期刊
JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY
卷 17, 期 2, 页码 293-297出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jiec.2011.02.026
关键词
Semi-interpenetrating network hydrogels; Silver nanoparticle; Antibacterial activity
资金
- Ministry of Education, Science and Technology (Active Polymer Center for Pattern Integration at Yonsei University) [2009-0084190, R11-2007-050-03002-0]
- Ministry of Knowledge Economy, Republic of Korea
- Seoul Research and Business Development Program [10816]
In this investigation, we prepared semi-interpenetrating network (IPN) hydrogels composed of pluronic and poly(acrylamide), using free radical polymerization with a redox initiator system in the presence of N,N'-methylenebisacrylamide. The hydrogels served as templates for producing highly stable and uniformly distributed silver nanoparticles via in situ reduction of silver nitrate (AgNO3) using sodium borohydride (NaBH4) as reducing agent. We confirmed the formation of silver nanoparticles using ultraviolet visible (UV-vis) spectroscopy and X-ray diffraction (XRD). Stability and morphology of the nanoparticles was examined using thermogravimetric analysis (TGA), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). Finally, we demonstrated the presence of antibacterial activity in the developed hydrogel-silver nanocomposite. (C) 2011 The Korean Society of Industrial and Engineering Chemistry. Published by Elsevier B.V. All rights reserved.
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