The green synthesis of carbon quantum dots and applications for sulcotrione detection and anti-pathogen activities
文献类型： 外文期刊
作者： Wang, Zhen 1 ; Liu, Qinghao 1 ; Leng, Jiapeng 2 ; Liu, Hongyan 3 ; Zhang, Yuxin 1 ; Wang, Cundong 1 ; An, Wenqing 1 ; Bao, Chenning 1 ; Lei, Han 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
关键词： Carbon quantum dots; Moringa oleifera roots; Sulcotrione; Inhibitory rates
期刊名称：JOURNAL OF SAUDI CHEMICAL SOCIETY （ 影响因子：4.712； 五年影响因子：4.08 ）
ISSN： 1319-6103
年卷期： 2021 年 25 卷 12 期
页码：
收录情况： SCI
摘要： In this study, we synthesized simple, cheap, and stable nitrogen (N)-doped carbon quantum dots (N-CQDs) from Moringa oleifera roots. The N-CQDs exhibited an intense blue fluorescence and a quantum yield (QY) of up to 43.4%. When excited at 350 nm, the highest generated wavelength was observed at 445 nm. These N-CQDs were then successfully used to detect sulcotrione (limit of detection = 2 lg/mL); the method was reliable and exhibited good feasibility for measurements in real samples. When the N-CQDs concentration was 11.0 lL/mL, inhibitory rates against the pathogens, Corynespora cassiicola and Phytophtora nicotianae were 82.8% and 75.3%, respectively. To investigate N-CQDs safety for plant growth, different concentrations were investigated using sorghum seedlings, with N-CQDs exhibiting very low toxicity toward plant growth. Thus, these findings provide a basis for the development of N-CQDs as green pesticides. (c) 2021 The Author(s). Published by Elsevier B.V. on behalf of King Saud University. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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