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Fabrication of AgNPs/Nanocellulose Composite via Hydrothermal Method and Its Antibacterial Properties
Received:April 28, 2023  
DOI：10.11980/j.issn.0254-508X.2023.12.008
Key Words:silver nanoparticles  nanocellulose  antibacterial materials  hydrothermal method
Fund Project:国家自然科学基金项目 （51875214）。
Author NameAffiliationPostcode
WANG Qinwen* State Key Lab of Pulp and Paper Engineering， South China University of Technology， Guangzhou， Guangdong Province， 510640 510640
WANG Wenjun  
CHEN Wenjin  
TANG Aimin  
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Abstract:In this study， silver nanoparticles （AgNPs） were synthesized via hydrothermal method， and the AgNPs/nanocellulose composite （Ag-CNF） was prepared with TEMPO oxidized nanocellulose （TOCNF） as only carrier and dispersant， AgNO3 solution as the silver source. The effects of TOCNF content and Ag+ concentration on Ag-CNF properties were investigated. The results showed that the AgNPs synthesized with 1% TOCNF and Ag+ concentration of 10 mmol/L were evenly dispersed with no significant aggregation of large particles， of which the average particle size was 22.3 nm. The diameter of inhibition zone were 2.70 mm and 3.50 mm for Escherichia coli （E. coli） and Staphylococcus aureus （S. aureus）， respectively， showing a good antibacterial performance.
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