Innovative preparation of bacterial cellulose/silver nanocomposite hydrogels: In situ green synthesis, characterization, and antibacterial properties

In this study, an innovative in situ green strategy was applied to prepare bacterial cellulose/silver nanocomposites using green tea as a substrate for the fermentation of Acetobacter xylinum bacteria and a reducing agent for the in situ synthesis of silver nanoparticles. The samples were analyzed b...

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Bibliographic Details
Published in:Journal of applied polymer science 2021-02, Vol.138 (6), p.n/a
Main Authors: Fadakar Sarkandi, Aida, Montazer, Majid, Harifi, Tina, Mahmoudi Rad, Mahnaz
Format: Article
Language:English
Subjects:
Atomic absorption analysis
Atomic beam spectroscopy
Bacteria
biomaterials
biosynthesis of polymers
Cellulose
cellulose and other wood products
E coli
Emission analysis
Fermentation
Field emission microscopy
Green tea
Hydrogels
Materials science
membranes
Nanocomposites
nanocrystals
Nanoparticles
nanowires
Polymers
Reducing agents
Silver
Spectrum analysis
Substrates
Synthesis
Water absorption
Wound healing
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Summary:In this study, an innovative in situ green strategy was applied to prepare bacterial cellulose/silver nanocomposites using green tea as a substrate for the fermentation of Acetobacter xylinum bacteria and a reducing agent for the in situ synthesis of silver nanoparticles. The samples were analyzed by different characterization tests including field emission scanning electron microscopy (FESEM), X‐ray diffraction analysis (XRD), UV–vis spectroscopy, atomic absorption spectroscopy, and ATR. The results indicated the excellent antibacterial activities with 100% bacterial reduction percentage and inhibition zones of 2.6 and 2.8 cm against S. aureus and E. coli, respectively. Moreover, water absorption percentage and vertical wicking measurements supported the hydrogel properties of the prepared bio‐cellulose/silver nanocomposites. Finding of this research suggested the potential of the proposed green route for preparing antibacterial BC which can be regarded as a candidate for future wound healing applications.
ISSN:0021-8995
1097-4628
DOI:10.1002/app.49824