Oxazine-thione-based Colorimetric Fluorescent OFF-ON Probes for Hg2＋ Recognition

Two colorimetric probes based on oxazine-thione la and lb for the detection of Hg2＋ were designed and synthesized. The probe la exhibits about a 70-fold enhancement in fluorescence and a color change alter the addition of Hg2＋ in acetonitrile/wate solvent, la was also highly selective to Hg2＋ over o...

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Published inChinese journal of chemistry Vol. 29; no. 12; pp. 2584 - 2590
Main Author 张欠欠 孙如 葛健锋 徐庆锋 李娜君 路建美
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag 01.12.2011
WILEY‐VCH Verlag
Wiley
Wiley Subscription Services, Inc
Subjects
Chemistry
Chemistry, Multidisciplinary
DFT calculation
DFT计算
fluorescence probe
mercury ion
OFF
Physical Sciences
Probes
Science & Technology
恶嗪
探头
比色法
汞
硫酮
荧光增强
DESIGN
SILVER
SENSOR
fluorescence probe
AQUEOUS-SOLUTION
DFT calculation
CHEMOSENSORS
SPIROLACTAM
HG(II)
mercury ion
ATOMIC-ABSORPTION-SPECTROMETRY
DERIVATIVES
MERCURIC ION
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ISSN1001-604X
1614-7065
DOI10.1002/cjoc.201100376

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Summary:Two colorimetric probes based on oxazine-thione la and lb for the detection of Hg2＋ were designed and synthesized. The probe la exhibits about a 70-fold enhancement in fluorescence and a color change alter the addition of Hg2＋ in acetonitrile/wate solvent, la was also highly selective to Hg2＋ over other metal ions. Furthermore, DFT/TDDFT calculations were taken to explain the OFF-ON emission response.
Bibliography:31-1547/O6
Two colorimetric probes based on oxazine-thione la and lb for the detection of Hg2＋ were designed and synthesized. The probe la exhibits about a 70-fold enhancement in fluorescence and a color change alter the addition of Hg2＋ in acetonitrile/wate solvent, la was also highly selective to Hg2＋ over other metal ions. Furthermore, DFT/TDDFT calculations were taken to explain the OFF-ON emission response.
fluorescence probe, mercury ion, DFT calculation
ArticleID:CJOC201100376
the National Natural Science Foundation of China - No. 20876101
the Natural Science Foundation of Jiangsu Province - No. BK2009113
ark:/67375/WNG-GJRD6HZD-S
the National Environmental Community Project of China - No. 200909044
istex:F6BE7FC6FFC8779D6C530B2E7CA302758BB32CA9
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 14
ISSN:1001-604X
1614-7065
DOI:10.1002/cjoc.201100376