Recent Articles in Separation science - Articles and Application notes
Thermo 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 MoreReverse engineering tablets for counterfeit investigationsJul 13, 2010
Chemical imaging specialists at Malvern Instruments are demonstrating how data derived from reverse engineering of pharmaceutical tablets can aid the fight against counterfeit drugs. Using the SyNIRgi near infrared chemical imaging (NIRCI) system they have been able to collect data detailed enough to characterize the formulation and processes used to create individual dosages
Read MoreThermo Fisher Scientific Introduces New Application Note Demonstrating Capabilities of NanoDrop 3300 for Cancer ResearchJul 1, 2010
Thermo Fisher Scientific Inc., the world leader in serving science, today introduced a new application note demonstrating how the Thermo Scientific NanoDrop 3300 enables cancer researchers to study DNA methylation events and polyamine induced DNA G-quadruplex formations by microvolume fluorometry.
Read MoreNew Metrohm brochure and webpage 'Surface finishing'Jun 30, 2010
Metrohm has been a solution provider to the surface finishing and electronics industry for many years. The new brochure Surface finishing presents instrumentation and applications on quality control of process baths applied in surface finishing and PCB production – including monitoring of waste water.
Read MoreDionex Releases Standalone Ultrahigh-Pressure Pump for Proteomics Workflows Using Liquid ChromatographyJun 29, 2010
Dionex Corporation is pleased to announce the expansion of its family of industry-leading Rapid Separation LC (RSLC) systems with the new UltiMate® 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 μL/min at backpressures of up to 800 bar (11,600 psi) for nano, capillary, and micro LC analyses.
Read MoreSimple Thin Film Measurement with the New NIR Extended Spectral Range of Auto SEJun 28, 2010
HORIBA Scientific has extended the spectral range of the Auto SE in the Near Infra Red, with the instrument now covering the wavelength range from 440 to 1000 nm. The enhanced performance makes it ideal for automatic characterization of photovoltaic, semiconductor, flat panel display and optoelectronic thin film applications.
Read MoreReversed-Phase HPLC: Columns, Dimensions and Testing Part 2: Application AreasJun 28, 2010
In the second part of this ongoing series we discuss some selected application areas and the types of test procedures that should be considered for reversed-phase HPLC columns.
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