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In our December issue:
Columns
Sample Prep Perspectives
Supporting Bioanalysis with Dried Blood Spots
Douglas E. Raynie
Dried blood sampling shows great promise, but inconsistencies resulting from hematocrit effects must be resolved and regulatory acceptance is still lacking.
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LC Troubleshooting
Reader's Question: Early Eluted Peak
John W. Dolan
What could cause a peak to be eluted before the column dead time?
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GC Connections
Gas Cylinder Safety, Part II: Setup and Use
John V. Hinshaw
What are the best procedures for safe setup, use, and disposal of compressed gas cylinders in the chromatography laboratory?
Read more >> |
The Essentials
GC Troubleshooting in Simple Pictures, Part II
These five pictures will help you deal with irreproducible retention times, integration issues, step-shaped peaks, poor peak shape for early eluted peaks, and loss of resolution from loss of efficiency.
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Peer-Reviewed Articles
Workflow Development for the Analysis of Phenolic Compounds in Wine Using Liquid Chromatography Combined with Drift-Tube Ion Mobility–Mass Spectrometry
Tim J. Causon, Marian Došen, Gottfried Reznicek, and Stephan Hann
This HPLC–IMS-MS method and data analysis workflow provide a powerful and highly repeatable approach for the analysis of phenolic compounds in samples such as wine.
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Special Feature
Statistics for Analysts Who Hate Statistics, Part III: Principal Component Analysis
Caroline West
Principal component analysis is a relatively easy way to obtain a simplified image of your data while maintaining as much information as possible.
Read more >>
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Intact Proteoform Characterization Using CESI-MS
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Analysis of Antibody–Drug Conjugates by Hydrophobic Interaction and Size Exclusion Chromatography: An Orthogonal Approach
Tuesday, November 29, 2016 at 2:00 pm EST
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Avoiding Size Mismatch Between Solutes and Column Pores for Optimum HPLC Performance
Tuesday, December 6, 2016 at 11:00 am EST
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