Journal
ORGANIC LETTERS
Volume 11, Issue 13, Pages 2768-2771Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol900929g
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- Thailand Research Fund (TRF)
- 90th Anniversary of Chulalongkorn University Fund (Ratchadaphiseksomphot Endowment Fund)
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A series of water-soluble fluorescent dendritic compounds composed of phenylene-ethynylene repeating units and anionic carboxylate or cationic ammonium peripheral groups were synthesized. The first generation fluorescent dendrimer containing nine phenylene-ethynylene units and six carboxylate peripheral groups exhibited a highly selective fluorescence quenching by Hg2+ ions. The Stern-Volmer constant (K-sv) was 33,700 M-1 in aqueous media in the presence of Triton X-100 surfactant.
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