期刊
INTERNATIONAL JOURNAL OF POLYMER ANALYSIS AND CHARACTERIZATION
卷 22, 期 8, 页码 734-740出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/1023666X.2017.1369612
关键词
Antibacterial activity; cellulose; in situ generation; silver nanoparticles
In the present work, silver nanoparticles (AgNPs) were in situ generated in cellulose matrix using leaf extract of Azadirachta indica as a reducing agent. The cellulose/AgNP composite films prepared were characterized by FTIR, X-ray diffraction (XRD), scanning electron microscope, and antibacterial tests. The infrared spectra indicated the association of organic materials with silver nanoparticles to serve as capping agents. Scanning electron micrographs showed that synthesized silver nanoparticles were nearly uniform and spherical in shape with diameter in the range of 61-110nm. XRD confirmed the formation of AgNPs and Ag-O nanoparticles. The nanocomposite films showed good antibacterial activity against Escherichia coli bacteria.
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