金属有机骨架
金属
水溶液中的金属离子
无机化学
材料科学
试剂
选择性
作者
Liu Zhang,Yue Hou,Congcong Lv,Wei Liu,Zixuan Zhang,Xing Peng
出处
期刊:Analytical Methods
[The Royal Society of Chemistry]
日期:2020-09-03
卷期号:12 (34): 4191-4198
被引量:3
摘要
In this work, copper(ii)-containing metal-organic xerogels (Cu-MOXs), which were composed of copper as the central ion and 2,2'-bipyridine-6,6'-dicarboxylic acid as the ligand, were quickly synthesized by a mild facile strategy. The Cu-MOXs exhibited superior catalytic performance for the luminol-H2O2 chemiluminescence (CL) system. The possible mechanism was studied via CL spectra, UV-Vis absorption and electron paramagnetic resonance (ESR). Since dopamine (DA) can inhibit the reaction of this system, a sensitive paper-based CL device for the detection of DA was established. Under the optimal experimental conditions, the linear range of this method was 40-200 nM with a detection limit of 10 nM. The proposed method was used for the determination of DA in urine samples.
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