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Вид документа : Статья из журнала
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Автор(ы) : Volova, Tatiana G., Prudnikova, Svetlana V., Kiselev, Evgeniy G., Nemtsev I. V., Vasiliev A. D., Kuzmin, Andrey P., Shishatskaya, Ekaterina I.
Заглавие : Bacterial cellulose (BC) and BC composites: Production and properties
Коллективы : Ministry of Science and Higher Education of the Russian Federation [FSRZ-2020-0006]
Место публикации : Nanomaterials. - 2022. - Vol. 12, Is. 2. - Ст.192. - ISSN 2079-4991(eISSN), DOI 10.3390/nano12020192
Примечания : Cited References: 113. - This research was financially supported by the State Assignment of the Ministry of Science and Higher Education of the Russian Federation No. FSRZ-2020-0006
Предметные рубрики: SILVER NANOPARTICLES
GLUCONACETOBACTER-HANSENII
MICROBIAL CELLULOSE
Аннотация: The synthesis of bacterial cellulose (BC) by Komagataeibacter xylinus strain B-12068 was investigated on various C-substrates, under submerged conditions with stirring and in static surface cultures. We implemented the synthesis of BC on glycerol, glucose, beet molasses, sprat oil, and a mixture of glucose with sunflower oil. The most productive process was obtained during the production of inoculum in submerged culture and subsequent growth of large BC films (up to 0.2 m2 and more) in a static surface culture. The highest productivity of the BC synthesis process was obtained with the growth of bacteria on molasses and glycerol, 1.20 and 1.45 g/L per day, respectively. We obtained BC composites with silver nanoparticles (BC/AgNPs) and antibacterial drugs (chlorhexidine, baneocin, cefotaxime, and doripenem), and investigated the structure, physicochemical, and mechanical properties of composites. The disc-diffusion method showed pronounced antibacterial activity of BC composites against E. coli ATCC 25922 and S. aureus ATCC 25923.
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