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Cyclodextrin-lnduced fluorescence enhancement of an ionic polyacetylene having phenylethylpyridinium groups
- Authors
- Lee, Sang Mi; Lee, Ji Seok; Kim, Jong Man
- Issue Date
- Mar-2007
- Publisher
- Wiley-Blackwell
- Keywords
- Chemosensor; Cyclodextrin; Fluorescence; Ionic polyacetylene
- Citation
- Macromolecular Symposia, v.249-250, pp.67 - 70
- Indexed
- SCOPUS
- Journal Title
- Macromolecular Symposia
- Volume
- 249-250
- Start Page
- 67
- End Page
- 70
- ISSN
- 1022-1360
- Abstract
- A phenylethylpyridinium substituted polyacetylene PA-PEP has been prepared in a straight forward manner by the reaction of 2-ethylnylpyridine with (2-bromoethyl)benzene. The UV-visible maximum of this ionic polyacetylene undergoes a bathochromic shift in the presence of β-cyclodextrin. In contrast, a negligible bathochromic shift is observed in the presence of a- or 7-cyclodextrin. In addition, the most prominent enhancement fluorescence intensity of the polyacetylene was observed with β-cyclodextrin when it interacts with cyclodextrins. It is proposed that the observed fluorescence perturbations are a consequence of the inclusion complex formed between β-cyclodextrin and the polyacetylene side-chain.
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Collections - 서울 공과대학 > 서울 화학공학과 > 1. Journal Articles
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Related Researcher
- Kim, Jong Man
- COLLEGE OF ENGINEERING (DEPARTMENT OF CHEMICAL ENGINEERING)