Preparation and characterization of silver-chitosan nanocomposite particles with antimicrobial activity
作者： Jing An , Qingzhi Luo , Xiaoyan Yuan , Desong Wang , Xueyan Li
DOI: 10.1002/APP.33532
关键词:
摘要: A nanocomposite of silver nanoparticles (AgNPs) embedded in chitosan (Cts) matrix was successfully synthesized by crosslinking technology. Colloidal AgNPs formed situ chemical reduction ions presence Cts showed a good stability. Transmission electron micrographs, X-ray diffraction patterns, and UV-visible spectra Ag-Cts composite particles confirmed the formation nanocrystals. Fourier transform infrared spectroscopy verified as stabilizing agent surrounded AgNPs. Thermogravimetric-differential scanning calorimeter analysis revealed had higher thermal stability than Cts. photoelectron suggested that Ag-O bond coule lead to tight combination between Microbial experiments excellent wide spectrum antibacterial properties, were more efficient either or alone for inactivating bacteria. Therefore, resultant could be used antimicrobial materials medical biological applications. © 2011 Wiley Periodicals, Inc. J Appl Polym Sci, 2011.
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