http://www.chromatographyonline.com/lcgc/Sample+Prep/Article/list/35091 Content related to sample preparation. 2013-05-23T15:40:32Z http://www.chromatographyonline.com/lcgc/Sample+Prep/Man-of-the-Masses/ArticleStandard/Article/detail/807532?contextCategoryId=35091&ref=25 MS: The Practical Art Editor Kate Yu interviews Fred McLafferty about his pioneering career in mass spectrometry. 2013-03-02T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102013/807532/Historythumb(2)_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102013/807532/Historyflash(2)_flash.jpg XML http://www.chromatographyonline.com/lcgc/Article/Ionic-Liquids-and-Their-Applications-in-Sample-Pre/ArticleStandard/Article/detail/805278?contextCategoryId=35091&ref=25 This short review covers the use of ionic liquids (ILs) and polymeric ionic liquids (PILs) in solid-phase microextraction (SPME) and dispersive microextraction (DLLME) 2013-02-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/072013/805278/SPPthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/072013/805278/SPPflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Approaches-for-Extracting-and-Determining-Additive/ArticleStandard/Article/detail/803453?contextCategoryId=35091&ref=25 This instalment focuses on approaches and techniques for extracting and concentrating small molecules of interest present in polymeric materials. 2013-01-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042013/803453/SPPthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042013/803453/SPPflash_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042013/803453/SPPflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/Approaches-for-Extracting-and-Determining-Additive/ArticleStandard/Article/detail/803303?contextCategoryId=35091&ref=25 Howard G. Barth and Ronald E. Majors Liquid–solid extraction is the most popular method, but sometimes modern approaches such as PLE/ASE and MAE are possible. 2013-01-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042013/803303/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042013/803303/SPP_F_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042013/803303/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/Trends-in-Sample-Preparation/ArticleStandard/Article/detail/807704?contextCategoryId=35091&ref=25 The results from a reader survey on sample preparation techniques 2013-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102013/807704/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102013/807704/SPP_F_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102013/807704/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/GC/Just-Enough-Sample-Preparation-A-Proven-Trend-in-S/ArticleStandard/Article/detail/798376?contextCategoryId=35091&ref=25 This article discusses the details of how the newer techniques of sample preparation are simplified by the use of LC–MS-MS and GC–MS-MS technology. 2012-12-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/482012/798376/SPPthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/482012/798376/SPPflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Multimedia/Seminar-2-Choosing-the-correct-sample-prep-techniq/ArticleStandard/Article/detail/782485?contextCategoryId=35091&ref=25 Seminar 2: Choosing the correct sample prep technique for your sample 2012-07-24T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/302012/782485/webcastthumbb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/302012/782485/webcastflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Industry%3A+Food+and+Beverage/Advances-in-Sample-Preparation-for-Food-Analysis/ArticleStandard/Article/detail/773762?contextCategoryId=35091&ref=25 Sample preparation is a crucial part of the analysis of foodstuffs. Current sample preparation techniques used in food analysis are reviewed and the advantages and drawbacks of each one are discussed. 2012-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/202012/773762null XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Ultra-High-Resolution-Chromatography-Using-500-mm-/ArticleStandard/Article/detail/770409?contextCategoryId=35091&ref=25 LC method development for new drug candidates or screening methods for new active structures in botanicals present the same type of challenges: How do I know that I have separated all main components, as well as important, sometimes hidden, impurities? Is my resolution good enough? Am I missing small, co-eluting peaks? 2012-04-19T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/172012/770409/BauderThumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/172012/770409/BauderFlash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Articles/Theoretical-Concepts-and-Applications-of-Turbulent/ArticleStandard/Article/detail/763565?contextCategoryId=35091&ref=25 Turbulent flow chromatography is often used for on-line sample cleanup of biological matrices in liquid chromatography–mass spectrometry applications. 2012-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102012/763565/SPPthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102012/763565/SPP_F_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102012/763565/SPPflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/Market-Profile-Flash-Chromatography/ArticleStandard/Article/detail/731238?contextCategoryId=35091&ref=25 Flash chromatography is a type of preparative liquid chromatography commonly used in the separation of organic compounds. 2011-06-17T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/292011/731238null HTML http://www.chromatographyonline.com/lcgc/Industry%3A+Biological/Aggregated-Singletons-for-Automated-Purification-W/ArticleStandard/Article/detail/729784?contextCategoryId=35091&ref=25 Aggregated singletons for automated purification workflow delivers 30 mM DMS solutions for biological screening. 2011-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/272011/729784/khuntethumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/272011/729784/khunteflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Trichothecene-Mycotoxins-Analysis-using-a-Modified/ArticleStandard/Article/detail/724781?contextCategoryId=35091&ref=25 The extraction, purification and simultaneous determination of five mycotoxins from wheat and corn is described using a modified QuEChERS approach with LC-MS determination. These include three type A, diacetoxyscirpenol (DAS), T-2 toxin and HT-2 toxin, and two type B trichothecenes, deoxynivalenol (DON) and nivalenol (NIV). 2011-05-27T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/222011/724781null REMOTE http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/New-Chromatography-Columns-and-Accessories-at-Pitt/ArticleStandard/Article/detail/719059?contextCategoryId=35091&ref=25 A review of the gas chromatography columns, sample preparation, and chromatographic and sample preparation accessories that were presented at Pittcon 2011. 2011-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192011/719059/CW_icon_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192011/719059/CW_icon_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Industry%3A+Biological/On-line-Blood-Analysis-using-Microextraction/ArticleStandard/Article/detail/725570?contextCategoryId=35091&ref=25 Microextraction by packed sorbent is a sample preparation technique that can be connected on-line with LC or GC systems. 2011-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232011/725570/rehimthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232011/725570/rehimflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/News/Dal-Nogare-award/ArticleStandard/Article/detail/711843?contextCategoryId=35091&ref=25 The 2011 Dal Nogare award has been presented to Janusz Pawliszyn at Pittcon 2011. 2011-03-21T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122011/711843null HTML http://www.chromatographyonline.com/lcgc/Industry%3A+Environmental/Green-Sample-Prep-Techniques/ArticleStandard/Article/detail/715399?contextCategoryId=35091&ref=25 Discussing the latest developments in sample preparation techniques that reduce environmental impact. 2011-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152011/715399/sandrathumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152011/715399/sandraflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/New-at-Pittcon-2011/ArticleStandard/Article/detail/714665?contextCategoryId=35091&ref=25 A review of the liquid chromatography columns and accessories for analytical and preparative chromatography to be unveiled at Pittcon 2011 2011-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714665/CW_icon_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714665/CW_icon_MAIN_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714665/CWflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Article/The-2011-LCGC-Pittcon-Awards/ArticleStandard/Article/detail/714664?contextCategoryId=35091&ref=25 Now in its fourth year, the LCGC Awards have quickly grown into one of the premier honors for both emerging and veteran practitioners of chromatography. 2011-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714664/Knox_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714664/Knoxts_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Biotechnology+Today/High-Throughput-Tools-and-Approaches-for-Developme/ArticleStandard/Article/detail/714657?contextCategoryId=35091&ref=25 An overview of high-throughput process development (HTPD) tools and approaches, as well as a case study 2011-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714657/Biotech_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/142011/714657/Biotech_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/How-Good-is-Your-Sample-Prep/ArticleStandard/Article/detail/713284?contextCategoryId=35091&ref=25 This article focuses on two of the more common techniques applied to the analysis of a series of benzodiazepines in a biological matrix. 2011-02-21T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/713284/liddicoatthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/713284/liddicoatflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Automated-Sample-Preparation-using-Sequential-Inje/ArticleStandard/Article/detail/713291?contextCategoryId=35091&ref=25 An introduction to sequential injection analysis as a useful tool for automated sample preparation. 2011-02-21T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/713291/oliverthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/713291/oliverflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Articles/Aggregated-Singletons-for-Automated-Purification-W/ArticleStandard/Article/detail/712774?contextCategoryId=35091&ref=25 A multistep workflow process provides purified samples for in-vitro testing in just two or three business days. 2011-02-11T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/712774/khuntethumb1_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/712774/khunteflash1_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/The-Greening-of-the-Chromatography-Laboratory/ArticleStandard/Article/detail/712771?contextCategoryId=35091&ref=25 Miniaturization and solvent substitution are two key approaches. 2011-02-11T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/712771/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/712771/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/Determining-Melamine-in-Milk/ArticleStandard/Article/detail/712777?contextCategoryId=35091&ref=25 High recovery, reproducibility, and cost savings are among the advantages of this environmentally friendly method. 2011-02-11T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/712777/furusawathumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/712777/furusawaflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/The-Greening-of-the-Chromatography-Laboratory/ArticleStandard/Article/detail/713029?contextCategoryId=35091&ref=25 How to measure a method's 'greenness' and examples of green chromatography in action. 2011-02-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/713029/SPPthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/132011/713029/SPPflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/New-Directions-in-Whole-Blood-Analysis/ArticleStandard/Article/detail/706364?contextCategoryId=35091&ref=25 New methods are available for whole blood analysis. Here, various approaches are compared and contrasted. 2011-01-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/062011/706364/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/062011/706364/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Industry%3A+Biological/Electrostatic-Repulsion-HILIC/ArticleStandard/Article/detail/709616?contextCategoryId=35091&ref=25 When electrostatic effects are superimposed on hydrophilic interactions, specific functional groups can be targeted. 2011-01-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102011/709616/alpertthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102011/709616/alpertflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Simplifying-Sample-Preparation/ArticleStandard/Article/detail/695770?contextCategoryId=35091&ref=25 Ways of improving laboratory practices by introducing an effective sample preparation protocol into current workflow systems 2010-11-05T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/472010/695770/oliverthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/472010/695770/oliverflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Column%3A+History+of+Chromatography/Evolution-of-Chromatography-One-Scientists-51-Year/ArticleStandard/Article/detail/697433?contextCategoryId=35091&ref=25 Industry veteran Thomas Beesley takes readers on a tour of his experiences in chromatography. 2010-11-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/482010/697433/HistoryChrom_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/482010/697433/HistoryChrom_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/GC/The-QuEChERS-Revolution/ArticleStandard/Article/detail/704028?contextCategoryId=35091&ref=25 Ron Majors interviews the inventors of QuEChERS to explore the sucesses, challenges and future potential of this innovative sample preparation technique. 2010-11-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/042011/704028null XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Plasma-Analysis/ArticleStandard/Article/detail/683247?contextCategoryId=35091&ref=25 The analysis of clozapine and norclozapine in plasma using automated on-line sample preparation and LC–MS/MS 2010-08-06T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/342010/683247/morganthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/342010/683247/morganflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/The-Use-of-Hollow-Fibers-in-Liquid-Phase-Microextr/ArticleStandard/Article/detail/682847?contextCategoryId=35091&ref=25 In this installment, the subject of LPME is reviewed, with emphasis on the use of hollow fibers. 2010-08-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/332010/682847/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/332010/682847/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/The-Determination-of-Phytochemicals/ArticleStandard/Article/detail/679039?contextCategoryId=35091&ref=25 Discussing trends in sample preparation for the determination of phytochemicals in natural products. 2010-07-02T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/292010/679039/rostagnothumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/292010/679039/rostagnoflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/QuEChERS-An-Interview-with-the-Inventors/ArticleStandard/Article/detail/680292?contextCategoryId=35091&ref=25 The inventors of the QuEChERS technique present an update and a look at the future. 2010-07-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/302010/680292/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/302010/680292/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Industry%3A+Environmental/Modular-Pressurized-Liquid-Extraction/ArticleStandard/Article/detail/674372?contextCategoryId=35091&ref=25 Selected modes of operations are presented and a few recent environmental applications of modular PLE are reviewed. 2010-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/252010/674372/haglundthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/252010/674372/haglundflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/ASMS-2010-Review/ArticleStandard/Article/detail/676046?contextCategoryId=35091&ref=25 Associate Editor Megan Evans reviews this year's ASMS Conference, held in Salt Lake City, Utah. 2010-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/262010/676046/asmsthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/262010/676046/asmsflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Modular-Pressurized-Liquid-Extraction/ArticleStandard/Article/detail/682350?contextCategoryId=35091&ref=25 Selected modes of operations are presented and a few recent environmental applications of modular PLE are reviewed. 2010-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/332010/682350/haglundthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/332010/682350null XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Electromembrane-Extraction/ArticleStandard/Article/detail/674163?contextCategoryId=35091&ref=25 Speaking about studies into electromembrane extraction and the possibilities that this alternative sample preparation technique opens up for research. 2010-05-10T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/252010/674163/QAthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/252010/674163/QAflash_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/New-Chromatography-Columns-and-Accessories-at-Pitt/ArticleStandard/Article/detail/665276?contextCategoryId=35091&ref=25 Ron Majors presents the second part of his yearly review of all that was new and innovative at Pittcon 2010, held this year in Orlando, Florida. 2010-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162010/665276/CW_icon_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162010/665276/CW_icon_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/Electromembrane-Extraction/ArticleStandard/Article/detail/657482?contextCategoryId=35091&ref=25 How the combination of an electroextraction with hollow-fiber liquid-phase microextraction can lead to a selective, rapid new method. 2010-02-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/082010/657482/SPPthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/082010/657482/SPPflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Misc/Electrochemistry-and-LCndashMS-for-Metabolite-Gene/ArticleStandard/Article/detail/652119?contextCategoryId=35091&ref=25 This article provides an introduction to electrochemical liquid chromatography mass spectrometry. The instrumental set-up is presented and selected applications in drug development processes are discussed. 2010-01-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032010/652119/karstthumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032010/652119/karstflash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Misc/Asymmetrical-Flow-Field-flow-Fractionation/ArticleStandard/Article/detail/652116?contextCategoryId=35091&ref=25 The technique can be seen as an alternative to size-exclusion chromatography. This article illustrates how to choose parameters such as the dimensions of the separation channel and flow rates. 2010-01-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032010/652116/af41thumb_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032010/652116/af4flash_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/2009-Index-of-Authors-and-Subjects/ArticleStandard/Article/detail/647712?contextCategoryId=35091&ref=25 LCGC provides its annual editorial index as a resource for readers. 2009-12-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/502009/647712/IndexT_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/502009/647712/Index_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/The-30th-Anniversary-of-the-Minnesota-Chromatograp/ArticleStandard/Article/detail/642210?contextCategoryId=35091&ref=25 Peter Johnson gives readers the history of the well-known Minnesota Chromatography Forum. 2009-11-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/472009/642210/HistoryChrom_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/472009/642210/HistoryChrom_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Articles/The-Reality-of-Lab-on-a-Chip-Technology-for-the-Ma/ArticleStandard/Article/detail/634621?contextCategoryId=35091&ref=25 In this installment of "MS-The Practical Art," guest columnist Jack Henion presents an historical and practical overview of lab-on-a-chip (LOC) research and the commercial achievement associated with it so far. 2009-10-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/422009/634621/MS-PracticalArt_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/422009/634621/MS-PracticalArt_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/Adjustment-to-the-Chromatographic-System-in-US-Pha/ArticleStandard/Article/detail/634627?contextCategoryId=35091&ref=25 To meet system suitability requirements, chromatographers might need to make adjustments to the high performance liquid chromatography (HPLC) operating conditions. 2009-10-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/422009/634627/CW_icon_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/422009/634627/CW_icon_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Are-You-Optimizing-Your-Solid-Phase-Extraction/ArticleStandard/Article/detail/625487?contextCategoryId=35091&ref=25 Incognito presents the first in a series on the pitfalls in the practice of modern SPE. 2009-09-22T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/372009/625487/inf_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/372009/625487/ints_flash.jpg HTML http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/Highlights-of-HPLC-2009/ArticleStandard/Article/detail/626006?contextCategoryId=35091&ref=25 Ron Majors provides first-hand coverage of some of the technology and application advances reported at HPLC 2009. 2009-09-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/372009/626006/CW_icon_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/372009/626006/CW_icon_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+History+of+Chromatography/My-50--Years-in-Chromatography/ArticleStandard/Article/detail/626012?contextCategoryId=35091&ref=25 The former "Milestones in Chromatography" editor returns to give readers the story of his time in the field. 2009-09-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/372009/626012/HistoryChrom_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/372009/626012/HistoryChrom_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/More+techniques/Pole-Positions/ArticleStandard/Article/detail/610624?contextCategoryId=35091&ref=25 Doug Kitson looks at some of Poland's leading separation science groups. 2009-07-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgceurope/292009/610624/Poland1_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgceurope/292009/610624/Polandts1_flash.jpg XML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/Salting-out-Liquid-Liquid-Extraction-SALLE/ArticleStandard/Article/detail/613590?contextCategoryId=35091&ref=25 Ron Majors discusses the technique of Salting-out Liquid-Liquid Extraction (SALLE) and provides some examples of its successful applications. 2009-07-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/302009/613590/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/302009/613590/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Features/A-Non-hazardous-Technique-to-Determine-Penicillin-/ArticleStandard/Article/detail/610621?contextCategoryId=35091&ref=25 A method of sample preparation followed by reversed-phase high performance liquid chromatography (RP HPLC) with diode array (DA) detection. 2009-07-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgceurope/292009/610621/Beef1_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgceurope/292009/610621/Beefts1_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Dispersive-Liquid-Phase-Microextraction-of-Aromati/ArticleStandard/Article/detail/601659?contextCategoryId=35091&ref=25 Scientists from Henan Normal University (Xinxiang, China) and the University of Science and Technology Beijing (Beijing, China) developed an ultrasound-assisted ionic liquid dispersive liquid-phase microextraction procedure for determining four aromatic amines in water samples. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232009/601659null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Collagenase-Assisted-Extraction-of-Pharmaceutical-/ArticleStandard/Article/detail/601663?contextCategoryId=35091&ref=25 Researchers from Banyu Pharmaceutical Co. (Ibaraki, Japan) used a novel extraction method to prepare drugs in gelatin capsules for analysis by high performance liquid chromatography. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232009/601663null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Automating-Sample-Preparation-for-MS-Analysis-of-R/ArticleStandard/Article/detail/601661?contextCategoryId=35091&ref=25 A research group from AlbaNova University Center, Royal Institute of Technology (Stockholm, Sweden) developed an automated method for purifying and desalting proteins before mass spectrometry analysis. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232009/601661null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Liquid-Liquid-Liquid-Microextraction-of-Nerve-Agen/ArticleStandard/Article/detail/601658?contextCategoryId=35091&ref=25 Researchers from Vertox Laboratory, Defence Research and Development Establishment (Gwalior, India) used a liquid-liquid-liquid microextraction technique followed by liquid chromatography?mass spectrometry (LC?MS) to examine alkyl alkylphosphonic acids, which are important environmental markers of nerve agents. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232009/601658null HTML http://www.chromatographyonline.com/lcgc/GC/Novel-Sample-Extraction-and-Chromatographic-Techni/ArticleStandard/Article/detail/611935?contextCategoryId=35091&ref=25 An overview of contemporary techniques in environmental analysis. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgcasia/292009/611935null XML http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/The-Continuing-Acetonitrile-Shortage-How-to-Combat/ArticleStandard/Article/detail/605650?contextCategoryId=35091&ref=25 Ron Majors provides an unbiased look at this present crisis and gives alternative solutions. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/262009/605650/CW_icon_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/262009/605650/CW_icon_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/SPE-of-Lipophilic-Marine-Biotoxins/ArticleStandard/Article/detail/601665?contextCategoryId=35091&ref=25 A research group from NRL Marine Biotoxins, Federal Institute for Risk Assessment (Berlin, Germany) developed a solid-phase extraction (SPE) method for the enrichment and clean-up of lipophilic marine biotoxins from various species of bivalve molluscs and processed shellfish products. 2009-06-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/232009/601665null HTML http://www.chromatographyonline.com/lcgc/Misc/Thermo-Fisher-Scientific-to-Acquire-Biolab/ArticleStandard/Article/detail/596437?contextCategoryId=35091&ref=25 Thermo Fisher Scientific (Waltham, Massachusetts) has agreed to acquire Biolab, an Australian analytical instruments and life science consumables distributor, for $120 million (US). 2009-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192009/596437null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Diamond-Based-SPE-Phases/ArticleStandard/Article/detail/596440?contextCategoryId=35091&ref=25 Scientists from Brigham Young University (Provo, Utah) and US Synthetic Corporation (Orem, Utah) developed C18, C8, and perfluorinated diamond-based reversed-phase solid-phase extraction (SPE) media. 2009-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192009/596440null HTML http://www.chromatographyonline.com/lcgc/Misc/Effects-of-Sample-Dissolving-Solvents-and-Sample-I/ArticleStandard/Article/detail/599224?contextCategoryId=35091&ref=25 The ionic strength of a sample and the solvent used to dissolve it play a pivotal role in routine capillary electrophoresis (CE). 2009-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212009/599224/LC0808_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212009/599224/LC0808_M_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212009/599224/LC0808_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Analysis-of-Genotoxic-Impurities/ArticleStandard/Article/detail/596438?contextCategoryId=35091&ref=25 Researchers from the Research Institute for Chromatography (Kortrijk, Belgium) and AstraZeneca R&D Charnwood (Loughborough, UK) used in-situ derivatization and liquid chromatography?mass spectrometry (LC?MS) to analyze arylamines and aminopyridines, which can be present as potentially genotoxic impurities in pharmaceutical preparations at trace levels. 2009-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192009/596438null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/CE-Protein-Analysis-with-Sample-Salt-Additives/ArticleStandard/Article/detail/596443?contextCategoryId=35091&ref=25 Researchers from Uppsala University (Uppsala, Sweden) added alkali salts to protein samples in preparation for capillary electrophoresis (CE) analysis of intact proteins. 2009-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/192009/596443null HTML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/Stir-Bar-Sorptive-Extraction-SBSE-and-Headspace-So/ArticleStandard/Article/detail/599227?contextCategoryId=35091&ref=25 The guest columnists review SBSE and HSSE and examine their advantages and limitations, along with providing approaches to overcoming the latter. 2009-05-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212009/599227/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212009/599227/SPP_M_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/212009/599227/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Dispersive-Liquid-Liquid-Microextraction-in-Antise/ArticleStandard/Article/detail/593702?contextCategoryId=35091&ref=25 Researchers from the Chinese Academy of Sciences (Beijing, China), Beijing Technology and Business University (Beijing, China), and Hebei University (Shijiazhuang, China) used dispersive liquid?liquid microextraction and ultrahigh-pressure liquid chromatography to analyze triclosan, triclocarban, and methyl-triclosan in aqueous samples. 2009-04-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162009/593702null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Single-Drop-Microextraction-for-Sampling-Pesticide/ArticleStandard/Article/detail/593706?contextCategoryId=35091&ref=25 Researchers from the University of Thessaly (Volos, Greece) used a single-drop microextraction technique with gas chromatography (GC) and nitrogen?phosphorus and electron-capture detection to analyze pesticides in vegetables. 2009-04-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162009/593706null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Cold-Fiber-SPME-Device/ArticleStandard/Article/detail/593705?contextCategoryId=35091&ref=25 Researchers from the University of Waterloo (Waterloo, Canada) designed and constructed a cold fiber solid-phase microextraction (SPME) device and applied it to the analysis of off flavors in a rice sample. 2009-04-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162009/593705null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Headspace-Sampling-for-Analysis-of-Grape-Aroma-Com/ArticleStandard/Article/detail/593704?contextCategoryId=35091&ref=25 Scientists from Sezione di Tecnologie Alimetari (Firenze, Italy) and the University of California, Davis (Davis, California) analyzed grape aroma compounds in Cabernet Sauvignon grapes using headspace solid-phase microextraction (SPME) with gas chromatography?mass spectrometry (GC?MS). 2009-04-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162009/593704null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Supelco-SPE-Precipitation-Technology-Wins-Award/ArticleStandard/Article/detail/593701?contextCategoryId=35091&ref=25 Supelco, a division of Sigma-Aldrich (St. Louis, Missouri), announced that its HybridSPE-Precipitation technology has won the SelectScience.net 2009 Scientists? Choice Award for Best New Separations Product in 2008. 2009-04-15T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/162009/593701null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/PBDE-Analysis-with-SPE-and-LLE/ArticleStandard/Article/detail/592139?contextCategoryId=35091&ref=25 Researchers from Central China Normal University (Wuhan, China), Wenzhou Medical College (Wenzhou, China), and East China University of Science and Technology (Shanghai, China) extracted polybrominated diphenyl ethers (PBDEs) from water and plant samples using solid-phase extraction (SPE) and dispersive liquid?liquid microextraction (DLLME). 2009-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152009/592139null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/PAH-Extraction-from-Water-Samples/ArticleStandard/Article/detail/592142?contextCategoryId=35091&ref=25 Researchers from IWW Water Centre (Mülheim an der Ruhr, Germany) and University Duisburg-Essen (Duisberg, Germany) developed a solid-phase extraction (SPE) procedure using extraction disks in the analysis of polycyclic aromatic hydrocarbons (PAHs) in surface water samples. 2009-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152009/592142null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Micro-SPE-Using-Carbon-Nanotubes/ArticleStandard/Article/detail/592143?contextCategoryId=35091&ref=25 Scientists from the New Jersey Institute of Technology (Newark, New Jersey) used micro solid-phase extraction (SPE) devices consisting of single- and multiwalled carbon nanotubes packed in the needle of a syringe for sampling, analyte enrichment, and sample introduction. 2009-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152009/592143null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/MIP-Process-Used-in-Antiepileptic-Drug-Analysis/ArticleStandard/Article/detail/592141?contextCategoryId=35091&ref=25 Researchers from Universitat Rovira i Virgili (Tarragona, Spain) and the University of Strathclyde (Glasgow, UK) synthesized two molecularly imprinted polymers (MIPs) by precipitation polymerization using the antiepileptic drug carbamazepine as the template molecule and two types of crosslinking agents. 2009-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152009/592141null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/PAHs-in-Tobacco-Smoke/ArticleStandard/Article/detail/592140?contextCategoryId=35091&ref=25 Scientists from Lorillard Tobacco Company (Greensboro, North Carolina) developed an improved method for analyzing polycyclic aromatic hydrocarbons (PAHs) in mainstream tobacco smoke. 2009-04-01T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/152009/592140null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Carbon-Nanotubes-in-SPE/ArticleStandard/Article/detail/588344?contextCategoryId=35091&ref=25 Researchers from the New Jersey Institute of Technology (Newark, New Jersey) prepared a micro solid-phase extraction (SPE) device consisting of carbon nanotubes packed in the needle of a syringe. 2009-03-18T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588344null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Agilents-Robotic-System-Wins-New-Product-Award/ArticleStandard/Article/detail/588342?contextCategoryId=35091&ref=25 Agilent Technologies (Santa Clara, California) announced that its Direct Drive Robot was named by the Association for Laboratory Automation as one of the top three outstanding new products at LabAutomation2009. 2009-03-18T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588342null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/PerkinElmer-and-Teledyne-Tekmar-Sign-Agreement/ArticleStandard/Article/detail/588343?contextCategoryId=35091&ref=25 PerkinElmer (Waltham, Massachusetts) will become a distributor of purge-and-trap automated sample concentration systems from Teledyne Tekmar (Mason, Ohio) under terms of a reseller agreement. 2009-03-18T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588343null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Pickering-to-Distribute-GPC-System/ArticleStandard/Article/detail/588341?contextCategoryId=35091&ref=25 Pickering Laboratories, Inc. (Mountain View, California) announced that it will be distributing a gel-permeation chromatography (GPC) instrument from LCTech GmbH (Dorfen, Germany) when it is released in the second quarter of 2009. 2009-03-18T04:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588341null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/GPC-LC-MS-MS-Method-for-Mycotoxins-in-Edible-Oil/ArticleStandard/Article/detail/584812?contextCategoryId=35091&ref=25 Researchers at the Munich Technical University and Bavarian Health and Food Safety Authority have developed a comprehensive mycotoxin screening method based on the use of an LCTech GPC ULTRA gel permeation chromatography (GPC) instrument, which is distributed in North America by Pickering Laboratories (Mountain View, California) for sample cleanup before separation and detection. 2009-03-04T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102009/584812null HTML http://www.chromatographyonline.com/lcgc/GC/LCGC-amp-EARL-Present-CHROMacademy/ArticleStandard/Article/detail/584801?contextCategoryId=35091&ref=25 LCGC (Chromatographyonline.com) has developed a pilot program with EARL (EARL2learn.com), the most extensive online library of interactive web-based learning material for analytical chemistry. 2009-03-04T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102009/584801null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/PAH-Analysis-Using-Thermal-Desorption-GCMS/ArticleStandard/Article/detail/584816?contextCategoryId=35091&ref=25 Researchers at Universidad Miguel Hernandez (Elche, Spain) analyzed polycyclic aromatic hydrocarbons (PAHs) in aerosols using a thermal desorption gas chromatography?mass spectrometry (GC?MS) method. 2009-03-04T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102009/584816null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/SPME-with-Carbon-Nanotubes-for-Analysis-of-Phenols/ArticleStandard/Article/detail/584817?contextCategoryId=35091&ref=25 Scientists from Xiamen University (Xiamen, China) employed solid-phase microextraction (SPME) with a carbon nanotube?coated fiber to analyze phenols in aqueous samples. 2009-03-04T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102009/584817null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Ionic-Liquid-Based-Single-Drop-Microextraction-of-/ArticleStandard/Article/detail/584815?contextCategoryId=35091&ref=25 A research group from the University of Valencia (Valencia, Spain) and the University of Alicante (Alicante, Spain) used ionic liquid?based single-drop microextraction followed by gas chromatography (GC) to analyze chlorobenzenes in real water samples. 2009-03-04T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102009/584815null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/SPME-of-Polyphenols-in-Wine-and-Grapes/ArticleStandard/Article/detail/584814?contextCategoryId=35091&ref=25 Researchers from the University of Murcia (Murcia, Spain) developed a sample pretreatment system based on solid-phase microextraction (SPME) followed by gas chromatography with mass spectrometry detection (GC?MS). 2009-03-04T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/102009/584814null HTML http://www.chromatographyonline.com/lcgc/Column%3A+Column+Watch/New-Chromatography-Columns-and-Accessories-at-Pitt/ArticleStandard/Article/detail/588089?contextCategoryId=35091&ref=25 Ron Majors brings readers his yearly review of all that was new and innovative at the annual Pittsburgh Conference. 2009-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588089/CW_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588089/CW_M_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/122009/588089/CW_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Preparation/Solid-Phase-Microextraction-SPME-in-the-Fish-Oil-I/ArticleStandard/Article/detail/585580?contextCategoryId=35091&ref=25 A review of the role of Solid-phase Microextraction (SPME) in quality control (QC) in the fish oil industry. 2009-03-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgceurope/102009/585580null XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Hollow-Fiber-Liquid-Phase-Microextraction-of-Aroma/ArticleStandard/Article/detail/578911?contextCategoryId=35091&ref=25 Researchers from the Chinese Academy of Sciences (Beijing, China) and the University of Science and Technology of China (Hefei, China) used a two- and three-phase hollow-fiber liquid-phase microextraction method to determine aromatic amines in environmental water samples. 2009-02-02T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/062009/578911null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/SPE-and-SFE-in-Analysis-of-Phenolic-Compounds-from/ArticleStandard/Article/detail/578912?contextCategoryId=35091&ref=25 A research group from the Mendel University of Agriculture and Forestry (Brno, Czech Republic) and the Academy of Sciences of the Czech Republic (Trebon, Czech Republic) combined solid-phase exraction (SPE) and supercritical fluid extraction (SFE) using an SPE cartridge incorporated in an SFE cell to extract benzoic acid and cinnamic acid derivatives from microalgae and cyanobacteria samples. 2009-02-02T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/062009/578912null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Hot-Water-Extraction-of-Antibacterials-from-Eggs/ArticleStandard/Article/detail/578913?contextCategoryId=35091&ref=25 Researchers from Universita ?La Sapienza? (Rome, Italy) used a matrix solid-phase dispersion technique with hot water as the extracting solvent to extract seven quinolone antibacterial agents from egg samples. 2009-02-02T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/062009/578913null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Filtration-Conference/ArticleStandard/Article/detail/578910?contextCategoryId=35091&ref=25 The American Filtration and Separations Society will be holding its 22nd Annual Technical Conference and Exhibition on May 4-7, 2009, at the Sheraton Hotel in Bloomington, Minnesota. 2009-02-02T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/062009/578910null HTML http://www.chromatographyonline.com/lcgc/Column%3A+Sample+Prep+Perspectives/Extraction-and-Preconcentration-of-Residues-and-Co/ArticleStandard/Article/detail/583760?contextCategoryId=35091&ref=25 Guest authors from South Africa review the application of membranes in the extraction, preconcentration, and separation of various contaminants in food. 2009-02-01T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/092009/583760/SPP_T_thumbnail.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/092009/583760/SPP_M_main.jpg http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/092009/583760/SPP_F_flash.jpg XML http://www.chromatographyonline.com/lcgc/Sample+Prep/Solid-Phase-Extraction-in-Food-Lipid-Analysis/ArticleStandard/Article/detail/575841?contextCategoryId=35091&ref=25 Scientists from the Swedish University of Agricultural Sciences (Uppsala, Sweden) and the University of Tabriz (Tabriz, Iran) developed a single-step solid-phase extraction (SPE) method to completely separate sterol oxidation products in food lipids. 2009-01-15T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032009/575841null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Dispersive-Liquid-Liquid-Microextraction-of-Antiba/ArticleStandard/Article/detail/575840?contextCategoryId=35091&ref=25 Researchers from Universidad de Santiago de Compostela (Santiago de Compostela, Spain) developed a dispersive liquid-liquid microextraction sample preparation method to determine the antibacterial agent triclosan and its environmental transformation product methyl triclosan in water samples. 2009-01-15T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032009/575840null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Mixed-Mode-SPE-Used-in-Analysis-of-Pharmaceuticals/ArticleStandard/Article/detail/575842?contextCategoryId=35091&ref=25 Researchers from Stockholm University (Stockholm, Sweden) and Nankai University (Tianjin, China) used a serial mixed-mode cation-exchange and anion-exchange solid-phase extraction (SPE) method to extract 15 basic, neutral, and acidic pharmaceutical compounds from wastewater. 2009-01-15T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032009/575842null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Dispersive-Liquid-Liquid-Microextraction-of-Rose-W/ArticleStandard/Article/detail/575839?contextCategoryId=35091&ref=25 A research group from the University of Tehran (Tehran, Iran) used dispersive liquid?liquid microextraction coupled with gas chromatography to determine compounds in rose water, which is the hydrosol portion of the distillate of rose petals. 2009-01-15T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032009/575839null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Molecularly-Imprinted-SPME-in-Analysis-of-Beta-Blo/ArticleStandard/Article/detail/575837?contextCategoryId=35091&ref=25 Researchers from Sun Yat-sen University and South China Normal University (both in Guangzhou, China) developed a sample preparation method for extracting the beta-blockers propranolol, atenolol, pindolol, and alprenolol from human plasma and urine samples. 2009-01-15T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/032009/575837null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/Pressure-Biosciences-and-Battelle-Memorial-Institu/ArticleStandard/Article/detail/574290?contextCategoryId=35091&ref=25 Pressure Biosciences, Inc. (South Easton, Massachusetts) has entered into an exclusive patent license agreement with the Battelle Memorial Institute (Columbus, Ohio. 2009-01-05T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/022009/574290null HTML http://www.chromatographyonline.com/lcgc/Sample+Prep/SPE-in-Food-Lipid-Analysis/ArticleStandard/Article/detail/574293?contextCategoryId=35091&ref=25 Researchers from the Swedish University of Agricultural Sciences (Uppsala, Sweden) and the University of Tabriz (Tabriz, Iran) developed a solid-phase extraction method to separate sterol oxidation products in food lipids for analysis by gas chromatography (GC) and GC?mass spectrometry. 2009-01-05T05:00:00Z http://www.chromatographyonline.com/lcgc/data/articlestandard/lcgc/022009/574293null HTML