Water

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  • Help in the Search for the Needle in the Haystack

    In the earth and environmental sciences, radioactive isotopes, atom variants that decay over time, play a major role in age determination. A radioactive isotope of the inert gas argon (39Ar), for example, is used to determine the age of water or ice. Such isotopes are extremely rare, however – only more

  • "Funnel" attracts bonding partners to biomolecule

    Water is a ubiquitous solvent in all life sciences – sometimes referred to as the "matrix of life". Contrary to earlier assumptions, it is not a passive witness of biochemical processes; rather, it participates in them actively. By influencing the movement of water molecules surrounding their bindin more

  • Researchers Part Water

    Using an "electric prism", scientists have found a new way of separating water molecules that differ only in their nuclear spin states and, under normal conditions, do not part ways. Since water is such a fundamental molecule in the universe, the recent study may impact a multitude of research areas more

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  • UV/Vis/NIR Spectrometry for the Film Thickness Determination of Transparent Films and Layers

    Within nearly all branches of industry we find products, which are coated with thin transparent layers to improve the surface features: Window sheet glasses obtain changes in reflection and absorption behavior, ceramics are treated with coatings to lower water adhesion, coatings on metals create corrosion resistance or better sliding factors. Transparent coatings play also a major role in the semiconductor business. One of the important features to be determined and controlled is the thickness of the layers to balance performance and material input during development and production more

  • New Silicone Technologies for Skin Care

    In today's competitive skin care market, consumers look for a range of benefits, superior aesthetics and cost effectiveness. In response, formulators strive to create products that are multifunctional, easy to use and effective in small quantities. At the same time, the most successful products deliver benefits that stand out from those of the competition. Creams, lotions and color cosmetics must be easy to spread and comfortable to wear, without feeling tacky or greasy. Silicones have been popular ingredients in skin care products for more than fifty years. These versatile materials are known for their emolliency, wetting and spreading characteristics and ability to provide unique aesthetics. As technology continues to evolve, silicones increasingly offer multifunctional, high performance properties. This article reviews some of the newest silicone technologies available for the formulation of innovative skin care products more

  • Enzymatic Protein Digest for Mass-spectrometric Analysis

    The main focus in proteomic studies is on the identification of proteins in given biological samples. Proteins isolated and separated from a given sample (e.g., whole cell lysates, blood or tissue, protein complexes) by immunoprecipitation or affinity chromatography or two-dimensional electrophoresis must be proteolytically cleaved in the course of sample preparation for identification and characterization. A reproducible cleavage pattern of digested proteins is a prerequisite for the unambiguous identification of these proteins by mass spectrometry (MS). more

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Applied Thermal Control - Recirculating Chillers

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AstraNet Systems - Manufacturer and supplier of spectrometers, fluorimeters, spectrophotometers from

home products news applications technical profile contact distributors AstraNet Systems Ltd is a specialist supplier and manufacturer to the UK European and Worldwide spectroscopy market. AstraNet Systems Ltd is a specialist supplier of standard or custom designed spectrophotometers for laboratory, more

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