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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.0c02072
|2 doi
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|a pubmed24n1055.xml
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|a (DE-627)NLM316731374
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|a (NLM)33104351
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Lin, Mei-Hua
|e verfasserin
|4 aut
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|a Improving Ion Selectivity of 1,4,7-Triazacyclononane-Based Receptor by Zinc Coordination
|b "Turn-On" Chemosensor for Br- and Fe3+ Ions
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 21.06.2021
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|a Date Revised 21.06.2021
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Ion-responsive probes have gathered significant attention because of health and environmental factors, but there are few reports on the "turn-on" mechanism of Fe3+ and sensitive detection of Br- by fluorescence measurement. Herein, a green luminescence material, N-5-acetyl-2-hydroxy-benzamide-1,4,7-triazacyclononane (btacn), was successfully synthesized for the first time and comprehensively characterized. As expected, btacn exhibits high sensitive, but nonspecific, extensive interaction with Cu2+, Co2+, Zn2+, Mn2+, and Fe3+ ions. Therefore, to improve the specificity of the probe, we tried to synthesize transition metal complexes of btacn, but all failed except Zn(btacn)Cl2. In addition, the preformed complex, Zn(btacn)Cl2, was used as a special "turn-on" chemosensor for detecting trace amounts of Br- and Fe3+. The electrostatic interaction with Fe3+ and the hydrogen bond of PhO-H···Br- leads to obvious changes in the electronic cloud of Zn(btacn)Cl2, which are reflected in different spectral responses
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Coordination Complexes
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|a Fluorescent Dyes
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|a Heterocyclic Compounds
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|a Ions
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|a 1,4,7-triazacyclononane
|2 NLM
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|a 4730-54-5
|2 NLM
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|a Zinc
|2 NLM
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|a J41CSQ7QDS
|2 NLM
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|a Ren, Xiao-Xia
|e verfasserin
|4 aut
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|a Ning, Xiao-Min
|e verfasserin
|4 aut
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|a Liu, Dong-Yang
|e verfasserin
|4 aut
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| 700 |
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|a Qian, Jing
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1999
|g 36(2020), 44 vom: 10. Nov., Seite 13218-13226
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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|g volume:36
|g year:2020
|g number:44
|g day:10
|g month:11
|g pages:13218-13226
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|u http://dx.doi.org/10.1021/acs.langmuir.0c02072
|3 Volltext
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