The hexahistidine containing organophosphorus hydrolase enzyme and bacterial cellulose based functional materialsстатья
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Дата последнего поиска статьи во внешних источниках: 11 ноября 2019 г.
Аннотация:Bacterial cellulose (BC) is a unique biopolymer for creation on its basis functional
materials used as drugs, matrices for regenerative therapy, dressings, etc. In this study, the
possibility of combining of BC with hexahistidine containing organophosphorus hydrolase
(His6-OPH), exhibiting lactonase activity against gram-negative pathogenic bacteria is
considered to obtain composite materials with special properties. The dry and wet samples of
fibrous BC, impregnated with solutions of the His6-OPH enzyme and various antimicrobial
agents were obtained; their catalytic characteristics were investigated. The preservation of the
enzymatic activity of the His6-OPH enzyme in the composition of the obtained samples with
BC, including after the lyophilization process, has been established. The stabilization of the
enzymatic activity of His6-OPH in the composition of fibrous materials in the presence of
poly(aspartic) acid and antimicrobial agents is shown.