KSBB Journal

The Korean Society for Biotechnology and Bioengineering (한국생물공학회)
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Enhancement of Microbial Immobilization on the Surface of a Reticulated PU-g-PAAc Foam prepared through Graft Copolymerization induced by Atmosoheric Pressure Plasma Treatment

대기압 플라즈마 유도 그라프트 공중합으로 합성된 망상형 PU-g-PAAc 폼의 미생물 고정화능 향상

  • Myung Sung Woon (Department of Chemical Engineering, Chungnam National University) ;
  • Jang Yung Mi (Department of Chemical Engineering, Chungnam National University) ;
  • Nam Ki Chun (Department of Chemical Engineering, Chungnam National University) ;
  • Choi Ho Suk (Department of Chemical Engineering, Chungnam National University) ;
  • Cho Dae Chul (Department of Environmental Engineering, Soonchunhyang University)
  • 명성운 (충남대학교 공과대학 화학공학과) ;
  • 장영미 (충남대학교 공과대학 화학공학과) ;
  • 남기천 (충남대학교 공과대학 화학공학과) ;
  • 최호석 (충남대학교 공과대학 화학공학과) ;
  • 조대철 (순천향대학교 환경공학과)
  • Published : 2004.10.01
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Abstract

A reticulated PU-g-PAAc foam was modified through the surface treatment of PU foam by one atmospheric pressure plasma. The synthesized PU-g-PAAc foam was prepared for the purpose of immobilizing microbial organisms. We also attempted different plasma treatment methods including simple plasma treatment, plasma induced grafting and plasma induced grafting followed by plasma re-treatment. The effect of grafting on equilibrium water content (EWC) of PU forms was examined by swelling measurements. Adhesion test was performed to investigate the effect of different plasma treatment methods on the improvement of microbial immobilization. Two foams modified by plasma induced grafting and plasma re-treatment after grafting showed 2.7 and 3.0 fold higher microbial immobilization than unmodified one, respectively. Meanwhile, simple plasma treatment showed a little enhancement. FT-IR analysis of each sample verified the contribution of surface functional groups on the enhancement of microbial immobilization. SEM observation confirmed microbial adherence.

Keywords

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