화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.16, No.3, 380-384, May, 2010
DOI10.1016/j.jiec.2009.09.066  Export Citation
Amperometric glucose biosensor by means of electrostatic layer-by-layer adsorption onto polyaniline-coated polyester films
Young Jae Shin, Sun Hee Kim1, Do Hyeon Yang2, Hyoshik Kwon3, and Jae Sup Shin3, †
  • Department of Electrical and Computer Engineering, Texas A&M University, College Station, TX 77843, USA
  • 1Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk 361-763, Republic of Korea
  • 2Korea Automotive Technology Institute, Chonan, Chungnam 330-912, Republic of Korea
  • 3Department of Chemistry Education, Chungbuk National University, Cheongju, Chungbuk 361-763, Republic of Korea
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An amperometric glucose biosensor was fabricated using polyaniline-coated polyester films. Polyaniline was reacted with camphorsulfonic acid to produce a salt, which was then dissolved in chloroform containing polystyrene. Using this solution, the coating was performed onto polyester films. Glucose oxidase was immobilized onto these films using an electrostatic layer-by-layer adsorption technique. In this method, poly(diallyldimethylammonium chloride) was used as the counter ion source. The level of adsorption was examined and the evidence of layer-by-layer adsorption was obtained using a quartz crystalmicrobalance technique. A biosensor was fabricated from these films as a working electrode, and used to measure the glucose concentration accurately.
Keywords:Glucose biosensor;Polyaniline;Electrostatic layer-by-layer adsorption
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