Chiral carbon dots -based nanosensors for Sn(II) detection and lysine enantiomers recognition

被引：99
作者：
Gao, Pengli [1 ]
Xie, Zhigang [2 ]
Zheng, Min [1 ]
机构：
[1] Changchun Univ Technol, Sch Chem & Life Sci, Adv Inst Mat Sci, 2055 Yanan St, Changchun 130022, Jilin, Peoples R China
[2] Chinese Acad Sci, Changchun Inst Appl Chem, State Key Lab Polymer Phys & Chem, 5625 Renmin St, Changchun 130022, Jilin, Peoples R China
来源：
SENSORS AND ACTUATORS B-CHEMICAL | 2020年 / 319卷
基金：
中国国家自然科学基金;
关键词：
AMINO-ACIDS; FLUORESCENT; CU2+;
D O I：
10.1016/j.snb.2020.128265
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Chirality has a great influence on chemical, biological, and material science. Chiral recognition is fundamental and crucial in chemistry, biology and pharmaceutics. Compared to the extensive attention on achiral carbon dots (CDs), quite a few studies on chiral CDs have been carried out, among which the effects of chiral CDs on recognizing enantiomers have rarely been explored yet. Herein, chiral CDs are utilized as a simple and efficient dual-sensor for Sn2+ detection and Lysine enantiomers recognition for the first time, with the detection limit of 0.057 μM and 3.44 μM, respectively. Furthermore, the strengths of robust stability, high sensitivity and good cytocompatibility enable CDs to successfully monitor the fluctuations of Sn2+ and L-Lys in live cells by virtue of confocal laser scanning microscope. The work highlights the potential of chiral CDs for enantiomeric recognition and ion detection. © 2020 Elsevier B.V.
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页数：8
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