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Issue 88, 2017
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A colorimetric and far-red fluorescent probe for the highly sensitive detection of silver(I)

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Abstract

Herein, a potential colorimetric and far-red fluorescent probe DCPS-1 for Ag+ was rationally developed based on a dicyanomethylene-4H-chromene chromophore. Its prominent and distinct changes in both color and fluorescence enable the on-site and naked-eye detection of Ag+ easily and quickly, accompanied with excellent sensitivity. No absorption and fluorescence response could be observed towards other metal ions. The fluorescence intensity of this probe showed a linear response to Ag+ in the concentration range of 0–10 μM with a detection limit of 21.1 nM. In addition, this probe had low toxicity to cells and gave distinct fluorescence changes in cell imaging. All these results demonstrate its promising application prospects for Ag+ sensing in both environmental and biology fields.

Graphical abstract: A colorimetric and far-red fluorescent probe for the highly sensitive detection of silver(i)

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Publication details

The article was received on 30 Oct 2017, accepted on 01 Dec 2017 and first published on 07 Dec 2017


Article type: Paper
DOI: 10.1039/C7RA11933J
Citation: RSC Adv., 2017,7, 55567-55570
  • Open access: Creative Commons BY-NC license
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    A colorimetric and far-red fluorescent probe for the highly sensitive detection of silver(I)

    Y. Wang, J. Liu, H. Tan, J. Yan and L. Zhang, RSC Adv., 2017, 7, 55567
    DOI: 10.1039/C7RA11933J

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