화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.20, No.1, 91-95, January, 2014
DOI10.1016/j.jiec.2013.04.022  Export Citation
Sensing capability of molecularly imprinted self-assembled monolayer fabricated using dithiol compound
Min Jae Shin, Young Jae Shin1, and Jae Sup Shin2, †
  • Department of Chemical and Biomolecular Engineering, KAIST, Daejeon 305-701, Republic of Korea
  • 1Macromolecular Science and Engineering, University of Michigan, Ann Arbor, MI 48109, USA
  • 2Department of Chemistry, Chungbuk National University, Cheongju, Chungbuk 361-763, Republic of Korea
E-mail:
Synthesis of 3,5-di(6-mercaptohexyloxy)toluene (DMHT) was achieved starting from orcinol. A molecularly imprinted self-assembled monolayer (SAM) was fabricated by forming an SAM with both DMHT and the template molecule (cholesterol), followed by removal of the template molecules by solvent extraction. These imprinted SAMs were capable of discriminating the imprinted substrate. The stability of the imprinted SAMs was estimated precisely using a quartz crystal microbalance. In comparison to the results used monothiol compounds, the duration of the sensing capability of this imprinted SAM was improved greatly. The two thiol functional groups in DMHT clearly had a significant effect on the duration.
Keywords:Molecular imprinting;Self-assembled monolayer;Dithiol compound;Cyclic voltammogram;Cholesterol;Sensor
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