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Synthesis and characterization of chitosan-PEG-Ag nanocomposites for antimicrobial application
K S V Krishna Rao1, P Ramasubba Reddy2, Yong-Ill Lee3
1Department of Chemistry, Yogi Vemana University, Kadapa 516 003, India; Department of Chemistry, Changwon National University, Changwon, South Korea.
Abstract:
New chitosan nanocomposites doped with silver nanoparticles were synthesized by a simple method. The chitosan particles were prepared by desolvation followed by crosslinking with poly(ethylene glycol-di-aldehyde), this was prepared with poly(ethylene glycol) in the presence of a silver nitrate solution. The developed nanocomposites were characterized using UV-visible, FTIR, XRD, TGA, SEM and TEM to understand their physico-chemical properties. These nanocomposites were shown to have anti bacterial activity towards Escherichia coli.

