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Cyclodextrin-induced Color Changes in Polymerized Diacetylene Langmuir-Schaefer Films

Year: 2003

Journal: Chemistry Letters Vol.32, No.3 (2003), 20111221

Authors: Jae-Taek Cho, Sung-Min Woo, Dong June Ahn, Kwang-Duk Ahn, Haiwon Lee, and Jong-Man Kim

Organizations: Department of Chemical and Biochemical Engineering, Korea University, Seoul 136-701, Korea †Biomaterials Research Center, Korea Institute of Science and Technology, P.O. Box 131, Cheongryang, Seoul 130-650, Korea ††Department of Chemistry, Hanyang University, Seoul 133-791, Korea †††Department of Chemical Engineering, College of Engineering, Hanyang University, Seoul 133-791, Korea

We have observed the first example of a cyclodextrininduced color change of polymerized diacetylene film sensor. The PDA film, prepared from a diacetylene monomer containing a terminal anilide moiety was found to preferentially interact with a-cyclodextrin causing a color transition which is both time and concentration dependent.