Cysteine functionalized naphthalene diimide unit for mercury ion sensing

被引：0
|
作者：
Chauhan, Vishakha [1 ]
Thakur, Aman [1 ]
Ramamurthy, Praveen C. [1 ]
Ghosh, Prosenjit [1 ]
机构：
[1] IISc Bangalore, Bangalore, Karnataka, India
来源：
8TH IEEE ELECTRON DEVICES TECHNOLOGY & MANUFACTURING CONFERENCE, EDTM 2024 | 2024年
关键词：
Mercury detection; fluorescence quenching; and naphthalene diimide;
D O I：
10.1109/EDTM58488.2024.10512217
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A naphthalene diimide-based fluorescent sensor was synthesized for the detection of mercury ions. The sensor incorporates cysteine, a biological molecule containing a thiol functional group, as the active component within the naphthalene dianhydride unit. This thiol group exhibited a pronounced affinity for mercury ions, which was monitored through fluorescence experiments. Upon the introduction of mercury ions, it was observed a substantial similar to 78% reduction in the fluorescence activity. The Limit of Detection (LOD) or sensitivity for the NDI-Cys sensor was determined to be 0.11 ppm, with a measurement range spanning from 0.11 ppm to 1.13 ppm.
引用
收藏
页码：283 / 285
页数：3
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