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  1. No Access

    Article

    Development, preparation, and testing of VAQTA®, a highly purified hepatitis A vaccine

     Manufacture of VAQTA®, an inactivated hepatitis A vaccine, uses state-of-the-art technologies in cell culture and bioprocessing science, which have made it possible to routinely produce the vaccine at manufactur...

    A. Hagen, J. Aunins, P. DePhillips, C. B. Oswald… in Bioprocess Engineering (2000)

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    Article

    Ein neues Prinzip enzymatischer Analyse

    Enzymes fixed to a water-insoluble carrier can be applied for analysis in the same way as inorganic catalysators. They can be used continuously and with a single defined activity more than 10000 determinations...

    H. U. Bergmeyer, A. Hagen in Fresenius' Zeitschrift für analytische Chemie (1972)