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Highly sensitive and selective detection of butachlor based on the resonance light scattering of doped carbon quantum dots

文献类型： 外文期刊

作者： Lei, Han 1 ; Liu, Qinghao 1 ; Leng, Jiapeng 2 ; Liu, Hongyan 3 ; Wang, Cundong 1 ; Xu, Mingyue 1 ; An, Wenqing 1 ; Bao, Chenning 1 ; Wang, Zhen 1 ;

作者机构： 1.North Univ China, Sch Chem Engn & Technol, Taiyuan 030051, Peoples R China

2.Liaoning Univ Tradit Chinese Med, Sch Pharm, Dalian 116600, Peoples R China

3.Henan Acad Agr Sci, Inst Plant Protect, Zhengzhou 450002, Peoples R China

期刊名称：ANALYTICAL METHODS （ 影响因子：3.532； 五年影响因子：3.244 ）

ISSN： 1759-9660

年卷期： 2022 年 14 卷 6 期

页码：

收录情况： SCI

摘要： In this work, a new method of resonance light scattering was developed for the sensitive and selective detection of butachlor. Firstly, buckwheat was used as the main carbon source to prepare a new type of doped carbon quantum dot using the hydrothermal method. A new method for the determination of butachlor was then established by the change in resonance light scattering intensity after the addition of butachlor into the doped carbon quantum dot solution. The detection effect was successfully optimized by investigating the optimum reaction conditions. Under the optimum conditions, the resonance light scattering intensity of doped carbon quantum dots was greatly enhanced at 460 nm after the addition of butachlor, and the intensity changes were linearly correlated with the butachlor concentration in the range of 1-7 mu g L-1. The detection limit was 0.136 mu g L-1, and the recoveries ranged between 98.6% and 101.8%. This method was also used for butachlor detection in environmental water.

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