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Metal ion induced FRET On-Off in naphthyl-pyrenyl pendent tetrahomodioxacalix[4]arene
- Authors
- Jung, Ji Hee; Lee, Min Hee; Kim, Hyun Jung; Jung, Hyo Sung; Lee, Su Yeon; Shin, Na Ri; No, Kwanghyun; Kim, Jong Seung
- Issue Date
- Apr-2009
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- FRET; Fluorescence; Calixarenes; Homooxacalixarene; Copper
- Citation
- TETRAHEDRON LETTERS, v.50, no.17, pp 2013 - 2016
- Pages
- 4
- Journal Title
- TETRAHEDRON LETTERS
- Volume
- 50
- Number
- 17
- Start Page
- 2013
- End Page
- 2016
- ISSN
- 0040-4039
- Abstract
- A novel tetrahomodioxacalix[4]arene (7) bearing both naphthyl- and pyrenyl-amide pendants was synthesized as FRET-based fluorometric sensor for Cu2+ ion. Intramolecular FRET from the naphthalene emission to the pyrene absorption affords Cu2+ ion selectivity over other metal ions. Upon addition of Cu2+ ion, the complex solution of 7 gave a significantly decreased pyrene acceptor emission along with an enhancement of naphthalene donor emission via FRET On-Off event. (C) 2009 Elsevier Ltd. All rights reserved.
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