Thermo Fisher Scientific has released a new line ofÂ polymeric solid-phase extraction cartridges
Thermo Fisher Scientific has released a new line ofÂ polymeric solid-phase extraction cartridges, Thermo Scientificâ„˘Â Dionexâ„˘Â Polymeric SolExâ„˘Â Solid Phase Extraction Cartridges for the AutoTrace 280 SolidÂ Phase Extraction (SPE) system, for the extraction of organic contaminants from liquid matrices prior to GC, GC/MS and LC/MS analysis. The phases are designed for compatibility, but not limited to use with the AutoTrace 280 SPE instrument....
Thermo Fisher Scientific Inc., the world leader in serving science, introduced the Thermo Scientificâ„˘ Dionexâ„˘ ERSâ„˘ 500 Electrolytically Regenerated Suppressor which replaces the Thermo Scientificâ„˘ Dionexâ„˘ SRSâ„˘ 300 Self Regenerating Suppressor.
The Dionex ERS 500 Suppressor minimizes dispersion to deliver higher resolution separations, especially when coupled with Thermo Scientificâ„˘ Dionexâ„˘ 4 Âµm based IC columns. The Dionex ERS 500 suppressor permits improved compatibility with a wider range of detection techniques including MS, ICP, ICP-MS etc. due to its improved backpressure resilience. Additionally, the Dionex ERS 500 suppressor precludes the need for periodic chemical regeneration, allowing for greater ease of use and reproducibility.....
Thermo Fisher Scientific Inc. is pleased to announce the release of two simple ion chromatography (IC) analytical methods as per ASTM D7328-07 and ASTM D7319-09 for butanol, the next-generation biofuel
Application Note 296, Assay of Fuel-Grade Butanol for Total and Potential Sulfate and Total Chloride Per ASTM D7328-07
Application Note 297, Determination of Total and Potential Sulfate and Total Chloride in Fuel-Grade Butanol Per ASTM D7319-09
Technical Note 708, Thermo Scientific Dionex Chromeleon 7 Chromatography Data System Software, outlines the many features of the software that are designed specifically to perform automated SST...
Fluorescence Detection Speeds Determination of Sialic Acids
Jul 31, 2012Thermo Fisher Scientific is pleased to announce a new ultra high-performance liquid chromatography (UHPLC) method that allows high resolution of sialic acids in a 10 min analysis time and requires less organic solvent than other published methods.
Application Note 278: UHPLC Determination of Sialic Acids with Fluorescence Detection demonstrates that the sensitivity of fluorescence detection easily allows straightforward determination of sialic acids in the pmol range...
Direct HPAE-PAD Analysis of Sialic Acids in Glycoprotein Hydrolyzates
Feb 3, 2012Thermo Fisher Scientific is pleased to announce a new method that allows sialic acids in five representative glycoproteins to be determined by acid hydrolysis release and high-performance anion-exchange chromatography with pulsed amperometric detection (HPAE-PAD). Application Update 180: Direct Determination of Sialic Acids in Glycoprotein Hydrolyzates by HPAE-PAD demonstrates that determination of N-acetylneuraminic acid (Neu5Ac) and N-glycolylneuraminic acid (Neu5Gc) on a Thermo Scientific Dionex CarboPac PA20 Fast Sialic Acid column is specific and direct...
Simple, Rugged, and Accurate New Method for the Assay of Risedronate in Drugs
Jan 24, 2012Thermo Fisher Scientific Inc. is pleased to announce a new method that exceeds the U.S. Pharmacopeia (USP) monograph specifications for risedronate sodium analysis. This method is based on an anion-exchange separation with a 4 Ă— 250 mm Thermo Scientific Dionex IonPac AS7 (USP L48) column using edetate disodium (EDTA) eluent to resolve risedronate from related compounds. Application Note 289: Evaluation of the USP Risedronate Sodium Assay demonstrates the linearity, detection limits...
ISO Releases New Standard for the Determination of Bromate
Jan 10, 2012Thermo Fisher Scientific Inc. is pleased to announce its bromate analysis solutions are fully compliant with the new ISO standard for bromate analysis by ion chromatography (IC) titled, Water quality - Determination of dissolved bromate - Method using ion chromatography (IC) and post column reaction (PCR) (ISO 11206:2011(E)). The standard adds improved limits of detection and simplifies the lab work compared to ISO 15061:2001...
Simplified and Reproducible Separation of Ethyl Sulfate Impurity in Indinavir Sulfate
Dec 6, 2011Thermo Fisher Scientific Inc. is pleased to announce a new method that uses ion chromatography (IC) to separate ethyl sulfate in an indinavir sulfate drug sample. Indinavir sulfate is a specific and potent inhibitor of HIV-1 protease and is widely used in the treatment of AIDS. Application Note 284: Determination of Ethyl Sulfate Impurity in Indinavir Sulfate Drug Using Ion Chromatography demonstrates that only the addition of deionized water to the IC system is required to deliver reproducible chromatography while avoiding the time, labor, and potential error of manual eluent preparation...
Cost-effective Determination of Inorganic Anions and Cations in Municipal Drinking Water
Oct 18, 2011Thermo Fisher Scientific Inc. is pleased to announce a new application demonstrating the separation of common inorganic anions and cations in municipal drinkng water samples on the capillary Thermo Scientific Dionex IonPac AS19 hydroxide-selective anion-exchange column and the Thermo Scientific Dionex IonPac CS12A columns using electrolytically generated eluent. The analytes were detected by suppressed conductivity using the Thermo Scientific Dionex Capillary Electrolytic Suppressors (CES) and the capillary Thermo Scientific Dionex ICS-5000 Reagent-Free IC (RFIC) IC system...
Thermo Fisher Scientific Wins the R&D 100 Award for its Groundbreaking Capillary Ion Chromatography System
Aug 19, 2011Thermo Fisher Scientific Inc., the world leader in serving science, has announced that its Thermo Scientific Dionex ICS-5000 Capillary Ion Chromatography (IC) system has been named an R&D 100 award winner by an independent judging panel and the editors of R&D Magazine. This award recognizes the system as one of the 100 most technologically significant products introduced the past year. The Dionex ICS-5000 delivers unmatched precision, accuracy, and sensitivity in the environmental, food and beverage, bioscience, biofuel and power generation industries...
US EPA to Begin Regulatory Process for Perchlorate in Drinking Water
Jul 11, 2011On Feb. 2 the EPA announced a final regulatory determination for perchlorate in drinking water. This announcement from Lisa Jackson, Administrator for the US EPA, reversed a preliminary determination in 2008 not to regulate perchlorate. With this action the EPA initiated development of a national primary drinking water regulation (NPDWR) that, once finalized, will require certain potable water suppliers to take corrective action for high perchlorate levels...
Improving Accelerated Solvent Extraction (ASE) Workflow
Jun 29, 2011Genevac has launched the Flip-FlopTM system to improve post Accelerated Solvent Extraction (ASEÂ®) concentration and preparation of samples. Using the special double-ended Flip-FlopTM tube - samples can be collected directly from a Dionex ASEÂ® system. A SampleGenieTM adaptor with GC vial is then fitted. The tube is flipped over and placed into the Puck sample holder in a Genevac Rocket Evaporator and the cap removed. The samples are then concentrated directly into a GC autosampler vial...
New Cation Column for Separation of Amines and Inorganic Cations in Complex Sample Matrices
Jun 28, 2011Dionex Corporation is pleased to announce the release of the IonPacÂ® CS19 cation-exchange column designed for gradient separation of polar and moderately hydrophobic amines plus the common inorganic cations. The IonPac CS19 is a high capacity column allowing for the analysis of a variety of amines in complex sample matrices, including chemical process solutions, foods and beverages, and power industry samples...
Controlling Flavors in Wine by Measuring Organic and Inorganic Acids
Jun 28, 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 OmniPacÂ® PAX-100 Analytical column and IonPacÂ® 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...
Dionex Updates Application for More Sensitive Testing of Toxic Hexavalent Chromium in Drinking Water
Jun 23, 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...
Rapid and Sensitive Determination of Pesticides Paraquat and Diquat in Drinking and Environmental Waters
Jun 20, 2011Dionex is pleased to announce new on-line solid-phase extraction (SPE) method using two AcclaimÂ® 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...
Dionex Releases New Application for Fast, Direct, and Selective Detection of Chelating Agents in Drinking Water
Jun 16, 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...
Dionex Demonstrates Fast Yet Sensitive HPLC Analysis of N-Methylcarbamate Pesticides
Jun 10, 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 UltiMateÂ® 3000 high-performance liquid chromatography (HPLC) system with an AcclaimÂ® Carbamate column and detection performed using an FLD-3400RS fluorescence detector...
Dionex Joins Forces with the Genevac Corporation to Reduce Solvent Use in Sample Preparation
Jun 10, 2011Dionex is pleased to announce its partnership with Genevac Corporation, the world's leader in evaporation science and engineering. The product released as a result of this new partnership is the RocketTM Evaporator, which can perform unattended evaporation and concentration of up to six 450 mL flasks or 18 ASEÂ® tubes in parallel. A patented two-stage cold trap built into the evaporator guarantees high levels of solvent recovery and fast evaporation, even for the most volatile organic soents...
Dionex Introduces New Column for Superior Separation of Structurally Related Isomers
May 18, 2011Dionex Corporation is pleased to introduce a new reversed-phase HPLC column, the AcclaimÂ® 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...
Genevac and Dionex sign worldwide distribution agreement
May 4, 2011Genevac Ltd (Ipswich, UK), the solvent evaporation business of SP Industries Inc (Warminster, PA) has entered into an OEM agreement with ion chromatography (IC) specialist Dionex Corp (Sunnyvale, CA), which sees the Genevac RocketTM high speed evaporator being sold as part of Dionex accelerated solvent extraction (ASEÂ®) instruments...
Chromeleon 7.1 Chromatography Data System Brings Operational Simplicity to the Enterprise
Apr 17, 2011Dionex Corporation announces the release of ChromeleonÂ® 7.1, an enterprise-ready version of the innovative Chromeleon 7 chromatography data system launched in 2009. Described as Simply Intelligent, the software combines intelligent functionality with a new user interface based on Operational Simplicity, and provides the fastest path from samples to results...
New Column Formats for Faster and High Resolution Separations and Characterization of Monoclonal Antibody Variants
Mar 7, 2011Dionex, the leader in monoclonal antibody (MAb) analysis solutions, is pleased to announce the release of three new MAbPacTM SCX-10 column formats for faster MAb analysis, pH gradients, and LC/MS use. The MAbPac SCX-10 is designed specifically for high-resolution analysis and characterization of MAb variants. The new formats include: 4 Ă— 150 mm for fast MAb separations; 4 Ă— 50 mm column for pH gradients; and 2 Ă— 150 mm for upstream separations in LC/MS applications...
Nitrogen Mustard Hydrolysis Products: Quantitative Analysis Improved
Feb 27, 2011Dionex is proud to announce a rapid separation liquid chromatography (RSLC) tandem mass spectrometric (MS/MS) method for quantitative analysis of ethanolamines in environmental water samples. Application Note 271:Quantitative Analysis of Nitrogen Mustard Hydrolysis Products as Ethanolamines demonstrates use of the Dionex AcclaimÂ® TrinityTM P1 Mixed-Mode column, featuring reversed-phase, anion-exchange, and cation-exchange retention mechanisms, to provide retention and resolution for five target analytes within 5 minutes.
Recombinant Protein Fermentation Monitoring in Real Time
Feb 16, 2011Dionex is proud to announce a customer-developed method that enables real-time monitoring of laboratory-scale protein expression. Until now, real-time monitoring of protein expression has proven difficult, due to the requirement for time-consuming cell harvesting, protein extraction, and purification procedures prior to analysis. Customer Application Note 110: Rapid Analysis of Recombinant Protein Production During Fermentation Using Dionex ProPac SCX Columns shows how the ProPacÂ® SCX-10 column can be used for real-time monitoring of recombinant protein production, with reduced analysis time and smaller sample volume requirements.
Enhanced Method for Monitoring Hydroxymethylfurfural Levels in Food and Biomass
Feb 10, 2011Dionex is proud to announce a new high-performance anion-exchange chromatography with pulsed amperometric detection (HPAE-PAD)-based method for the determination of hydroxymethylfurfural (HMF) in samples ranging from food (honey and pancake syrup) to treated biomass (corn stover and wood hydrolysate). Application Note 270: Determination of Hydroxymethylfurfural in Honey and Biomass demonstrates that this method has a broad linear range, high precisions, and low detection limits. This system configuration requires only addition of deionized water for continuous operation
Common Cations and Amines Identification and Quantification Improved Using IC-MS
Feb 4, 2011Dionex announces a new method that combines ion chromatography (IC) and mass spectrometry (MS) detection for the determination of six commonly occurring cations and four amines at part per billion (ppb) levels. With MS detection, confirmation of the analyte identity can be achieved from full-scan spectra, and quantification can be achieved at low ppb levels with greater confidence by using selected ion monitoring (SIM) scans. Application Note 269: Identification and Quantification at ppb Levels of Common Cations and Amines by IC-MS demonstrates successful application of this method with analysis of water samples.
Monoclonal Antibody Characterization Automation Solutions from Dionex
Jan 20, 2011Worldwide sales of monoclonal antibodies (MAbs) continue to grow rapidly, with many market analysts predicting sales of over 50 billion USD per year by 2014, due to their extensive use as biotherapeutic drugs in the treatment of human diseases. With this high demand for newer and better MAb candidates, overcoming the characterization bottleneck becomes vital. Dionex is pleased to provide high-throughput, automated solutions to resolve the challenges for MAb characterization processes, described in a new brochure, Monoclonal Antibody Characterization
Faster Separation and Quantification of Metabolites in Brassica napus Rapeseeds
Jan 12, 2011Dionex is proud to announce a new platform developed by a customer to measure various metabolites in Brassica napus seeds. In cooperation with the Leibniz Institute of Plant Genetics and Crop Plant Research, the company has released Customer Application Note 109: Primary Metabolite Analysis of Plant Material Using a Triple Quadrupole MS Coupled to a Monolith Anion-Exchange Column. This method combines separation using the 1 mm IonSwiftTM MAX-100 anion-exchange column and ICS-3000 system and detection with the API 4000TM electrospray ionization (ESI) tandem mass spectrometry (MS/MS) system from AB SCIEX, providing a simple, rapid, specific, and sensitive method for the simultaneous detection and quantification of several primary metabolites involved in the tricarboxylic acid (TCA) cycle and glycolysis pathway.
Carbamates in Drinking Water Can Now be Measured Faster, and with More Sensitivity
Jan 5, 2011Dionex announces a new method for carbamate analysis that uses HPLC with fluorescence detection following postcolumn derivation to enhance method sensitivity and selectivity. Application Update 177: Faster and More Sensitive Determination of N-Methylcarbamates in Drinking Water by HPLC demonstrates an optimized 20 minute method for determining carbamates using a Dionex UltiMateÂ® 3000 HPLC system with an AcclaimÂ® Carbamate column.
Dionex Releases Technical Note for Determination of Water and Fat-Soluble Vitamins
Jan 4, 2011Dionex is pleased to announce the release of a new, key document entitled, Technical Note 89:Determination of Water- and Fat-Soluble Vitamins by HPLC. This technical note provides the physical-chemical properties including solubility, stability, and absorbance behavior of a large collection of vitamins. The document also describes a method that allows for the determination of fat- and water-soluble vitamins in one analysis with a run time of 25 minutes using the Dionex UltiMateÂ® 3000 dual system and AcclaimÂ® reversed-phase columns
Polyaromatic Hydrocarbons Now Quantifiable by Electrochemical Detection Using a Boron-Doped Diamond Electrode
Dec 23, 2010Dionex is proud to announce a powerful new method that extends the usefulness of electrochemical detection (ECD) to polyaromatic hydrocarbon (PAH) compounds that do not respond to ECD using typical carbonbased electrodes. Application Note 265: Quantification of Polyaromatic Hydrocarbons with a Boron-Doped Diamond Electrode uses the CoulochemÂ® III detector and gradient high-performance liquid chromatography (HPLC) with a boron-doped diamond (BDD) electrode to detect and quantify aromatic, genotoxic compounds down to tens of pg on column
Dionex Improves USP Monograph Assay Time for Drug Products Used to Treat Tuberculosis
Dec 18, 2010Dionex is proud to announce a new method for improving the United States Pharmacopeia (USP) monograph assays for drug products containing either three or four active pharmaceutical ingredients (APIs) used to treat tuberculosis (TB). This new application, AN 257: HPLC Assay Method for Drug Products Containing Anti-Tuberculosis Active Pharmaceutical Ingredients, uses the hydrolytic-stability-enhanced AcclaimÂ® PolarAdvantage II (PA2) column with an UltiMateÂ® 3000 system to assay drug products using either a conventional HPLC approach or a time- and mobile-phase saving UHPLC approach. All APIs can be determined with one method rather than two, and in less time.
Dionex Develops a Simple Method for Measuring Sialic Acids in Infant Formula in Half the Time
Dec 10, 2010Dionex is proud to announce a new method for simple determination of sialic acids that are present in infant formula in the pmol range. Application Note 266: Determination of Sialic Acids Using UHPLC with Fluorescence Detection demonstrates that N-acetylated sialic acids can be determined and O-acetylated sialic acids can be identified in infant formula samples using high-performance liquid chromatography (HPLC) with fluorescence detection following acid hydrolysis and 1,2-diamino-4,5-methylenedioxybenzene dihydrochloride (DMB) derivatization.
Dionex Demonstrates Fast Determination of Anthocyanins in Fruit Juice
Dec 3, 2010Dionex is proud to announce a sensitive, fast, and accurate new method to determine anthocyanins in commercially available fruit juices using simple dilution. Application Note 264: Fast Determination of Anthocyanins in Pomegranate Juice demonstrates the separation of anthocyanin compounds in various fruit juices in less than 5 min. This new method uses a high-resolution, silica-based, AcclaimÂ® RSLC C18 column and absorbance detection at a visible wavelength of 540 nm to separate and detect these compounds.
Dionex Releases New Column for Exceptionally High Resolution and Characterization of Monoclonal Antibody Variants
Nov 24, 2010Dionex is pleased to announce the release of the MAbPacTM SCX-10 column, designed specifically for high-resolution analysis and characterization of monoclonal antibody variants. This new column's unique nonporous pellicular resin provides exceptionally high resolving power, permitting the separation of monoclonal antibody variants that differ by as little as one charged residue. Hydrophobic interactions with the resin are essentially eliminated for very efficient peaks.
Dionex Releases New Column for the Exceptionally High-Resolution Characterization of Protein Variants
Nov 19, 2010Dionex is pleased to announce the release of the next-generation ProPacÂ® SCX-20 column, providing exceptionally high resolution for characterization of protein variants. The ProPac SCX-20 column has a strong cationexchange surface chemistry on a unique nonporous pellicular resin, together providing exceptionally high resolving power, permitting the separation of protein variants that differ by as little as one charged residue.
FDA Chooses Award Winning Ion Chromatography System from Dionex for Analysis of Biogenic Amines
Nov 17, 2010Dionex, a leader in ion chromatography separations, is pleased to announce that the United States Food and Drug Administration (FDA) in Irvine, California has purchased the new award-wining Dionex ICS-5000 (analytical and capillary scale) with Mass Spectrometry system for the analysis of biogenic amines (histamine, putrescine, and cadaverine) in fish samples. Consumption of large amounts of biogenic amines can lead to allergic reactions in some individuals, and can also be life threatening in some cases. The most well known intoxications of biogenic amines are scombroid poisoning and the cheese reaction, which occur from consuming food products containing high concentrations of histamine or tyramine, respectively
Dionex Demonstrates Determination of Free and Total Glycerol in Biodiesel Samples
Nov 15, 2010Dionex is pleased to announce the release of a new application demonstrating the use of high-performance anion-exchange chromatography with pulsed amperometric detection (HPAE-PAD) in the determination of glycerol in biodiesel samples. Application Note 255: Determination of Free and Total Glycerol in Biodiesel Samples by HPAE-PAD Chromatography demonstrates an HPAE-PAD method to determine free and total glycerol from aqueous extractions of biodiesel samples and base-hydrolyzed biodiesel samples, respectively.
Dionex Demonstrates SPE Method to Recover Low Concentrations of Microcystins in Water
Nov 10, 2010Dionex is proud to announce a newly developed method that can fully recover low concentrations (< 1 ÎĽg/L) of three microcystins (-RR, -YR, and -LR) when added to water samples. Application Note 261: Sensitive Determination of Microcystins in Drinking and Environmental Waters demonstrates recovery at lower concentrations than the maximum recommended by the World Health Organization (WHO).
Dionex Demonstrates New Methods to Determine Morpholine, Ethanolamine, and Hydrazine in Nuclear Power Plant Wastewater
Nov 8, 2010Dionex is proud to announce two sensitive and accurate new methods for determination of ÎĽg/L concentrations of commonly used corrosion inhibitors in nuclear power plant (NPP) wastewater. Application Note 247: Determination of Morpholine, Ethanolamine, and Hydrazine in Simulated Nuclear Power Plant Wastewater demonstrates one method optimized to separate hydrazine within 16 min and morpholine within 24 min using the IonPacÂ® CS16 column with suppressed conductivity detection and integrated pulsed amperometric detection (IPAD).
Dionex Demonstrates Simplified Determination of 2-Ethylhexanoic Acid in Clavulanate
Oct 26, 2010Dionex is proud to announce a simplified method for the detection and quantification of 2-ethylhexanoic acid, a potential impurity in potassium clavulanate active pharmaceutical ingredient (API) incorporated during sample purification. Application Note 262: Determination of 2-Ethylhexanoic Acid Impurity in Clavulanate reports results for limit of detection/limit of quantification (LOQ/LOQ), linear calibration range, spike recovery, retention time precision, and peak area precision determinations...
Dionex Announces EPA Federal Register Approval of Ion Chromatography for Total Cyanide Analysis
Oct 26, 2010The United States Environmental Protection Agency (EPA) is proposing to add new and revised methods published by the EPA, voluntary consensus organizations such as ASTM International, and other commercial entities, for use in water quality monitoring. These changes and additional methods will provide increased flexibility to the regulated community and laboratories in their selection of analytical methods for use in Clean Water Act programs
Canada First in the World to Ban Bisphenol A as Toxic Substance
Oct 24, 2010Canada becomes the first country in the world to ban and declare bisphenol A (BPA) as a toxic substance under the Canadian Environmental Protection Act. BPA, commonly used to make plastics, has been linked to a wide range of health disorders, including prostrate and breast cancer, because of its ability to mimic the hormone estrogen. The Canadian governmental agencies first evaluated BPA in infant milk bottles, then all plastic bottles, and finally the lining of cans.
Dionex Demonstrates Determination of Total Phosphorus in Wastewater
Oct 20, 2010Dionex is pleased to announce the release of an application on the determination of total phosphorus in wastewater. Application Note 254: Determination of Total Phosphorus in Wastewater Using Caro's Reagent and Ion Chromatography describes two IC methods, one with simple carbonate/bicarbonate eluent preparation and a second method that uses generated potassium hydroxide eluent and has the high reproducibility of an RFICTM system.
Dionex Demonstrates Simplified Determination of Vitamin B12 in Beverages
Oct 19, 2010Dionex is proud to announce a simple, fast, and effective new method for determination of trace amounts (sub-ppb concentrations) of vitamin B12 added to beverages. Application Note 256: Determination of Vitamin B12 in Beverages Using On-line SPE Followed by HPLC with UV Detection details use of an on-line solid-phase extraction (SPE) method, followed by high-performance liquid chromatography (HPLC) with ultraviolet (UV) detection, performed on an UltiMateÂ® 3000 system using the AcclaimÂ® Polar Advantage II column.
Dionex Demonstrates Determination of Lithium Salts in Lithium Ion Battery Production
Oct 18, 2010Dionex announces an IC method for the determination of lithium salts in simulated electrolyte samples from lithium ion battery production. Application Note 258: Determination of Tetrafluoroborate, Perchlorate, and Hexafluorophosphate in a Simulated Electrolyte Sample from Lithium Ion Battery Production demonstrates the accurate determination of anionic content in simulated electrolyte samples using a Reagent-FreeTM (RFICTM) IC system and the IonPacÂ® AS20 column set with potassium hydroxide mobile phase
Dionex Demonstrates Simplified Sample Preparation Method for HPAE-PAD Analysis
Oct 11, 2010Dionex announces a new method that simplifies sample pretreatment for small-scale peptide N-glycosidase F (PNGase F) digests that use protein denaturation. Application Update 176: Preparation of Peptide N-Glycosidase F Digests for HPAE-PAD Analysis demonstrates that this new pretreatment method makes samples amenable to high-performance anion-exchange chromatography with pulsed amperometric detection (HPAE-PAD) oligosaccharide analysis with the CarboPacÂ® PA200 column, thereby making it possible to monitor the oligosaccharide contentÂş of a glycoprotein.
Dionex Demonstrates Separation of Water- and Fat-Soluble Vitamins in One Analysis
Oct 5, 2010Dionex is proud to announce a new method that can successfully analyze samples prepared in 100% aqueous to 100% organic solvent, thereby allowing water- and fat-soluble vitamins to be separated in one analysis. Application Note 252: HPLC Assay of Water-Soluble Vitamins, Fat-Soluble Vitamins, and a Preservative in Dry Syrup Multivitamin Formulation demonstrates that this accurate and fast separation method can save both analysis time and solvent usage.
Dionex Extends Analysis Methodology for Lithium-Containing Boric Acid-Treated Nuclear Power Plant Waters
Sep 30, 2010Dionex is proud to announce that the large-volume, direct-injection approach for the determination of selected organic acids and inorganic anions in borated power plant waters has been extended to include lithium-containing matrices.Application Update 175: Determination of Organic Acids and Inorganic Anions in Lithium-Containing Boric Acid-Treated Nucleardemonstrates use of a single-pump ion chromatography system without a concentrator column to determine
Dionex Demonstrates IC-Based Methods for Detection of Methacholine and Possible Impurities
Aug 25, 2010Dionex is proud to announce new cation and anion IC-based methods for the detection and quantification of methacholine and possible impurities in solutions used to assess bronchial asthma of subjects evaluated in respiratory function labs and epidemiological field studies. Application Note 249: Determination of Methacholine Chloride and Potential Impurities Using a Reagent-Free Ion Chromatography System
Dionex Demonstrates a Reliable Automated Solution for Phosphopeptide-Enrichment Applications
Aug 24, 2010Dionex is proud to announce a new method to selectively isolate and enrich phosphopeptides from a peptide digest. Application Update 173: Enrichment and Identification of Chicken Ovalbumin Phosphopeptides by Immobilized Metaldemonstrates use of immobilized metal affinity chromatography (IMAC) in the ferric Affinity and Reversed-Phase Chromatographies form and exploits the affinity of the phosphopeptide phosphate group to ferric ions immobilized on the ProPacÂ® IMAC-10 stationary phase of a Dionex UltiMateÂ® 3000 high-performance liquid chromatography (HPLC) system.
Dionex Introduces New Acclaim Phenyl Columns with Superior and Unique Aromatic Selectivity
Aug 6, 2010Dionex Corporation is pleased to announce introduction of an innovative new AcclaimÂ® Phenyl-1 column line offering both high aromatic selectivity and high hydrophobic retention. This column line has been designed to provide unique selectivity and complements the Dionex portfolio of high-resolution reversed-phase columns in the Acclaim product line providing a broad range of application capabilities
Dionex Expands UltiMate 3000 Software Compatibility for Waters Empower 2 Chromatography Data System
Jul 7, 2010Dionex is pleased to announce the expansion of its UltiMateÂ® 3000 system software compatibility with the introduction of new drivers for the Waters EmpowerTM 2 Chromatography Data System (CDS) software. With the Dionex HPLC systems now fully UHPLC compatible, all laboratories can use UHPLC technology for all analytes, and with the new drivers, Empower 2 CDS users will now be able to use the UltiMate 3000 systems with the benefits of best-in-class applications, service, and support. The fully validated drivers will be available for ordering beginning July 1, 2010.
Dionex Releases Column for High-Efficiency, High-Resolution Analysis of Monoclonal Antibodies
Jul 1, 2010Dionex, the leader of monoclonal antibody analysis, is pleased to announce the release of the MAbPacTM SCX-10 column designed specifically for the exceptionally high-resolution, high-efficiency analysis of monoclonal antibodies and associated variants. This new column's unique nonporous pellicular resin provides unmatched high resolving power, permitting the separation of monoclonal antibody variants that differ by as little as one charged residue.
Dionex Releases Standalone Ultrahigh-Pressure Pump for Proteomics Workflows Using Liquid Chromatography
Jun 29, 2010Dionex Corporation is pleased to announce the expansion of its family of industry-leading Rapid Separation LC (RSLC) systems with the new UltiMateÂ® 3000 NCP-3200RS nano/capillary LC pump module. This new standalone ultrahigh-pressure pump features an extensive flow-pressure footprint, delivering continuous, direct flow rates from 20 nL/min to 50 ÎĽL/min at backpressures of up to 800 bar (11,600 psi) for nano, capillary, and micro LC analyses.
Dionex Demonstrates Simplified IC Determination of Transition Metals in Borated Power Plant Waters
Jun 23, 2010Dionex is proud to announce a new method for determination of ionic impurities in nuclear power plants that use pressurized water reactors (PWRs). Application Note 250: Determination of Trace Nickel and Zinc in Borated Power Plant demonstrates how to minimize corrosion and Waters Containing Lithium Hydroxide Using Nonsuppressed Conductivity Detection reduce maintenance costs using an ICS ion chromatography system with an IonPacÂ® SCS column and ChromeleonÂ® Chromatography Data System software.
Dionex Releases a Pharmaceutical Solutions Brochure
Jun 8, 2010Dionex moves forward in its role as a global leader in providing analytical solutions for the pharmaceutical industry with the release of the brochure, Global Pharmaceutical Solutions. The brochure compiles solutions for the analysis of active pharmaceutical ingredients, metabolites, and excipients using Dionex chromatography systems, including the UltiMateÂ® 3000 systems, the IC/RFICTM systems, and the ChromeleonÂ® Chromatography Data System software.
Dionex Releases Global Water Analysis Brochure
May 21, 2010Dionex is pleased to announce the release of its Water Analysis for a Global Market brochure (available in print, or as a downloadable PDF at www.dionex.com/water). This brochure provides an overview of the issues surrounding water quality, global supply, contaminants, emerging concerns, ion analysis, and system solutions provided by Dionex.
Dionex Presents an IC-MS Technique for Metabolomics Studies
May 13, 2010Dionex is pleased to announce the release of a Customer Application Note (CAN) demonstrating the use of ion-exchange chromatography coupled with mass spectrometry for the separation for polar compounds present in biological samples. CAN 108: Ion Chromatography Coupled with Mass Spectrometry for Metabolomics demonstrates efficient separation of biological metabolites using ion chromatography with MS detection.
Dionex Endows Chair to Honor Hamish Small at the University of Texas at Arlington
May 11, 2010Dionex Corporation is pleased to announce the establishment of a permanent academic endowment at The University of Texas at Arlington that will benefit the Department of Chemistry and Biochemistry in College of Science. The endowment will set up The Hamish Small Chair of Ion Analysis to honor Hamish Small, the inventor of suppressed ion chromatography.
Dionex ICS-5000 RFIC System Wins Bronze Star at GIT Innovations Award 2010
May 5, 2010Dionex Corporation is pleased to announce that its innovative new ICS-5000 Reagent-FreeTM Ion Chromatography (RFICTM) system has been awarded the Bronze Star (3rd place) in the prestigious GIT Innovations Award 2010 in Category A, "Analytical Instruments and Software" by the GIT Labor-Fachzeitchrift magazine published, in Germany, for German speaking countries.
Dionex ICS-3000 Instruments Used to Study Climate Change in Antarctic Ice Cores
May 5, 2010Dionex Corporation is pleased to announce that Dionex ICS-3000 instruments are being used by scientists of the Australian Antarctic Division's glaciology department to study Antarctic ice cores impacted by the effects of climate change. The ice cores can be as long as 1200 meters with a climate history stretching back 90,000 years, and can take as long as six Antarctic summers to recover.
Dionex Application Improves Determination of Sulfate and Sulfamate in Topiramate Using Ion Chromatography
Apr 14, 2010Dionex announces a new method for determination of sulfate and sulfamate in a pharmaceutical preparation using Ion Chromatography. Application Note 238: Determination of Sulfate and Sulfamate in Topiramate Using a Reagent-Free, released in September, describes a method that uses a Reagent-FreeTM ion chromatography (IC) system Ion Chromatography System with the IonPacÂ® AS11 column and suppressed conductivity detection for the determination of sulfate and sulfamate in topiramate.
Dionex Releases Their Updated Mass Spectrometry Applications Guide
Apr 8, 2010Dionex Corporation is pleased to announce the release of the updated mass spectrometry (MS)applications guide. The new applications presented in the MS Applications Guide offer excellent analytical choices for separation scientists in the fields of water testing, health and safety, chemicals, and food and beverages.
Dionex Releases New Capabilities for Chromeleon 6.8 and Chromeleon 7.0 Software
Mar 31, 2010Dionex Corporation announces Service Releases that add new capabilities to two generations of the ChromeleonÂ® Chromatography Data System software. New instruments supported include the capillary-capable ICS-5000 Ion Chromatography system, the UltiMateÂ® RSLCnano Rapid Separation Nano LC systems, and the UltiMate 3000 FLD Fluorescence Detector.
Dionex Introduces New Acclaim Carbamate HPLC Columns
Mar 31, 2010Dionex Corporation is pleased to announce the addition of new AcclaimÂ® Carbamate columns designed for analysis of carbamates specified in United States Environmental Protection Agency (US EPA) Method 531.2, using LC-postcolumn derivatization-fluorescence or LC-MS methods.
Dionex Introduces New IC Capillary Consumables
Mar 22, 2010Dionex Corporation is pleased to announce the release of new capillary consumables, including columns, eluent generator cartridges, trap columns, electrolytic suppressors, and carbonate removal devices.
Dionex Wins Order for 42 IC Systems in Poland
Mar 18, 2010Dionex Corporation is pleased to announce that the company has won a large tender order in Poland for 42 units of the Dionex ICS-1100 system. This tender was requested by the Polish Environmental Inspectorate, the largest and most important user of ion chromatography in Poland.
Dionex Introduces ICS-5000 Reagent-Free Ion Chromatography System
Mar 18, 2010Dionex Corporation is pleased to announce the introduction of capillary ion chromatography on its new ICS-5000 Reagent-Freeâ„˘ Ion Chromatography (RFICâ„˘) system. The new system combines all the award-winning features of other Dionex high-end products with capillary IC into one dual system
Melamine Contamination Resurfaces in China!
Feb 9, 2010The 2008 China melamine scandal in which the discovery of milk powder adulterated with melamine led to a global recall of Chinese infant milk formula, chocolates, biscuits, cakes, and other milk-based products is resurfacing. This month, the China Daily reports that melamine-contaminated milk-based products from three companies have been removed from shelves in the Guizhou province.
Dionex Releases InGuard In-Line Sample Pretreatment Cartridges
Jan 12, 2010Dionex is pleased to announce the release of the InGuardâ„˘ line of multiuse in-line sample preparation cartridges for ion chromatography. These cartridges are packed with a range of resins that can automatically remove matrix interferences such as anions, cations including transition metals, and hydrophobic contaminants including lipids.
Dionex at the Prestigious R&D 100 Awards Ceremony
Dec 22, 2009Dionex Corporation is pleased to announce that the Dionex Reagent-Freeâ„˘ Ion Chromatography (RFICâ„˘) technology has once again received an R&D 100 award as part of R&D Magazineâ€™s annual search for the most innovative new products of the year.
Dionex Corporation is pleased to announce that is has won a large order from the prestigious National Police Agency (NPA) of Japan. The order for 51 units of the Dionex ICS-3000 and 51 units of the Dionex ICS-2100 systems was secured by Dionexâ€™s Japanese subsidiary, Nippon Dionex K.K., which has a long history of sales and service in this important market.
Dionex Introduces AFC-3000 Automated Fraction Collector
Dec 8, 2009Dionex has released the AFC-3000 Automated Fraction Collector, a reliable and highly flexible fraction collector, ideally suited for preparative reversed-phase or normal-phase HPLC as well as purification of proteins, peptides, and nucleic acids.
Dionex Introduces the New AutoTrace 280 System
Aug 25, 2009The new AutoTraceÂ® 280 system is an automated solid-phase extraction (SPE) instrument designed to be used with large volume (20 mLâ€“4 L) samples for the isolation of trace organics in water or aqueous matrices.