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The Potential of Polymeric Monolithic Capillary Columns for the LC–MS Analysis of Intact Proteins

January 1, 2012
By:Bert Wouters, Axel Vaast, Achim Treumann, Mario Ursem, Jenny Ho, Martin Hornshaw, Marc Raes, Herman Terryn, Sebastiaan Eeltink

Describes the preparation of a reversed-phase monolithic column with an optimized porous structure to separate intact proteins using LC–MS.

Rapid Multidimensional Liquid–Gas Chromatography for the Analysis of Saturated Hydrocarbon Contamination in Foods containing Vegetable Oil

January 1, 2012
By:Paola Dugo, Luigi Mondello, Peter Q. Tranchida, Mariosimone Zoccali

A fast heart-cutting liquid chromatography–gas chromatography (LC–GC) method for the analysis of mineral oil saturated hydrocarbons (MOSHs) in a range of widely consumed foods is described.

Asymmetrical Flow Field Flow Fractionation for Investigating Intermolecular Interactions of Multifunctional Polymers

December 1, 2011
By:Albena Lederer, Susan Boye

Describes how asymmetrical flow field flow fractionation (AF4) can be used to characterize intermolecular interactions in multifunctional polymers used in drug delivery.

Current Applications of UHPLC in Biotechnology Part II: Proteins and Glycans

December 1, 2011
By:I.S. Krull, A. Rathore, Thomas E. Wheat

A discussion of how UHPLC is used to conduct intact protein–antibody analysis and glycoprofiling to characterize biopharmaceutical drugs

Analyzing aerosol Defence Pepper Spray Residues on Clothing and Analysis by GC-MS

November 1, 2011
By:Gino Van Vaerenbergh

Describes an analysis that was performed in a forensic science laboratory to assess who was the victim and who was the attacker in a legal dispute.

Valves for Gas Chromatography, Part III: Fluidic Switching Applications

November 1, 2011
By: John V. Hinshaw

This month the use of fluidic switching devices for open-tubular column manipulations is discussed.

GCxGC with Fluidic Modulation on Enantioselective Oil Analysis

October 1, 2011
By:Robert A. Shellie, Paul McA. Harvey, Samuel D. H. Poynter

Describes a novel approach for the enantioselective separation of spearmint oil incorporating a fluidic modulation system.

Rapid, Efficient Quantification of Water in Solvents and Solvents in Water Using an Ionic Liquid-based GC Column

October 1, 2011
By:Daniel W. Armstrong, Dilani A. Jayawardhana, Ross M. Woods, Ying Zhang, Chunlei Wang

Describing an accurate analytical technique for the detection and quantification of water using IL-based capillary GC.

Phthalate Esters in Toys by GC-MS

September 6, 2011

In this article we look at the determination of phthalate esters in childcare products and children's toys by GC-MS.

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