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The Column-05-12-2014
The Column
Increased Ozone Levels Linked to Oil and Gas Emissions
May 14, 2014
News
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8
A study published in the journal Environmental Science and Technology suggests a strong link between oil and gas emissions and the high production of ozone in the atmosphere during the winter months in the Uintah Basin in Utah, USA.1 Scientists from the Institute of Arctic and Alpine Research (INSTAAR) at the University of Colorado in the USA performed continuous measurements of ozone, methane, and a suite of nonmethane hydrocarbons (NMHCs) above the basin between January and February in 2012 and 2013.
Steroid Analysis Without Derivatization
May 14, 2014
News
10
8
Steroid testing is commonly associated with sports doping testing to monitor athletes for performance-enhancing compounds, but it also important in the food industry for consumer safety. A new method using high-temperature liquid chromatography with photodiode detection and isotope ratio mass spectrometry (HT?LC?PDA?IRMS) that does not require sample derivatization and uses water as the eluent has been developed by scientists at the University of Duisberg-Essen in Essen, Germany.1
Automating Analysis of Pain Management Drugs in Urine
May 12, 2014
10
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This article discusses the benef ts of using automated dispersive solid-phase extraction (dSPE) rather than standard SPE in urine analysis.
The 2014 LCGC Awards (Part 1)
May 12, 2014
Cover Story
10
8
The 2014 Lifetime Achievement in Chromatography Award is granted to Fred E. Regnier. Here we chart his career and accomplishments.
Saliva Sampling
May 12, 2014
Features
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Mohamed Abdel-Rehim, professor of analytical chemistry at Stockholm University in Stockholm, Sweden, spoke to Bethany Degg of The Column about a novel approach to determine drug intake using saliva samples.
Core–Shell Particles for HPLC — Present and Future
May 12, 2014
Features
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An excerpt from LCGC's e-learning tutorial on core–shell particles for HPLC at CHROMacademy.com
Solid-Phase Extraction and LC–MS Analysis of Benzodiazepines in Urine
May 12, 2014
Features
10
8
Benzodiazepines are extensively misused as a result of their hypnotic-sedative properties and relative availability, and they are often used in combination with other drugs, which can result in life-threatening conditions. This article presents a SPE and LC–MS method for the analysis of benzodiazepines in synthetic urine samples.
Vol 10 No 8 The Column May 12, 2014 North American PDF
May 12, 2014
Issue PDF
10
8
Click the title above to open The Column May 12, 2014 North American issue, Volume 10, Number 8, in an interactive PDF format.
Vol 10 No 8 The Column May 12, 2014 Europe and Asia PDF
May 12, 2014
Issue PDF
10
8
Click the title above to open The Column May 12, 2014 Europe & Asia issue, Volume 10, Number 8, in an interactive PDF format.