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Indole-based Fluorescent Sensors for Selective Detection of Hg2+

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Abstract

A series of indole-based fluorescent chemosensors 1–4 were prepared and investigated characteristick features with transition metal ions. Sensors 1 and 2 were selective for Hg2+ ion among a series of metal ions in H2O–DMSO with association constants of 4.60×104 and 5.90×104 M−1 and detection limits of 140 and 101.6 μM, respectively.

Indole-Based Fluorescent Sensors for Selective Detection of Hg2+.

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Acknowledgement

We thank the National Science Council of Taiwan for financial support.

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Authors and Affiliations

  1. Department of Chemistry, National Changhua University of Education, Changhua, 50058, Taiwan

    Yao-Lin Sun & An-Tai Wu

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  1. Yao-Lin Sun
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  2. An-Tai Wu
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Correspondence to An-Tai Wu.

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ESM 1

The experimental procedures and the 1H NMR, 13C NMR and ESI-MS spectra are available. Supplementary data associated with this article can be found. (DOC 1286 kb)

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Sun, YL., Wu, AT. Indole-based Fluorescent Sensors for Selective Detection of Hg2+ . J Fluoresc 23, 629–634 (2013). https://doi.org/10.1007/s10895-013-1190-1

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  • DOI: https://doi.org/10.1007/s10895-013-1190-1

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