.... http://www.separationsNOW.com/coi/cda/landing.cda?type=Feature&chId=5 http://www.separationsNOW.com/coi/cma/download.cma?imageType=RssLogo&contentType=Feature&siteId=2&chId=5 http://www.separationsnow.com/ http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26649&type=Feature&page=1 Italian scientists have developed a new cation-exchange chromatography method for detecting 8-hydroxy-2'-deoxyguanosine, a biomarker of oxidative DNA damage, in urine samples. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26639&type=Feature&page=1 US chemists have shown that anion-exchange chromatography is an ideal way to separate the complex mix of carbon nanoparticles, including carbon dots and nanographene particles, found in soot. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26606&type=Feature&page=1 Swedish and Danish engineers have used a mechanistic model to study the separation of two impurities from a therapeutic protein by ion-exchange chromatography. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26524&type=Feature&page=1 For the first time, British scientists have used capillary-flow ion chromatography-mass spectrometry for metabolomic analysis and compared it with hydrophilic interaction chromatography-mass spectrometry. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26493&type=Feature&page=1 The ability of multimodal chromatography to separate and purify proteins can be enhanced by adding displacement compounds with just the right mix of properties, say US scientists. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26457&type=Feature&page=1 Using a variety of mobile phase modifiers, US scientists have examined the protein-binding affinity and selectivity of both multimodal and ion exchange systems. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26383&type=Feature&page=1 US scientists have utilized commercially-available strong anion-exchange magnetic beads to extract siRNA from human serum. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26380&type=Feature&page=1 To detect the toxic bromate ions generated when disinfecting fish in commercial fisheries, first you need to get rid of all the other ions present in sea water, say Australian chemists. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26357&type=Feature&page=1 Chinese scientists have synthesized a series of dextran-grafted adsorbents as chromatographic ligands for ion-exchange chromatography to investigate the influence of the dextran layer on adsorption of globulin. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26258&type=Feature&page=1 Australian scientists have developed a new ion-exchange chromatography method for detecting the anaesthetic gamma-hydroxybutyric acid (GHB), which is used as a recreational drug by clubbers. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26247&type=Feature&page=1 Chinese chemists have developed a novel anion-exchange monolithic stationary phase that is better than capillary electrophoresis at separating proteins differing only in terms of their attached sugar molecules. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26212&type=Feature&page=1 To help develop better strategies for controlling the rice green semi-looper, a serious pest of rice fields, Iranian scientists have used anion-exchange chromatography to purify a major digestive protease from the insect midgut. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26120&type=Feature&page=1 French scientists have synthesized a novel anion-exchange monolithic stationary phase for fast nano-ion exchange chromatography in Teflon-coated fused-silica capillaries. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26135&type=Feature&page=1 Turn an ionic liquid into a polymer and then stamp an imprint of a molecule into it, and you have an effective and selective material for separating and extracting the molecule from complex samples, say Korean scientists. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26100&type=Feature&page=1 British biochemists have used strong cation-exchange chromatography to analyze the drugs amisulpride and metamfetamine/amfetamine in plasma after single oral doses. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=26001&type=Feature&page=1 By taking advantage of cation-exchange chromatography, an international team of scientists has isolated a novel peptide that appears to inhibit the superbug methicillin-resistant <i>Staphylococcus aureus</i> (MRSA). http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=25995&type=Feature&page=1 Portuguese chemists have used ion-exchange chromatography to show that the antimicrobial properties of chitosan, which is ultimately derived from the shells of sea crustaceans, are probably all down to electrostatic interactions. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=25980&type=Feature&page=1 With help from ion-exchange chromatography, Japanese scientists have developed a novel protease inhibition assay for the retrovirus HTLV-1, which is implicated in several diseases including leukemia. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=25844&type=Feature&page=1 Using anion exchange chromatography, Mexican scientists have, for the first time, detected and partially purified lysyl oxidase from jumbo squid muscle. http://www.separationsNOW.com/coi/cda/detail.cda?chId=5&id=25842&type=Feature&page=1 The choice of stationary phase for cation-exchange chromatography is much more important for large proteins than small ones, say a trio of German scientists.