Recent Articles in Separation science - Articles and Application notes
YMC-Triart Prep - Application Note: Separation of structurally similar peptides at pH ? 7Sep 30, 2010
Reversed phase chromatography is undoubtedly the most powerful method for peptide purification. In order to improve the cost effectiveness of industrial scale peptide purifications, YMC has developed a new hybrid silica base and a novel bonding technology to improve process efficiencies and inrease column life time.
Read MoreThermo Fisher Scientific Develops New GC-MS Method to Enable Compliance with Updated Federal Workplace Drug Testing GuidelinesSep 16, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, introduces a new method for the confirmation of amphetamines in urine in accordance with recently updated United States Substance Abuse and Mental Health Services Administration (SAMHSA)
Read MoreNew Biochrom Libra S80 UV-Vis spectrophotometer Sep 8, 2010
Global scientific instrument manufacturer Biochrom is targeting its new UV-Visible spectrophotometer, the Biochrom Libra S80, at customers looking for the flexibility and future proofing that a variable bandwidth optical system offers. Featuring double beam optical design and variable bandwidth (0.5 nm, 1 nm, 2 nm, 4 nm), Biochrom's new "top of the range instrument" is fully EP (European Pharmacopoeia) compliant and is the ideal choice for both research and method development laboratories.
Read MoreSep 8, 2010
A newly available application note from Malvern Instruments explains why, when measuring samples using Gel Permeation Chromatography/Size Exclusion Chromatography (GPC/SEC), low angle light scattering (LALS) is the only LS technique that actually measures a scattered light intensity directly proportional to molecular weight.
Read MoreFree Guide to HPLC formulae available from YMCSep 6, 2010
A free guide to HPLC formulae from YMC is available to download.
Read MoreSage-N ResearchSep 1, 2010
Sage-N Research Inc., (Sage-N) the world leader in computational proteomics announces the integration of the first commercially available phosphorylation tool using mass spectrometry into its drug discovery platform. The new phosphorylation algorithm, based on a method developed by Professor Steve Gygi of Harvard Medical School, measures the likelihood of correct phosphorylation site localization which is important for the study of many diseases like cancer.
Read MoreThermo Fisher Scientific Announces New UHPLC/MS Method for Sensitive, Precise and Reproducible Trace-Level Analysis of Perfluorinated Compounds in Human Breast MilkAug 31, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, has developed a new method for sensitive, accurate and reproducible quantitation of low levels of perfluorinated compounds (PFCs) in human breast milk.
Read MoreDionex Demonstrates IC-Based Methods for Detection of Methacholine and Possible ImpuritiesAug 25, 2010
Dionex 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 SystemRead MoreDionex Demonstrates Fast Desalting of Oligonucleotide and Protein SamplesAug 24, 2010
Dionex is proud to announce a new method to desalt oligonucleotide or protein samples for either on-line analysis by high-performance liquid chromatography (HPLC) or liquid chromatography-mass spectrometry (LC/MS).
Read MoreFused Silica Capillary Tubing from Fiberguide IndustriesAug 24, 2010
Delivering reliable operation in demanding conditions, Fiberguide Industries introduces its new line of fused silica capillary tubing. The new line of tubing has proven effective in a number of scientific applications including protein characterization, small molecule and genetic analysis, proteomics, DNA sequencing and fragment analysis.
Read More18 mm Screw Thread Headspace Vials and Lined ClosuresAug 19, 2010
Worldwide Glass Resources offers Screw Thread Headspace vials in both 10 ml and 20 ml, clear and amber glass, manufactured from Type I Borosilicate Glass (1rst Hydrolytic). The use of 1.25 mm average wall weight glass serves as added protection against bursting when internal pressures build.
Read MoreDionex Demonstrates Simple, Reliable, and Accurate Analytical Method to Quantify LactoseAug 19, 2010
Dionex announces a sensitive and accurate new method to extract, separate, and quantify lactose and lactulose in dairy products using high-performance anion-exchange chromatography with pulsed amperometric detection (HPAEPAD) in combination with the CarboPac® PA20 analytical column.
Read MoreJenway 73 series spectrophotometers can be prescribed to measure aspirin concentrationAug 19, 2010
Commonly included in chemistry courses to demonstrate the principle of using light to measure concentration, analysis of aspirin tablets can be carried out accurately by two different methods using Jenway's 73 series spectrophotometers.
Read MoreThermo Fisher Scientific Enables Rapid and Accurate Analysis of Selenium in ShampooAug 17, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, today released a new method guide for the analysis of selenium in shampoo. The method, which aligns with the European Union commission directive 97/73/EEC stipulating the methods of analysis necessary for checking composition of cosmetic products, features the Thermo Scientific iCE 3000 Series atomic absorption spectrometers.
Read MoreMinerals, metals and the Malvern Morphologi!Aug 13, 2010
Particle characterization by image analysis using the Morphologi G3 from Malvern Instruments is proving valuable in a diverse range of mineral and metals applications. The shape and size of mineral and metal particles can play an important role in determining process efficiency and final product quality in applications spanning the measurement of metal powders for Metal Injection Moulding (MIM) to the production of mineral-based cosmetics
Read MoreDionex Introduces New Size-Exclusion Chromatography Column for Monoclonal Antibody SeparationsAug 9, 2010
Dionex Corporation is pleased to announce the introduction of a new size-exclusion chromatography (SEC) column-the MAbPacTM SEC-1-which is designed for separating monoclonal antibodies, their aggregates, and fragments under non-denaturing conditions, including high/low salt mobile phases and MS compatible mobile phases
Read MoreNew Malvern presentation tackles the Aug 6, 2010
Dr Jean-Luc Brousseau from the separations systems team at Malvern Instruments has recorded a downloadable presentation that helps illustrate the importance of specific analytical details when characterizing protein or polymer solutions. In "On the overlooked second virial coefficient" he explains the reasons why and how protein and polymer scientists can improve characterization results by measuring the 2nd virial coefficient, using either static light scattering or gel permeation chromatography/size exclusion chromatography (GPC/SEC).
Read MoreThermo Fisher Scientific Develops New Method to Eliminate High Boiling Matrix Contamination in GC and GC/MS Analyses of Pesticides in FoodAug 4, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, today announced a new method to effectively eliminate invisible high boiling matrices in the analysis of pesticides in food. Incorporating a programmable temperature vaporizing (PTV) injector, the Thermo Scientific TRACE GC Ultra GC/MS analyzer achieves sensitive, fast and reliable analysis of pesticides in low fat food products, significantly enhancing the productivity and efficiency of gas chromatography (GC) and gas chromatography mass spectrometry (GC/MS) systems for analyzing pesticides in food, while eradicating high boiling matrix.
Read MoreThermo Fisher Scientific Demonstrates Superiority of Data-Dependent Decision Tree LogicJul 23, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, today announced a new application note entitled "Enhancing Phosphotyrosine Proteome Coverage using a Combined ETD and CID Approach on a LTQ Orbitrap XL ETD".
Read MoreThermo Fisher Scientific Delivers New Triple Quadrupole GC/MS/MS Method to Facilitate Highly Selective Trace-level Screening of PCDD/Fs and PCBsJul 21, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, today announced a new method for the trace-level screening of polychlorinated dioxins/furans (PCDD/Fs) and polychlorinated biphenyls (PCBs) in food products, following the analytical strategy of the well established U.S. Environmental Protection Agency (EPA) Method 1613A.
Read MoreThermo Fisher Scientific Mass Spec Certified Vials Presentation Downloadable from New WebsiteJul 14, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, has today made the poster presentation ‘How clean are your vials and closures?' downloadable from its website, www.nationalscientific.com/cleanvials.
Read MoreConsistent, Accurate and Precise ICP DataJul 13, 2010
With growing numbers of laboratories requiring top quality data - Warwick Analytical Service has produced an analytical service note that demonstrates the accurate and precise ICP data the company routinely achieves for determination of trace metals in organic and inorganic materials.
Read More
