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Cui K, Wang J, Guan S, Liang J, Fang L, Ding R, Li T, Dong Z, Ma G, Wu X, Zheng Y. Residue changes, degradation, processing factors and their relation between physicochemical properties of pesticides in peanuts during multiproduct processing. Food Chem 2024; 452:139535. [PMID: 38728890 DOI: 10.1016/j.foodchem.2024.139535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 04/18/2024] [Accepted: 04/30/2024] [Indexed: 05/12/2024]
Abstract
This study systematically investigates the residue changes, processing factors (PFs), and relation between the physicochemical properties of pesticides during peanut processing. Results revealed that peeling, washing, and boiling treatments removed partial or substantial pesticide residues from peanuts with PFs of 0.29-1.10 (most <1). By contrast, pesticides appeared to be partially concentrated during roasting, stir-frying, and deep-frying peanuts with PFs of 0.16-1.25. During oil pressing, 13 of the 28 pesticides were concentrated in the peanut oil (PF range: 1.06-2.01) and 25 of the pesticides were concentrated in the peanut meal (1.07-1.46). Physicochemical parameters such as octanol-water partition coefficient, degradation point, molecular weight, and melting point showed significant correlations with PFs during processing. Notably, log Kow exhibited strong positive correlations with the PFs of boiling, roasting, and oil pressing. Overall, this study describes the fate of pesticides during multiproduct processing, providing guidance to promote the healthy consumption of peanuts for human health.
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Affiliation(s)
- Kai Cui
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Jian Wang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Shuai Guan
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Jingyun Liang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Liping Fang
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Ruiyan Ding
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Teng Li
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China
| | - Zhan Dong
- Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Shandong Provincial Key Laboratory of Test Technology on Food Quality and Safety, Jinan, Shandong 250100, People's Republic of China.
| | - Guoping Ma
- Institute of Plant Protection, Shandong Academy of Agricultural Sciences, Jinan 250100, People's Republic of China.
| | - Xiaohu Wu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
| | - Yongquan Zheng
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, People's Republic of China
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El-Aswad AF, Mohamed AE, Fouad MR. Investigation of dissipation kinetics and half-lives of fipronil and thiamethoxam in soil under various conditions using experimental modeling design by Minitab software. Sci Rep 2024; 14:5717. [PMID: 38459097 PMCID: PMC10923906 DOI: 10.1038/s41598-024-56083-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 03/01/2024] [Indexed: 03/10/2024] Open
Abstract
To determine the extent of pesticide buildup and their environmental contamination, the environmental half-lives of pesticides are examined. The influence of the factors affecting the half-lives of fipronil and thiamethoxam including soil type, sterilization, temperature, and time and their interactions was studied using experimental modeling design by Minitab software. Based on the dissipation kinetics data, fipronil concentrations reduced gradually over 60 days while thiamethoxam concentrations decreased strongly. Also, fipronil and thiamethoxam dissipated more rapidly in calcareous soil than in alluvial soil. Thiamethoxam, however, disappeared more rapidly than fipronil in all treatments. Incubation at 50 °C leads to rapid the pesticide degradation. For prediction of the dissipation rate, model 5 was found to be the best fit, Residue of insecticide (%) = 15.466 - 11.793 Pesticide - 1.579 Soil type + 0.566 Sterilization - 3.120 Temperature, R2 = 0.94 and s = 3.80. Also, the predicted DT50 values were calculated by a model, DT50 (day) = 20.20 - 0.30 Pesticide - 7.97 Soil Type + 0.07 Sterilization - 2.04 Temperature. The shortest experimental and predicted DT50 values were obtained from treatment of thiamethoxam at 50 °C in calcareous soil either sterilized (7.36 and 9.96 days) or non-sterilized (5.92 and 9.82 days), respectively. The experimental DT50 values of fipronil and thiamethoxam ranged from 5.92 to 59.95 days while, the modeled values ranged from 9.82 to 30.58 days. According to the contour plot and response surface plot, temperature and sterilization were the main factors affecting the half-lives of fipronil and thiamethoxam. The DT50 values of fipronil and thiamethoxam increased in alluvial soil and soil with low temperature. In general, there is a high agreement between the experimental results and the modeled results.
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Affiliation(s)
- Ahmed F El-Aswad
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Aflaton St., El-Shatby, Alexandria, 21545, Egypt.
| | - Abdallah E Mohamed
- Land and Water Technologies Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications (SRTA-City), New Borg El-Arab, Alexandria, 21934, Egypt
| | - Mohamed R Fouad
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Aflaton St., El-Shatby, Alexandria, 21545, Egypt
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Zhang L, Zhang Y, Li J, Qi Y, Li L, Qin K, Lu Y, Liu C. Effect of fertilization on the degradation and enantioselectivity of fipronil in soil. PEST MANAGEMENT SCIENCE 2023; 79:5283-5291. [PMID: 37615248 DOI: 10.1002/ps.7737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/14/2023] [Accepted: 08/24/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND Fertilizers and pesticides are commonly used simultaneously in agriculture. However, the effects of common fertilizers on the dissipation, enantioselectivity, and metabolites of the chiral insecticide fipronil in soil are yet to be reported. RESULT An enantioselective method for detecting fipronil enantiomers and their metabolites in different soil matrices was developed using ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). The results showed that organic and compound fertilizers significantly decreased the degradation of S- and R-fipronil, whereas phosphate and microbial fertilizers slightly reduced fipronil dissipation. The half-life values for S- and R-fipronil were 43.3 and 28.9 days, 99.0 and 63.0 days, 69.3 and 43.3 days, 46.2 and 30.1 days, and 43.3 and 31.5 days, respectively, in the control and the four fertilizer treatments, respectively. The enantioselectivity of fipronil enantiomers occurred and R-fipronil exhibited preferential degradation with an enantiomeric fraction (EF) of 0.4900-0.6238 in all treatments; but the four tested fertilizers decreased enantioselectivity with EF values changed from 0.4970 to 0.6238 in the control to 0.4900-0.6171 in fertilizer treatments. Two metabolites, fipronil sulfone and sulfide, were produced, and their amounts increased with culture time in all treatments. Fertilization reduced the content of fipronil sulfide and sulfone but hardly reduced the total amount of fipronil and its metabolites. CONCLUSION Fertilizers affect the environmental behavior of fipronil in the soil. Fertilization alters the soil bacterial community, which may be an important factor. This influence is relatively complicated and should be comprehensively considered in the environmental risk assessment of pesticides. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Leihong Zhang
- National Key Laboratory of Green Pesticide, South China Agricultural University, Guangzhou, China
| | - Yirong Zhang
- National Key Laboratory of Green Pesticide, South China Agricultural University, Guangzhou, China
| | - Jindong Li
- Laboratory of Quality and Safety Risk Assessment for Agro-Products (Taiyuan), Ministry of Agriculture and Rural Affairs, Shanxi Agricultural University, Taiyuan, China
| | - Yanli Qi
- Laboratory of Quality and Safety Risk Assessment for Agro-Products (Taiyuan), Ministry of Agriculture and Rural Affairs, Shanxi Agricultural University, Taiyuan, China
| | - Li Li
- College of Plant Protection, Shanxi Agricultural University, Taiyuan, China
| | - Kaikai Qin
- National Key Laboratory of Green Pesticide, South China Agricultural University, Guangzhou, China
| | - Yongyue Lu
- National Key Laboratory of Green Pesticide, South China Agricultural University, Guangzhou, China
| | - Chenglan Liu
- National Key Laboratory of Green Pesticide, South China Agricultural University, Guangzhou, China
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Bandeira FO, Tina JK, Alves PRL, Vaz VP, Puerari RC, Juneau P, Dewez D, Matias WG. Locomotion behavior testing as a complementary tool in Collembola avoidance assays with neurotoxic insecticides. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:124374-124381. [PMID: 37945963 DOI: 10.1007/s11356-023-30750-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 10/25/2023] [Indexed: 11/12/2023]
Abstract
This study aimed (1) to assess the ability of collembolans Folsomia candida to avoid soils contaminated with three seed dressing insecticides imidacloprid, clothianidin, and fipronil; (2) to assess the effects of the insecticides on collembolans' locomotion behavior; (3) to check if changes in the locomotion behavior would explain the avoidance/preference responses; and (4) to evaluate the possibility to use locomotion behavior as toxicity biomarker of the tested insecticides. Avoidance and locomotion behavior assays with collembolans F. candida were performed with commercial seed dressing formulations of three insecticides (imidacloprid, clothianidin, and fipronil). Results showed no avoidance behavior at any concentration, while a "preference" was observed with increasing concentrations of the three tested insecticides. Significant reductions in the locomotion of exposed collembolans were observed at ≥ 1 mg kg-1 for imidacloprid (18-38%) and fipronil (29-58%) and ≥ 4 mg kg-1 for clothianidin (10-47%). At the higher insecticide concentrations, the collembolans had their trajectories restricted to smaller areas, with a tendency for circular movements. Our results confirm that the "preference" for contaminated soils with neurotoxic substances is likely due to locomotion inhibition impairing the ability of organisms to escape. This effect highlights that only avoidance assays may be not sufficient to assure the safety of some substances and confirm the potential of locomotion behavior as a sensitive toxicity biomarker for neurotoxic insecticides.
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Affiliation(s)
- Felipe Ogliari Bandeira
- Laboratory of Environmental Toxicology, Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, SC, 88040-970, Brazil
| | - Jéssica Karolayne Tina
- Laboratory of Soil Ecotoxicology, Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | - Paulo Roger Lopes Alves
- Laboratory of Soil Ecotoxicology, Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil.
| | - Vitor Pereira Vaz
- Laboratory of Environmental Toxicology, Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, SC, 88040-970, Brazil
- Ecotoxicology of Aquatic Microorganisms Laboratory-GRIL-EcotoQ-TOXEN, Department of Biological Sciences, University of Quebec at Montreal, Succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada
| | - Rodrigo Costa Puerari
- Laboratory of Environmental Toxicology, Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, SC, 88040-970, Brazil
| | - Philippe Juneau
- Ecotoxicology of Aquatic Microorganisms Laboratory-GRIL-EcotoQ-TOXEN, Department of Biological Sciences, University of Quebec at Montreal, Succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada
| | - David Dewez
- Laboratory of Environmental & Analytical Biochemistry of Contaminants, Department of Chemistry, University of Quebec at Montreal, CP 8888, Succ. Centre-Ville, Montréal, QC, H3C 3P8, Canada
| | - William Gerson Matias
- Laboratory of Environmental Toxicology, Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, SC, 88040-970, Brazil
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Chang J, An Q, Xie Y, Liu W, Xu P, Hao W, Wan B. Temperature-Dependent Bioaccumulation, Metabolism, and Hepatotoxicity of Flufiprole in Lizards ( Eremias argus). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:11612-11625. [PMID: 37489879 DOI: 10.1021/acs.est.3c01049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
As a phenylpyrazole insecticide, flufiprole is an important substitute for fipronil in the agricultural field of China. However, its bioaccumulation and metabolism in terrestrial organisms especially in the lizards living in the agricultural area have rarely been investigated. As an ectothermic animal, lizards are also sensitive to temperature changes. Considering global warming, this study measured bioaccumulation, metabolism, and hepatotoxicity of flufiprole in the Chinese native lizard (Eremias argus) under different temperature stresses. Lizards exposed to flufiprole-contaminated soil adsorbed flufiprole through the skin and flufiprole was preferred to accumulate in lizard liver and brain. The oxidation product fipronil sulfone was the main metabolite of flufiprole in both lizard liver and human liver microsomes, which were mainly metabolized by lizard CYP3A19 or human CYP3A4. The fipronil sulfone concentration increased with increased temperature in lizard tissues. In addition, more serious oxidative damage was shown under higher temperature as the glutathione (GSH), malondialdehyde (MDA), and 8-hydroxy-2'-deoxyguanosine (8-OHdG) levels in lizards increased with increased temperature after flufiprole exposure. Flufiprole exposure also induced lizard liver lesions, and these lesions became more serious in the higher-temperature groups. This study provided new insights into the risk assessment of flufiprole in lizards under global warming.
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Affiliation(s)
- Jing Chang
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD 18, Beijing 100085, China
| | - Qiong An
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD 18, Beijing 100085, China
- University of Chinese Academy of Sciences, Yuquan RD 19 a, Beijing 100049, China
| | - Yun Xie
- Institute of Food Safety, Chinese Academy of Inspection & Quarantine, Beijing 100176, China
| | - Wentao Liu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD 18, Beijing 100085, China
| | - Peng Xu
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD 18, Beijing 100085, China
| | - Weiyu Hao
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD 18, Beijing 100085, China
| | - Bin Wan
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Shuangqing RD 18, Beijing 100085, China
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Dong L, Chang W, Yang W, Xu Z, Cheng J, Shao X, Xu X, Li Z. Design, Synthesis, and Biological Activities of Novel Phenylpyrazole Derivatives Containing a Trifluoromethylselenyl Moiety. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37471065 DOI: 10.1021/acs.jafc.3c03193] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/21/2023]
Abstract
Phenylpyrazole insecticides are widely used for crop protection and public sanitation by blocking gamma-aminobutyric acid (GABA)-gated chloride channels and glutamate-gated chloride (GluCl) channels. Herein, 36 novel phenylpyrazole derivatives containing a trifluoromethylselenyl moiety were designed and synthesized based on the strategy of introducing a selenium element. All derivative structures were characterized by nuclear magnetic resonance (NMR) and high-resolution mass spectrometry (HRMS). The insecticidal activity results indicated that some derivatives had good insecticidal activities against Aedes albopictus (A. albopictus) and Plutella xylostella (P. xylostella). The larvicidal activity against mosquitos of compounds 5, 5a, 5k, and 5l at 0.5 mg/L was 60-80%. At a concentration of 500 mg/L, compounds 5, 5a, 5h, 5k, 5l, 5r, 6, 6j, 6k, and 7 showed a 70-100% mortality against P. xylostella. Among them, derivatives 5 and 6 had a better insecticidal effect with mortality rates of 87 and 93% at 50 mg/L, respectively. It was summarized that the different binding poses of fipronil and compounds 5 and 6 in the Musca domestica (M. domestica) GABARs might lead to the disparity in bioactivity from docking studies. Toxicity tests on zebrafish suggested that compound 6 may be slightly less toxic to the embryos than fipronil on hatching rate.
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Affiliation(s)
- Lefeng Dong
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Wenning Chang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Wulin Yang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Zhiping Xu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Jiagao Cheng
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xusheng Shao
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xiaoyong Xu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Zhong Li
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
- Shanghai Collaborative Innovation Center for Biomanufacturing Technology, 130 Meilong Road, Shanghai 200237, China
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7
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Liu X, Song J, Zhang X, Huang S, Zhao B, Feng X. A highly selective and sensitive europium-organic framework sensor for the fluorescence detection of fipronil in tea. Food Chem 2023; 413:135639. [PMID: 36753784 DOI: 10.1016/j.foodchem.2023.135639] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2022] [Revised: 12/18/2022] [Accepted: 02/01/2023] [Indexed: 02/07/2023]
Abstract
A europium-based metal organic framework (Eu-TFPA-MOF) was used for the fluorescence detection of fipronil in green tea and oolong tea for the first time. The red fluorescence of Eu-TFPA-MOF could be quenched significantly by low concentration (0.24 mM) of fipronil, and the "turn off" process exhibited quick response time (2 min), high sensitivity and selectivity, low detection limits (4.4 nM) and wide linear range (0-0.15 mM). The mechanism of fluorescence quenching was mainly attributed to static quenching process and the competitive absorption of excitation energy. Besides, the spiked and recovery test indicated that Eu-TFPA-MOF could be used in the fluorescence detection of fipronil in real green tea and oolong tea sample and the process had the advantages of simple pretreatment and satisfactory recoveries (98.33-106.17 %). More importantly, a simple, portable and low-cost smartphone-assisted test strip were designed for the visual detection of fipronil in real tea samples. The detection platform will be beneficial for tea quality safety and human heath, and is expected to be applied in other agricultural product safety field.
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Affiliation(s)
- Xinfang Liu
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, China.
| | - Junya Song
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, China; College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471022, China
| | - Xiaoyu Zhang
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471022, China.
| | - Shijie Huang
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471022, China
| | - Beibei Zhao
- College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471022, China
| | - Xun Feng
- College of Chemistry and Chemical Engineering, Henan Key Laboratory of Function-Oriented Porous Materials, Luoyang Normal University, Luoyang 471934, China
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Jiang X, Xiao L, Chen Y, Huang C, Wang J, Tang X, Wan K, Xu H. Degradation of the Novel Heterocyclic Insecticide Pyraquinil in Water: Kinetics, Degradation Pathways, Transformation Products Identification, and Toxicity Assessment. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2023. [PMID: 37378629 DOI: 10.1021/acs.jafc.3c01971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/29/2023]
Abstract
As new pesticides are continuously introduced into agricultural systems, it is essential to investigate their environmental behavior and toxicity effects to better evaluate their potential risks. In this study, the degradation kinetics, pathways, and aquatic toxicity of the new fused heterocyclic insecticide pyraquinil in water under different conditions were investigated for the first time. Pyraquinil was classified as an easily degradable pesticide in natural water, and hydrolyzes faster in alkaline conditions and at higher temperatures. The formation trends of the main transformation products (TPs) of pyraquinil were also quantified. Fifteen TPs were identified in water using ultrahigh-performance liquid chromatography coupled to quadrupole Orbitrap high-resolution mass spectrometry (UHPLC-Orbitrap-HRMS) and Compound Discoverer software, which adopted suspect and nontarget screening strategies. Among them, twelve TPs were reported for the first time and 11 TPs were confirmed by synthesis of their standards. The proposed degradation pathways have demonstrated that the 4,5-dihydropyrazolo[1,5-a]quinazoline skeleton of pyraquinil is stable enough to retain in its TPs. ECOSAR prediction and laboratory tests showed that pyraquinil was "very toxic" or "toxic" to aquatic organisms, while the toxicities of all of the TPs are substantially lower than that of pyraquinil except for TP484, which was predicted to pose a higher toxicity. The results are important for elucidating the fate and assessing the environmental risks of pyraquinil, and provide guidance for scientific and reasonable use.
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Affiliation(s)
- Xunyuan Jiang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Lu Xiao
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Yan Chen
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Congling Huang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Jiale Wang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Xuemei Tang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Kai Wan
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences, Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, and Key Laboratory of Testing and Evaluation for Agro-product Safety and Quality (Guangzhou), Ministry of Agriculture and Rural Affairs, Guangzhou 510640, China
| | - Hanhong Xu
- National Key Laboratory of Green Pesticide and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510640, China
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Meng M, Zhai Z, Zhang Z, Kim J, Zhu Y. Metabolism of an insecticide fipronil by soil fungus Cunninghamella elegans ATCC36112. Arch Microbiol 2023; 205:264. [PMID: 37316622 DOI: 10.1007/s00203-023-03594-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2023] [Revised: 04/25/2023] [Accepted: 05/21/2023] [Indexed: 06/16/2023]
Abstract
In this study, the metabolic pathway of the phenylpyrazole insecticide fipronil in Cunninghamella elegans (C. elegans) was investigated. Approximately 92% of fipronil was removed within 5 days, and seven metabolites were accumulated simultaneously. The structures of the metabolites were completely or tentatively identified by GC-MS and 1H, 13C NMR. To determine the oxidative enzymes involved in metabolism, piperonyl butoxide (PB) and methimazole (MZ) were used, and the kinetic responses of fipronil and its metabolites were determined. PB strongly inhibited fipronil metabolism, while MZ weakly inhibited its metabolism. The results suggest that cytochrome P450 (CYP) and flavin-dependent monooxygenase (FMO) may participate in fipronil metabolism. Integrated metabolic pathways can be inferred from the control and inhibitor experiments. Several novel products from the fungal transformation of fipronil were identified, and similarities between C. elegans transformation and mammalian metabolism of fipronil were compared. Therefore, these results will help to gain insight into the fungal degradation of fipronil and potential applications in fipronil bioremediation. At present, microbial degradation of fipronil is the most promising approach and maintains environmental sustainability. In addition, the ability of C. elegans to mimic mammalian metabolism will assist in illustrating the metabolic fate of fipronil in mammalian hepatocytes and assess its toxicity and potential adverse effects.
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Affiliation(s)
- Min Meng
- College of Plant Health and Medicine, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China
| | - Zhaochi Zhai
- College of Plant Health and Medicine, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China
| | - Zhenxing Zhang
- College of Plant Health and Medicine, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China
| | - Jeonghan Kim
- Department of Agricultural Biotechnology, Seoul National University, 599 Gwanak-ro, Silim-dong, Gwanak-Gu, Seoul, 151-742, Republic of Korea
| | - Yongzhe Zhu
- College of Chemistry and Pharmacy, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China.
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10
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Guo Y, Xie J, Dong F, Wu X, Pan X, Liu X, Zheng Y, Zhang J, Xu J. Highly-Selective Analytical Strategy for 90 Pesticides and Metabolites Residues in Fish and Shrimp Samples. Molecules 2023; 28:molecules28104235. [PMID: 37241976 DOI: 10.3390/molecules28104235] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 05/14/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
The analysis of pesticide residues in aquatic products is challenging due to low residue levels and the complex matrix interference. In this study, we developed a simple, fast method for the trace analysis of 90 pesticides and metabolites in aquatic products. The analytes covered a wide polarity range with log Kow (log octanol-water partition coefficient) ranging from -1.2 to 6.37. Grass carp (Ctenopharyngodon idellus) and prawn (Penaeus chinensis) samples were chosen to validate the quantification method. The samples were extracted by 0.2% formic-acetonitrile, cleaned by solid-phase extraction (PRiME HLB), and analyzed by high performance liquid chromatography-tandem mass spectrometry. The results showed good linearities for the analytes and were observed in the range of 0.05-50 μg/L. The recoveries of the method were within 50.4-118.6%, with the relative standard deviations being lower than 20%. The limits of quantifications (LOQs) of the method were in the range of 0.05-5.0 μg/kg, which were superior to values compared with other research. The developed method was applied to detect pesticide residues in prawn samples from eastern coastal areas of China. Three herbicide residues of diuron, prometryn, and atrazine were detected in prawn samples. The method was sensitive and efficient, which is of significance in expanding the screening scope and improving the quantitative analysis efficiency in aquatic products.
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Affiliation(s)
- Yage Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jun Xie
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaohu Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xingang Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yongquan Zheng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jie Zhang
- Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Jun Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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11
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Sim JXF, Drigo B, Doolette CL, Vasileiadis S, Donner E, Karpouzas DG, Lombi E. Repeated applications of fipronil, propyzamide and flutriafol affect soil microbial functions and community composition: A laboratory-to-field assessment. CHEMOSPHERE 2023; 331:138850. [PMID: 37146771 DOI: 10.1016/j.chemosphere.2023.138850] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 05/02/2023] [Accepted: 05/02/2023] [Indexed: 05/07/2023]
Abstract
Pesticides play an important role in conventional agriculture by controlling pests, weeds, and plant diseases. However, repeated applications of pesticides may have long lasting effects on non-target microorganisms. Most studies have investigated the short-term effects of pesticides on soil microbial communities at the laboratory scale. Here, we assessed the ecotoxicological impact of fipronil (insecticide), propyzamide (herbicide) and flutriafol (fungicide) on (i) soil microbial enzymatic activities, (ii) potential nitrification, (iii) abundance of the fungal and bacterial community and key functional genes (nifH, amoA, chiA, cbhl and phosphatase) and (iii) diversity of bacteria, fungi, ammonia oxidizing bacteria (AOB) and archaea (AOA) after repeated pesticide applications in laboratory and field experiments. Our results showed that repeated applications of propyzamide and flutriafol affected the soil microbial community structure in the field and had significant inhibitory effects on enzymatic activities. The abundances of soil microbiota affected by pesticides recovered to levels similar to the control following a second application, suggesting that they might be able to recover from the pesticide effects. However, the persistent pesticide inhibitory effects on soil enzymatic activities suggests that the ability of the microbial community to cope with the repeated application was not accompanied by functional recovery. Overall, our results suggest that repeated pesticide applications may influence soil health and microbial functionalities and that more information should be collected to inform risk-based policy development.
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Affiliation(s)
- Jowenna X F Sim
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia.
| | - Barbara Drigo
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Casey L Doolette
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Sotirios Vasileiadis
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, Larissa, Viopolis, 41500, Greece
| | - Erica Donner
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia
| | - Dimitrios G Karpouzas
- University of Thessaly, Department of Biochemistry and Biotechnology, Laboratory of Plant and Environmental Biotechnology, Larissa, Viopolis, 41500, Greece
| | - Enzo Lombi
- Future Industries Institute, University of South Australia, Mawson Lakes, SA, 5095, Australia
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12
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Diniz JA, Okumura LL, Filomena de Souza Silva A, Oliveira AF, Gurgel A, Liberato PA, Aleixo H, Silva JG. Study and voltammetric determination of fipronil in bovine lactose-free milk by differential pulse voltammetry using a carbon paste electrode. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2023; 15:1517-1526. [PMID: 36877144 DOI: 10.1039/d2ay01529c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
A novel voltammetric screening method has been developed for the rapid determination of fipronil (FPN) residues in lactose-free milk samples with the use of a carbon-paste electrode (CPE) by differential-pulse voltammetry (DPV). Cyclic voltammetry indicated the occurrence of an irreversible anodic process at approximately +0.700 V (vs. Ag|AgCl, 3.0 mol L-1 KCl) in a 0.100 mol L-1 NaOH supporting electrolyte prepared as a 30% (v/v) ethanol-water solution. Quantification of FPN was carried out by DPV and analytical curves were constructed. In the absence of a matrix, the limits of detection (LOD) and quantification (LOQ) were 0.568 mg L-1 and 1.89 mg L-1, respectively. In the presence of a lactose-free skim milk matrix, the values of LOD and LOQ were 0.331 mg L-1 and 1.10 mg L-1. The recovery percentages for three different concentrations of FPN in lactose-free skim milk samples ranged between 95.3% and 109%. All assays could be conducted with milk samples without any prior extraction steps or pre-concentration of FPN, making this novel method rapid, simple, and relatively cheap.
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Affiliation(s)
- Juliana Aparecida Diniz
- Departamento de Química, Universidade Federal de Viçosa, Av. Peter Henry Holfs, Viçosa, 3650-900, MG, Brazil.
| | - Leonardo Luiz Okumura
- Departamento de Química, Universidade Federal de Viçosa, Av. Peter Henry Holfs, Viçosa, 3650-900, MG, Brazil.
| | | | - André Fernando Oliveira
- Departamento de Química, Universidade Federal de Viçosa, Av. Peter Henry Holfs, Viçosa, 3650-900, MG, Brazil.
| | - Alexandre Gurgel
- Departamento de Química, Universidade Federal de Viçosa, Av. Peter Henry Holfs, Viçosa, 3650-900, MG, Brazil.
| | - Priscila Azevedo Liberato
- Departamento de Química, Universidade Federal de Viçosa, Av. Peter Henry Holfs, Viçosa, 3650-900, MG, Brazil.
| | - Herbert Aleixo
- Instituto Federal do Espírito Santo, Rodovia ES 320, Km 118, Zona Rural, Três Vendas, Barra de São Francisco, 29800-000, ES, Brazil
| | - Júnio Gonçalves Silva
- Departamento de Química, Universidade Federal de Minas Gerais, Av. Antônio Carlos, Belo Horizonte, 31270-901, MG, Brazil
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13
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Lopes Alves PR, de Araújo RS, Ogliari Bandeira F, Matias WG. Individual and combined toxicity of imidacloprid and two seed dressing insecticides on collembolans Folsomia candida. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:166-179. [PMID: 36756738 DOI: 10.1080/15287394.2023.2174464] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The aim of this study was to examine the chronic toxicity of imidacloprid (IMI), clothianidin (CLO) and fipronil (FIP) as a single exposure, as well as binary mixtures of IMI with CLO or FIP toward collembolans Folsomia candida, which are fauna present in the soil. Chronic toxicity assays were performed following an ISO guideline in a Tropical Artificial Soil (TAS), and the influence on the number and growth of the juveniles produced were determined. The range of nominal concentrations used in the tests with the individual compounds was 0.08-1.28 mg/kg (IMI), 0.079-1.264 mg/kg (FIP) and 0.007-0.112 mg/kg (CLO), whereas the mixture assays were performed with half the value used in the tests with individual compounds. Based upon single exposures, IMI produced a similar impact of reducing reproduction by 50% (EC50 ranging from 0.74 to 0.85 mg/kg) compared to FIP (EC50 = 0.78 mg/kg), whereas CLO was the most toxic to F. candida (EC50 = 0.08 mg/kg). Their mixtures generally resulted in a diminished effect on reproduction, as evidenced by the higher EC50 values. In contrast, in the case of the IMI+FIP combination at high concentrations at the EC50 level, a synergistic effect on toxicity was observed. The single exposure to the three insecticides and the mixture of IMI-FIP also decreased the size of generated juveniles, which was evidenced by the reduction in the proportion of large juveniles and increased proportion of small juveniles. However, both binary mixtures (IMI-FIP and IMI-CLO) presented antagonistic effects as evidenced by less than expected reductions in growth. Data on the toxic effects of IMI in a mixture with other seed dressing insecticides to collembolans provides useful information to environmental risk assessors by diminishing the uncertainties on the ecological risk of exposure to pesticides, enabling soil management degradation by utilizing multiple insecticides.
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Affiliation(s)
| | | | - Felipe Ogliari Bandeira
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
| | - William Gerson Matias
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
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14
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Suo D, Song Z, Xiao Z, Zhuang F, Fan L, Fan X. Fipronil and its metabolites in chicken feather: residue analysis, depletion study, and application analysis of pollution sources in laying hens. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:18499-18508. [PMID: 36215024 DOI: 10.1007/s11356-022-23527-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
A method based on a multi-mechanism impurity adsorption and ultra-performance liquid chromatography-tandem mass spectrometry was established to detect fipronil and four of its metabolites in chicken feathers. This method was successfully applied to the depletion study of fipronil in feathers of laying hens. Fipronil and two metabolites were found in feathers during treatment. Fipronil concentrations in feathers increased during medication and then regularly decreased during withdrawal, and they were still detected on the 14th day after withdrawal. High residue concentrations were also present in feathers on day 23 of the experimental period. Pollution sources of fipronil can be inferred on the basis of the residue ratio of fipronil metabolites from different pollution modes. Result shows that feathers were an effective matrix for residue monitoring and risk analysis of fipronil in animals and the environment.
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Affiliation(s)
- Decheng Suo
- Institute of Quality Standards and Testing Technology for Agricultural Products, Chinese Academy of Agricultural Science, Beijing, 100081, China.
| | - Zhandeng Song
- Institute of Quality Standards and Testing Technology for Agricultural Products, Chinese Academy of Agricultural Science, Beijing, 100081, China
| | - Zhiming Xiao
- Institute of Quality Standards and Testing Technology for Agricultural Products, Chinese Academy of Agricultural Science, Beijing, 100081, China
| | - Fenting Zhuang
- Liaoning Agricultural Development Service Center, Shenyang, Liaoning, 110000, China
| | - Li Fan
- Institute of Quality Standards and Testing Technology for Agricultural Products, Chinese Academy of Agricultural Science, Beijing, 100081, China
| | - Xia Fan
- Institute of Quality Standards and Testing Technology for Agricultural Products, Chinese Academy of Agricultural Science, Beijing, 100081, China
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15
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Rao Pasupuleti R, Ku YJ, Tsai TY, Hua HT, Lin YC, Shiea J, Huang PC, Andaluri G, Ponnusamy VK. Novel fast pesticides extraction (FaPEx) strategy coupled with UHPLC-MS/MS for rapid monitoring of emerging pollutant fipronil and its metabolite in food and environmental samples. ENVIRONMENTAL RESEARCH 2023; 217:114823. [PMID: 36402184 DOI: 10.1016/j.envres.2022.114823] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 10/21/2022] [Accepted: 11/13/2022] [Indexed: 06/16/2023]
Abstract
In this work, we demonstrated a new, environmental-friendly and effective sample preparation strategy named 'in-syringe-assisted fast pesticides extraction (FaPEx)' technique coupled with LC-MS/MS for the rapid identification and monitoring of emerging pollutant fipronil and its metabolite fipronil sulfone in chicken egg and environmental soil samples. FaPEx strategy comprising of two simple steps. Firstly, the sample was placed in the syringe and extracted using low-volume acetonitrile with NaCl and anhydrous MgSO4 salts. Secondly, the extractant was passed through in-syringe-based solid-phase extraction (SPE) kit containing cleanup sorbents and salt combinations (C18, primary secondary amine, and anhydrous MgSO4) for the cleanup process. Then, the obtained clean extractant was injected into LC-MS/MS for the quantification of target analytes. Various important parameters influencing the FaPEx performances, such as solvent type, salt type, salt amount, sorbent type, and amount, were examined and optimized. The method validation results showed excellent linearity with high correlation coefficients were ≥ 0.99. The estimated LODs were between 0.05-0.07 μg/kg, and LOQs ranged between 0.1-0.25 μg/kg for target analytes in both egg and soil sample matrices, and precision values were ≤7.90%. The developed method was applied to commercial chicken egg samples and environmental soil samples analysis. Spiked recoveries ranged between 88.75-110.91% for egg samples with RSDs ≤7.42% and 82.47-107.46% for soil samples with RSDs <7.37%. These results proved that the developed sample preparation method is a simple, fast, green, low-cost, and efficient method for the analysis of fipronil and its metabolites in food and environmental samples. Thus, this method can be applied as an alternative analytical methodology in routine and standard food and environmental testing laboratories.
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Affiliation(s)
- Raghavendra Rao Pasupuleti
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan
| | - Yi-Jia Ku
- Research and Development Division, Great Engineering Technology (GETECH) Corporation, No.392, Yucheng Rd., Zuoying District., Kaohsiung City, 813 Taiwan
| | - Tseng-Yu Tsai
- Research and Development Division, Great Engineering Technology (GETECH) Corporation, No.392, Yucheng Rd., Zuoying District., Kaohsiung City, 813 Taiwan
| | - Hung-Ta Hua
- Research and Development Division, Great Engineering Technology (GETECH) Corporation, No.392, Yucheng Rd., Zuoying District., Kaohsiung City, 813 Taiwan
| | - Yu-Chia Lin
- Research and Development Division, Great Engineering Technology (GETECH) Corporation, No.392, Yucheng Rd., Zuoying District., Kaohsiung City, 813 Taiwan
| | - Jentaie Shiea
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; Department of Chemistry, National Sun Yat-Sen University, Kaohsiung City, 804, Taiwan
| | - Po-Chin Huang
- Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; National Institute of Environmental Health Sciences, National Health Research Institutes (NHRI), Miaoli County 35053, Taiwan
| | - Gangadhar Andaluri
- Civil and Environmental Engineering Department, College of Engineering, Temple University, Philadelphia, PA, 19122, United States
| | - Vinoth Kumar Ponnusamy
- Department of Medicinal and Applied Chemistry, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; Research Center for Precision Environmental Medicine, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; Department of Chemistry, National Sun Yat-Sen University, Kaohsiung City, 804, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital (KMUH), Kaohsiung City, 807, Taiwan.
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16
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Li Z. Modeling pesticide residue uptake by leguminous plants: a geocarpic fruit model for peanuts. PEST MANAGEMENT SCIENCE 2023; 79:152-162. [PMID: 36107631 DOI: 10.1002/ps.7184] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Revised: 09/09/2022] [Accepted: 09/15/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Pesticide residues are frequently found in leguminous plants; however, no modeling approaches predict residue concentrations in edible legume seeds. In this study, a geocarpic fruit model, simplified for neutral organic compounds, was proposed for high-throughput simulations (over 700 pesticides) of the residue uptake by peanut plants, which characterized three scenarios, namely (i) pesticide foliar application during the pre-seed development stage, (ii) foliar application during the seed development stage, and (iii) soil contamination before plant germination. RESULTS In the foliar application scenario, in general, lipophilic pesticides have high simulated residue unit doses (RUDs, residue concentrations in plants per 1.0 kg ha-1 of pesticide application) in peanut leaves owing to intensified uptake via surface deposition, whereas hydrophilic pesticides have high simulated RUDs in peanuts because the uptake of residues via diffusion is enhanced. For the soil-contamination scenario, organic compounds with moderate lipophilicity have a high bioconcentration potential (i.e. the soil-plant system) in leaves and peanuts, due to large transpiration stream concentration factors (TSCFs) that boost the uptake via transpiration. CONCLUSIONS The simulation results have some degrees of agreement with field measurements, indicating that the proposed model can be used as a screening tool for dietary risk assessment of pesticides in peanuts. In future research, pH-dependent physicochemical properties (e.g. soil-water partition coefficient and TSCF) and degradation rate constants of chemicals need to be refined to improve the simulation analysis. © 2022 Society of Chemical Industry.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, China
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17
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Xia X, Zheng Y, Tang X, Zhao N, Wang B, Lin H, Lin Y. Nontarget Identification of Novel Per- and Polyfluoroalkyl Substances in Cord Blood Samples. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:17061-17069. [PMID: 36343112 DOI: 10.1021/acs.est.2c04820] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Per- and polyfluoroalkyl substances (PFASs) can penetrate the placental barrier and reach embryos through cord blood, probably causing adverse birth outcomes. Therefore, novel PFASs identification in cord blood and their relationships with birth outcomes are essential to evaluate prenatal exposure risk of PFASs. Herein, 16 legacy and 12 novel PFASs were identified in 326 cord blood samples collected from pregnant women in Jinan, Shandong, China. The presence of perfluoropolyether carboxylic acids, hydrogen-substituted polyfluoroetherpropane sulfate, and 3:3 chlorinated polyfluoroalkyl ether alcohol in cord blood was reported for the first time. Two extensive OECD (Organization for Economic Co-operation and Development)-defined PFASs named fipronil sulfone and 2-chloro-6-(trifluoromethyl)pyridine-3-ol were also identified. Quantification results showed that the emerging and OECD-defined PFASs separately accounted for 9.4 and 9.7% of the total quantified PFASs, while the legacy PFOA, PFOS, and PFHxS were still the most abundant PFASs with median concentrations of 2.12, 0.58, and 0.37 ng/mL, respectively. Several PFASs (C9-C12 PFCAs, C6-C8 PFSAs, and 6:2 Cl-PFESA) showed significantly higher levels for older maternities than younger ones. PFHxS levels were positively associated with birth weight and ponderal index (p < 0.05). The results provide comprehensive information on the presence and exposure risks of several novel PFASs during the early life stage.
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Affiliation(s)
- Xiaowen Xia
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao266071, China
| | - Yuxin Zheng
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao266071, China
| | - Xiaowen Tang
- Department of Medicinal Chemistry, School of Pharmacy, Qingdao University, Qingdao266071, China
| | - Nan Zhao
- School of Environmental Science and Engineering, Shandong University, Qingdao266237, China
| | - Bing Wang
- Biomedical Centre, Qingdao University, Qingdao266071, China
| | - Huan Lin
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao266071, China
| | - Yongfeng Lin
- Department of Occupational Health and Environmental Health, School of Public Health, Qingdao University, Qingdao266071, China
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18
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Hayat M, Manzoor S, Raza N, Abbas A, Khan MI, Elboughdiri N, Naseem K, Shanableh A, Elbadry AMM, Al Arni S, Benaissa M, Ibrahim FA. Molecularly Imprinted Polymeric Sorbent for Targeted Dispersive Solid-Phase Microextraction of Fipronil from Milk Samples. ACS OMEGA 2022; 7:41437-41448. [PMID: 36406537 PMCID: PMC9670290 DOI: 10.1021/acsomega.2c05217] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
Fipronil, a phenyl pyrazole insecticide, is extensively used in agriculture to control insect infestation. It has the potential to assimilate into the food chain, leading to serious health concerns. We report molecularly imprinted polymer (MIP)-based dispersive solid-phase microextraction for the targeted determination of fipronil in milk samples. Designing such a sorbent is of paramount importance for measuring the accurate amount of fipronil for monitoring its permissible limit. Response surface methodology based on a central composite design following a face-centered approach was used to optimize experimental conditions. The maximum binding capacity of 47 mg g-1 was achieved at optimal parameters of time (18 min), temperature (42 °C), pH (7), and analyte concentration (120 mg L-1). Under these conditions, a high percentage recovery of 94.6 ± 1.90% (n = 9) and a low limit of detection (LOD) and limit of quantitation (LOQ) (5.64 × 10-6 and 1.71 × 10-5 μg mL-1, respectively) were obtained. The MIP was well characterized through a scanning electron microscope (SEM) as well as Brunauer-Emmett-Teller (BET), Fourier transform infrared spectroscopy (FTIR), and thermogravimetric analysis (TGA) methods. Adsorption kinetics of the MIP followed the pseudo-first-order model (R 2 0.99 and χ2 0.96), suggesting the MIP-analyte interaction to be a physiosorptive process, while adsorption isotherms followed the Freundlich model (R 2 0.99). The real sample analysis through high-performance liquid chromatography (HPLC) confirmed the selective determination of fipronil from milk samples.
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Affiliation(s)
- Muhammad Hayat
- Institute
of Chemical Sciences, Bahauddin Zakariya
University, Multan60000, Pakistan
| | - Suryyia Manzoor
- Institute
of Chemical Sciences, Bahauddin Zakariya
University, Multan60000, Pakistan
| | - Nadeem Raza
- Department
of Chemistry, Emerson University, Multan60000, Pakistan
| | - Akmal Abbas
- State
Key Laboratory of Fine Chemicals, PSU-DUT Joint Center of Energy and
Research, School of Chemical Engineering, Dalian University of Technology, Dalian116024, China
| | - Muhammad Imran Khan
- Research
Institute of Sciences and Engineering (RISE), University of Sharjah, Sharjah27272, United Arab Emirates
| | - Noureddine Elboughdiri
- Chemical
Engineering Department, College of Engineering, University of Ha’il, P.O. Box 2440, Ha’il81441, Saudi Arabia
- Chemical
Engineering Process Department, National School of Engineers Gabes, University of Gabes, Gabes6029, Tunisia
| | - Khalida Naseem
- Department
of Basic and Applied Chemistry, Faculty of Science and Technology, University of Central Punjab, Lahore54700, Pakistan
| | - Abdallah Shanableh
- Research
Institute of Sciences and Engineering (RISE), University of Sharjah, Sharjah27272, United Arab Emirates
| | | | - Saleh Al Arni
- Chemical
Engineering Department, College of Engineering, University of Ha’il, P.O. Box 2440, Ha’il81441, Saudi Arabia
| | - Mhamed Benaissa
- Chemical
Engineering Department, College of Engineering, University of Ha’il, P.O. Box 2440, Ha’il81441, Saudi Arabia
| | - Fatma A. Ibrahim
- Catalysis
Research Group (CRG), Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha61413, Saudi Arabia
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19
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Gonçalves S, Vasconcelos MW, Mota TFM, Lopes JMH, Guimaraes LJ, Miglioranza KSB, Ghisi NDC. Identifying global trends and gaps in research on pesticide fipronil: a scientometric review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:79111-79125. [PMID: 35705759 DOI: 10.1007/s11356-022-21135-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Fipronil is a broad potent insecticide that belongs to the phenylpyrazole chemical family. Its action mode acting in the presynaptic and postsynaptic blocking the chlorine ions by the neurotransmitters GABA. It is considered highly toxic, and in some countries, its use has been prohibited. The objective of this review is to perform a scientometric analysis for global measurement of the research on the insecticide fipronil. All information in this study was searched in the Web of Science (WoS) database in December 2021. The search was carried using the term "fipronil." Thus, 2362 studies were selected. Most selected articles showed toxicity effects of fipronil on non-target organisms, analytical methods to detect the insecticide, environmental degradation processes, and efficiency in reducing insects through its use. The H index for this dataset was 91. The cooperation network of the authors among countries showed the USA as the most notorious, with 30.6% of studies, followed by China (15.7%) and Brazil (10.9%). There are many studies on the toxicity of fipronil in bees, forms of degradation, and effectiveness of this insecticide. The present work presents suggestions pointed out in the articles for further research and highlights the importance of studies involving fipronil, as well as studies of alternative pest control.
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Affiliation(s)
- Sandrieli Gonçalves
- Laboratory of Biological Analysis and Molecular Biology (BioMol), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, , Parana, 85660-000, Brazil
- Graduate Program in Biotechnology, Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, Parana, 85660-000, Brazil
| | - Marina Wust Vasconcelos
- Laboratory of Biological Analysis and Molecular Biology (BioMol), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, , Parana, 85660-000, Brazil
- Graduate Program in Biotechnology, Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, Parana, 85660-000, Brazil
| | - Thaís Fernandes Mendonça Mota
- Graduate Program in Biotechnology, Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, Parana, 85660-000, Brazil.
- Collegiate of Biological Sciences, Universidade Estadual Do Paraná (UNESPAR), Campus Paranavaí, Avenida Gabriel Esperidião, s/n, Jardim Morumbi, Paranavaí, Parana, 87703-000, Brazil.
| | - Juliana Marceli Hofma Lopes
- Graduate Program in Agroecosystems (PPGSIS), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, Parana, 85660-000, Brazil
| | - Larissa Juliane Guimaraes
- Graduate Program in Agroecosystems (PPGSIS), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, Parana, 85660-000, Brazil
| | - Karina Silvia Beatriz Miglioranza
- Laboratorio de Ecotoxicología Y Contaminación Ambiental, , Instituto de Investigaciones Marinas Y Costeras (IIMyC), FCEyN, UNMDP-CONICET, Funes 3350, 7600, Mar del Plata, Argentina
| | - Nédia de Castilhos Ghisi
- Laboratory of Biological Analysis and Molecular Biology (BioMol), Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, , Parana, 85660-000, Brazil
- Graduate Program in Biotechnology, Universidade Tecnológica Federal Do Paraná (UTFPR), Campus Dois Vizinhos, Estrada para Boa Esperança s/n, km 04, Comunidade Sao Cristovão, P.O. Box 157, Dois Vizinhos, Parana, 85660-000, Brazil
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20
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Li M, Wang Q, Li X, Yue N, Jin M, Zheng L, Wang J, Jin F. Different dissipation potential and dietary risk assessment of tristyrylphenol ethoxylates in cowpea ecosystem in China. Front Nutr 2022; 9:1036025. [PMID: 36337636 PMCID: PMC9626860 DOI: 10.3389/fnut.2022.1036025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Accepted: 10/04/2022] [Indexed: 11/13/2022] Open
Abstract
Tristyrylphenol ethoxylates (TSPEOn) are widely used as inert ingredients in pesticide formulations in the world. However, the information on the dissipation behavior of different homologs TSPEOn in agro-products is lacking. To investigate the dissipation behavior of TSPEOn, a cowpea field experiment treated with TSPEOn at different doses was carried out in Guangdong province, China. Different 24 TSPEO homologs were all detected in cowpea from the field terminal residue experiments, and the total concentrations of TSPEO homologs in cowpea were 40.0–1,374 μg/kg. The dissipation half-lives of 24 TSPEO homologs in soil were 1.51–2.35 times longer than those in cowpea. The long-chain homologs TSPEOn were dissipated faster than the short-chain homologs TSPEOn, suggesting a homolog-specific degradation of the TSPEOn in the cowpea ecosystem. The characteristic bimodal profiles of TSPEOn (n = 6–29) differing from that of the commercial TSPEOn were observed in the cowpea terminal residues experiment, indicating that the long-chain TSPEOn would degrade to short-chain TSPEOn in cowpea and soil. The acute and chronic dietary exposure risks of ΣTSPEOn in cowpea are within acceptable margins for human consumption across different ages and genders. But the health risks to children should be noticed in future.
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21
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Hennig TB, Alves PRL, Bandeira FO, da Costa Cabrera L, Dugatto JS, da Silva MAT, Baretta D. Role of climatic factors in the toxicity of fipronil toward earthworms in two tropical soils: effects of increased temperature and reduced soil moisture content. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:56370-56378. [PMID: 35332455 DOI: 10.1007/s11356-022-19813-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
The aim of this study was to assess the effect of temperature on the toxicity of fipronil toward earthworms (Eisenia andrei) in two Brazilian soils (Entisol and Oxisol) with contrasting textures. In the case of Entisol, the influence of soil moisture content on toxicity was also investigated. Earthworms were exposed for 56 days to soils spiked with increasing concentrations of fipronil (8.95, 19.48, 38.22, 155.61, and 237.81 mg kg-1 for Entisol; 12.99, 27.94, 48.42, 204.67, and 374.29 mg kg-1 for Oxisol) under scenarios with different combinations of temperature (20, 25 and 27 °C) and soil moisture content (60 and 30% of water holding capacity (WHC) for Entisol and 60% WHC for Oxisol). The number of juveniles produced was taken as the endpoint, and a risk assessment was performed based on the hazard quotient (HQ). In Entisol, at 60% WHC the fipronil toxicity decreased at 27 °C compared with the other temperatures tested (EC50 = 52.58, 48.48, and 110 mg kg-1 for 20, 25, and 27 °C, respectively). In the case of Oxisol at 60% WHC, the fipronil toxicity increased at 27 °C compared with other temperatures (EC50 = 277.57, 312.87, and 39.89 mg kg-1 at 20, 25, and 27 °C, respectively). An increase in fipronil toxicity was also observed with a decrease in soil moisture content in Entisol at 27 °C (EC50 = 27.95 and 110 mg kg-1 for 30% and 60% WHC, respectively). The risk of fipronil was only significant at 27 °C in Entisol and Oxisol with water contents of 30% and 60% WHC, respectively, revealing that higher temperatures are able to increase the risk of fipronil toxicity toward earthworms depending on soil type and soil moisture content. The results reported herein show that soil properties associated with climatic shifts could enhance the ecotoxicological effects and risk of fipronil for earthworms, depending on the type of soil.
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Affiliation(s)
- Thuanne Braúlio Hennig
- Dep. of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, , Lages, SC, 88520000, Brazil
| | - Paulo Roger Lopes Alves
- Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil.
| | - Felipe Ogliari Bandeira
- Dep. of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, , Lages, SC, 88520000, Brazil
| | - Liziara da Costa Cabrera
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, Cerro Largo, RS, 1580, 97900000, Brazil
| | - Jonas Simon Dugatto
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, Cerro Largo, RS, 1580, 97900000, Brazil
| | | | - Dilmar Baretta
- Dep. of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, , Lages, SC, 88520000, Brazil
- Centro de Educação Superior Do Oeste, Santa Catarina State University, Beloni Trombeta Zanin, 680-E, Chapecó, SC, 89815-630, Brazil
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22
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Zhou YL, Yue SW, Cheng BW, Zhao Q. Determination of fipronil and its metabolites in edible oil by pollen based solid-phase extraction combined with gas chromatography-electron capture detection. Food Chem 2022; 377:132021. [PMID: 34999456 DOI: 10.1016/j.foodchem.2021.132021] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 12/08/2021] [Accepted: 12/30/2021] [Indexed: 11/04/2022]
Abstract
In this study, a convenient and economic method for the determination of fipronil and its three metabolites in edible oil was developed based on pollen grain solid-phase extraction (SPE). As a natural material, pollen grains exhibit well absorption capacity for some polar compounds due to their special functional structures. Their stable composition and appropriate particle size also make them suitable for SPE. In the present study, natural pine pollen grains without broken wall were used as sorbent for selective isolation and enrichment of fipronil and its three metabolites from edible oils based on hydrogen bond interaction. Several parameters influencing the extraction recoveries were investigated. By coupling with gas chromatography-electron capture detection (GC-ECD), a new method for analysis of fipronil and its metabolites in edible oils was established. The linearity range was 2-200 ng/g with correlation coefficient R2 more than 0.999. The recoveries in edible oils at three spiked concentrations were in the range of 80.1-96.0% with the RSDs less than 10.6% (intra-day) and 11.5% (inter-day). The limit of detection (LOD) for four target analytes were in the range of 0.2-0.6 ng/g, which was comparable to the previous reported methods. Finally, the established method was successfully applied to detect fipronil and its metabolites in several oil samples with different brands from local market.
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Affiliation(s)
- Yi-Lian Zhou
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430074, China
| | - Shi-Wen Yue
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430074, China
| | - Bing-Wei Cheng
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430074, China
| | - Qin Zhao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan 430074, China.
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23
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Wan K, Jiang X, Tang X, Xiao L, Chen Y, Huang C, Zhu F, Wang F, Xu H. Study on Absorption, Distribution, Metabolism, and Excretion Properties of Novel Insecticidal GABA Receptor Antagonist, Pyraquinil, in Diamondback Moth Combining MALDI Mass Spectrometry Imaging and High-Resolution Mass Spectrometry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:6072-6083. [PMID: 35576451 DOI: 10.1021/acs.jafc.2c00468] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A thorough understanding of absorption, distribution, metabolism, and excretion (ADME) of insecticide candidates is essential in insecticide development and structural optimization. Here, ADME of pyraquinil, a novel insecticidal GABA receptor antagonist, in Plutella xylostella larvae during the accumulation phase and depuration phase was investigated separately using a combination of UHPLC-Q-Orbitrap, HPLC-MS/MS, and MALDI-MSI. Five new metabolites of pyraquinil were identified, and a metabolic pathway was proposed. The oxidative metabolite (pyraquinil-sulfone) was identified as the main metabolite and confirmed by its standard. Quantitative results showed that pyraquinil was taken up by the larvae rapidly and then undergone a cytochrome P450s-mediated oxidative transformation into pyraquinil-sulfone. Both fecal excretion and oxidative metabolism were demonstrated to be predominant ways to eliminate pyraquinil in P. xylostella larvae during accumulation, while oxidative metabolism followed by fecal excretion was probably the major pathway during depuration. MALDI-MSI revealed that pyraquinil was homogeneously distributed in the larvae, while pyraquinil-sulfone presented a continuous enrichment in the midgut during accumulation. Conversely, pyraquinil-sulfone located in hemolymph can be preferentially eliminated during depuration, suggesting its tissue tropism. It improves the understanding of the fate of pyraquinil in P. xylostella and provides useful information for insecticidal mechanism elucidation and structural optimization of pyraquinil.
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Affiliation(s)
- Kai Wan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510640, China
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Xunyuan Jiang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Xuemei Tang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Lu Xiao
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Yan Chen
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Congling Huang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Fuwei Zhu
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Fuhua Wang
- Institute of Quality Standard and Monitoring Technology for Agro-products of Guangdong Academy of Agricultural Sciences and Guangdong Provincial Key Laboratory of Quality & Safety Risk Assessment for Agro-products, Guangzhou 510640, China
| | - Hanhong Xu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510640, China
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24
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Zhao Q, Yue SW, Zhou YL, Yang JJ. Determination of fipronil and its metabolites in environmental water samples by meltblown nonwoven fabric based solid-phase extraction combined with gas chromatography-electron capture detection. J Sep Sci 2022; 45:2663-2674. [PMID: 35562644 DOI: 10.1002/jssc.202200008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 05/07/2022] [Accepted: 05/08/2022] [Indexed: 11/06/2022]
Abstract
In this study, a new method for determination of fipronil and its three metabolites in environmental water samples was developed based on meltblown nonwoven fabric solid-phase extraction combining with gas chromatography-electron capture detection. As the core material of medical mask, meltblown nonwoven fabric is made of polypropylene superfine fibers which are randomly distributed and bonded together with a relatively large specific surface area and good permeability. Polypropylene as a high molecular hydrocarbon-based polymer, has the characteristics of good hydrophobicity and lipophilicity, which can be applied for separation and enrichment of hydrophobic substances in food, environment and biology samples. The meltblown nonwoven fabric is soft and can fill the solid-phase extraction cartridge tightly. This aspect also makes it suitable to be used as an ideal solid-phase extraction sorbent. A series of parameters influencing the extraction efficiency were investigated, and under the optimized conditions, fipronil and its three metabolites had good linear relationship in the range of 0.2-100 μg/L with correlation coefficient R2 more than 0.999. The recoveries at three spiked concentrations were in the range of 99.2-107.3% with the relative standard deviations less than 9.8% (intra-day) and 8.1% (inter-day). The limit of detection for the four target analytes were in the range of 0.02-0.06 μg/L. Finally, this method was successfully applied in the analysis of fipronil and its three metabolites in various types of environmental water samples. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Qin Zhao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan, 430074, China
| | - Shi-Wen Yue
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan, 430074, China
| | - Yi-Lian Zhou
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan, 430074, China
| | - Jin-Jie Yang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, School of Public Health, Wuhan University of Science and Technology, Wuhan, 430074, China
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25
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Cui Y, Xu Z, Tang S, Wang Y, Jiang G. Organochlorine pesticides and other pesticides in peanut oil: Residue level, source, household processing factor and risk assessment. JOURNAL OF HAZARDOUS MATERIALS 2022; 429:128272. [PMID: 35066221 DOI: 10.1016/j.jhazmat.2022.128272] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 12/27/2021] [Accepted: 01/11/2022] [Indexed: 06/14/2023]
Abstract
Peanut oil, edible vegetable oil largely consumed in China, may be polluted with pesticides during both peanut cultivation and processing. In this study, we analyzed organochlorine pesticides, five currently used pesticides and two degradation products, in soils, seeds, peanuts, oil and dregs and systematically tracked variations of their levels in field soils and during the pressing process. The results showed that the application of metolachlor, pirimicarb and quizalofop-p-ethyl pesticides during peanut cultivation caused their concentrations in peanuts to increase. In most samples, the concentration of 3-phenoxybenzoic acid was higher than that of λ-cyhalothrin, and the variation trends of λ-cyhalothrin and 3-phenoxybenzoic acid in soil samples were similar, which indicate that after application, most λ-cyhalothrin may rapidly be degraded to 3-phenoxybenzoic acid. Regarding the pressing process of peanut oil, the sum of mass of oil and shells was less than the mass of the corresponding raw peanut. Compared with that in peanuts, the total mass of most pesticides in oil and shells was lower, while that of two degradation products was higher, an indication that the degradation products were still generated during the pressing process. Finally, the assessment of health risk of different age groups consuming the studied peanuts and peanut oil showed that the risk was very low.
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Affiliation(s)
- Yang Cui
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhenlan Xu
- Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China
| | - Shanshan Tang
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310000, China
| | - Yawei Wang
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310000, China.
| | - Guibin Jiang
- Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China; Sino-Danish College, University of Chinese Academy of Sciences, Beijing 100049, China; School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou 310000, China
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26
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Arioli F, Negro V, Roncada P, Guerrini A, Villa R, Nobile M, Chiesa L, Panseri S. Presence of fipronil and metabolites in eggs and feathers of ornamental hens from Italian family farms. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109034] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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27
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Hennig TB, Lopes Alves PR, Schiehl A, de Araújo RS, da Costa Cabrera L, Morelato RR, Baretta D. Can the increase in atmospheric temperature enhance the toxicity and risk of fipronil for collembolans in tropical soils? ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:27104-27114. [PMID: 34981395 DOI: 10.1007/s11356-021-18349-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2021] [Accepted: 12/22/2021] [Indexed: 06/14/2023]
Abstract
We evaluated the toxicity and risk (via toxicity exposure ratio approach - TER) of the insecticide fipronil to collembolan's growth and reproduction in three tropical soils, under increasing atmospheric temperatures. Chronic toxicity tests were performed with Folsomia candida in tropical artificial soil (TAS), oxisol, and entisol spiked with increasing concentrations of fipronil, at three room temperature scenarios: a standard (20 ± 2 °C), a tropical condition (25 ± 2 °C) and a global warming simulation (27 ± 2 °C). Temperatures influenced the fipronil effects on the species reproduction differently between soil types. In TAS and oxisol the highest toxicities (EC50-based) were found at 27 °C (EC50 TAS = 0.81, 0.70, 0.31 mg kg-1; EC50 OXISOL = 0.52, 0.54, 0.40 mg kg-1; at 20, 25, and 27 °C, respectively). In entisol, the toxicity at 27 °C was lower compared to 25 and 20 °C (EC50 ENTISOL = 0.33, 0.24, 0.12 mg kg-1, respectively). Fipronil concentrations also increased the proportion of small juveniles (growth reduction) in all tested soils. However, this effect was greater (EC10-based) at higher temperatures (25 and/or 27 °C), regardless of the soil type. TER approach revealed a significant risk of fipronil in entisol, regardless of the tested temperature, while in other soils the risk was found significant only at the higher temperatures (25 and 27 °C for TAS, and 27 °C for oxisol). These results indicate that exposures to fipronil at high temperatures (e.g., those resulting from climate change) can threaten F. candida populations, depending on the soil type.
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Affiliation(s)
- Thuanne Braúlio Hennig
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
| | - Paulo Roger Lopes Alves
- Federal University of Fronteira Sul, Av. Fernando Machado, No. 108-E, Chapecó, Santa Catarina, 89802-112, Brazil.
| | - Aline Schiehl
- Federal University of Fronteira Sul, Av. Fernando Machado, No. 108-E, Chapecó, Santa Catarina, 89802-112, Brazil
| | - Rafael Soares de Araújo
- Federal University of Fronteira Sul, Av. Fernando Machado, No. 108-E, Chapecó, Santa Catarina, 89802-112, Brazil
| | - Liziara da Costa Cabrera
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, 1580, Cerro Largo, RS, 97900000, Brazil
| | - Rafaela Roberta Morelato
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, 1580, Cerro Largo, RS, 97900000, Brazil
| | - Dilmar Baretta
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
- Centro de Educação Superior do Oeste, Santa Catarina State University, Beloni Trombeta Zanin, 680-E, Chapecó, SC, 89815-630, Brazil
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28
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Paolini L, Hausser N, Zhang T. Chiral resolution of the insecticide fipronil enantiomers and the simultaneous determination of its major transformation products by high-performance liquid chromatography interfaced with mass spectrometry. Chirality 2022; 34:473-483. [PMID: 35048416 DOI: 10.1002/chir.23412] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 12/18/2021] [Accepted: 12/20/2021] [Indexed: 01/09/2023]
Abstract
A high-performance liquid chromatography-mass spectrometry (HPLC-MS) method was developed using a chiral column based on amylose tris(3-chloro-5-methylphenylcarbamate) for analysis of fipronil (a popular insecticidal nerve agent) and the related transformation products. The optimized method reached the goal of the simultaneous and complete separation of the multiple fiproles in a single run, including the chiral separation of fipronil enantiomers, fipronil metabolites, and photoproducts. The efficacy of such a method was demonstrated by its application in analyzing a series of fipronil samples exposed to sunlight conditions. In general terms, our study provided experimental approaches and an efficient analytical tool for monitoring the environmental fate of fipronil as well as its multitransformation products upon its applications either in agricultural or any other areas.
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Affiliation(s)
- Léa Paolini
- R&D department, Chiral Technologies Europe, Illkirch Cedex, France
| | - Nicolas Hausser
- R&D department, Chiral Technologies Europe, Illkirch Cedex, France
| | - Tong Zhang
- R&D department, Chiral Technologies Europe, Illkirch Cedex, France
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29
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Chen T, Hu J, Chen Y, Liu Y, Li Y, Xu H. Tracking the environmental fate of fipronil and three of its metabolites in garlic based on sampling rate-corrected in vivo solid phase microextraction combined with gas chromatography-mass spectrometry. Anal Chim Acta 2022; 1190:339263. [PMID: 34857131 DOI: 10.1016/j.aca.2021.339263] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 11/03/2021] [Accepted: 11/06/2021] [Indexed: 11/01/2022]
Abstract
In this study, a sampling rate-corrected in vivo solid-phase microextraction-gas chromatography-mass spectrometry method (SR-in vivo SPME-GC-MS) was constructed to simultaneously detect fipronil and three of its metabolites in garlic, and their environmental behavior was long-term monitored in in vivo mode. All of three fipronil metabolites were more difficult to degrade than the parent pesticide. The final degradation rates of the metabolites in garlic were in the range of 4.4%-25.1%, much lower than that of the parent (78.6%-85.8%). While their total residues amount was about 3 times as high as fipronil, exceeding the maximum residue limits regulated by China and the European Union. The steady-state concentrations of fipronil and its metabolites in garlic were positively correlated with the pesticide stress dose. In short, the established in vivo tracking method is efficient and convenient. The features of simple operation, fast analysis, acceptable sensitivity, non-harmful or non-lethal to plants, available repeated and long-term monitoring of the same organism make it attractive for in vivo tracking assay, it is of great significance for the guidance of rational use of fipronil and protection of food safety.
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Affiliation(s)
- Tiantian Chen
- Key Laboratory of Insecticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China
| | - Jiajia Hu
- Key Laboratory of Insecticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China
| | - Yanyan Chen
- Key Laboratory of Insecticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China
| | - Ying Liu
- Key Laboratory of Insecticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China
| | - Yan Li
- Key Laboratory of Insecticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China
| | - Hui Xu
- Key Laboratory of Insecticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Wuhan, 430079, China.
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30
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Hennig TB, Alves PRL, Toniolo T, Bandeira FO, Dos Santos WE, da Costa Cabrera L, Gilson ÍK, Baretta D. Toxicity of fipronil to Folsomia candida in contrasting tropical soils and soil moisture contents: effects on the reproduction and growth. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:64-74. [PMID: 34674062 DOI: 10.1007/s10646-021-02490-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/19/2021] [Indexed: 06/13/2023]
Abstract
This study assessed the influence of three tropical soil types and soil moisture content on the toxicity and risk of the insecticide fipronil to collembolans Folsomia candida. Chronic toxicity tests were performed in a Tropical Artificial Soil (TAS), an Oxisol and an Entisol spiked with increasing concentrations of fipronil to assess the effects on the reproduction and growth of the species. The soil moisture contents were kept at 60% (standard condition) and 30 or 45% (water restriction) of their water holding capacity (WHC). The toxicity of fipronil on collembolans reproduction was about three times higher in Entisol compared to TAS or Oxisol. Higher toxicities were also found in the drier TAS (EC50 30%WHC = 0.20 vs EC50 60%WHC = 0.70 mg kg-1) and Oxisol (EC50 45%WHC = 0.27 vs EC50 60%WHC = 0.54 mg kg-1), while in Entisol lower impacts were found in the drier samples (EC50 30%WHC = 0.41 vs EC50 60%WHC = 0.24 mg kg-1). For all tested soils, the size of generated collembolans was reduced by the fipronil concentrations, regardless of soil moisture. However, the drier condition increased the effect on the growth in TAS and Entisol for some concentrations. A significant risk of exposure was found in TAS and Oxisol at drier conditions and, for Entisol, regardless of the soil moisture. The toxic effects and risk of fipronil on collembolans were higher in the natural sandy soil. The soil moisture content increase or decrease the toxicity of the insecticide for collembolans, depending on soil type.
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Affiliation(s)
- Thuanne Braúlio Hennig
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
| | - Paulo Roger Lopes Alves
- Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil.
| | - Tânia Toniolo
- Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | - Felipe Ogliari Bandeira
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
| | | | - Liziara da Costa Cabrera
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, 1580, Cerro Largo, RS, 97900000, Brazil
| | - Ítalo Kael Gilson
- Federal University of Fronteira Sul, Av. Jacob Reinaldo Haupenthal, 1580, Cerro Largo, RS, 97900000, Brazil
| | - Dilmar Baretta
- Department of Soil Science, Santa Catarina State University, Av. Luis de Camões, 2090, Lages, SC, 88520000, Brazil
- Centro de Educação Superior do Oeste, Santa Catarina State University, Beloni Trombeta Zanin, 680-E, Chapecó, SC, 89815-630, Brazil
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31
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Aparicio-Muriana MM, Jirková T, Lara FJ, García-Campaña AM. Simple and efficient method for the determination of fipronil and two main metabolites in eggs by capillary liquid chromatography. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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32
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Carbonell-Rozas L, Canales R, Lara FJ, García-Campaña AM, Silva MF. A natural deep eutectic solvent as a novel dispersive solvent in dispersive liquid-liquid microextraction based on solidification of floating organic droplet for the determination of pesticide residues. Anal Bioanal Chem 2021; 413:6413-6424. [PMID: 34410442 DOI: 10.1007/s00216-021-03605-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2021] [Revised: 07/27/2021] [Accepted: 08/05/2021] [Indexed: 10/20/2022]
Abstract
Current trends in analytical chemistry encourage the use of innocuous solvents to develop modern methods aligned with green chemistry. In this sense, natural deep eutectic solvents (NADESs) have emerged as a novel generation of green solvents which can be employed in sample treatments as an alternative to the toxic organic solvents commonly used so far. In this work, a new extraction method employs dispersive liquid-liquid microextraction based on a solid floating organic droplet (DLLME-SFO), by using a mixture composed of a less dense than water extraction solvent, 1-dodecanol, and a novel dispersive solvent, NADES. The methodology was proposed to extract and preconcentrate some pesticide residues (fipronil, fipronil-sulfide, fipronil-sulfone, and boscalid) from environmental water and white wine samples before analysis by liquid-chromatography coupled to ultraviolet detection (HPLC-UV). Limits of quantification (LOQs) lower than 4.5 μg L-1, recoveries above 80%, and precision, expressed as RSD, below 15% were achieved in both samples showing that the proposed method is a powerful, efficient, and green alternative for the determination of these compounds and, therefore, demonstrating a new application for NADES in sample preparation. In addition, the DLLME-SFOD-HPLC-UV method was evaluated and compared with other reported approaches using the Analytical GREEnness metric approach, which highlighted the greenness of the proposed method.
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Affiliation(s)
- Laura Carbonell-Rozas
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - Romina Canales
- Instituto de Biología Agrícola de Mendoza (IBAM-CONICET), Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, Mendoza, Argentina
| | - Francisco J Lara
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - Ana M García-Campaña
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Campus Fuentenueva s/n, 18071, Granada, Spain
| | - María Fernanda Silva
- Instituto de Biología Agrícola de Mendoza (IBAM-CONICET), Facultad de Ciencias Agrarias, Universidad Nacional de Cuyo, Mendoza, Argentina.
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33
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Appraisal of different clean-up strategies for the determination of fipronil and its metabolites in eggs by UHPLC-MS/MS. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106275] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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34
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Wang Y, Kumar AKS, Compton RG. Optimising Adsorptive Stripping Voltammetry: Strategies and Limitations. ChemElectroChem 2021. [DOI: 10.1002/celc.202100679] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Yuanzhe Wang
- Department of Chemistry Physical and Theoretical Chemistry Laboratory Oxford University South Parks Road Oxford OX1 3QZ UK
| | - Archana Kaliyaraj Selva Kumar
- Department of Chemistry Physical and Theoretical Chemistry Laboratory Oxford University South Parks Road Oxford OX1 3QZ UK
| | - Richard G. Compton
- Department of Chemistry Physical and Theoretical Chemistry Laboratory Oxford University South Parks Road Oxford OX1 3QZ UK
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35
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Mukherjee A, Mondal R, Biswas S, Saha S, Ghosh S, Kole RK. Dissipation behaviour and risk assessment of fipronil and its metabolites in paddy ecosystem using GC-ECD and confirmation by GC-MS/MS. Heliyon 2021; 7:e06889. [PMID: 34027148 PMCID: PMC8121653 DOI: 10.1016/j.heliyon.2021.e06889] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Revised: 03/30/2020] [Accepted: 04/21/2021] [Indexed: 11/30/2022] Open
Abstract
Fipronil -a broad spectrum phenylpyrazole insecticide has high level of toxicity towards environment. Therefore, an easy and reliable analytical method was developed for residue estimation of fipronil to ensure food and environmental safety. A modified QuEChERS technique was followed for estimation of fipronil (5% SC) in paddy ecosystem using GC-ECD and confirmation by GC-MS/MS. The initial residues (0.168-0.794 μg g-1) of total fipronil i.e., sum of fipronil and its metabolites (viz., desulfinyl and sulfone) in leaf and soil were dissipated following first order kinetics. About 92-96% of fipronil residues were degraded after 15 days with half-life of 3.4-4.1 days and pre-harvest interval of 19.4-25.7 days in plant. Residues were below level of quantification (<0.005 μg g-1) in plant and soil at harvest. The fipronil residues in rice grain present low dietary risk (RQd < 1) to human health. However, high risk (RQd > 1) was predicted for cattle health due to fipronil residues in paddy leaf up to 10 days. The residual level in soil was also at highrisk (RQs > 1) for soil ecological health.
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Affiliation(s)
- Ayan Mukherjee
- Department of Soil Science and Agricultural Chemistry, Institute of Agriculture, Palli-Siksha Bhavana, Visva Bharati, Sriniketan, 731236, Birbhum, West Bengal, India
| | - Rahul Mondal
- Food Safety Wing, Department of Health and Family Welfare, Swasthya Sathi, Kolkata 700091, West Bengal, India
| | - Subrata Biswas
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Soumen Saha
- Department of Chemistry, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Sabyasachi Ghosh
- Department of Biochemistry and Biophysics, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India
| | - Ramen Kumar Kole
- Department of Agricultural Chemicals, Faculty of Agriculture, Bidhan Chandra Krishi Viswavidyalaya, Mohanpur, 741252, Nadia, West Bengal, India
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36
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Han K, Hua J, Zhang Q, Gao Y, Liu X, Cao J, Huo N. Multi-Residue Analysis of Fipronil and Its Metabolites in Eggs by SinChERS-Based UHPLC-MS/MS. Food Sci Anim Resour 2021; 41:59-70. [PMID: 33506217 PMCID: PMC7810392 DOI: 10.5851/kosfa.2020.e76] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 08/23/2020] [Accepted: 08/25/2020] [Indexed: 11/16/2022] Open
Abstract
A method for simultaneous detection of fipronil (F) and its metabolites fipronil
desulfinyl (FD), fipronil sulfide (FS), fipronil sulfone (FSO) in chicken eggs
was applied and validated. It includes single-step, cheap, effective, rugged,
safe-based method (SinChERS) for sample preparation and ultra high performance
liquid chromatography coupled with mass spectrometry (UHPLC-MS/MS) for chemical
analysis. Results suggested that formic acid enhanced the recovery of 4 target
residues and 1% supplementation to acetonitrile gained higher recoveries
than that of 5%. SinChERS integrated extraction and clean-up steps into
one, with shorter time (1.5 h) to operate and higher recoveries
(97%–100%) than HLB, Envi-Carb-NH2 and
quik-easy-cheap-effective-rugged-safe method (QuEChERS), and it consumed the
smallest volume of extracting solvent (10 mL) as QuEChERS. Quantitative analyses
using external standard method suggested the linear ranges of 4 target compounds
were 1–20 μg/L with R2>0.9947. The limit of
detection (S/N>3) and quantification (S/N>10) were 0.3
μg/kg and 1 μg/kg. Recoveries ranged from 89.0% to
104.4%, and the relative standard deviations (n=6) at 1, 10, and
20 μg/kg were lower than 6.03%. Thirty batches of domestic eggs
(500 g each) were detected by the established SinChERS-based UHPLC-MS/MS and no
target residues were detected in all samples. The method developed in this study
is a rapid, sensitive, accurate and economic way for multi-residue analysis of
fipronil and its metabolites in eggs.
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Affiliation(s)
- Keguang Han
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
| | - Jin Hua
- Taiyuan Customs of the People's Republic of China, Taiyuan 030024, China
| | - Qi Zhang
- College of Food Science, Southwest University, Chongqing 400715, China
| | - Yuanhui Gao
- Taiyuan Customs of the People's Republic of China, Taiyuan 030024, China
| | - Xiaolin Liu
- Taiyuan Customs of the People's Republic of China, Taiyuan 030024, China
| | - Jing Cao
- Beijing Vocational College of Agriculture, Beijing 102442, China
| | - Nairui Huo
- College of Veterinary Medicine, Shanxi Agricultural University, Taigu 030801, China
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37
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Jiang X, Yang S, Yan Y, Lin F, Zhang L, Zhao W, Zhao C, Xu H. Design, Synthesis, and Insecticidal Activity of 5,5-Disubstituted 4,5-Dihydropyrazolo[1,5- a]quinazolines as Novel Antagonists of GABA Receptors. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:15005-15014. [PMID: 33269911 DOI: 10.1021/acs.jafc.0c02462] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
To control the development of resistance to conventional insecticides acting as γ-aminobutyric acid (GABA) receptor antagonists (e.g., fipronil), new GABAergic 5,5-disubstituted 4,5-dihydropyrazolo[1,5-a]quinazolines were designed via a scaffold-hopping strategy and synthesized with a facile method. Among the 50 target compounds obtained, compounds 5a, 5b, 7a, and 7g showed excellent insecticidal activities against a susceptible strain of Plutella xylostella (LC50 values ranging from 1.03 to 1.44 μg/mL), which were superior to that of fipronil (LC50 = 3.02 μg/mL). Remarkably, the insecticidal activity of compound 5a was 64-fold better than that of fipronil against the field population of fipronil-resistant P. xylostella. Electrophysiological studies against the housefly GABA receptor heterologously expressed in Xenopus oocytes indicated that compound 5a could act as a potent GABA receptor antagonist, and IC50 was calculated to be 32.5 nM. Molecular docking showed that the binding poses of compound 5a with the housefly GABA receptor can be different compared to fipronil, which explains the effectiveness of compound 5a against fipronil-resistant insects. These findings have suggested compound 5a as a lead compound for a novel GABA receptor antagonist controlling field-resistant insects and provided a basis for further design, structural modification, and development of 4,5-dihydropyrazolo[1,5-a]quinazoline motifs as new insecticidal GABA receptor antagonists.
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Affiliation(s)
- Xunyuan Jiang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
| | - Shuai Yang
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
| | - Ying Yan
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
| | - Fei Lin
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
| | - Ling Zhang
- College of Life Science and Technology, Jinan University, Guangzhou 510632, China
| | - Weijing Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
| | - Chen Zhao
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
| | - Hanhong Xu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources and Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
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38
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Han C, Hu B, Li Z, Liu C, Wang N, Fu C, Shen Y. Determination of Fipronil and Four Metabolites in Foodstuffs of Animal Origin Using a Modified QuEChERS Method and GC–NCI–MS/MS. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01872-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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39
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Tomazini R, Grosseli GM, Nara Ribeiro de Sousa D, Fadini PS, Talarico Saia F, Langenhoff A, van der Zaan B, Mozeto AA. Development of a simple method to quantify fipronil and its intermediates in soil. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:3242-3249. [PMID: 32930187 DOI: 10.1039/d0ay00924e] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A simple and reproducible method was developed and validated for simultaneous quantification of the pesticide fipronil and its intermediates fipronil desulfinyl, fipronil sulfone and fipronil sulfide, in soil. The analytes were extracted by ultrasonic bath and the ratio of solvents (hexane/acetone), number and time of cycles were optimized by Box-Behnken design with a triplicate central point. The optimal extraction conditions were achieved through a response surface analysis. The clean-up step was conducted by cartridges of solid phase extraction (SPE) containing silica (Florisil®) and aluminum oxide. Gas chromatography with electron capture detection (GC-ECD) was employed for separating fipronil and its intermediates with a suitable resolution and runtime of 20 minutes. The best quantification was achieved with 1 : 1 (v/v) acetone/hexane and 2 ultrasound cycles of 15 minutes each. The recovery values were between 81 to 108%, with relative standard deviation (RSD) lower than 6%, with no effect of the used matrix. Analytical curves presented regression coefficients values above 0.9908 for a concentration range from 0.005 to 0.6 μg g-1. Limits of detection (LOD) from 0.002 to 0.006 μg g-1 and limits of quantification (LOQ) from 0.006 to 0.020 μg g-1 were reached for all analytes. This method can be used to monitor and quantify fipronil and its intermediates in soil.
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Affiliation(s)
- Rafaella Tomazini
- Laboratory of Environmental Biogeochemistry, Nucleus of Diagnoses and Environmental Interventions, Department of Chemistry, Federal University of São Carlos - UFSCar, Via Washington Luís km 235, São Carlos 13565-905, SP, Brazil.
| | - Guilherme Martins Grosseli
- Laboratory of Environmental Biogeochemistry, Nucleus of Diagnoses and Environmental Interventions, Department of Chemistry, Federal University of São Carlos - UFSCar, Via Washington Luís km 235, São Carlos 13565-905, SP, Brazil.
| | - Diana Nara Ribeiro de Sousa
- Laboratory of Environmental Biogeochemistry, Nucleus of Diagnoses and Environmental Interventions, Department of Chemistry, Federal University of São Carlos - UFSCar, Via Washington Luís km 235, São Carlos 13565-905, SP, Brazil.
| | - Pedro Sergio Fadini
- Laboratory of Environmental Biogeochemistry, Nucleus of Diagnoses and Environmental Interventions, Department of Chemistry, Federal University of São Carlos - UFSCar, Via Washington Luís km 235, São Carlos 13565-905, SP, Brazil.
| | - Flávia Talarico Saia
- Institute of Marine Sciences, Federal University of São Paulo, Av. Dr Carvalho de Mendonça, 144, Encruzilhada, 11070-102, Santos, SP, Brazil.
| | - Alette Langenhoff
- Department of Environmental Technology, Wageningen University & Research, PO Box 17, 6700 EV Wageningen, The Netherlands.
| | - Bas van der Zaan
- Subsurface and Groundwater Systems Deltares, PO Box 85467, 3508 AL, Utrecht, The Netherlands.
| | - Antonio Aparecido Mozeto
- Laboratory of Environmental Biogeochemistry, Nucleus of Diagnoses and Environmental Interventions, Department of Chemistry, Federal University of São Carlos - UFSCar, Via Washington Luís km 235, São Carlos 13565-905, SP, Brazil.
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40
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Li X, Ma W, Li H, Zhang Q, Ma Z. Determination of residual fipronil and its metabolites in food samples: A review. Trends Food Sci Technol 2020. [DOI: 10.1016/j.tifs.2020.01.018] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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41
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Liu W, Nie H, Liang D, Bai Y, Liu H. Phospholipid imaging of zebrafish exposed to fipronil using atmospheric pressure matrix-assisted laser desorption ionization mass spectrometry. Talanta 2020; 209:120357. [DOI: 10.1016/j.talanta.2019.120357] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 09/05/2019] [Accepted: 09/14/2019] [Indexed: 10/26/2022]
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42
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Aparicio-Muriana MM, Lhotská I, García-Campaña AM, Lara FJ. A first approach using micellar electrokinetic capillary chromatography for the determination of fipronil and fipronil-sulfone in eggs. Electrophoresis 2019; 41:202-208. [PMID: 31785119 DOI: 10.1002/elps.201900291] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 10/30/2019] [Accepted: 11/21/2019] [Indexed: 01/17/2023]
Abstract
Fipronil is an insecticide that is not approved in the European Union in food. In 2017, fipronil was involved in a European health alert due to its presence in fresh hen eggs because of an illicit use in poultry farms, so reliable methods are needed to determine fipronil and its main metabolites in these matrixes. In this work, we report the first approach to the study of fipronil and two metabolites, fipronil-sulfone and fipronil-sulfide by CE. MEKC mode was employed using a solution of 50 mM ammonium perfluorooctanoate pH 9.0 with 10% (v/v) methanol as background electrolyte. The proposed method was combined with a simple sample treatment based on salting-out assisted LLE (SALLE) using acetonitrile as extraction solvent and ammonium sulfate as salt. The SALLE-MEKC-UV method allowed the simultaneous quantification of fipronil and fipronil-sulfone. Validation parameters yielded satisfactory results, with precision, expressed as relative SD, below 14% and recoveries higher than 83%. Limits of detection were 90 µg/kg for fipronil and 150 µg/kg for fipronil-sulfone, so in terms of sensitivity further studies of sample treatments allowing extra preconcentration or the use of more sensitive detection, such as MS, would be needed.
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Affiliation(s)
- M Mar Aparicio-Muriana
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Granada, Spain
| | - Ivona Lhotská
- Department of Analytical Chemistry, Faculty of Pharmacy in Hradec Králové, Charles University, Prague, Czech Republic
| | - Ana M García-Campaña
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Granada, Spain
| | - Francisco J Lara
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, Granada, Spain
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43
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Abdallah OI, Ahmed NS. Development of a Vortex-Assisted Dispersive Liquid-Liquid Microextraction (VA-DLLME) and LC-MS/MS Procedure for Simultaneous Determination of Fipronil and its Metabolite Fipronil Sulfone in Tomato Fruits. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01562-z] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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44
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Li X, Li H, Ma W, Guo Z, Li X, Song S, Tang H, Li X, Zhang Q. Development of precise GC-EI-MS method to determine the residual fipronil and its metabolites in chicken egg. Food Chem 2019; 281:85-90. [DOI: 10.1016/j.foodchem.2018.12.041] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2018] [Revised: 11/22/2018] [Accepted: 12/09/2018] [Indexed: 01/17/2023]
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45
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Yin J, Chen X, Chen Z. Quenched electrochemiluminescence sensor of ZnO@g-C3N4 modified glassy carbon electrode for fipronil determination. Microchem J 2019. [DOI: 10.1016/j.microc.2018.09.030] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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46
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Tu Q, Hickey ME, Yang T, Gao S, Zhang Q, Qu Y, Du X, Wang J, He L. A simple and rapid method for detecting the pesticide fipronil on egg shells and in liquid eggs by Raman microscopy. Food Control 2019. [DOI: 10.1016/j.foodcont.2018.08.025] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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47
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Yang SL, Lu JN, Zhang SJ, Zhang CX, Wang QL. 2D europium coordination polymer as a regenerable fluorescence probe for efficiently detecting fipronil. Analyst 2018; 143:4901-4906. [PMID: 30215082 DOI: 10.1039/c8an00701b] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Recently, considerable attention has been paid to European eggs that were found to contain the poisonous insecticide fipronil. Excessive consumption of fipronil can harm the human body, in particular, the liver, thyroid, nervous system and kidneys. As a consequence, there is an urgent need to develop a method to detect fipronil. In this work, a lanthanide coordination polymer [Eu(SIP)(H2O)4]n (1) (NaH2SIP = 5-sulfoisophthalic acid monosodium salt) was synthesized and characterized by single-crystal X-ray crystallography, elemental analysis, infrared spectrum and powder X-ray diffractions. The X-ray studies show that 1 is a two-dimensional layered structure, which is constructed of fused {[Eu(H2O)4]3(SIP)3} pseudo-hexagonal grids. The luminescence properties of 1 exhibit effective recognition for fipronil in methanol solution. Furthermore, a wide linear range (10-6-10-4 M), a low detection limit of 0.8 μM, high selectivity and excellent recyclability, reveal that 1 can potentially act as a luminescence-based sensor for quantitative and highly sensitive detection of fipronil. To the best of our knowledge, it is the first time that a metal-organic coordination polymer, as a fluorescent-based probe, has been used for the detection of fipronil. Moreover, fluorescent-based test papers of 1 have also been prepared, which can be regarded as a simple and practical method for detecting fipronil.
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Affiliation(s)
- Shuai-Liang Yang
- College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, P. R. China.
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48
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Chen H, Gao G, Yin P, Dai J, Chai Y, Liu X, Lu C. Enantioselectivity and residue analysis of fipronil in tea (Camellia sinensis) by ultra-performance liquid chromatography Orbitrap mass spectrometry. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:2000-2010. [DOI: 10.1080/19440049.2018.1497306] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Hongping Chen
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Quality and Safety, Ministry of Agriculture, Hangzhou, China
| | - Guanwei Gao
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Quality and Safety, Ministry of Agriculture, Hangzhou, China
| | - Peng Yin
- Department of Tea Science, Xinyang Agriculture and Forestry University, Xinyang, China
| | - Jinxia Dai
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Quality and Safety, Ministry of Agriculture, Hangzhou, China
| | - Yunfeng Chai
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Quality and Safety, Ministry of Agriculture, Hangzhou, China
| | - Xin Liu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Quality and Safety, Ministry of Agriculture, Hangzhou, China
| | - Chengyin Lu
- Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, China
- Key Laboratory of Tea Quality and Safety, Ministry of Agriculture, Hangzhou, China
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49
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Wang N, Wang C, Li H, Fang L, Ding R, Mao J, Chen Z, Yang G, Aboul-Enein HY. Determination of fipronil and its metabolites in eggs by UPLC-QqLIT-MS/MS with multistage mass spectrometry mode. J LIQ CHROMATOGR R T 2018. [DOI: 10.1080/10826076.2018.1485041] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Ni Wang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, China
| | - Chenchen Wang
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, China
- Shandong Provincial Key Laboratory of Testing Technology for Food Quality and Security, Jinan, China
| | - Huidong Li
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, China
- Shandong Provincial Key Laboratory of Testing Technology for Food Quality and Security, Jinan, China
| | - Liping Fang
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, China
- Shandong Provincial Key Laboratory of Testing Technology for Food Quality and Security, Jinan, China
| | - Ruiyan Ding
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, China
- Shandong Provincial Key Laboratory of Testing Technology for Food Quality and Security, Jinan, China
| | - Jiangsheng Mao
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, China
- Shandong Provincial Key Laboratory of Testing Technology for Food Quality and Security, Jinan, China
| | - Zilei Chen
- Institution of Quality Standard and Testing Technology for Agro-product, Shandong Academy of Agricultural Science, Jinan, China
- Shandong Provincial Key Laboratory of Testing Technology for Food Quality and Security, Jinan, China
| | - Guosheng Yang
- School of Chemistry and Chemical Engineering, Shandong University, Jinan, China
| | - Hassan Y. Aboul-Enein
- Pharmaceutical and Medicinal Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Center, Dokki, Cairo, Egypt
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50
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Guo Q, Zhao S, Zhang J, Qi K, Du Z, Shao B. Determination of fipronil and its metabolites in chicken egg, muscle and cake by a modified QuEChERS method coupled with LC-MS/MS. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1543-1552. [DOI: 10.1080/19440049.2018.1472395] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
Affiliation(s)
- Qiaozhen Guo
- College of Science, Beijing University of Chemical Technology, Beijing, China
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing, China
| | - Shan Zhao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing, China
| | - Jing Zhang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing, China
| | - Kailun Qi
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing, China
| | - Zhenxia Du
- College of Science, Beijing University of Chemical Technology, Beijing, China
| | - Bing Shao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Control & Prevention, Beijing, China
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing, China
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