Fake News Modern Methods to Identify Counterfeit Medicines and Health Products
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February 2019 Volume 32 Number 2 www.chromatographyonline.com Fake News Modern methods to identify counterfeit medicines and health products LC TROUBLESHOOTING GC CONNECTIONS THE ESSENTIALS Reversed-phase LC and water Comprehensive Optimizing sensitivity in GC–FID two-dimensional GC analysis Born to run LCMS-8045 combines speed and robustness under hard conditions Shimadzu’s LCMS-8045 triple quadrupole mass Superior robustness spectrometer complements the company’s ultra- assures long term high sensitivity, even with fast UFMS series and provides high analytical complex biological fluids or food samples throughput. It serves a variety of applications such as veterinary drugs, residual pesticides, Upgradeability water quality analysis and bioanalysis. gives access to world-leading sensitivity and ultra-fast technologies found in the LCMS-8060 Fast polarity switching at 5 msec acquires data in one run, thus reducing total cost per sample and improving throughput Fast scanning speed at 30,000 u/s acquires high qualitative data for compound con firmation as well as high sensitivity quantita- tion in the same analysis www.shimadzu.eu/lcms-8045 LCMS-8045 7 8 9 4 5 6 If your standards and your samples DAWN 1 23 HELEOS-II 0 . TAB ESC DEL are the same size, they must be ENTER the same mass, right? With DAWN you can determine absolute molecular weights and sizes without That’s the problem with calibration-based measuring techniques. You don’t using reference standards made in someone else’s lab. know—you can only assume. Which is why every major pharmaceutical and biotechnology company, as well as most federal regulatory agencies are switching from relative methods to Wyatt Technology’s absolute measure- ments. Our DAWN® multi-angle light scattering (MALS) instruments allow you to determine absolute molecular weights and sizes without relying on so-called standards, or measurements made in someone else’s lab. Wyatt instruments measure all of the quantities required for determining absolute molar masses directly. Learn how to end you dependence on reference standards forever at wyatt.com/NoRef wyatt.com © 2019 Wyatt Technology. All rights reserved. All trademarks and registered trademarks are properties of their respective holders. COVER STORY February | 2019 88 PHARMACEUTICAL PERSPECTIVES The Role of Liquid Chromatography and Gas Chromatography in the Analysis of Illegal Medicines Volume 32 Number 2 and Health Products Yaxin Tie, Celine Vanhee, Erwin Adams, andd EricEric Deconinck This review intends to give a general overview of the liquid chromatographic (LC) and gas chromatographic (GC) methods, utilized by regulatory authorities, for the detection and characterization of suspectedd illegal medicines and health products, including lifesaving drugs, lifestyle drugs, and biotechnology drugs. Features 62 Ultrahigh Resolution Semipreparative Liquid Chromatography: Application to Structure Elucidation of Drug Impurities Fabrice Gritti, Sylvain Cormier, Ronald Morris, Frank Riley, and Qi Yan The performance of a research prototype twin column recycling liquid chromatography (TCRLC) process was investigated regarding the preparation of drug impurities. 94 Analysis Focus: Pharmaceutical Analysis Going Green in Pharmaceutical Analysis Alasdair Matheson LCGC Europe spoke to Yong Liu and Adam Socia from MSD about the cost-saving benefi ts of implementing green chromatography in the pharmaceutical sector, the importance of AMVI, and effective practices to reduce solvent consumption and replace harmful solvents, including SFC, fast chromatography, and “cocktail chromatography”. Columns 72 LC TROUBLESHOOTING Reversed-Phase Liquid Chromatography and Water, Part 1—How Much is Too Much? Dwight Stoll When can we use completely aqueous eluents with reversed-phase stationary phases, and what happens if we make a mistake? 80 GC CONNECTIONS GC×GC: From Research to Routine Nicholas H. Snow This instalment of “GC Connections” begins with a brief introduction to GC×GC, follows with examples of how GC×GC opens additional avenues of analysis, and it concludes with information about how to learn more. 102 THE ESSENTIALS The Essential Guide to Optimizing Sensitivity in GC–FID Editorial Policy: Analysis All articles submitted to LC•GC Europe Tips to improve signal-to-noise ratio when using standard GC are subject to a peer-review process in association equipment with the magazine’s Editorial Advisory Board. Cover: Departments Original materials courtesy: photokozyr/ 97 Products stock.adobe.com 101 Events 56 LC•GC Europe February 2019 A Higher Level of Sensitivity. Every Time. High-purity UHPLC-MS LiChrosolv® solvents for rapid and reliable results. Because our high standards match yours: SigmaAldrich.com/UHPLC-MS © 2018 Merck KGaA, Darmstadt, Germany and/or its affiliates. All Rights Reserved. Merck, the vibrant M, Supelco and LiChrosolv are trademarks of Merck KGaA, Darmstadt, Germany or its affiliates. All other trademarks are the property of their respective owners. Detailed information on trademarks is available via publicly accessible resources. 2018 - 16505 12/2018 The life science business of Merck operates as MilliporeSigma in the U.S. and Canada. Published by UBM Americas Editorial Advisory Board Daniel W. Armstrong Kiyokatsu Jinno University of Texas, Arlington, Texas, USA School of Materials Sciences, Toyohasi Vice President/ Project Manager Günther K. 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