http://www.chromatographyonline.com/lcgc ChromatographyOnline, the website of LC/GC North America, provides applications-based technical information and practical troubleshooting advice to chromatographers and analytical chemists. 2013-05-21T03:57:25Z http://www.chromatographyonline.com/lcgc/Malvern-NA---Branched-copolymer-characterization-b/ArticleStandard/Article/detail/813692?ref=25 Malvern NA - Branched copolymer characterization by triple detection GPC 2013-05-20T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212013/813692null HTML http://www.chromatographyonline.com/lcgc/Malvern-EU---Branched-copolymer-characterization-b/ArticleStandard/Article/detail/813693?ref=25 Malvern EU - Branched copolymer characterization by triple detection GPC 2013-05-20T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212013/813693null HTML http://www.chromatographyonline.com/lcgc/Biotage-EU---Fast-Extraction-of-Metanephrine-and-N/ArticleStandard/Article/detail/813694?ref=25 Biotage EU - Fast Extraction of Metanephrine and Normetanephrine from Urine Using EVOLUTE EXPRESS CX SPE Plates 2013-05-20T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212013/813694null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---New-FlipBook-Clinica/ArticleStandard/Article/detail/813588?ref=25 Thermo Fisher Scientific NA - New FlipBook! Clinical Research and Forensic Toxicology Applications Compendium 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813588null HTML http://www.chromatographyonline.com/lcgc/Pittcon-2013-Review-New-Developments-in-Liquid-Chr/ArticleStandard/Article/detail/813516?ref=25 Click here to view the complete LCGC Europe E-Newsletter from 17 May 2013 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813516null REMOTE http://www.chromatographyonline.com/lcgc/Agilent-opens-AsiaGlycomics-Education-Center/ArticleStandard/Article/detail/813513?ref=25 Agilent Technologies (California, USA) has opened the Asia Glycomics Education Center in South Korea, building on the recent collaboration with Chungham National University (Daejon, South Korea) through the university?s Graduate School of Analytical Science and Technology (GRAST). 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813513null HTML http://www.chromatographyonline.com/lcgc/News/Ice-age-appetite/ArticleStandard/Article/detail/813515?ref=25 An international team of scientists led by Dr Oliver Craig, University of York (York, UK) has published evidence for the consumption of fish by hunter-gatherers in the last ice age in the journal Nature.1 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813515null HTML http://www.chromatographyonline.com/lcgc/News/Malvern-Breaks-into-Grinding-amp-Dispersing-Market/ArticleStandard/Article/detail/813223?ref=25 Malvern Instruments (Malvern, UK) has entered a three year co-marketing agreement with Netzsch Grinding and Dispersing (Selb, Germany). The two companies serve shared markets including food, ceramics, pharmaceuticals, nano-technology applications, and surface coatings through to metal and mineral mining. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813223null HTML http://www.chromatographyonline.com/lcgc/Articles/Automated-MAb-Workflow-From-Harvest-CellCulture-to/ArticleStandard/Article/detail/813506?ref=25 Recombinant monoclonal antibodies (MAbs) are a growing class of therapeutic molecules. Early in the development of MAbs, a large number of harvest cell culture (HCC) samples must be screened for immunoglobulin G (IgG) titer, aggregations, and charge variants. This study describes a two-dimensional (2D) high performance liquid chromatography (HPLC) work ow for af nity, size-exclusion, and ion-exchange analysis. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813506/Lin_Thumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813506/Lin_Flash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/How-to-Improve-Sample-PreparationAccuracy-Reproduc/ArticleStandard/Article/detail/813507?ref=25 Sample preparation has historically been a time-consuming challenge in high performance liquid chromatography (HPLC) and gas chromatography (GC) analysis, consisting of up to 60% of total analysis time. Automated platforms are now able to perform sample preparation techniques including solid-phase extraction (SPE) and protein precipitation. By implementing automation, a laboratory can instantly increase throughput, improve accuracy, reproducibility, and lab-to-lab consistency. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813507null HTML http://www.chromatographyonline.com/lcgc/News/Improving-the-taste-of-tomatoes-using-GC-MS/ArticleStandard/Article/detail/813517?ref=25 The preservation of food at home is a major concern for all consumers. A group of researchers from INRA in Avignon, France, have conducted a study into tomato aroma with the aim of finding the optimum conditions for storage. According to results published in Food Chemistry,1 the team used gas chromatography coupled to mass spectrometry (GC?MS) to measure volatile compounds in the fruit. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813517null HTML http://www.chromatographyonline.com/lcgc/Illegal-Migration-from-Packaging/ArticleStandard/Article/detail/813505?ref=25 Consumer protection requires that harmful chemicals are prevented from reaching food products or pharmaceuticals designated for human consumption. Packaging keeps products fresh and protects against direct contamination; however, materials used to manufacture the packaging can be an unintended source of migrating chemicals. To perform routine migration studies, food producers, or packaging suppliers, need to determine barrier properties of primary food packaging. In 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813505null HTML http://www.chromatographyonline.com/lcgc/The-Column-mdash-NOW-global/ArticleStandard/Article/detail/606506?ref=25 The global edition of The Column is delivered twice monthly with a screen-optimized format designed to improve readability. Covering topical issues, application-based articles, market reports, tips and tricks, opinion pieces and interviews, The Column is a great information resource helping readers achieve better day-to-day working practices. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/262009/606506null HTML http://www.chromatographyonline.com/lcgc/Wine-aroma-markers/ArticleStandard/Article/detail/813514?ref=25 Scientists in Portugal have been investigating important molecular and biochemical changes that occur when grapes are growing to find out how they affect wine aroma. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813514null HTML http://www.chromatographyonline.com/lcgc/Desert-Island-Data-Systems/ArticleStandard/Article/detail/813504?ref=25 Incognito dreams of a future with a completely intuitive and exible data system. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813504null HTML http://www.chromatographyonline.com/lcgc/News/Agilent-Announces-Early-Career-Professor-Award-Win/ArticleStandard/Article/detail/813222?ref=25 Dr Jindan Yu, assistant professor of medicine at Northwestern University (Illinois, USA), received the Agilent Early Career Professor Award from Agilent Technologies (California, USA). Yu will direct $100,000 of research funding from Agilent. 2013-05-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813222null HTML http://www.chromatographyonline.com/lcgc/HPLC/The-LCGC-Blog-Tightening-Up-the-Robustness-of-Grad/ArticleStandard/Article/detail/813434?ref=25 Click here to view the complete E-Separation Solutions newsletter from May 16, 2013. 2013-05-16T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813434null REMOTE http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---Multicomponent-Adjuv/ArticleStandard/Article/detail/813297?ref=25 Thermo Fisher Scientific EU - Multicomponent Adjuvants 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813297null HTML http://www.chromatographyonline.com/lcgc/Application+Notes%3A+Biological/Extraction-of-AM2201-Metabolites-in-Urine-Using-20/ArticleStandard/Article/detail/813281?ref=25 This method describes the efficient use of Clean Screen® THC SPE columns for the extraction and analysis of a newer synthetic cannabinoid (AM2201) metabolite from human urine. This method produces high recoveries and low matrix effects. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813281null REMOTE http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---Rapid-Analysis-of-Am/ArticleStandard/Article/detail/813303?ref=25 Thermo Fisher Scientific EU - Rapid Analysis of Aminothiols 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813303null HTML http://www.chromatographyonline.com/lcgc/Application+Notes/ChloroFiltrreg-A-Novel-Sorbent-for-Chlorophyll-Rem/ArticleStandard/Article/detail/813329?ref=25 Spinach and other highly pigmented vegetables contain chlorophylls, carotenoids, xanthophylls, and anthocyanin which are frequently co-extracted with pesticides. This application describes the use of a unique sorbent, ChloroFiltr®, for extracting pesticides, including planar pesticides, while reducing chlorophyll in sample extracts. Samples were analysed by LC?MS-MS with excellent pesticide recoveries. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813329null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/A-Solid-Phase-Extraction-Method-for-the-Analysis-o/ArticleStandard/Article/detail/813327?ref=25 This method describes the efficient extraction and analysis of the hallucinogenic compounds psilocybin and psilocin from human urine using Clean Screen® DAU SPE columns and LC?MS-MS. The analysis covered a linear range from 10ng/mL to 1000ng/mL with average recoveries of the individual cannabinoids found to be >85%. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813327null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Extraction-of-THC-THC-OH-THC-COOH-in-Whole-Blood-U/ArticleStandard/Article/detail/813328?ref=25 This method is used for the extraction of THC, THC-OH, and THC-COOH in whole blood. LC?MS-MS instrumentation is used for analysis with a linear range of 1 ng/mL to 100 ng/mL with average recoveries of individual cannabinoids found to be greater than 95%. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813328null REMOTE http://www.chromatographyonline.com/lcgc/Wyatt-NA---SEC-MALS-Analysis-of-Polycarbonate-uret/ArticleStandard/Article/detail/813322?ref=25 Wyatt NA - SEC-MALS Analysis of Polycarbonate urethanes 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813322null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---Silicone-Oils/ArticleStandard/Article/detail/813301?ref=25 Thermo Fisher Scientific EU - Silicone Oils 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813301null HTML http://www.chromatographyonline.com/lcgc/Chromatography+Market+Profile/Market-Profile-Supercritical-Fluid-Chromatography-/ArticleStandard/Article/detail/813234?ref=25 Supercritical fluid chromatography (SFC) makes use of a supercritical fluid, typically carbon dioxide (CO2), instead of an organic or aqueous solvent, to carry the sample through the chromatography column. The advantages of SFC when using carbon dioxide are that there are no organic solvents to dispose of. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813234null HTML http://www.chromatographyonline.com/lcgc/Application+Notes/Extraction-and-Determination-of-Acids-Bases-and-Ne/ArticleStandard/Article/detail/813333?ref=25 A reliable, efficient method has been developed for EPA Method 8270 using a novel SPE sorbent with GC-MS detection. A wide range of 138 analytes including acids, bases, and neutrals, and very polar compounds can be analyzed using this method. This method eliminates the consumption of large quantities of solvent and multiple extractions at differing pH values. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813333null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/A-Summary-of-US-FDA-LIB-4465-Collaboration-of-the-/ArticleStandard/Article/detail/813330?ref=25 This application demonstrates an effective tool for screening 173 multi-class pesticide residues in fruits and vegetables. The pesticide residues are quantitated against a single level calibration and can be completed in less than 20 min, with overall accuracy of 105% and RSD of 3% obtained. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813330null REMOTE http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---Herb-amp-Fruit-Juice/ArticleStandard/Article/detail/813300?ref=25 Thermo Fisher Scientific EU - Herb & Fruit Juice Adulteration and Authenticity 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813300null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---pH-Gradient-Separati/ArticleStandard/Article/detail/813298?ref=25 Thermo Fisher Scientific EU - pH Gradient Separation Platform for Mabs 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813298null HTML http://www.chromatographyonline.com/lcgc/Wyatt-EU---SEC-MALS-Analysis-of-Polycarbonate-uret/ArticleStandard/Article/detail/813323?ref=25 Wyatt EU - SEC-MALS Analysis of Polycarbonate urethanes 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813323null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---Surfactants-in-a-Var/ArticleStandard/Article/detail/813302?ref=25 Thermo Fisher Scientific EU - Surfactants in a Variety of Products 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813302null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---Antibiotics-in-Dried/ArticleStandard/Article/detail/813299?ref=25 Thermo Fisher Scientific EU - Antibiotics in Dried Distillers Grains 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813299null HTML http://www.chromatographyonline.com/lcgc/Application+Notes/Determination-of-Pesticide-Residues-in-Marijuana-a/ArticleStandard/Article/detail/813331?ref=25 Various pesticides can be rapidly determined in dried tea leaves or marijuana using this simple method. Samples are hydrated in water and then extracted by QuEChERS and dSPE cleanup using PSA and ChloroFiltr®. Results are determined by LC?MS-MS. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813331null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Determination-of-Carbonyl-Compounds-in-Water-by-Di/ArticleStandard/Article/detail/813332?ref=25 This application describes a method for the determination of free carbonyl compounds and aldehydes in water. A measured volume of sample is buffered to pH 3 and derivatized at 40 ?C for 1 h using 2,4-dinitrophenylhydrazine. The derivatives are extracted by SPE with 2000 mg of C18, eluted with ethanol and detected by HPLC. 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813332null REMOTE http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-EU---API-and-Counterion-T/ArticleStandard/Article/detail/813304?ref=25 Thermo Fisher Scientific EU - API and Counterion: Tartaric Acid and Tolterodine 2013-05-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813304null HTML http://www.chromatographyonline.com/lcgc/Markes-NA---Rapid-and-sensitive-aroma-profiling-of/ArticleStandard/Article/detail/813137?ref=25 Markes NA - Rapid and sensitive aroma profiling of strawberries using dynamic headspace sampling and TD?GC/TOF MS 2013-05-14T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813137null HTML http://www.chromatographyonline.com/lcgc/Markes-NA---Rapid-and-sensitive-aroma-profiling-of/ArticleStandard/Article/detail/813139?ref=25 Markes NA - Rapid and sensitive aroma profiling of strawberries using dynamic headspace sampling and TD?GC/TOF MS 2013-05-14T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813139null HTML http://www.chromatographyonline.com/lcgc/The+LCGC+Blog/The-LCGC-Blog-HPLC-Gradients---Getting-It-Right-Is/ArticleStandard/Article/detail/813138?ref=25 This month we'll have a look at some tips and tricks on how to tighten up the robustness of our gradient methods and offer some quick calculations to check we're getting it right! 2013-05-14T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813138null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---Rapid-Analysis-of-Am/ArticleStandard/Article/detail/813064?ref=25 Thermo Fisher Scientific NA - Rapid Analysis of Aminothiols 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813064null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---Antibiotics-in-Dried/ArticleStandard/Article/detail/813059?ref=25 Thermo Fisher Scientific NA - Antibiotics in Dried Distillers Grains 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813059null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---Herb-amp-Fruit-Juice/ArticleStandard/Article/detail/813060?ref=25 Thermo Fisher Scientific NA - Herb & Fruit Juice Adulteration and Authenticity 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813060null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---pH-Gradient-Separati/ArticleStandard/Article/detail/813058?ref=25 Thermo Fisher Scientific NA - pH Gradient Separation Platform for Mabs 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813058null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---Surfactants-in-a-Var/ArticleStandard/Article/detail/813062?ref=25 Thermo Fisher Scientific NA - Surfactants in a Variety of Products 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813062null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---API-and-Counterion-T/ArticleStandard/Article/detail/813065?ref=25 Thermo Fisher Scientific NA - API and Counterion: Tartaric Acid and Tolterodine 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813065null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---Multicomponent-Adjuv/ArticleStandard/Article/detail/813057?ref=25 Thermo Fisher Scientific NA - Multicomponent Adjuvants 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813057null HTML http://www.chromatographyonline.com/lcgc/Thermo-Fisher-Scientific-NA---Silicone-Oils/ArticleStandard/Article/detail/813061?ref=25 Thermo Fisher Scientific NA - Silicone Oils 2013-05-13T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202013/813061null HTML http://www.chromatographyonline.com/lcgc/Pittcon-2013-Review-New-Developments-in-Gas-Chroma/ArticleStandard/Article/detail/812896?ref=25 Click here to view the complete LCGC Europe E-Newsletter from 10 May 2013 2013-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812896null REMOTE http://www.chromatographyonline.com/lcgc/Lab-Water-Virtual-Conference-2013/ArticleStandard/Article/detail/812222?ref=25 We are pleased to introduce the Lab Water Virtual Conference 2013 hosted by EMD Millipore in North America and Merck Millipore in CEMEA. 2013-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812222null HTML http://www.chromatographyonline.com/lcgc/News/Malvern-Joins-Forces-with-Community-First/ArticleStandard/Article/detail/812607?ref=25 Malvern Instruments (Malvern, UK) has entered into a five-year partnership with Community First (UK). 2013-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812607null HTML http://www.chromatographyonline.com/lcgc/ISOLUTEsupregsup-Myco-SPE-columns/ArticleStandard/Article/detail/812098?ref=25 ISOLUTE? Myco SPE columns are a designed for ?catch and release? style clean-up of mycotoxins prior to analysis by LC-MS/MS. The ISOLUTE Myco sorbent is a proprietary polymeric phase (patent pending) optimized to enable the extraction of a wide range of mycotoxins from a wide range of foodstuffs. 2013-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812098null HTML http://www.chromatographyonline.com/lcgc/News/EMD-Millipore-and-WL-Gore-amp-Associates-Inc-Settl/ArticleStandard/Article/detail/812606?ref=25 Patent infringement disputes between EMD Millipore (Billerica, Massachusetts) and W.L. Gore and Associates Inc. (Delaware, USA) have been settled in the United States District Court for the District of Massachusetts, United States District Court for the District of New Jersey, and the United States District Court for the District of Delaware. 2013-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812606null HTML http://www.chromatographyonline.com/lcgc/Setting-new-Benchmarks-for-Antibody-Analysis/ArticleStandard/Article/detail/811652?ref=25 Tosoh Bioscience expands the renowned TSKgel SW series of aqueous size exclusion HPLC columns by three new UHPLC columns, tailored to different aspects of antibody analysis. 2013-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/172013/811652null HTML http://www.chromatographyonline.com/lcgc/Sepu/Chromatography-News-Report/ArticleStandard/Article/detail/812808?ref=25 Welcome to the chromatography news report. This installment covers a range of news stories. 2013-05-09T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812808null HTML http://www.chromatographyonline.com/lcgc/LCGC-Blog-Mass-Spectrometry-Is-Separation-Science/ArticleStandard/Article/detail/812793?ref=25 Click here to view the complete E-Separation Solutions newsletter from May 9, 2013. 2013-05-09T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812793null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Broad-Spectrum-in-Sun-Care-Products/ArticleStandard/Article/detail/812813?ref=25 This application note analyzes “broad spectrum” UVA and UVB components in sun care products for compliance with new FDA regulations. 2013-05-09T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812813null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/New-HALO-5-Fused-Core-Columns-Deliver-3-microm-Per/ArticleStandard/Article/detail/812811?ref=25 In this isocratic separation of nine NSAIDs, a Fused-Core HALO-5 column delivers twice the efficiency of a superior, totally porous 5-µm HPLC column in half the time with similar backpressure. 2013-05-09T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812811null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Increasing-Confidence-in-Identifications-of-Pharma/ArticleStandard/Article/detail/812731?ref=25 Liquid chromatography interfaced to high performance mass spectrometry, defined as high resolution with high mass accuracy, provides the opportunity for powerful analytical solutions in pharmaceutical and biological research. This application note evaluates mass accuracy, resolving power, and database compatibility of product ion spectra obtained at different collision energies using MSc2, a novel presentation of MS-MS. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812731null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Polymer-vs-Silica-Based-Amino-HILIC-Column/ArticleStandard/Article/detail/812728?ref=25 Several advantages of polymer-based amino HILIC column, Shodex NH2P-50 series, over a silica-based amino HILIC column are discussed. The NH2P-50 series column is suitable for the analysis of carbohydrates in food stuff and in biomedical areas such as analysis of glycoproteins and glycolipids. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812728null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Analysis-of-Artificial-Sweeteners-Using-UHPLC/ArticleStandard/Article/detail/812730?ref=25 Aspartame and acesulfame K are artificial sweeteners used to formulate many sugar-free foods and beverages. Since artificial sweeteners are often much sweeter than sugar, it is important to accurately measure their concentrations in food and beverages. Presented here is a method for analysis of aspartame, acesulfame K, and caffeine in a sugar-free carbonated beverage using the Hitachi LaChromUltra HPLC. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812730null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Single-Run-Assay-and-Impurity-Testing-of-Fixed-Dos/ArticleStandard/Article/detail/812727?ref=25 With the 1290 Infinity HDR DAD the determination of low and high dose drugs present in a fixed dose combination drug was possible in one run, due to the increased linear dynamic range by >30x. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812727null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Rapid-Screening-of-Dietary-Supplements-with-Direct/ArticleStandard/Article/detail/812722?ref=25 This application note uses the analysis of herbal weight loss aids and omega fatty acid dietary supplements to test the performance and utility of a new Direct Analysis in Real Time (DART?) ambient ionization source. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812722null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Fast-Screening-Methods-for-Beta-Blockers-by-HPLC-w/ArticleStandard/Article/detail/812729?ref=25 The Agilent Poroshell 120 column family is expanding to seven phases. This application evaluates how selectivity of a separation of beta blockers is changed by using different bonded phases, including C18, C8, polar-embedded phases and phenyl bonded phases to separate steroids. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812729null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/6500-System-for-High-Sensitivity-Bioanalysis/ArticleStandard/Article/detail/812726?ref=25 The new AB SCIEX 6500 series delivers ultra-high sensitivity with LOQs below 1 pg/mL. And with the IonDrive™ technology, major new innovations in ion generation, transmission, and detection have been implemented providing an unprecedented level of performance. 2013-05-08T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812726null REMOTE http://www.chromatographyonline.com/lcgc/News/The-LCGC-Blog-The-Dimensionality-of-Separations-Ma/ArticleStandard/Article/detail/812553?ref=25 Kevin Schug discusses the power of MS for resolving an enormous number of compounds in a sample. 2013-05-07T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812553null HTML http://www.chromatographyonline.com/lcgc/Multimedia/Solving-One-of-Chromatographys-Biggest-Dilemma---P/ArticleStandard/Article/detail/812481?ref=25 Solving One of Chromatography's Biggest Dilemma - Proper Sealing of Chromatography Autosamper Vials - Using the Advanced Vial Closure System (AVCS) 2013-05-07T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812481null HTML http://www.chromatographyonline.com/lcgc/Agilent-EU---Pesticides-Analysis-Using-the-Agilent/ArticleStandard/Article/detail/812528?ref=25 Agilent EU - Pesticides Analysis Using the Agilent 5977A Series GC/MSD 2013-05-07T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812528null HTML http://www.chromatographyonline.com/lcgc/Agilent-NA---Pesticides-Analysis-Using-the-Agilent/ArticleStandard/Article/detail/812527?ref=25 Agilent NA - Pesticides Analysis Using the Agilent 5977A Series GC/MSD 2013-05-07T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812527null HTML http://www.chromatographyonline.com/lcgc/Agilent-NA---Portable-measurement-of-biodiesel-in-/ArticleStandard/Article/detail/812548?ref=25 Agilent NA - Portable measurement of biodiesel in diesel fuels by ASTM D7371-07 (FTIR-ATR-PLS method) with the Agilent 5500t FTIR spectrometer 2013-05-07T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812548null HTML http://www.chromatographyonline.com/lcgc/Sepu/The-19th-National-Chromatography-Academic-Report-a/ArticleStandard/Article/detail/812522?ref=25 Fuzhou, China, April 1, 2013 - The 19th National Chromatography Academic Report and Exhibition opened in Fuzhou. Please see video and article (both in Chinese). 2013-05-07T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812522null HTML http://www.chromatographyonline.com/lcgc/News/Pharmaceutical-Technology-and-BioPharm-Launch-New-/ArticleStandard/Article/detail/811755?ref=25 Advanstar Communications (New York, USA) has announced the launch of the new Pharmaceutical Technology and BioPharm International Marketplace eDirectory built on the online Credibility Review Business Marketplace platform developed by Dun and Bradstreet Credibility Corp. (California, USA). Advanstar Communications are the first B2B publishers to embrace the platform. 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/811755null HTML http://www.chromatographyonline.com/lcgc/Forum-LABO-amp-BIOTECH-2013-the-meeting-point-for-/ArticleStandard/Article/detail/810605?ref=25 From 4th to 7th June 2013, the 10th edition of Forum LABO & BIOTECH will be held in Paris Expo-Porte de Versailles exhibitions centre. 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162013/810605null HTML http://www.chromatographyonline.com/lcgc/Be-a-superhero-with-a-name-you-know-and-trust/ArticleStandard/Article/detail/805583?ref=25 Merck Millipore inorganic sorbents tailored to fit needs. Merck Millipore reversed phase sorbents and silica gels - achieve superior purity in your downstream process 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/072013/805583null HTML http://www.chromatographyonline.com/lcgc/News/Safe-and-Sustainable-Water-Resources/ArticleStandard/Article/detail/811894?ref=25 The National University of Singapore Environmental Institute (NERI) and Thermo Fisher Scientific are collaborating on a project to monitor and improve water quality in Singapore. LCGC spoke to the scientists involved to find out more about the project. 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/811894null HTML http://www.chromatographyonline.com/lcgc/Zetasizer-muV-for-SEC-DLS/ArticleStandard/Article/detail/811651?ref=25 The Zetasizer ?V is a dual capability light scattering system that can be added to any protein SEC system to measure absolute molecular size and molecular weight in real time. 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/172013/811651null HTML http://www.chromatographyonline.com/lcgc/HPLC2013-Amsterdam-A-Preview/ArticleStandard/Article/detail/812283?ref=25 Click here to view the full LCGC Europe E-newsletter from the 3 May 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812283null REMOTE http://www.chromatographyonline.com/lcgc/HS-20-headspace-sampler-for-GC-and-GCMS/ArticleStandard/Article/detail/808130?ref=25 Environmental and pharmaceutical application, forensics, material and food production analyses – Shimadzu’s new HS-20 headspace sampler serves GC and GCMS applications particularly in testing and inspection organizations. 2013-05-03T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/112013/808130null HTML http://www.chromatographyonline.com/lcgc/Articles/Advances-in-Supercritical-Fluid-Chromatography-for/ArticleStandard/Article/detail/812771?ref=25 Part I of Ron Major's report on new products introduced at Pittson. This month, columns are highlighted, covering all modes of high performance liquid chromatography (HPLC), ultrahigh-pressure liquid chromatography (UHPLC), and liquid-phase separations. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812771null XML http://www.chromatographyonline.com/lcgc/HPLC/HPLC-Analysis-of-Polar-Compounds-The-Options/ArticleStandard/Article/detail/812238?ref=25 Click here to view the complete E-Separation Solutions newsletter from May 2, 2013. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812238null REMOTE http://www.chromatographyonline.com/lcgc/News/Digging-Deep-Ion-Chromatography-and-Climate-Change/ArticleStandard/Article/detail/812179?ref=25 The Column spoke to Dr Ailsa Benton - an "ice core" analytical scientist from the British Antarctic Survey (BAS) research team - about the role of chromatography in climate change. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812179/BentonThumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812179/BentonFlash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Articles/Missed-My-Connection/ArticleStandard/Article/detail/812195?ref=25 Incognito wonders why connections cannot be more sophisticated. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812195null HTML http://www.chromatographyonline.com/lcgc/Articles/Torun-Triumph-ISC-2012-Review/ArticleStandard/Article/detail/812194?ref=25 Professor Boguslaw Buszewski, Chairman of ISC 2012 and President of EuSSS, CeGSS and the Polish Chemical Society, reveals the highlights of last year's illuminating programme. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812194null HTML http://www.chromatographyonline.com/lcgc/News/Hong-Yuan-Chen-Discusses-Chromatography-at-the-19t/ArticleStandard/Article/detail/812267?ref=25 Hong-Yuan Chen, a professor at Nanjing University, gave a presentation on the development of chromatography at the 19th National Chromatography Exhibition, April 1, 2013, in Fuzhou, China. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812267null HTML http://www.chromatographyonline.com/lcgc/GC/Advances-in-Hydrophillic-Interaction-Liquid-Chroma/ArticleStandard/Article/detail/812770?ref=25 John Hinshaw presetns his annual review of new developments in the field of gas chromatography introduced at Pittcon 2013. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812770null XML http://www.chromatographyonline.com/lcgc/LC/The-Power-of-Liquid-ChromatographyndashMass-Spectr/ArticleStandard/Article/detail/812768?ref=25 Sometimes when changes are made to gradient conditions, the result isn't what was expected. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812768null XML http://www.chromatographyonline.com/lcgc/News/Non-invasive-test-for-the-diagnosis-of-pancreatic-/ArticleStandard/Article/detail/812208?ref=25 A team of researchers from the Kobe University Graduate School of Medicine in Japan have developed a metabolomics-based approach to diagnose early-stage pancreatic cancer.1 The method uses gas chromatography coupled to mass spectrometry (GC?MS). 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812208null HTML http://www.chromatographyonline.com/lcgc/Articles/Enhancing-Sensitivity-for-the-GC-TOF-MS-Detection-/ArticleStandard/Article/detail/812180?ref=25 This article shows how TD-GC-TOF-MS can be used to analyse the vapours released by strawberries. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812180null HTML http://www.chromatographyonline.com/lcgc/Agilent-NA---Analysis-of-Beer-by-Comprehensive-2D-/ArticleStandard/Article/detail/812239?ref=25 Agilent NA - Analysis of Beer by Comprehensive 2D-LC 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812239null HTML http://www.chromatographyonline.com/lcgc/Articles/Introduction/ArticleStandard/Article/detail/812767?ref=25 A novel method for analysing mercury in sediment is described. The technique involves microwave-assisted extraction followed by high performance liquid chromatography (HPLC) hyphenated to vapour generation atomic fluorescence spectrometry (VGAFS). 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812767null XML http://www.chromatographyonline.com/lcgc/News/Strong-Support-for-HPLC-and-LC-MS-Training-Courses/ArticleStandard/Article/detail/812273?ref=25 Training courses in the practical applications of high-performance liquid chromatography (HPLC) and liquid chromatography-mass spectrometry (LC-MS) were held in Hangzhou on April 12, 2013. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812273null HTML http://www.chromatographyonline.com/lcgc/Detection-of-Pyrethroids-in-Surface-Water-and-Sedi/ArticleStandard/Article/detail/812332?ref=25 A sensitive method for quantitation of pyrethroids in surface water and sediment samples using GC?MS?MS is proposed. 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812332null HTML http://www.chromatographyonline.com/lcgc/Agilent-EU---Analysis-of-Beer-by-Comprehensive-2D-/ArticleStandard/Article/detail/812240?ref=25 Agilent EU - Analysis of Beer by Comprehensive 2D-LC 2013-05-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812240null HTML http://www.chromatographyonline.com/lcgc/Application+Notes%3A+General/Automated-High-Throughput-Analysis-of-Benzodiazepi/ArticleStandard/Article/detail/812087?ref=25 Eight benzodiazepines were extracted from both urine and plasma using an automated Strata-X SPE procedure and analyzed via LC/MS/MS Kinetex core-shell method. 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812087null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/Chlorogenic-Acids-from-Green-Coffee-by-HPLC/ArticleStandard/Article/detail/812102?ref=25 Fast analysis of the green coffee extract raw material using a new Kinetex Core-Shell Technology HPLC method for both brewed coffee and a commercially available formulation containing green coffee extract. 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812102null REMOTE http://www.chromatographyonline.com/lcgc/Application+Notes/LCMS-Analysis-of-Fluoroquinolone-Antibiotics-by-Ki/ArticleStandard/Article/detail/812124?ref=25 Data from this technical note demonstrates the utility of the Kinetex 2.6 ?m XB-C18 column for the separation of numerous, typically difficult fluoroquinolones by LC/MS with non-ion pairing buffers. 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812124null REMOTE http://www.chromatographyonline.com/lcgc/HPLC/HPLC-Column-Selection/ArticleStandard/Article/detail/812773?ref=25 Many different column characterization probes and databases exist. The art of using in-silico column selection lies in knowing what the probes tell us about the column characteristics. 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812773null XML http://www.chromatographyonline.com/lcgc/Application+Notes%3A+General/Accurate-and-Reproducible-Quantitation-of-Vitamin-/ArticleStandard/Article/detail/812097?ref=25 A fast and efficient HPLC method for sensitive, accurate, and reproducible quantitation of Vitamin C in human plasma by applying Impact Protein Precipitation Plate Technology with Kinetex Core-Shell HPLC Columns. 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812097null REMOTE http://www.chromatographyonline.com/lcgc/Articles/Speciation-Analysis-of-Mercury-in-Sediments-by-HPL/ArticleStandard/Article/detail/812774?ref=25 A novel method for analysing mercury in sediment is described. The technique involves microwave-assisted extraction followed by high performance liquid chromatography (HPLC) hyphenated to vapour generation atomic fluorescence spectrometry (VGAFS). 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812774null XML http://www.chromatographyonline.com/lcgc/Article/Event-News-Euroanalysis-2013/ArticleStandard/Article/detail/812776?ref=25 Euroanalysis 2013 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192013/812776null XML http://www.chromatographyonline.com/lcgc/Application+Notes%3A+General/Rapid-LCMSMS-Pain-Panel-Analysis-using-Kinetex-Col/ArticleStandard/Article/detail/812083?ref=25 In this application note, 41 pain management drugs from several drug classifications were isolated from urine samples and analyzed by LC/MS/MS in under 5 min using a Kinetex Core-Shell technology HPLC/UHPLC column. 2013-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/182013/812083null REMOTE