Preparation of a novel colorimetric luminescence sensor strip for the detection of indole-3-acetic acid

被引：10
|
作者：
Liu, Yan [1 ]
Dong, Haitao [1 ]
Zhang, Wenzhu [1 ]
Ye, Zhiqiang [1 ]
Wang, Guilan [1 ]
Yuan, Jingli [1 ]
机构：
[1] Dalian Univ Technol, Dept Chem, State Key Lab Fine Chem, Dalian 116012, Peoples R China
来源：
BIOSENSORS & BIOELECTRONICS | 2010年 / 25卷 / 10期
基金：
中国国家自然科学基金; 高等学校博士学科点专项科研基金;
关键词：
Colorimetric luminescence sensor; Europium; Horseradish peroxidase; Indole-3-acetic acid; Plant auxin; Quantum dots; ENZYME-IMMUNOASSAY; ABSCISIC-ACID; OXYGEN; AUXIN;
D O I：
10.1016/j.bios.2010.03.010
中图分类号：
Q6 [生物物理学];
学科分类号：
071011 ;
摘要：
A novel colorimetric luminescence sensorstrip for the detection of indole-3-acetic acid (IAA) has been fabricated by using green emissive quantum dots of cadmium telluride (CdTe QDs) as a background layer and a red emissive europium chelate, [4'-(9-anthryl)-2,2':6',2 ''-terpyridine-6,6 ''-diyl]bis(methylenenitrilo) tetrakis(acetate)-Eu3+ (ATTA-Eu3+), as a specific sensing layer coated on the surface of glass slide, respectively. The luminescence response of the sensor strip is given by the dramatic changes in emission colors from green to red at different IAA concentrations. This approach provides a simple, rapid, sensitive and accurate method for the detection of IAA without using any special scientific instruments. (C) 2010 Elsevier By. All rights reserved.
引用
收藏
页码：2375 / 2378
页数：4
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