challenges in Pesticide Analysis
November 01, 2019
Focus on Food Analysis
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Jim Garvey of the Pesticide Control Laboratory in Ireland discusses the development of pesticide analysis methods with high-resolution accurate mass MS.
Chromatography Fundamentals, Part VIII: The Meaning and Significance of Chromatographic Resolution
November 01, 2019
Peer-Reviewed Article
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The effectiveness of a separation can be quantified by measuring the resolution. This article explains the factors influencing resolution and the equation for predicting the required number of theoretical plates to obtain a given esolution.
Top Three HPLC Method Development Tips
November 01, 2019
The Essentials
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These three tips provide a clear starting point developing any HPLC method, to achieve optimum resolution in the minimum amount of time.