Recent Articles in Separation science - Articles and Application notes
Controlling Flavors in Wine by Measuring Organic and Inorganic AcidsJul 1, 2011Dionex is pleased to announce a new method that enables a higher-resolution separation of the organic acids and inorganic anions found in wine. Using a Dionex ICS-5000 system with an OmniPac® PAX-100 Analytical column and IonPac® ATC-HC Trap column, this application demonstrates that ion chromatography (IC) with suppressed conductivity detection is an efficient and sensitive method for monitoring a wide variety of common acids, both organic and inorganic...
Read MoreDionex Updates Application for More Sensitive Testing of Toxic Hexavalent Chromium in Drinking WaterJun 29, 2011Dionex is pleased to announce the release of Application Update 179: Sensitive Determination of Hexavalent Chromium in Drinking Water. Concern about the dangers of hexavalent chromium in drinking water has been rising as the National Toxicology Program (NTP) of the U.S. Department of Health and Human Services has said that chromium-6 in drinking water shows evidence of carcinogenic activity. In addition, after the United States EPA released its Toxicological Review of Hexavalent Chromium report, the California Office of Environmental Health Hazard Assessment (OEHHA) agency has issued a new Public Health Guideline (PHG) for chromate at 0.02 ppb in drinking water...
Read MoreThe New Reveleris iES Flash Chromatography System Discover MoreJun 24, 2011The award winning Reveleris® flash purification system product range is now expanded with our latest model. The NEW Reveleris® iES flash chromatography system is specifically designed to enable an increase in the speed of isolation of new molecular entities and natural product extracts...
Read MoreRapid and Sensitive Determination of Pesticides Paraquat and Diquat in Drinking and Environmental WatersJun 22, 2011Dionex is pleased to announce new on-line solid-phase extraction (SPE) method using two Acclaim® Mixed-Mode guard columns as SPE cartridges to eliminate anionic interferences and enrich diquat and paraquat. Mixtures of paraquat and diquat are widely used to control crop and aquatic weeds; however, contamination of drinking water with these pesticides is considered a risk factor for liver, heart, lungs, and kidney illnesses. Various regulatory agencies have specified maximum admissible concentrations of paraquat and diquat in drinking water...
Read MoreDionex Releases New Application for Fast, Direct, and Selective Detection of Chelating Agents in Drinking WaterJun 20, 2011Dionex is pleased to announce the release of Application Note 268: Determination of Chelating Agents in Drinking Water and Wastewater Samples. Chelating agents have multiple industrial applications and therefore can sometimes be found in wastewater and drinking water. Some studies suggest that these chelating agents can have biological impact at concentrations greater than 1 mg/L. Based on this, some regulatory bodies have specified concentration limits for chelators in drinking water...
Read MoreAnasys scientific co-founder appointed to prestigious professorship in the College of Engineering at the University of Illinois, Urbana-ChampaignJun 17, 2011Anasys Instruments is pleased to announce that Dr William P King has been appointed as the Bliss Professor of Engineering at the University of Illinois at Urbana-Champaign. In addition to his faculty position at UIUC, Dr. King serves as a key scientific advisor to Anasys Instruments...
Read MoreAutomation of a Magnetic Bead Workflow for Protein Biomarker QuantificationJun 17, 2011Agilent Automation Solutions has released a new application note that demonstrates how its Bravo liquid handling system provides an efficient platform for automation of a SISCAPA Magnetic Bead Workflow for protein biomarker quantification by Mass Spectrometry...
Read MoreBiotage Introduces EVOLUTE WAX, Providing a Total Solution for Acidic CompoundsJun 14, 2011Biotage, a leading supplier of tools and technology for medicinal and analytical chemistry, today announced the further expansion of its successful family of sample preparation products with the launch of EVOLUTE WAX. EVOLUTE WAX is a mixed-mode weak anion exchanger, developed for the extraction of strongly acidic analytes from aqueous samples...
Read MoreThermo Fisher Scientific Announces New Method for Ultra-Fast Inclusion Analysis in SteelJun 14, 2011Thermo Fisher Scientific Inc., the world leader in serving science, today announced a new ultra-fast method for characterizing steel cleanness by analyzing inclusions using optical emission spectroscopy (OES). The method, which uses the Thermo Scientific Spark-DAT option on the Thermo Scientific ARL 4460 Metals Analyzer, significantly enhances the capabilities of the instrument and offers a faster and more cost-effective alternative to existing methods of characterizing steel cleanness...
Read MoreDionex Demonstrates Fast Yet Sensitive HPLC Analysis of N-Methylcarbamate PesticidesJun 13, 2011Dionex is pleased to announce an improved method for the determination of carbamates in rice, potato, and corn (maize) as specified in AOAC Method 2007.01 and European Union standard EN 15662, 2008. Application Note 272: Faster Yet Sensitive Determination of N-Methylcarbamates in Rice, Potato, and Corn by HPLC demonstrates accurate results using this new application on an UltiMate® 3000 high-performance liquid chromatography (HPLC) system with an Acclaim® Carbamate column and detection performed using an FLD-3400RS fluorescence detector...
Read MoreCHN Microanalysis: A Key Technique for Sample CharacterisationJun 13, 2011A white paper written by Exeter Analytical describes how CHN microanalysis provides a powerful and straightforward method for determining whether a sample is pure - a key aspect of sample characterisation. The paper discuss how by providing a precise and accurate analysis of the percentage Carbon, Hydrogen and Nitrogen in an organic sample - CHN microanalysis can compliment techniques such as Mass Spectrometry (MS) and Nuclear Magnetic Resonance (NMR) Spectrometry, thus enhancing the reliability of your analytical results...
Read MoreNew sample handling options for Biochrom Libra spectrophotometersJun 8, 2011Newly available accessories for the Biochrom Libra range of UV/Visible spectrophotometers now add increased sample handling capabilities to the straightforward operation, scalability and value for money that lie at the heart of this flexible range of instruments. Manufactured by Biochrom (Cambridge, UK), Libra spectrophotometers and peripherals are available through a global network of local distributors, in both split beam and double beam versions...
Read MoreDionex Releases New Application Update for Faster and Improved Resolution in Testing for Contamination in HeparinJun 2, 2011Dionex is pleased to announce the release of Application Update 178: Faster Solution with Increased Resolution for Determining Chromatographic Identity and Absence of OSCS in Heparin Sodium. The U.S. Pharmacopeia Monograph for Heparin Sodium was revised after oversulfated chondroitin sulfate (OSCS)-contaminated heparin led to the deaths of over 100 patients.
Read MoreDionex Introduces New Column for Superior Separation of Structurally Related IsomersMay 24, 2011Dionex Corporation is pleased to introduce a new reversed-phase HPLC column, the Acclaim® C30. This column is suited to a broad range of separations including hydrophobic, long chain, structural isomers (for example, carotenoids, steroids, and pharmaceuticals), lipids (for example, phospholipids, omega fatty acids, and cooking oils), and hydrophilic analytes (for example, water-soluble vitamins, and organic acids). The Acclaim C30 column provides unique selectivity and complements the range of other high-resolution reversed-phase Acclaim columns...
Read MoreThermo Fisher Scientific Demonstrates its FT-IR Instrumentation Gives Increased Confidence in Quality Assurance/Quality Control Testing in New Application NoteMay 18, 2011Thermo Fisher Scientific Inc., the world leader in serving science, highlights that its FT-IR instrumentation provides scientists with increased confidence in their results during Quality Assurance/Quality Control (QA/QC) testing. This means scientists are able to focus on handling the ever growing number of samples produced and letting the responsibility for performance verification go to the instrument itself...
Read MoreThermo Fisher Scientific Develops New Method for High Purity Aluminum Analysis Using Glow Discharge Mass SpectrometryMay 16, 2011Thermo Fisher Scientific Inc., the world leader in serving science, today announced the availability of a new application note that describes how to use the unique capabilities of the Thermo Scientific ELEMENT GD glow discharge mass spectrometer to accurately and efficiently characterize high purity aluminum...
Read MoreDetermination of Lanthanides by Ion ChromatographyMay 12, 2011Lanthanides are of increasing technological importance. However, the techniques commonly used to determine them require equipment well beyond the means of small budgets. Ion chromatography applying non-suppressed conductivity or UV/VIS detection is a straightforward, much less expensive alternative...
Read MoreThermo Fisher Scientific Introduces Flexible, Adaptable Column for Nanoscale HPLCApr 8, 2011Thermo Fisher Scientific Inc., the world leader in serving science, has announced the release of the Thermo Scientific EASY-Column for nanoscale HPLC applications. Nanoscale HPLC is primarily used in combination with high performance mass spectrometry for the analysis of complex biological samples, such as applications in proteomics and disease biomarker discovery. The EASY-ColumnTM operates effectively on any nano LC system, including the Thermo Scientific EASY-nLC, and it is optimized for online LC-MS...
Read MoreMass Based Purification Simplified with Gilson LC/MS Purification SystemMar 28, 2011Presenting the first practical mass-based purification system from Gilson. Developed for chemists to provide a simple, fast and flexible solution, this unique and usable purification system combines world class MS technology with existing industry leading preparative HPLC solutions...
Read MoreTrace Determination of Heavy Metals in Pharma ProductsMar 23, 2011Warwick Analytical Services has published a technical article that describes a new standard ICP methodology that has been developed to determine trace heavy metals in pharmaceutical products...
Read MoreBiotage Introduces New SNAP XL Flash PurificationMar 22, 2011Biotage® (STO: BIOT), a leading supplier of tools and technology for analytical and medicinal chemistry, announced 2 new additions to its SNAP XL family of cartridges for large scale and development purification. Released in both 750g and 1500g sizes, the new cartridges offer powerful solutions for reverse phase chromatography (KP-C18-HS) and also optimized silica for the separation of amines (KP-NH)...
Read MoreSage-N Research and Nonlinear Dynamics Sign Co-Marketing Agreement to provide Complete Workflow Solutions to High End Proteomics LabsMar 17, 2011Sage-N Research Inc. (Sage-N), the world leader in computational proteomics, have announced a co-marketing agreement with Nonlinear Dynamics who are renowned developers of proteomics software. The collaboration will see Sage-N Research co-market Nonlinear Dynamics' Progenesis LC-MS label-free quantification software alongside its SORCERER proteomics platform. The scientific capabilities of both companies are a natural compliment and the combined offering will facilitate continued progression in the global field of proteomics...
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Dionex is pleased to announce a new method that enables a higher-resolution separation of the organic acids and inorganic anions found in wine. Using a Dionex ICS-5000 system with an OmniPac® PAX-100 Analytical column and IonPac® ATC-HC Trap column, this application demonstrates that ion chromatography (IC) with suppressed conductivity detection is an efficient and sensitive method for monitoring a wide variety of common acids, both organic and inorganic...
The award winning Reveleris® flash purification system product range is now expanded with our latest model. The NEW Reveleris® iES flash chromatography system is specifically designed to enable an increase in the speed of isolation of new molecular entities and natural product extracts...
Anasys Instruments is pleased to announce that Dr William P King has been appointed as the Bliss Professor of Engineering at the University of Illinois at Urbana-Champaign. In addition to his faculty position at UIUC, Dr. King serves as a key scientific advisor to Anasys Instruments...
Agilent Automation Solutions has released a new application note that demonstrates how its Bravo liquid handling system provides an efficient platform for automation of a SISCAPA Magnetic Bead Workflow for protein biomarker quantification by Mass Spectrometry...
Biotage, a leading supplier of tools and technology for medicinal and analytical chemistry, today announced the further expansion of its successful family of sample preparation products with the launch of EVOLUTE WAX. EVOLUTE WAX is a mixed-mode weak anion exchanger, developed for the extraction of strongly acidic analytes from aqueous samples...
Thermo Fisher Scientific Inc., the world leader in serving science, today announced a new ultra-fast method for characterizing steel cleanness by analyzing inclusions using optical emission spectroscopy (OES). The method, which uses the Thermo Scientific Spark-DAT option on the Thermo Scientific ARL 4460 Metals Analyzer, significantly enhances the capabilities of the instrument and offers a faster and more cost-effective alternative to existing methods of characterizing steel cleanness...
A white paper written by Exeter Analytical describes how CHN microanalysis provides a powerful and straightforward method for determining whether a sample is pure - a key aspect of sample characterisation. The paper discuss how by providing a precise and accurate analysis of the percentage Carbon, Hydrogen and Nitrogen in an organic sample - CHN microanalysis can compliment techniques such as Mass Spectrometry (MS) and Nuclear Magnetic Resonance (NMR) Spectrometry, thus enhancing the reliability of your analytical results...
Newly available accessories for the Biochrom Libra range of UV/Visible spectrophotometers now add increased sample handling capabilities to the straightforward operation, scalability and value for money that lie at the heart of this flexible range of instruments. Manufactured by Biochrom (Cambridge, UK), Libra spectrophotometers and peripherals are available through a global network of local distributors, in both split beam and double beam versions...
Thermo Fisher Scientific Inc., the world leader in serving science, highlights that its FT-IR instrumentation provides scientists with increased confidence in their results during Quality Assurance/Quality Control (QA/QC) testing. This means scientists are able to focus on handling the ever growing number of samples produced and letting the responsibility for performance verification go to the instrument itself...
Thermo Fisher Scientific Inc., the world leader in serving science, today announced the availability of a new application note that describes how to use the unique capabilities of the Thermo Scientific ELEMENT GD glow discharge mass spectrometer to accurately and efficiently characterize high purity aluminum...
Lanthanides are of increasing technological importance. However, the techniques commonly used to determine them require equipment well beyond the means of small budgets. Ion chromatography applying non-suppressed conductivity or UV/VIS detection is a straightforward, much less expensive alternative...
Thermo Fisher Scientific Inc., the world leader in serving science, has announced the release of the Thermo Scientific EASY-Column for nanoscale HPLC applications. Nanoscale HPLC is primarily used in combination with high performance mass spectrometry for the analysis of complex biological samples, such as applications in proteomics and disease biomarker discovery. The EASY-ColumnTM operates effectively on any nano LC system, including the Thermo Scientific EASY-nLC, and it is optimized for online LC-MS...
Presenting the first practical mass-based purification system from Gilson. Developed for chemists to provide a simple, fast and flexible solution, this unique and usable purification system combines world class MS technology with existing industry leading preparative HPLC solutions...
Warwick Analytical Services has published a technical article that describes a new standard ICP methodology that has been developed to determine trace heavy metals in pharmaceutical products...
Sage-N Research Inc. (Sage-N), the world leader in computational proteomics, have announced a co-marketing agreement with Nonlinear Dynamics who are renowned developers of proteomics software. The collaboration will see Sage-N Research co-market Nonlinear Dynamics' Progenesis LC-MS label-free quantification software alongside its SORCERER proteomics platform. The scientific capabilities of both companies are a natural compliment and the combined offering will facilitate continued progression in the global field of proteomics...