GC @ separationsNOW

The Gas Chromatography channel covers all techniques used for the separation of gases, in addition to the supercritical phase.

This includes multidimensional techniques (e.g. GCxGC) and hyphenated techniques (e.g. GC-MS).

Gas Chromatography

Monthly Highlight

Last Month's Most Accessed Feature: GC-MS defeats the doping steroid cheats

Doping with anabolic steroids remains a significant problem in many sports, particularly since identification of these compounds and many of their metabolites is hampered by their relatively short lifetimes in the body. Scientists from Ghent University in Belgium used GC-MS with chemical ionisation to detect novel long-lived metabolites from the anabolic steroids oxymesterone and mesterolone.

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2018 Free Sample Issues of Key Analytical Science Journals

The 2018 free sample issues of all our Analytical Chemistry journals are now available!

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Advertorial Feature

Shimadzu Europa
Fast gas chromatography

thumbnail image: <font size=3>Shimadzu Europa</font><br />Fast gas chromatography

Routine gas chromatographic analysis not only has to fulfill the specific conditions given by the respective target samples; it also has to cope with additional economically and ecologically driven demands. Reduced cost per sample and high-sample throughput needs affect basic decisions like gas selections and analysis runtimes. All of this ideally without compromising the performance of the gas chromatograph.

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Ezines

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Quick chromatography characterises coconut compounds

Ryan De Vooght-Johnson

May 21, 2019

thumbnail image: Quick chromatography characterises coconut compounds

The complex mixtures of compounds found in bio-oil samples are often separated by two-dimensional GC (GC × GC), usually involving long run times. Scientists from three Brazilian universities (the Federal University of Rio Grande do Sul, Porto Alegre, Tiradentes University, Aracaju, and the State University of Rio de Janeiro) developed a new, quicker method for bio-oil chromatography using fast GC × GC with a cryogen-free thermal modulator, using it to examine a bio-oil produced from the pyrolysis of...

Metabolic changes in chorionic villi during the first trimester of pregnancy in euploid and aneuploid cases have been studied by GC/MS, HPLC and NMR, revealing that polyol pathways, myo‐inositol and oxidative stress may have fundamental roles.

The flavour of pork is much appreciated, but the relationship between the volatile compounds present and the breed of pig still requires further study. Researchers from Gansu Agricultural University, Lanzhou, China, used headspace solid-phase microextraction (HS-SPME) and GC-MS to examine the volatile compounds from pork meat from four breeds of pig. 

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Education

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Selected key technologies of the analytical science industry are discussed by Steve Down with reference to burgeoning application areas and the scope for future improvements.

We are proud to announce a new series of educational webinars run in collaboration with Chromedia, COAST, and SciMind, a product of the American Chemical Society. These webinars will build into a must-have set of tutorial materials for the analytical scientist.

Professor Mario Thevis discusses the fundamentals of sports drug testing. A selection of compounds, new challenges, and methods currently employed in doping control laboratories are discussed.

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Journals

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The Journal of Mass Spectrometry (JMS) publishes papers on a broad range of topics of interest to scientists working in both fundamental and applied areas involving the study of gaseous ions.

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