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Quality Control in Metabolomics By Dr. Oliver Fiehn, UC Davis Genome Center Comprehensive analysis of small molecule metabolites (30-1500 Da) is a challenging task for quality control. ...

Using Guard Columns and Retention Gaps in GC (Part 2) By Jaap de Zeeuw, International GC Consumables Specialist, Restek Corporation Guard columns and retention gaps are used widely in gas ...

Using Guard Columns and Retention Gaps in GC (Part 1) By Jaap de Zeeuw, Internal GC Consumables Specialist, Restek Corporation Guard columns and retention gaps both must be coupled to the ...

Retention Cross-over Phenomenon in Gash Chromatography Can the Mystery be Revealed? By Werner Engewald, Ph.D., Professor Emeritus, University of Leipzig, Institute of Analytical Chemistry, ...

Sample Preparation Techniques Used for Gas Chromatography By Robert L. Grob, Ph.D., Emeritus Professor of Analytical Chemistry, Villanova University Most scientists when faced with the analysis of a ...

Comprehensive 2D Gas Chromatography Making GC Separations Work Harder By Dr. Philip Marriott, Professor of Chemistry, RMIT University, Melbourne Australia We are entering a ...

Preventative Maintenance for GC By Professor Walter Jennings, Professor Emeritus, University of California, Davis Co-Founder, J&W Scientific, Inc. Co-Founder, AirToxics, Ltd. Far too many ...

The "Replacement" Column A Recurring Problem in Gas Chromatography By Professor Walter Jennings, Professor Emeritus, University of California, Davis, Co-Founder, J&W Scientific, Inc. ...