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Selective detections of Hg2+ and F- by using tailor-made fluorogenic probes
Linköping University, Department of Physics, Chemistry and Biology, Molecular Surface Physics and Nano Science. Linköping University, Faculty of Science & Engineering. Shanghai Univ, Peoples R China.
Tongji Univ, Peoples R China.
Tongji Univ, Peoples R China.
Shanghai Univ, Peoples R China.
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2018 (English)In: Sensors and actuators. B, Chemical, ISSN 0925-4005, E-ISSN 1873-3077, Vol. 269, p. 368-376Article in journal (Refereed) Published
Abstract [en]

By ingeniously using a (imino)coumarin-precursor, three reactive fluorogenic probes of MP, FP, and FMP have been fabricated in a single facile synthetic route. MP and FP are able to respectively act as selective "turn-on" fluorescent probes for detecting Hg2+ and F- in buffer solution via specific analyte-induced reactions. Linear ranges for the detection of Hg2+ and F- are 0-10 mu M and 0-100 mu M with the limits of detection (LODs) of 4.0 x 10(-8) M and 1.14 x 10(-6) M (3 delta/slope), respectively. FMP is able to work as a molecular "AND" logic gate-based fluorogenic probe for monitoring the coexistence of Hg2+ and F- via a multistep reaction cascade. The analytes-induced sensing mechanisms have been determined by using high-performance liquid chromatography analysis (HPLC). In addition, three probes show negligible toxicity under the experimental conditions, and are successfully used for monitoring Hg2+ and F- in living cells with good cell permeability. The success of the work demonstrates that ingenious utility of specific analyte-induced reactions and conventional concepts on the appropriate molecular scaffold can definitely deliver tailor-made probes for various intended sensing purposes. (C) 2018 Published by Elsevier B.V.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 269, p. 368-376
Keywords [en]
Coumarin; Chemosensor; Mercury; Fluoride; "AND" logic gate
National Category
Analytical Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-149331DOI: 10.1016/j.snb.2018.04.164ISI: 000433211100044OAI: oai:DiVA.org:liu-149331DiVA, id: diva2:1229853
Note

Funding Agencies|Natural Science Foundation of Shanghai [17ZR1410500]; National Natural Science Foundation of China [21577098, 21477073]; Swedish Research Council (VR) [621-2013-5357]; Swedish Government strategic faculty grant in material science (SFO, MATLIU) in Advanced Functional Materials (AFM) (VR) [5.1-2015-5959]

Available from: 2018-07-02 Created: 2018-07-02 Last updated: 2018-08-10

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Available from 2020-05-05 01:20

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Hu, JiwenUvdal, KajsaHu, Zhang-Jun

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Hu, JiwenUvdal, KajsaHu, Zhang-Jun
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Molecular Surface Physics and Nano ScienceFaculty of Science & Engineering
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Sensors and actuators. B, Chemical
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