Highly reversible "on-off-on" fluorescence switch and logic gate accurately controlled by pH based on nitrophenylfuran-acylhydrazone

被引：23

作者：

Lin, Qi ^{[1
]}

Zhu, Xin ^{[1
]}

Fu, Yong-Peng ^{[1
]}

Zhang, You-Ming ^{[1
]}

Wei, Tai-Bao ^{[1
]}

机构：

[1] Northwest Normal Univ, Coll Chem & Chem Engn, Key Lab Ecoenvironm Related Polymer Mat, Key Lab Polymer Mat Gansu Prov,Minist Educ China, Lanzhou 730070, Gansu, Peoples R China

来源：

DYES AND PIGMENTS | 2015年 / 112卷

基金：

中国国家自然科学基金;

关键词：

pH sensor; Fluorescence switch; Logic gate; Colorimetric; Dual-channel; Acylhydrazone; SENSOR;

D O I：

10.1016/j.dyepig.2014.07.020

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A series of colorimetric and fluorescent pH chemosensors L1 similar to L3, bearing acylhydrazone moiety as pH sensing site and nitrophenylfuran moiety as signal group, were designed and synthesized. Among these sensors, L1 showed excellent reversible pH response for a specific pH change in very narrow pH range (at pH ranged from 12.0 to 12.5, within 0.5 pH unit) through sharp optical spectra and obvious fluorescent color changes. Common anions (such as F-, Cl-, Br-, I-, AcO-, H2PO4-, HSO4-, ClO4-, CN-, OH-) and cations (such as Fe3+, Hg2+, Ag+, Ca2+, Cu2+, Zn2+, Pb2+, Cd2+, Ni2+, CO2+, Cr3+, Mg2+) did not interfere with the pH response process. These properties make L1 act as an accurate pH controlled "on-off-on" fluorescence switch and implication (IMP) function logic gate. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：280 / 282

页数：3

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