An enzyme-free, ultrasensitive strategy for simultaneous screening of the p-nitrophenyl substituent organophosphorus pesticides
文献类型： 外文期刊
作者： Sun, Pengyuan 1 ; Li, Bingru 1 ; Zhen, Jianhui 3 ; Zhao, Jie 1 ; Jia, Wenshen 1 ; Pan, Ligang 1 ; Gong, Wenwen 1 ; Liang, Gang 1 ;
作者机构： 1.BAAFS Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol, Beijing 100097, Peoples R China
2.Minist Agr, Risk Assessment Lab Agroprod Beijing, Beijing 100097, Peoples R China
3.Shijiazhuang Customs Technol Ctr PR China, Shijiazhuang 050051, Hebei, Peoples R China
关键词： Enzyme -free; P-nitrophenyl substituent organophosphorus; pesticides; LC-MS; MS; Indirect detection
期刊名称：FOOD CHEMISTRY （ 影响因子：8.8； 五年影响因子：8.6 ）
ISSN： 0308-8146
年卷期： 2023 年 408 卷
页码：
收录情况： SCI
摘要： An enzyme-free, sensitive, and convenient approach was reported for the P-nitrophenyl substituent organophosphorus pesticides (NSOPs) of paraoxon-methyl (PM), paraoxon-ethyl (PE), parathion-methyl (PTM) and parathion-ethyl (PTE)) by indirectly quantification of the 4-nitrophenol (4-NP, hydrolysis product of the NSOPs). NaOH instead of hydrolase/nanozyme was applied, and temperature, pH, ultrasound was investigated to improve the NSOPs hydrolysis. Under the optimized conditions, the hydrolysis efficiencies were up to 99.9 %, 99.9 %, 99.6 %, 96.0 % for PM (10 min), PE (30 min), PTM (90 min) and PTE (120 min), based on which a low detection limits of 0.06 (PM), 0.07 (PE), 0.06 (PTM) and 0.07 (PTE) ppb were calculated with the 4-NP detection limit (0.03 ppb). Furthermore, the method exhibited good performance for the NSOPs with recoveries from 88.87 % to 100.33 % in real samples. This indirect approach offered an ultrasensitive alternative for the NSOPs detection, which holds great potential in practical application for the assessment of food safety and environmental risks.
- 相关文献
作者其他论文 更多>>
-
Analysis of the steady-state concentrations of reactive species and their role in contaminant degradation by the iron-biochar/persulfate advanced oxidation process: Comparison of probe compound and quenching agent methods
作者：Meng, Xukun;Peng, Guilong;Yan, Yuting;Wang, Xiao;Zhu, Jiangwei;Belver, Carolina;Gong, Wenwen;Blaney, Lee;Peng, Guilong
关键词：Reactive species; Persulfate; Steady-state concentration; Iron-biochar; Advanced oxidation processes
-
A ratiometric fluorescent probe for the determination of quinolone antibiotics in milk based on N and S co-doped carbon quantum dots
作者：Wang, Fang;Li, Xiaoyun;Zhang, Yuchen;Li, Hui;Jiang, Shanxue;Li, Dandan;Yao, Zhiliang;Wang, Fang;Li, Xiaoyun;Zhang, Yuchen;Li, Hui;Jiang, Shanxue;Li, Dandan;Yao, Zhiliang;Wang, Fang;Li, Xiaoyun;Zhang, Yuchen;Li, Hui;Jiang, Shanxue;Li, Dandan;Yao, Zhiliang;Han, Jiajun;Gong, Wenwen
关键词：Carbon quantum dot; Ratiometric fluorescence probe; Moxifloxacin; Gatifloxacin; Ofloxacin; Milk
-
Determination of ultra-trace level Cr(VI) in seawater using large-volume direct injection by LC-ICP-MS with in-line matrix elimination
作者：Yao, Zhenzhen;Li, Bingru;Ma, Zhihong;Wang, Beihong
关键词：
-
Uptake, accumulation and metabolism of UV-320 in vegetables and its impact on growth and quality
作者：Li, Bingru;Yao, Zhenzhen;Wei, Dizhe;Li, Cheng;Guo, Linlin;Li, Cheng
关键词：UV-320; Vegetable uptake; Translocation; Metabolism; Dietary exposure
-
Unveiling the hidden impact: How biodegradable microplastics influence CO 2 and CH 4 emissions and Volatile Organic Compounds (VOCs) profiles in soil ecosystems
作者：Wang, Yihao;Zhao, Chunjiang;Lu, Anxiang;Dong, Daming;Gong, Wenwen;Wang, Yihao
关键词：Biodegradable microplastics; Paddy and upland soils; Greenhouse gases; Volatile Organic Compounds; Optical gas sensor
-
Research on quantitative detection technology of raccoon-derived ingredient adulteration in sausage products
作者：Wang, Hui;Chen, Chen;Xie, Mengying;Zhang, Yan;Chen, Boxu;Li, Yongyan;Zhou, Wei;Jia, Wenshen;Chen, Jia;Chen, Jia;Zhou, Wei
关键词：droplet digital PCR; quantitative study; raccoon; sausage adulteration
-
Occurrence of organic ultraviolet absorbers in the particle and gas samples from plastic greenhouses: Human inhalation intake risk assessment
作者：Li, Bingru;Yao, Zhenzhen;Zhao, Fang;Meng, Boyuan;Ma, Zhihong;Li, Cheng;Meng, Boyuan;Li, Cheng
关键词：Organic ultraviolet absorbers; Air pollution; Plastic greenhouses; Mulch film; Health risk
