Gegel Natalia O. RussiaSaratovSaratov State University , 83, Astrakhanskaya str., Saratov, 410012, Russia заместитель начальника отдела высокомолекулярных соединений ОНИ НС и БСкандидат химический наукGegelNO@yandex.ru, gegel@yandex.ru Author's articles Influence of the Modifying Additive Nature on the Rheological Properties of the Concentrated Chitosan–Organic Acid–Water System Physico-mechanical Properties of Silicon-chitosan-containing Glycerohydrogels Plates Based on Chitosan L- and D-ascorbates Influence of Ascorbic Acid Isoforms on the Hydrodynamic Behavior of Chitosan Ascorbate Macromolecules in Aqueous Solution