Journal
TALANTA
Volume 162, Issue -, Pages 403-407Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2016.10.004
Keywords
Fluorescent chemosensor; Hg2+ ions; Coumarin derivative
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Funding
- National Natural Science Foundation of China [21501020]
- China Postdoctoral Science Foundation [20105M571295]
- Fundamental Research Funds for the Central Universities [DUT16LK11]
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A novel coumarin derivatives based fluorescent chemosensor CBH was designed and synthesized by Schiff base reaction, which was connected by 7-(N,N-diethylamino) coumarin-3-aldehyde and 3-methyl-2-benzothiazolinone hydrazone through C=N. X-ray single crystal structure analysis indicated that two aromatic groups of the CBH were almost in the same plane. It displayed enhancement of the fluorescent intensity and absorbance when the sensor CBH interacted with Hg2+ ions. The chemosensor CBH exhibited a good sensitive and selective recognition towards Hg2+ ions in the presence of other important relevant metal ions.
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