000889083 001__ 889083 000889083 005__ 20210208142402.0 000889083 0247_ $$2doi$$a10.3390/ma13092087 000889083 0247_ $$2Handle$$a2128/26831 000889083 0247_ $$2pmid$$a32369952 000889083 0247_ $$2WOS$$aWOS:000535941100081 000889083 037__ $$aFZJ-2021-00019 000889083 082__ $$a600 000889083 1001_ $$0P:(DE-HGF)0$$aIvanova, Lyubov A.$$b0 000889083 245__ $$aCrystal and Supramolecular Structure of Bacterial Cellulose Hydrolyzed by Cellobiohydrolase from Scytalidium Candidum 3C: A Basis for Development of Biodegradable Wound Dressings 000889083 260__ $$aBasel$$bMDPI$$c2020 000889083 3367_ $$2DRIVER$$aarticle 000889083 3367_ $$2DataCite$$aOutput Types/Journal article 000889083 3367_ $$0PUB:(DE-HGF)16$$2PUB:(DE-HGF)$$aJournal Article$$bjournal$$mjournal$$s1611079448_18544 000889083 3367_ $$2BibTeX$$aARTICLE 000889083 3367_ $$2ORCID$$aJOURNAL_ARTICLE 000889083 3367_ $$00$$2EndNote$$aJournal Article 000889083 520__ $$aThe crystal and supramolecular structure of the bacterial cellulose (BC) has been studied at different stages of cellobiohydrolase hydrolysis using various physical and microscopic methods. Enzymatic hydrolysis significantly affected the crystal and supramolecular structure of native BC, in which the 3D polymer network consisted of nanoribbons with a thickness T ≈ 8 nm and a width W ≈ 50 nm, and with a developed specific surface SBET ≈ 260 m2·g−1. Biodegradation for 24 h led to a ten percent decrease in the mean crystal size Dhkl of BC, to two-fold increase in the sizes of nanoribbons, and in the specific surface area SBET up to ≈ 100 m2·g−1. Atomic force and scanning electron microscopy images showed BC microstructure “loosening“after enzymatic treatment, as well as the formation and accumulation of submicron particles in the cells of the 3D polymer network. Experiments in vitro and in vivo did not reveal cytotoxic effect by the enzyme addition to BC dressings and showed a generally positive influence on the treatment of extensive III-degree burns, significantly accelerating wound healing in rats. 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