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一种基于双嗪化合物的用于识别金属离子锌的功能性应用材料。

A functional applied material on recognition of metal ion zinc based on the double azine compound.

作者信息

Wei Taibao, Liang Guoyan, Chen Xiaopeng, Qi Jin, Lin Qi, Zhang Youming, Yao Hong

机构信息

Key Laboratory of Eco-Environment-Related Polymer Materials, Ministry of Education, Gansu 730070, PR China.

Key Laboratory of Polymer Materials, College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, Gansu 730070, PR China.

出版信息

Tetrahedron. 2017 May 18;73(20):2938-2942. doi: 10.1016/j.tet.2017.04.001.

DOI:10.1016/j.tet.2017.04.001
PMID:28529388
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC5407350/
Abstract

A colorimetric and fluorescent probe has been designed and synthesized, which bearing the double azine moiety and showing a detection limit of 2.725 × 10 M towards Zn. Based on the basic recognition mechanism of ESIPT and CHEF effect, the has high selectivity and sensitivity to only Zn (not Fe, Hg, Ag, Ca, Co, Ni, Cd, Pb, Cr, and Mg) within the physiological pH range (pH = 7.0-8.4) and showed a fluorescence switch. Moreover, this detection progress occured in the DMSO/HO ∼ HEPES buffer (80/20, v/v; pH 7.23) solution which can conveniently used on test strip.

摘要

设计并合成了一种比色和荧光探针，其带有双嗪部分，对锌的检测限为2.725×10⁻⁶ M。基于激发态分子内质子转移（ESIPT）和化学增强荧光（CHEF）效应的基本识别机制，该探针对生理pH范围（pH = 7.0 - 8.4）内的锌具有高选择性和灵敏度（对铁、汞、银、钙、钴、镍、镉、铅、铬和镁无响应），并呈现荧光开关现象。此外，该检测过程在二甲基亚砜/水 ∼ 4-(2-羟乙基)-1-哌嗪乙磺酸缓冲液（80/20，v/v；pH 7.23）溶液中进行，可方便地用于试纸条检测。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/6f3efe17066d/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/e151195bfeb0/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/4e5733c9fe4e/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/43e3a6637593/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/d913b3585bfa/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/367f094ad4ae/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/c7dfdd3f381b/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/8ecf11efb1ba/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/2e74bb8dad02/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/683b408b0a46/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/6f3efe17066d/gr9.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/e151195bfeb0/fx1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/4e5733c9fe4e/gr1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/43e3a6637593/gr2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/d913b3585bfa/gr3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/367f094ad4ae/gr4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/c7dfdd3f381b/gr5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/8ecf11efb1ba/gr6.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/2e74bb8dad02/gr7.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/683b408b0a46/gr8.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/b94f/5407350/6f3efe17066d/gr9.jpg

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