National Changhua University of Education Institutional Repository : Item 987654321/10100
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题名: A Water-soluble Ribosyl-based Fluorescent Sensor for Hg2+ and Cu2+ Ions
作者: Chen, Yi-Bin;Wang, Yan-Jhang;Lin, Yi-Jen;Hu, Ching-Han;Chen, Shau-Jiun;Chir, Jiun-Ly;Wu, An-Tai
贡献者: 化學系
关键词: Fluorescent sensor;Anthracene;Triazole ring;Water-soluble
日期: 2010-05
上传时间: 2012-05-03T06:18:16Z
出版者: Elsevier
摘要: A water-soluble ribosyl-based fluorescent sensor 5 was prepared. The sensor contains an anthracene as the fluorophore and a set of complex groups as recognition sites, which bears two triazole ring spacers linked to two ribosyl carboxylic acids groups. The association constants of 5 in water are 2.15 × 105 M−1 and 9.57 × 104 M−1 for Cu2+ and Hg2+ ions, respectively, and both metals formed complexes with 5 at a 1:1 metal to ligand ratio. The binding of 5 to Cu2+ shows a broad pH range (5–10) and a low detection limit (57 ppb) in water, thus indicating it an efficient and promising cation probe.
關聯: Carbohydrate Res., 345(7): 956-959
显示于类别:[化學系] 期刊論文

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