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electrophoresis product Applications

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    Determination of protein purity and heterogeneity with capillary gel electrophoresis and capillary isoelectric focusing

    INTRODUCTION

    Antibodies, protein-based therapeutics, and other recombinant proteins are final products in biotechnological and pharmaceutical industry. Determination of their purity, stability, and hetero geneity is of utmost importance since post-translational modifications as well as degradation processes can change drastically the biological activity of these proteins.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of Anions in Beverage

    Introduction

    The method is used for the determination of the mass concentration of chloride, sulfate, and nitrate in beverages by capillary electrophoresis. The method can be applied for all types of non-alcoholic and alcoholic beverages including sport and energetic drinks, juices, beer and beer products, wines, brandy and spirits, liquors, and vodka.

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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    Determination of total sulfur dioxide in wine and beer

    Method allows determination of mass concentration of total sulfur dioxide (sulfurous acid and its salts, food additives E220–E228) in wine, wine materials, beer and beer products by capillary electrophoresis (CE) using capillary electrophoresis system “CAPEL® -105M”. The mass concentration of total sulfur dioxide is regulated by normative documents to be held within 100– 400 mg/L for different types of wine and wine materials and within 20–50 mg/L for beer products. According to European and Russian regulations it is allowed not to indicate on the labels the presence of sulfur dioxide in beverages if its concentration is less than 10 mg/L. 

    By Lumex Instruments Group based in Mission, BRITISH COLUMBIA (CANADA).

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