Selective and sensitive ratiometric detection of Hg(II) ions using a simple amino acid based sensor |
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| Authors: | Yang Mi-Hwa Thirupathi Ponnaboina Lee Keun-Hyeung |
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| Institution: | Bioorganic Chemistry Laboratory, Department of Chemistry, Inha University, 253-Yunghyun-dong, Nam-gu, Incheon, 402-751, South Korea. |
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| Abstract: | Synthesis of a novel pyrene derivative sensor (Py-Met) based on amino acid and its fluorescent behavior for Hg(II) in water was investigated. Upon Hg(II) binding, the Py-Met-bearing sulfonamide group exhibited a considerable excimer emission at 480 nm along with a decrease of monomer emission at 383 nm. Py-Met allows a selective and sensitive ratiometric detection of Hg(II) without any interference from other metal ions. |
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