Хімія та хімічні технології

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Subject: search.filters.subject.polyvinylpyrrolidone

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    Polyvinylpyrrolidone Matrix as an Effective Reducing Agent and Stabilizer during Reception of Silver Nanoparticles in Composites
    (Видавництво Львівської політехніки, 2013) Semenyuk, Nataliya; Kostiv, Ulyana; Dudok, Galyna; Nechay, Jaroslav; Skorokhoda, Volodymyr
    The use of polyvinylpyrrolidone matrix as an effective reducing agent and stabilizer during reception of silver nanoparticles in composites is substantiated. The influence of various factors on patterns of obtaining silver nanoparticles and their size.
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    Modelling of controlled drug release from the solid phase through hydrogel membranes
    (Видавництво Львівської політехніки, 2013) Melnyk, Yuriy; Dzyaman, Iryna; Antoniuk, Viktoria; Skorokhoda, Volodymyr
    The cross-linked copolymers of the 2-hydroxyethylmethacrylate with polyvinylpyrrolidone as granules and membranes were synthesized and their penetration and sorption-desorption properties were investigated. The masstransfer model of hard soluble surface through the hydrogel shell was offered. The developed materials are able to creation as capsule and granule polymer forms of the substances prolonged freeing.