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Our focus theme SEC (Size Exclusion Chromatography) informs you about current market trends. Get an overview about product innovations, current publications from research and business and the most important suppliers in the marketplace.
dichrom - formerly SeQuant GmbH – is concentrating on the distribution and support of high quality products for liquid chromatography synthesis and isolation. The personal and individual customer support is of substantial importance for dichrom. Here a competent and comprehensive product and applica more
Tosoh Bioscience is an acknowledged global leader in the field of liquid chromatography with a focus on bioseparations. Tosoh’s portfolio of over 500 specialty products encompasses GPC instruments and a comprehensive line of media and prepacked HPLC columns for all common modes of liquid chromatogra more
Proteins can be analyzed or purified up to 3x faster with pressure-resistant glass columns of KNAUER Bioline and specially reinforced agarose media more
Wyatt's revolutionary DAWN HELEOS II Multi-Angle Light Scattering (MALS) Detector can incorporate both MALS and QELS into a single unit more
EcoSEC is a compact all–in–one system for high throughput analysis of natural or synthetic polymers by semi-micro gel permeation chromatography (GPC/SEC) more
We are pleased to introduce Shodex new catalog to you. It covers a wide product range including RP, NP, GPC, GFC (SEC), IC, IEX, Chiral and Affinity-Chromatography more
Tosoh Bioscience, a leading supplier of SEC technology, presents a new brochure featuring the use of TSKgel columns for SEC with aqueous mobile phases more
The new catalog provides a comprehensive and up-to-date overview on the complete range of TSKgel HPLC columns and delivers basic information on the more
Materials characterization company Malvern Instruments has acquired Viscotek Corporation, provider of chromatography solutions for the characterization of natural and synthetic polymers and proteins. According to the company, the acquisition of Viscotek brings new and complementary technologies and more
Varian, Inc. announced that it has acquired PL International Limited, and its subsidiaries including Polymer Laboratories Ltd. for approximately $42 million in cash net of acquired cash, subject to certain net asset adjustments. The transaction also includes an opportunity for additional purchase pr more
Waters® new HSPgel columns are specifically designed for high speed gel permeation chromatography (GPC). The HSPgel columns offer fast, accurate and precise molecular weight polymer determinations as well as increased sample throughput and greatly reduced solvent consumption and disposal costs. Wi more
One of the most widely used water-soluble polymers is Polyvinylpyrrolidone (PVP). For more than 70 years it is applied in a variety of applications in medicine, pharmacy, cosmetics and industrial production. PVP binds to polar molecules exceptionally well. It supports the solubility of tablets in water, makes the glue stick adhesive and plays an essential role in the production of membranes. In ceramic, paper and dye applications, it produces visual effects such as gloss and brilliancy. As a food additive, PVP is a stabilizer (E1201). A characteristic feature of a certain polymer is its molecular weight distribution curve, which is usually obtained by SEC Analysis more
Multi-angle light scattering coupled to SEC or other fractionation methods can provide an absolute means for measuring the molar mass, size and distribution of proteins, polymers and particles of all sorts. Wyatt Technology's MALS also enables the elucidation of additional data such as branching, conformation, and eluent behaviour. The same instrumentation also allows observation of molecular interactions in a real-time environment. As MALS is an absolute mass and size measuring technique it is insensitive to the separation mechanism and as such is ideal for both highly variable research applications as well as routine quality assurance of previously characterised samples more
Gel permeation chromatography (GPC) or also named size exclusion chromatography (SEC) is the most often used method for determining the molecular weight of natural and synthetic macromolecules. One specific strength of this method lies in the fact that by the separation process the whole molecular weight distribution is obtained. The molecular weight distribution contains much larger information for the characterization of polymer samples compared to a single value. more
ABSTRACT Polyisoprene‐block‐poly(vinyl trimethylsilane) (PI‐b‐PVTMS) block copolymers having different isoprene contents are successfully chemically modified and characterized by proton nuclear magnetic resonance spectroscopy (1H‐NMR), Fourier transform infrared spectroscopy, gel permeation chro more
A novel polysaccharide-based zwitterionic copolymer, agarose-graft-poly[3-dimethyl (methacryloyloxyethyl) ammonium propanesulfonate] (agarose-g-PDMAPS) with UCST, depending both on hydrogen bonding and electrostatic interaction, was synthesized by ATRP, and its aggregation behavior in aqueous media more
Abstract The properties of Jxsac 2, a new polysaccharide from potato starch with low cost, were characterized to determine its physico‐chemical, morphological, pasting and thermal properties, and in vitro digestibility. Results showed that Jxsac 2 is produced from starch with limited degradatio more
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Educational Products For Colleges and Schools . PRODUCT Educational Products for Colleges and Schools - full pdf Introduction Selection Guide ● Molecular Biology Educational Products Basic Molecular Biology Techniques: Agarose Gel Electrophoresis Teaching Kit Restriction Digestion Teaching Kit more
Size exclusion chromatography Size exclusion chromatography (SEC) is a chromatographic method in which particles are separated based on their size, or in more technical terms, their hydrodynamic volume . It is usually applied to large molecule ... more
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