Literature DB >> 18470600

A novel Hg2+ selective ratiometric fluorescent chemodosimeter based on an intramolecular FRET mechanism.

Gui-Qin Shang1, Xia Gao, Mei-Xiu Chen, Hong Zheng, Jin-Gou Xu.   

Abstract

A irreversible Hg2+ selective ratiometric fluorescence probe FR, a fluorescein fluorophore linked to a rhodamine B hydrazide by a thiourea spacer, was designed and synthesized. The developed probe FR exhibited great ratiometric fluorescence enhancement and remarkable yellow-magenta color change toward Hg2+ with excellent selectivity in aqueous acetone solution, and the ratiometric fluorescence response to Hg2+ was not interfered by other metal cations including Fe3+, Co2+, Ni2+, Cr3+, Zn2+, Pb2+, Cd2+, Ca2+, Mg2+, Ba2+ and Mn2+. The linear range and the detection limit of this supposed ratiometric fluorescence method for Hg2+ were 0.0-10.0x10(-6) and 5x10(-8) M, respectively.

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Year:  2008        PMID： 18470600     DOI： 10.1007/s10895-008-0365-7

Source DB:  PubMed          Journal:  J Fluoresc        ISSN： 1053-0509            Impact factor:   2.217


  21 in total

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2.  Dual-Signaling Fluorescent Chemosensors Based on Conformational Restriction and Induced Charge Transfer The authors gratefully acknowledge the National Science Foundation for support of this research (CHE-9876333) and the Departmental NMR facilities (CHE-9709183), and the UC Toxic Substances Research and Teaching Program for support of this research.

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5.  A selective fluorescent ratiometric chemodosimeter for mercury ion.

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Journal:  Chem Commun (Camb)       Date:  2005-05-24       Impact factor: 6.222

6.  A highly sensitive and selective fluorescent chemodosimeter for Hg2+ in neutral aqueous solution.

Authors:  Fang-Ying Wu; Yong-Qiang Zhao; Zhao-Jun Ji; Yu-Mei Wu
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7.  Practical synthetic route to functionalized rhodamine dyes.

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  6 in total

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2.  A Novel Ratiometric Fluorescent Mercury Probe Based on Deprotonation-ICT Mechanism.

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Journal:  J Fluoresc       Date:  2013-10-15       Impact factor: 2.217

3.  A novel chemosensor based on rhodamine derivative for colorimetric and fluorometric detection of Cu2+ in aqueous solution.

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5.  A dansyl-rhodamine ratiometric fluorescent probe for Hg2+ based on FRET mechanism.

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6.  Energy Donor Effect on the Sensing Performance for a Series of FRET-Based Two-Photon Fluorescent Hg2+ Probes.

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Journal:  Materials (Basel)       Date:  2017-01-25       Impact factor: 3.623
  6 in total

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