A novel naphthofluorescein-based probe for ultrasensitive point-of-care testing of zinc(II) ions and its bioimaging in living cells and zebrafishes

被引:13
作者
Chen, Xingwei [1 ,2 ]
Xu, Jiajia [1 ,2 ]
Suo, Fengtai [1 ,2 ]
Yu, Changmin [1 ,2 ]
Zhang, Duoteng [1 ,2 ]
Chen, Jian [5 ]
Wu, Qiong [1 ,2 ]
Jing, Su [3 ]
Li, Lin [1 ,2 ]
Huang, Wei [1 ,2 ,4 ]
机构
[1] Nanjing Tech Univ, Nanjing Tech, KLOFE, 30 South Puzhu Rd, Nanjing 211816, Peoples R China
[2] Nanjing Tech Univ, Nanjing Tech, IAM, 30 South Puzhu Rd, Nanjing 211816, Peoples R China
[3] Nanjing Tech Univ, Sch Chem & Mol Engn, Nanjing 211816, Peoples R China
[4] Northwestern Polytech Univ, SIFE, 127 West Youyi Rd, Xian 710072, Peoples R China
[5] Hunan Univ Sci & Technol, Hunan Prov Key Lab Controllable Preparat & Funct, Xiangtan 411201, Hunan, Peoples R China
基金
中国国家自然科学基金;
关键词
Zinc ions; Point-of-care testing; Paper-based devices; High-throughput; Imaging; FLUORESCENT-PROBE; FLUOROGENIC PROBE; IN-VITRO; PAPER; SENSOR; ZN2+; CYSTEINE; DEVICE;
D O I
10.1016/j.saa.2019.117949
中图分类号
O433 [光谱学];
学科分类号
0703 ; 070302 ;
摘要
The combination of fluorescence method with paper-based diagnostic device is quite suitable in point-of-care testing (POCT). Herein, we designed a novel hybrid fluorescein-based probe ZN-2 and investigated its fluorescent properties thoroughly in the detection of Zn2+. In comparison with the fluorescein-based probe ZN-1, ZN-2 displayed better sensitivity, long-wavelength and faster response to Zn2+ within 20 min. Interestingly, we could achieve ultrasensitive, high-throughput and visual detection in the POCT analysis of Zn2+ by anchoring this probe ZN-2 on the paper-based device. This device with satisfied performance for Zn2+ detection was achieved in real samples including cytochylema, serum and lake water. Finally, the probe ZN-2 was further applied to visualize and monitor the level changes of Zn2+ in the living cells and zebrafishes. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页数:7
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