Characterization of a Hg(2+)-Selective Fluorescent Probe Based on Rhodamine B and Its Imaging in Living Cells.
Characterization of a Hg(2+)-Selective Fluorescent Probe Based on Rhodamine B and Its Imaging in Living Cells.
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DOI:
10.3390/molecules26113385
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发表时间:
2021-06-03
期刊:
影响因子:
--
通讯作者:
Zhang J
中科院分区:
文献类型:
--
作者:
Zhang W;Yu C;Yang M;Wen S;Zhang J
A small organic molecule P was synthesized and characterized as a fluorometric and colorimetric dual-modal probe for Hg2+. The sensing characteristics of the proposed probe for Hg2+ were studied in detail. A fluorescent enhancing property at 583 nm (>30 fold) accompanied with a visible colorimetric change, from colorless to pink, was observed with the addition of Hg2+ to P in an ethanol-water solution (8:2, v/v, 20 mM HEPES, pH 7.0), which would be helpful to fabricate Hg2+-selective probes with “naked-eye” and fluorescent detection. Meanwhile, cellular experimental results demonstrated its low cytotoxicity and good biocompatibility, and the application of P for imaging of Hg2+ in living cells was satisfactory.
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