화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.18, No.2, 586-590, March, 2012
DOI10.1016/j.jiec.2011.10.007  Export Citation
Synthesis of silver nanostructures on polytetrafluoroethylene (PTFE) using electron beam irradiation for antimicrobacterial effect
Hyo-Jin Yoon, Seong-Eun Kim1, Yong Ku Kwon1, Eun Jin Kim2, Jong-Chan Lee, and Yoon-Sik Lee†
  • School of Chemical and Biological Engineering, Seoul National University, Seoul 151-744, Republic of Korea
  • 1Department of Polymer Science and Engineering, Inha University, Incheon 402-751, Republic of Korea
  • 2Institute of Interventional Medicine, MITech Co., Ltd., Pyeongtaek 451-864, Republic of Korea
E-mail:
Polytetrafluoroethylene (PTFE, Teflon), a frequently utilized polymer for the fabrication of synthetic vascular graft, was surface-modified by electron beam irradiation. At the same time, the silver nanostructures were obtained on PTFE surface when exposed to an electron beam in silver ion solution. Results from FE-SEM characterization revealed that morphologies of the prepared silver nanostructures were in different shapes and sizes. The effect of electron beam current and the irradiation time on silver nanostructures formations were also investigated. In addition, we found that these prepared silver nanostructures on PTFE surface exhibited antimicrobial effect through qualitative evaluation method against Escherichia coli (ATCC 8739). This approach offered a new route for preparing silver nanostructures under electron beam irradiation, and the resulting PTFE vascular graft could be used as biocidal medical device.
Keywords:Polytetrafluoroethylene (PTFE);Silver nanostructure;Electron beam (e-beam) irradiation;Antibacterial effect
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