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He C, Liu J, Cheng J, Yu Z, Zhang H, Gu A, Yang S, Gao Y, Gao C. Simple preparation of nitenpyram-intercalated clay nanosheets with reduced leaching risk and improved safety to insect pollinators. JOURNAL OF HAZARDOUS MATERIALS 2024; 479:135715. [PMID: 39259988 DOI: 10.1016/j.jhazmat.2024.135715] [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: 06/01/2024] [Revised: 08/07/2024] [Accepted: 08/30/2024] [Indexed: 09/13/2024]
Abstract
Neonicotinoids, highly toxic to insects, are among the world's most used insecticides. However, their harmful effects on pollinators like honeybees and potential to contaminate water bodies have drawn significant criticism. Herein, a nanopesticide, NTP@LDH, was developed by intercalating the model neonicotinoid insecticide nitenpyram (NTP) within layered double hydroxide (LDH) materials using a simple one-pot method. The NTP@LDH showed a nano-sized sheet structure, with an average particle size of 206.2 nm and a loading capacity of 14.6 %. The release rate of NTP@LDH under acidic conditions was higher than that under alkaline or neutral conditions. The photodegradation capacity and insecticidal activity of NTP were unaffected by intercalation in LDH. Importantly, NTP@LDH could significantly enhance the foliar adhesive properties of NTP, retard its leaching through the soil, and improve its safety for honeybees. Moreover, LDH was safe for crops and can improve their growth. This work provides a promising strategy with a simple procedure that could reduce leaching risks of neonicotinoids while concurrently enhancing their safety to pollinating creatures.
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Affiliation(s)
- Chengshuai He
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China
| | - Jiao Liu
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China
| | - Jikang Cheng
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China
| | - Zhe Yu
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China
| | - Hui Zhang
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China
| | - Aiguo Gu
- Jiangsu Product Quality Testing & Inspection Institute, Nanjing 210007, Jiangsu, China
| | - Song Yang
- Jiangsu Product Quality Testing & Inspection Institute, Nanjing 210007, Jiangsu, China
| | - Yunhao Gao
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China.
| | - Congfen Gao
- College of Plant Protection, Nanjing Agricultural University; State & Local Joint Engineering Research Center of Green Pesticide-Invention and Application, Nanjing 210095, Jiangsu, China.
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Yan XT, Cai YY, Zhang QQ, Guo Z, Ying GG. Neonicotinoid insecticides in a large-scale agricultural basin system-Use, emission, transportation, and their contributions to the ecological risks in the Pearl River Basin, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174392. [PMID: 38955277 DOI: 10.1016/j.scitotenv.2024.174392] [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: 01/22/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/04/2024]
Abstract
Neonicotinoid pollution has increased rapidly and globally in recent years, posing significant risks to agricultural areas. Quantifying use and emission, transport and fate of these contaminants, and risks is critical for proper management of neonicotinoids in river basin. This study elucidates use and emissions of neonicotinoid pesticides in a typical large-scale agriculture basin of China, the Pearl River Basin, as well as the resulting agricultural non-point source pollution and related ecological risks using market surveys, data analysis, and the Soil and Water Assessment Tool. Neonicotinoid use in the basin was estimated at 1361 t in 2019, of which 83.1 % was used in agriculture. After application, approximately 99.1 t neonicotinoids were transported to the Pearl River, accounting for 7.2 % of the total applied. Estimated aquatic concentrations of neonicotinoids showed three seasonal peaks. Several distinct groups of neonicotinoid chemicals can be observed in the Pearl River, as estimated by the model. An estimated 3.9 % of the neonicotinoids used were transported to the South China Sea. Based on the present risk assessment result, several neonicotinoids posed risks to aquatic organism. Therefore, the use of alternative products and/or reduced use is deemed necessary. This study provides novel insights into the fate and ecological risks of neonicotinoid insecticides in large-scale watersheds, and underscores the need for greater efficiency of use and extensive environmental monitoring.
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Affiliation(s)
- Xiao-Ting Yan
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China; School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Ya-Ya Cai
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China; School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Qian-Qian Zhang
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China; School of Environment, South China Normal University, University Town, Guangzhou 510006, China.
| | - Zhao Guo
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China; School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China; School of Environment, South China Normal University, University Town, Guangzhou 510006, China
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3
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He X, Chen J, Xin M, Han T, Wang Y, Han C, Wang B. Spatiotemporal distribution, risk levels, and transport variations in neonicotinoids and fipronil and its metabolites cross a river-to-sea continuum. JOURNAL OF HAZARDOUS MATERIALS 2024; 477:135297. [PMID: 39106726 DOI: 10.1016/j.jhazmat.2024.135297] [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: 03/22/2024] [Revised: 07/20/2024] [Accepted: 07/21/2024] [Indexed: 08/09/2024]
Abstract
Neonicotinoids (NEOs) and fipronil are widely used in pest control, but their spatiotemporal distribution and risk levels in the "river-estuary-bay" system remain unclear. Between 2018 and 2021, 148 water samples from rivers to inshore and offshore seawater in Laizhou Bay, China were collected to investigate the presence of eight NEOs and fipronil and its metabolites (FIPs). Significant seasonal variations in NEOs were observed under the influence of different cultivation practices and climatic conditions, with higher levels in the summer than in the spring. The average concentrations of total neonicotinoids (ΣNEOs) and ∑FIPs decreased from rivers (63.64 ng/L, 2.41 ng/L) to inshore (22.62 ng/L, 0.14 ng/L) and offshore (4.48 ng/L, 0.10 ng/L) seawater of Laizhou Bay. The average concentrations of ΣNEOs decreased by 85.3 % from 2018 to 2021. The predominant insecticides in the study area were acetamiprid, thiamethoxam, imidacloprid, and fipronil sulfone, with a gradual shift toward low-toxicity and environmentally friendly species over time. Influenced by agricultural intensity, ∑NEOs were mostly distributed in the Yellow River, Xiaoqing River, and their estuaries, where they pose chronic ecological risks. However, FIP exhibited high risk in certain rivers and sewage treatment plants owing to the use of animal repellents or landscape gardening insecticides. This study provides evidence of the transfer of NEOs and FIPs from rivers to the ocean and also clarifies their transition dynamics and changes in risk levels from rivers to oceans. Additionally, the study offers data support for identifying critical pesticide control areas.
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Affiliation(s)
- Xiuping He
- Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266071, China
| | - Junhui Chen
- Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266071, China.
| | - Ming Xin
- Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266071, China
| | - Tongzhu Han
- Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Yuning Wang
- Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China
| | - Chao Han
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, College of Biology and Environmental Engineering, Zhejiang Shuren University, Hangzhou 310015, China
| | - Baodong Wang
- Qingdao Key Laboratory of Analytical Technology Development and Offshore Eco-Environment Conservation, Key Laboratory of Marine Eco-Environmental Science and Technology, First Institute of Oceanography, Ministry of Natural Resources, Qingdao 266061, China; Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Qingdao 266071, China
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4
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Crayol E, Huneau F, Garel E, Zuffianò LE, Limoni PP, Romanazzi A, Mattei A, Re V, Knoeller K, Polemio M. Investigating pollution input to coastal groundwater-dependent ecosystems in dry Mediterranean agricultural regions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176015. [PMID: 39241882 DOI: 10.1016/j.scitotenv.2024.176015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 08/13/2024] [Accepted: 09/02/2024] [Indexed: 09/09/2024]
Abstract
The insufficient taking into account of groundwater as a basis for implementing protection measures for coastal wetlands can be related to the damage they are increasingly exposed to. The aim of this study is to demonstrate the pertinence of combining hydrogeological tools with assessment of pollutant fluxes and stable isotopes of O, H and N, as well as groundwater time-tracers to identify past and present pollution sources resulting from human activities and threatening shallow groundwater-dependent ecosystems. A survey combining physico-chemical parameters, major ions, environmental isotopes (18O, 2H, 15N and 3H), with emerging organic contaminants including pesticides and trace elements, associated with a land use analysis, was carried out in southern Italy, including groundwater, surface water and lagoon water samples. Results show pollution of the shallow groundwater and the connected lagoon from both agricultural and domestic sources. The N-isotopes highlight nitrate sources as coming from the soil and associated with the use of manure-type fertilizers related to the historical agricultural context of the area involving high-productivity olive groves. Analysis of EOCs has revealed the presence of 8 pesticides, half of which have been banned for two decades and two considered as pollutant legacies (atrazine and simazine), as well as 15 molecules, including pharmaceuticals and stimulants, identified in areas with human regular presence, including rapidly degradable compounds (caffeine and ibuprofen). Results show that agricultural pollution in the area is associated with the legacy of intensive olive growing in the past, highlighting the storage capacity of the aquifer, while domestic pollution is sporadic and associated with regular human presence without efficient modern sanitation systems. Moreover, results demonstrate the urgent need to consider groundwater as a vector of pollution to coastal ecosystems and the impact of pollutant legacies in planning management measures and policies, with the aim of achieving 'good ecological status' for waterbodies.
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Affiliation(s)
- E Crayol
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | - F Huneau
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France.
| | - E Garel
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | - L E Zuffianò
- CNR-IRPI, National Research Council-Research Institute for Hydrogeological Protection, 70126 Bari, Italy
| | - P P Limoni
- CNR-IRPI, National Research Council-Research Institute for Hydrogeological Protection, 70126 Bari, Italy
| | - A Romanazzi
- CNR-IRPI, National Research Council-Research Institute for Hydrogeological Protection, 70126 Bari, Italy
| | - A Mattei
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | - V Re
- Università di Pisa, Dipartimento di Scienze della Terra, Via Santa Maria 53, 56126 Pisa, Italy
| | - K Knoeller
- UFZ-Helmholtz Centre for Environmental Research, Isotope Tracer Group, Theodor-Lieser-Str. 4, 06120 Halle, Germany; Technical University of Darmstadt, Institute of Applied Geosciences, Schnittspahnstr. 9, 64287 Darmstadt, Germany
| | - M Polemio
- CNR-IRPI, National Research Council-Research Institute for Hydrogeological Protection, 70126 Bari, Italy
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Hu Y, Ye Z, Wu H, Chen X, Xia H, Cai JP, Hu GX, Xu RA. Functional assessment of CYP3A4 and CYP2C19 genetic polymorphisms on the metabolism of clothianidin invitro. Chem Biol Interact 2024; 399:111154. [PMID: 39025286 DOI: 10.1016/j.cbi.2024.111154] [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: 03/31/2024] [Revised: 07/03/2024] [Accepted: 07/15/2024] [Indexed: 07/20/2024]
Abstract
Clothianidin, classified as a second-generation neonicotinoid, has achieved extensive application due to its high efficacy against insect pests. This broad-spectrum usage has resulted in its frequent detection in environmental surveys. CYP2C19 and CYP3A4 are crucial for converting clothianidin to desmethyl-clothianidin (dm-clothianidin). The expression of these CYP450s can be significantly influenced by genetic polymorphisms. The objective of our research was to examine the catalytic effects of 27 CYP3A4 variants and 31 CYP2C19 variants on the metabolism of clothianidin within recombinant insect microsomes. These variants were assessed through a well-established incubation procedure. In addition, the concentration of its metabolite dm-clothianidin was quantified by employing an ultra performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS). Lastly, the kinetic parameters of these CYP3A4 and CYP2C19 variants were calculated by applying Michaelis-Menten kinetic analysis to fit the data. The observed changes in enzyme activity were related to the metabolic transformation of clothianidin to dm-clothianidin. In the CYP2C19 metabolic pathway, one variant (CYP2C19.23) showed no notable change in intrinsic clearance (CLint), four variants (CYP2C19.29, .30, .31 and L16F) demonstrated a marked increase in CLint (110.86-183.46 %), and the remaining 25 variants exhibited a considerable decrease in CLint (26.38-89.79 %), with a maximum decrease of 73.62 % (CYP2C19.6). In the CYP3A4 metabolic pathway, 26 variants demonstrated significantly reduced CLint (10.54-52.52 %), with a maximum decrease of 89.46 % (CYP3A4.20). Our results suggested that most variants of CYP3A4 and CYP2C19 significantly altered the enzymatic activities associated with clothianidin metabolism to various degrees. This study provides new insights into assessing the metabolic behavior of pesticides and delivers crucial data that can guide clinical detoxification strategies.
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Affiliation(s)
- Yingying Hu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Zhize Ye
- Shaoxing People's Hospital, Shaoxing, Zhejiang, China
| | - Hualu Wu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaohai Chen
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hailun Xia
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jian-Ping Cai
- The Key Laboratory of Geriatrics, Beijing Institute of Geriatrics, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing Hospital, National Center of Gerontology of National Health Commission, Beijing, China.
| | - Guo-Xin Hu
- Institute of Molecular Toxicology and Pharmacology, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang, China.
| | - Ren-Ai Xu
- The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China.
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6
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Ma J, Xiao Y, Chen J, Shen Y, Xiao S, Cao S. Dual-pathway charge transfer mechanism of anatase/rutile TiO 2-Ag 3PO 4 hollow photocatalyst promotes efficient degradation of pesticides. J Colloid Interface Sci 2024; 678:334-344. [PMID: 39208761 DOI: 10.1016/j.jcis.2024.08.162] [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: 06/27/2024] [Revised: 08/09/2024] [Accepted: 08/20/2024] [Indexed: 09/04/2024]
Abstract
Exploring high-performance photocatalysts still remains a big challenge due to poor charge separation efficiency. Herein, we prepare a novel anatase/rutile TiO2-Ag3PO4 hollow photocatalyst (A/R-TiO2-Ag3PO4) for addressing this challenge. Microstructural characterization and photoelectric measurements confirm that the synergy of hollow structure and dual-heterojunction can provide abundant active sites and boost efficient charge separation through dual-pathway charge transfer mechanism. The A/R-TiO2-Ag3PO4 photocatalyst exhibits the highest photocurrent density (15.25 µA cm-2), which is 8.4 and 5.2 times than that of A-TiO2-Ag3PO4 (1.82 µA cm-2) and P25-Ag3PO4 (2.93 µA cm-2), respectively. Photo-degradation experiment shows that A/R-TiO2-Ag3PO4 presents a high degradation percentage (98.7 %) of thiamethoxam (THX) within 30 min, which is 1.45 and 1.23 times than that of A-TiO2-Ag3PO4 (68.1 %) and P25-Ag3PO4 (80.7 %), respectively. Furthermore, the degradation percentage of THX by A/R-TiO2-Ag3PO4 is as high as 96.4 % after seven successive cycles, indicating excellent cycling stability. Therefore, this work provides a new insight into exploring other high-performance photocatalysts by combining hollow structure and dual-heterojunction.
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Affiliation(s)
- Junjie Ma
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Yingguan Xiao
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China; School of Safety Management, GuangXi Vocational College of Safety Engineering, Nanning 530100, China
| | - Juanrong Chen
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Yue Shen
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Sisi Xiao
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Shunsheng Cao
- School of Materials Science and Engineering, Jiangsu University, Zhenjiang 212013, China.
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Cao Y, Zhang X, Zhang Z, Li Q, Yan Y. Neonicotinoid insecticides in waters of Hongze lake, the largest impounded lake on the South-to-North water diversion project, China: Implications for environmental and public health. ENVIRONMENTAL RESEARCH 2024; 262:119818. [PMID: 39168430 DOI: 10.1016/j.envres.2024.119818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 07/24/2024] [Accepted: 08/18/2024] [Indexed: 08/23/2024]
Abstract
Contamination by neonicotinoid (NEO) insecticides in surface waters is a global problem. Nevertheless, the occurrence of NEOs in lakes is not well known. Hongze Lake, the largest impounded lake on the Eastern Route of the South-to-North Water Diversion Project, was selected to investigate the distribution, ecological risks, and health risks of NEOs. Water samples from the lake and nearby rivers were collected and analyzed for 8 widely used NEOs in three seasons. The results indicated the average total NEO concentration in summer, winter, and spring was 222, 211, and 244 ng L-1 for the river water, and 265, 213, and 181 ng L-1 for the lake water, respectively, with no statistical seasonal difference. For the river water, the highest total NEO concentration in the three seasons was observed in the Andong River. For the lake water, the total NEO concentrations in summer were relatively high in sites near the inflow river estuaries due to the high riverine inputs during the flood period. The spatial difference in NEO concentration was relatively low in winter, which may be related to the wind-driven lake current. The seasonal variation in NEO compositions in the lake was generally similar to that in the river, indicating riverine input was the important source for the lake. Huai River was the largest contributor to the NEO inputs to the lake, and Sanhe Gate was the major output pathway. Clothianidin and imidacloprid in the river and lake water would produce moderate acute ecological risks in summer. Thus, the usage of the above two NEOs should be decreased or restricted. For integral NEO risks, 53% and 58% of the river and lake water sites exceeded the acute ecological threshold, respectively. Health risk assessment suggested drinking the water obtained from the lake would not produce a negative impact on public health.
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Affiliation(s)
- Yuanxin Cao
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Xiaoxin Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China.
| | - Zhijie Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Qiao Li
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Yubo Yan
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China.
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8
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Huang A, Van den Brink PJ, Van den Brink NW, Baas J. A dynamic energy budget (DEB) model to assess the sublethal effects of imidacloprid toward Gammarus pulex at different temperatures. CHEMOSPHERE 2024; 361:142511. [PMID: 38825249 DOI: 10.1016/j.chemosphere.2024.142511] [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: 01/30/2024] [Revised: 05/03/2024] [Accepted: 05/31/2024] [Indexed: 06/04/2024]
Abstract
Environmental ambient temperature significantly impacts the metabolic activities of aquatic ectotherm organisms and influences the fate of various chemicals. Although numerous studies have shown that the acute lethal toxicity of most chemicals increases with increasing temperature, the impact of temperature on chronic effects - encompassing both lethal and sublethal endpoints - has received limited attention. Furthermore, the mechanisms linking temperature and toxicity, potentially unveiled by toxicokinetic-toxicodynamic models (TKTD), remains inadequately explored. This study investigated the effects of environmentally relevant concentrations of the insecticide imidacloprid (IMI) on the growth and survival of the freshwater amphipod Gammarus pulex at two different temperatures. Our experimental design was tailored to fit a TKTD model, specifically the Dynamic Energy Budget (DEB) model. We conducted experiments spanning three and six months, utilizing small G. pulex juveniles. We observed effects endpoints at least five times, employing both destructive and non-destructive methods, crucial for accurate model fittings. Our findings reveal that IMI at environmental concentrations (up to 0.3 μg/L) affects the growth and survival of G. pulex, albeit with limited effects, showing a 10% inhibition compared to the control group. These limited effects, observed in both lethal and sublethal aspects, suggest a different mode of action at low, environmentally-relevant concentrations in long-term exposure (3 months), in contrast to previous studies which applied higher concentrations and found that sublethal effects occurred at significantly lower levels than lethal effects in an acute test setting (4 days). Moreover, after parameterizing the DEB model for various temperatures, we identified a lower threshold for both lethal and sublethal effects at higher temperatures, indicating increased intrinsic sensitivity. Overall, this study contributes to future risk assessments considering temperature as a crucial factor and exemplifies the integration of the DEB model into experimental design for comprehensive toxicity evaluations.
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Affiliation(s)
- Anna Huang
- Wageningen Environmental Research, P.O. Box 47, 6700, AA Wageningen, the Netherlands; Aquatic Ecology and Water Quality Management Group, Wageningen University, P.O. Box 47, 6700, AA Wageningen, the Netherlands.
| | - Paul J Van den Brink
- Aquatic Ecology and Water Quality Management Group, Wageningen University, P.O. Box 47, 6700, AA Wageningen, the Netherlands
| | - Nico W Van den Brink
- Sub-department of Toxicology, Wageningen University, P.O. Box 8000, 6700, EA Wageningen, the Netherlands
| | - Jan Baas
- Wageningen Environmental Research, P.O. Box 47, 6700, AA Wageningen, the Netherlands
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9
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Liu Z, Zhang F, Gao S, Zhang L, Fu Q, Cui S. Neonicotinoid insecticides in paddy fields: Dissipation dynamics, migration, and dietary risk. CHEMOSPHERE 2024; 359:142371. [PMID: 38768784 DOI: 10.1016/j.chemosphere.2024.142371] [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: 01/21/2024] [Revised: 04/20/2024] [Accepted: 05/16/2024] [Indexed: 05/22/2024]
Abstract
Neonicotinoid insecticides (NNIs) have caused widespread contamination of multiple environmental media and posed a serious threat to ecosystem health by accidently injuring non-target species. This study collected samples of water, soil, and rice plant tissues in a water-soil-plant system of paddy fields after spaying imidacloprid (IMI), thiamethoxam (THM), and clothianidin (CLO) to analyze their distribution characteristics and migration procedures and to assess related dietary risks of rice consumption. In the paddy water, the concentrations of NNIs showed a dynamic change of increasing and then decreasing during about a month period, and the initial deposition of NNIs showed a trend of CLO (3.08 μg/L) > THM (2.74 μg/L) > IMI (0.97 μg/L). In paddy soil, the concentrations of the three NNIs ranged from 0.57 to 68.3 ng/g, with the highest residual concentration at 2 h after application, and the concentration trend was opposite to that in paddy water. The initial deposition amounts of IMI, THM, and CLO in the root system were 5.19, 3.02, and 5.24 μg/g, respectively, showing a gradual decrease over time. In the plant, the initial deposition amounts were 19.3, 9.36, and 52.6 μg/g for IMI, THM, and CLO, respectively, exhibiting concentration trends similar to those in the roots. Except for IMI in soil, the dissipation of the NNIs conformed to the first-order kinetic equation in paddy water, soil, and plant. The results of bioconcentration factors (BCFs) and translocation factor (TF) indicated that NNIs can be bi-directionally transported in plants through leaf absorption and root uptake. The risk of NNIs intake through rice consumption was low for all age groups, with a slightly higher risk of exposure in males than in females.
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Affiliation(s)
- Zhikun Liu
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; School of Advanced Agricultural Sciences, Weifang University, Weifang, Shandong, 261061, China
| | - Fuxiang Zhang
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Shang Gao
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Leiming Zhang
- Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario, M3H 5T4, Canada
| | - Qiang Fu
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Song Cui
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China; Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China.
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10
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Shi G, Hou R, Fu Q, Li T, Chen Q. Effects of biochar and compost on microbial community assembly and metabolic processes in glyphosate, imidacloprid and pyraclostrobin polluted soil under freezethaw cycles. JOURNAL OF HAZARDOUS MATERIALS 2024; 471:134397. [PMID: 38677114 DOI: 10.1016/j.jhazmat.2024.134397] [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: 02/24/2024] [Revised: 04/21/2024] [Accepted: 04/22/2024] [Indexed: 04/29/2024]
Abstract
Biochar and organic compost are widely used in agricultural soil remediation as soil immobilization agents. However, the effects of biochar and compost on microbial community assembly processes in polluted soil under freezingthawing need to be further clarified. Therefore, a freezethaw cycle experiment was conducted with glyphosate (herbicide), imidacloprid (insecticide) and pyraclostrobin (fungicide) polluted to understand the effect of biochar and compost on microbial community assembly and metabolic behavior. We found that biochar and compost could significantly promote the degradation of glyphosate, imidacloprid and pyraclostrobin in freezethaw soil decrease the half-life of the three pesticides. The addition of immobilization agents improved soil bacterial and fungal communities and promoted the transformation from homogeneous dispersal to homogeneous selection. For soil metabolism, the combined addition of biochar and compost alleviated the pollution of glyphosate, imidacloprid and imidacloprid to soil through up-regulation of metabolites (DEMs) in amino acid metabolism pathway and down-regulation of DEMs in fatty acid metabolism pathway. The structural equation modeling (SEM) results showed that soil pH and DOC were the main driving factors affecting microbial community assembly and metabolites. In summary, the combined addition of biochar and compost reduced the adverse effects of pesticides residues.
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Affiliation(s)
- Guoxin Shi
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Key Laboratory of Effective Utilization of Agricultural Water Resources of Ministry of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Heilongjiang Provincial Key Laboratory of Water Resources and Water Conservancy Engineering in Cold Region, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Renjie Hou
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Key Laboratory of Effective Utilization of Agricultural Water Resources of Ministry of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Heilongjiang Provincial Key Laboratory of Water Resources and Water Conservancy Engineering in Cold Region, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qiang Fu
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Key Laboratory of Effective Utilization of Agricultural Water Resources of Ministry of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Heilongjiang Provincial Key Laboratory of Water Resources and Water Conservancy Engineering in Cold Region, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
| | - Tianxiao Li
- School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Key Laboratory of Effective Utilization of Agricultural Water Resources of Ministry of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang 150030, China; Heilongjiang Provincial Key Laboratory of Water Resources and Water Conservancy Engineering in Cold Region, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Qingshan Chen
- College of Agriculture, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
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11
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Ding L, Guo J, Chen S, Wang Y. Electrochemical sensing mechanisms of neonicotinoid pesticides and recent progress in utilizing functional materials for electrochemical detection platforms. Talanta 2024; 273:125937. [PMID: 38503124 DOI: 10.1016/j.talanta.2024.125937] [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: 01/07/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/21/2024]
Abstract
The excessive residue of neonicotinoid pesticides in the environment and food poses a severe threat to human health, necessitating the urgent development of a sensitive and efficient method for detecting trace amounts of these pesticides. Electrochemical sensors, characterized by their simplicity of operation, rapid response, low cost, strong selectivity, and high feasibility, have garnered significant attention for their immense potential in swiftly detecting trace target molecules. The detection capability of electrochemical sensors primarily relies on the catalytic activity of electrode materials towards the target analyte, efficient loading of biomolecular functionalities, and the effective conversion of interactions between the target analyte and its receptor into electrical signals. Electrode materials with superior performance play a crucial role in enhancing the detection capability of electrochemical sensors. With the continuous advancement of nanotechnology, particularly the widespread application of novel functional materials, there is paramount significance in broadening the applicability and expanding the detection range of pesticide sensors. This comprehensive review encapsulates the electrochemical detection mechanisms of neonicotinoid pesticides, providing detailed insights into the outstanding roles, advantages, and limitations of functional materials such as carbon-based materials, metal-organic framework materials, supramolecular materials, metal-based nanomaterials, as well as molecular imprinted materials, antibodies/antigens, and aptamers as molecular recognition elements in the construction of electrochemical sensors for neonicotinoid pesticides. Furthermore, prospects and challenges facing various electrochemical sensors based on functional materials for neonicotinoid pesticides are discussed, providing valuable insights for the future development and application of biosensors for simplified on-site detection of agricultural residues.
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Affiliation(s)
- Longhua Ding
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
| | - Jiawei Guo
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Shu Chen
- School of Bioengineering, Shandong Polytechnic, Jinan, 250104, PR China
| | - Yawen Wang
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
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12
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Pietrzak D, Kania J, Kmiecik E, Baba A. Risk analysis for groundwater intakes based on the example of neonicotinoids. CHEMOSPHERE 2024; 358:142244. [PMID: 38705411 DOI: 10.1016/j.chemosphere.2024.142244] [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: 09/26/2023] [Revised: 03/27/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Neonicotinoids are a class of broad-spectrum insecticides that are dominant in the world market. They are widely distributed in the environment. Understanding the sources, distribution, and fate of these contaminants is critical to mitigating their effects and maintaining the health of aquatic ecosystems. Contamination of surface and groundwater by neonicotinoids has become a widespread problem worldwide, requiring comprehensive action to accurately determine the mechanisms behind the migration of these pesticides, their properties, and their adverse effects on the environment. A new approach to risk analysis for groundwater intake contamination with emerging contaminants was proposed. It was conducted on the example of four neonicotinoids (acetamiprid, clothianidin, thiamethoxam, and imidacloprid) in relation to groundwater accessed by a hypothetical groundwater intake, based on data obtained in laboratory tests using a dynamic method (column experiments). The results of the risk analysis conducted have shown that in this case study the use of acetamiprid and thiamethoxam for agricultural purposes poses an acceptable risk, and does not pose a risk to the quality of groundwater extracted from the intake for food purposes. Consequently, it does not pose a risk to the health and life of humans and other organisms depending on that water. The opposite situation is observed for clothianidin and imidacloprid, which pose a higher risk of groundwater contamination. For higher maximum concentration of neonicotinoids used in the risk analysis, the concentration of clothianidin and imidacloprid in the groundwater intake significantly (from several to several hundred thousand times) exceeds the maximum permissible levels for drinking water (<0.1 μg/L). This risk exists even if the insecticides containing these pesticides are used according to the information sheet provided by the manufacturer (lower maximum concentration), which results in exceeding the maximum permissible levels for drinking water from several to several hundred times.
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Affiliation(s)
- Damian Pietrzak
- AGH University of Krakow, Mickiewicza 30 Av., 30-059, Krakow, Poland.
| | - Jarosław Kania
- AGH University of Krakow, Mickiewicza 30 Av., 30-059, Krakow, Poland
| | - Ewa Kmiecik
- AGH University of Krakow, Mickiewicza 30 Av., 30-059, Krakow, Poland
| | - Alper Baba
- Izmir Institute of Technology, 35430, Urla-Izmir, Turkiye
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13
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Sinčić Modrić G, Marinić J, Karleuša R, Dubrović I, Kosobucki P, Broznić D. Those That Remain Caught in the "Organic Matter Trap": Sorption/Desorption Study for Levelling the Fate of Selected Neonicotinoids. Int J Mol Sci 2024; 25:5700. [PMID: 38891887 PMCID: PMC11172031 DOI: 10.3390/ijms25115700] [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: 05/08/2024] [Revised: 05/21/2024] [Accepted: 05/21/2024] [Indexed: 06/21/2024] Open
Abstract
With projections suggesting an increase in the global use of neonicotinoids, contemporary farmers can get caught on the "pesticide treadmill", thus creating ecosystem side effects. The aim of this study was to investigate the sorption/desorption behavior of acetamiprid, imidacloprid, and thiacloprid that controls their availability to other fate-determining processes and thus could be useful in leveling the risk these insecticides or their structural analogues pose to the environment, animals, and human health. Sorption/desorption isotherms in four soils with different organic matter (OC) content were modelled by nonlinear equilibrium models: Freundlich's, Langmuir's, and Temkin's. Sorption/desorption parameters obtained by Freundlich's model were correlated to soil physico-chemical characteristics. Even though the OC content had the dominant role in the sorption of the three insecticides, the role of its nature as well as the chemical structure of neonicotinoids cannot be discarded. Insecticides sorbed in the glassy OC phase will be poorly available unlike those in the rubbery regions. Imidacloprid will fill the sorption sites equally in the rubbery and glassy phases irrespective of its concentration. The sorption of thiacloprid at low concentrations and acetamiprid at high concentrations is controlled by hydrophilic aromatic structures, "trapping" the insecticides in the pores of the glassy phase of OC.
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Affiliation(s)
- Gordana Sinčić Modrić
- Department of Environmental Health, Teaching Institute of Public Health of Primorje-Gorski Kotar County, Krešimirova 52a, 51000 Rijeka, Croatia; (G.S.M.); (I.D.)
| | - Jelena Marinić
- Department for Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Rijeka, Brace Branchetta 20, 51000 Rijeka, Croatia; (J.M.); (R.K.)
| | - Romano Karleuša
- Department for Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Rijeka, Brace Branchetta 20, 51000 Rijeka, Croatia; (J.M.); (R.K.)
| | - Igor Dubrović
- Department of Environmental Health, Teaching Institute of Public Health of Primorje-Gorski Kotar County, Krešimirova 52a, 51000 Rijeka, Croatia; (G.S.M.); (I.D.)
| | - Przemysław Kosobucki
- Department of Food Analysis and Environmental Protection, Faculty of Chemical Technology and Engineering, University of Science and Technology of Bydgoszcz, 3 Seminaryjna Street, 85-326 Bydgoszcz, Poland;
| | - Dalibor Broznić
- Department for Medical Chemistry, Biochemistry and Clinical Chemistry, Faculty of Medicine, University of Rijeka, Brace Branchetta 20, 51000 Rijeka, Croatia; (J.M.); (R.K.)
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14
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Salam MTB, Ito K, Kataoka R. Biodegradation of nitenpyram (neonicotinoid insecticide) by endophytic bacterium, Bacillus thuringiensis strain NIT-2, isolated from neonicotinoid-treated plant samples. JOURNAL OF PESTICIDE SCIENCE 2024; 49:94-103. [PMID: 38882709 PMCID: PMC11176044 DOI: 10.1584/jpestics.d24-002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Accepted: 03/24/2024] [Indexed: 06/18/2024]
Abstract
Nitenpyram (neonicotinoid insecticide) is commonly used for crop protection from pests. Currently, due to its widespread use, the nitenpyram accumulation in the environment is anticipated to be high. Hence, the removal of nitenpyram residue from the environment is essential. However, the biodegradation of nitenpyram by endophytes is still unreported. Therefore, we aimed to isolate and identify a bacterial strain capable of degrading nitenpyram. We isolated approximately 300 endophytic strains from Brassica rapa var. perviridis that had been exposed to different neonicotinoid insecticides. After 14 days of incubation, a bacterial strain, NIT-2, with nitenpyram degradation capability (approximately 65%) was found. Via 16S rRNA gene sequencing, the strain was identified as Bacillus thuringiensis. In addition, metabolites, 2-[N-(6-chloro-3-pyridylmethyl)-N-ethyl]amino-2-methyliminoacetic acid, N-(6-chloro-3-pyridilmethyl)-N-ethyl-N-methylformamidine (CPMF), and N-(6-chloro-3-pyridilmethyl)-N-ethylformamide (CPF), were identified during the degradation. Moreover, CPMF and CPF were further degraded 71% and 18%, respectively by NIT-2. Thus, B. thuringiensis strain NIT-2 is the first reported endophytic bacterium capable of degrading nitenpyram.
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Affiliation(s)
- Md Tareq Bin Salam
- Faculty of Life and Environmental Sciences, University of Yamanashi
- Soil, Water and Environment Discipline, Khulna University
| | - Koji Ito
- The Institute for Agro-Environmental Sciences
| | - Ryota Kataoka
- Faculty of Life and Environmental Sciences, University of Yamanashi
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15
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Tsegay G, Lartey-Young G, Sibhat M, Gao Y, Guo LC, Meng XZ. An integrated approach to assess human health risk of neonicotinoid insecticides in surface water of the Yangtze River Basin, China. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133915. [PMID: 38452669 DOI: 10.1016/j.jhazmat.2024.133915] [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: 11/26/2023] [Revised: 02/26/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
Neonicotinoids are widely used insecticides that have raised considerable concerns for both environmental and human health. However, there lack of comprehensive evaluation of their accumulation in surface water ecosystems and exposure to various human groups. Additionally, there's a distinct lack of scientific evidence describing the carcinogenic and non-carcinogenic impacts of neonicotinoids from surface water. Using an integrated approach employing the Relative Potency Factor (RPF), Hazard Index (HI), and Monte Carlo Simulation (MCS), the study assessed neonicotinoid exposure and risk to four demographic groups via dermal contact and mistaken oral intake pathways in the Yangtze River Basin (YRB), China. Neonicotinoid concentrations range from 0.1 to 408.12 ng/L, indicating potential risk (10-3 to 10-1) across the studied demographic groups. The Incremental Lifetime Cancer Risk (ILCR) for dermal contact was within a moderate range of 2.00 × 10-3 to 1.67 × 10-2, while the mistaken oral intake was also within a moderate range of 3.07 × 10-3 to 7.05 × 10-3. The Hazard Index (HI) for dermal exposure ranged from 1.49 × 10-2 to 0.125, while for mistaken oral intake, it varied between 2.69 × 10-2 and 0.14. The findings highlight the importance of implementing specific interventions to address neonicotinoid exposure, especially among demographic groups that are more susceptible. This research underscores the urgent need for targeted strategies to address neonicotinoid risks to vulnerable populations within the YRB while contributing to insights for effective policies to mitigate neonicotinoid exposure in surface water ecosystems globally.
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Affiliation(s)
- Gedion Tsegay
- UNEP-TONGJI Institute of Environment for Sustainable Development (IESD), College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China; Jiaxing-Tongji Environmental Research Institute, 1994 Linggongtang Road, Jiaxing 314051, Zhejiang Province, China
| | - George Lartey-Young
- UNEP-TONGJI Institute of Environment for Sustainable Development (IESD), College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Marta Sibhat
- UNEP-TONGJI Institute of Environment for Sustainable Development (IESD), College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China
| | - Yunze Gao
- Jiaxing-Tongji Environmental Research Institute, 1994 Linggongtang Road, Jiaxing 314051, Zhejiang Province, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Ling-Chuan Guo
- State Key Laboratory of Environmental Criteria and Risk Assessment, State Environmental Protection Key Laboratory of Ecological Effect and Risk Assessment of Chemicals, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xiang-Zhou Meng
- Jiaxing-Tongji Environmental Research Institute, 1994 Linggongtang Road, Jiaxing 314051, Zhejiang Province, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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16
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Fu Z, Lin Z, Huang K, Li Z, Luo Z, Han F, Li E. Dinotefuran exposure alters biochemical, metabolomic, gut microbiome, and growth responses in decapoda pacific white shrimp Penaeus vannamei. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133930. [PMID: 38452673 DOI: 10.1016/j.jhazmat.2024.133930] [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: 10/27/2023] [Revised: 02/04/2024] [Accepted: 02/28/2024] [Indexed: 03/09/2024]
Abstract
Dinotefuran, a neonicotinoid insecticide, may impact nontarget organisms such as Decapoda P. vannamei shrimp with nervous systems similar to insects. Exposing shrimp to low dinotefuran concentrations (6, 60, and 600 μg/L) for 21 days affected growth, hepatosomatic index, and survival. Biomarkers erythromycin-N-demethylase, alanine aminotransferase, and catalase increased in all exposed groups, while glutathione S-transferase is the opposite; aminopyrin-N-demethylase, malondialdehyde, and aspartate aminotransferase increased at 60 and 600 μg/L. Concentration-dependent effects on gut microbiota altered the abundance of bacterial groups, increased potentially pathogenic and oxidative stress-resistant phenotypes, and decreased biofilm formation. Gram-positive/negative microbiota changed significantly. Metabolite differences between the exposed and control groups were identified using mass spectrometry and KEGG pathway enrichment. N-acetylcystathionine showed potential as a reliable dinotefuran metabolic marker. Weighted correlation network analysis (WGCNA) results indicated high connectivity of cruecdysone in the metabolite network and significant enrichment at 600 μg/L dinotefuran. The WGCNA results revealed a highly significant negative correlation between two key metabolites, caldine and indican, and the gut microbiota within co-expression modules. Overall, the risk of dinotefuran exposure to non-target organisms in aquatic environments still requires further attention.
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Affiliation(s)
- Zhenqiang Fu
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan 570228, China; School of Marine Sciences, Sun Yat-sen University, Zhuhai 519082, China
| | - Zhiyu Lin
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan 570228, China
| | - Kaiqi Huang
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Zhenfei Li
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan 570228, China
| | - Zhi Luo
- School of Life Sciences, East China Normal University, Shanghai 200241, China
| | - Fenglu Han
- Key Laboratory of Tropical Hydrobiology and Biotechnology of Hainan Province, Hainan Aquaculture Breeding Engineering Research Center, School of Marine Biology and Fisheries, Hainan University, Haikou, Hainan 570228, China.
| | - Erchao Li
- School of Life Sciences, East China Normal University, Shanghai 200241, China.
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17
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Zhang X, Cao Y, Cao J, Feng X, Zhang Z, Li Q, Yan Y. Neonicotinoid insecticides in waters of the northern Jiangsu segment of the Beijing-Hangzhou Grand Canal: Environmental and health implications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:171455. [PMID: 38438029 DOI: 10.1016/j.scitotenv.2024.171455] [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: 11/28/2023] [Revised: 02/18/2024] [Accepted: 03/01/2024] [Indexed: 03/06/2024]
Abstract
Neonicotinoid (NEO) insecticides have been frequently detected in natural aquatic environments. Nevertheless, the distribution of NEOs in artificial environments is not clear. The Beijing-Hangzhou Grand Canal is the longest canal in the world. The northern Jiangsu segment of the Grand Canal was selected to study the spatiotemporal variation and source of eight NEOs in the canal water and assess their ecological and health risks. The total NEO concentration in the canal water was 12-289 ng L-1 in the dry season and 18-373 ng L-1 in the wet season, which were within the concentration range in other 11 natural rivers worldwide. The average total NEO concentrations were not statistically different between the seasons; only the concentrations of imidaclothiz, thiacloprid (THI), acetamiprid, and dinotefuran were different. At city scale, the total NEO concentration in the dry season showed a decreasing trend along the water flow from Xuzhou City to Yangzhou City. The total NEO concentrations were found to be positively correlated with the sown area of farm crops and the rural labour force, indicating the agricultural influence on the spatial distribution of NEO concentrations. In the wet season, relatively high NEO concentrations were distributed in downstream sites under the influence of artificial regulation. The primary contributor to the NEO inputs into the canal was the nonpoint source in the dry and wet seasons, with a relative contribution of 68 %. THI, imidacloprid, clothianidin and thiamethoxan would produce chronic ecological risks in both seasons. Further consideration needs to be given to the above four NEOs and NEO mixtures. The human health risks that NEOs posed by drinking water were assessed based on the chronic daily intake (CDI). The maximum CDI for adults and children was lower than the reference doses. This suggested public health would not be at risk from canal water consumption.
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Affiliation(s)
- Xiaoxin Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China
| | - Yuanxin Cao
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China.
| | - Jiachen Cao
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China
| | - Xiao Feng
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China
| | - Zhijie Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China
| | - Qiao Li
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China
| | - Yubo Yan
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an 223300, China
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18
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Satheeshkumar A, Duraimurugan R, Parthipan P, Sathishkumar K, AlSalhi MS, Devanesan S, Rajamohan R, Rajasekar A, Malik T. Integrated Electrochemical Oxidation and Biodegradation for Remediation of a Neonicotinoid Insecticide Pollutant. ACS OMEGA 2024; 9:15239-15250. [PMID: 38585078 PMCID: PMC10993376 DOI: 10.1021/acsomega.3c09749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 02/28/2024] [Accepted: 03/13/2024] [Indexed: 04/09/2024]
Abstract
A novel integrated electrochemical oxidation (EO) and bacterial degradation (BD) technique was employed for the remediation of the chloropyridinyl and chlorothiazolyl classes of neonicotinoid (NEO) insecticides in the environment. Imidacloprid (IM), clothianidin (CL), acetamiprid (AC), and thiamethoxam (TH) were chosen as the target NEOs. Pseudomonas oleovorans SA2, identified through 16S rRNA gene analysis, exhibited the potential for BD. In EO, for the selected NEOs, the total percentage of chemical oxygen demand (COD) was noted in a range of 58-69%, respectively. Subsequently, in the biodegradation of EO-treated NEOs (BEO) phase, a higher percentage (80%) of total organic carbon removal was achieved. The optimum concentration of NEOs was found to be 200 ppm (62%) for EO, while for BEO, the COD efficiency was increased up to 79%. Fourier-transform infrared spectroscopy confirms that the heterocyclic group and aromatic ring were degraded in the EO and further utilized by SA2. Gas chromatography-mass spectroscopy indicated up to 96% degradation of IM and other NEOs in BD (BEO) compared to that of EO (73%). New intermediate molecules such as silanediamine, 1,1-dimethyl-n,n'-diphenyl produced during the EO process served as carbon sources for bacterial growth and further mineralized. As a result, BEO enhanced the removal of NEOs with a higher efficiency of COD and a lower consumption of energy. The removal efficiency of the NEOs by the integrated approach was achieved in the order of AC > CL > IM > TH. This synergistic EO and BD approach holds promise for the efficient detoxification of NEOs from polluted environments.
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Affiliation(s)
- Azhagarsamy Satheeshkumar
- Environmental
Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamil Nadu, India
| | - Ramanathan Duraimurugan
- Environmental
Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamil Nadu, India
| | - Punniyakotti Parthipan
- Department
of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu, Kattankulathur 603 203, Tamil Nadu, India
| | - Kuppusamy Sathishkumar
- Center
for Global Health Research, Saveetha Medical College and Hospitals,
Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University Chennai, 602105, India
| | - Mohamad S. AlSalhi
- Department
of Physics and Astronomy, College of Science, King Saud University, P.O. Box- 2455, Riyadh 11451, Saudi Arabia
| | - Sandhanasamy Devanesan
- Department
of Physics and Astronomy, College of Science, King Saud University, P.O. Box- 2455, Riyadh 11451, Saudi Arabia
| | - Rajaram Rajamohan
- Organic Materials
Synthesis Lab, School of Chemical Engineering, Yeungnam University, Gyeongsan-si 38541, Republic
of Korea
| | - Aruliah Rajasekar
- Environmental
Molecular Microbiology Research Laboratory, Department of Biotechnology, Thiruvalluvar University, Serkkadu, Vellore 632115, Tamil Nadu, India
| | - Tabarak Malik
- Adjunct
Faculty, Division of Research & Development, Lovely Professional University, Jalandhar-Delhi, Phagwara, Punjab 144411, India
- Department
of Biomedical Sciences, Institute of Health, Jimma University, Jimma 378, Ethiopia
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19
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Cao M, Sy ND, Yu CP, Gan J. Removal of neonicotinoid insecticides in a large-scale constructed wetland system. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 344:123303. [PMID: 38199486 DOI: 10.1016/j.envpol.2024.123303] [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: 10/27/2023] [Revised: 12/25/2023] [Accepted: 01/03/2024] [Indexed: 01/12/2024]
Abstract
Neonicotinoid insecticides are among the most used insecticides and their residues are frequently found in surface water due to their persistence and mobility. Neonicotinoid insecticides exhibit toxicity to a wide range of aquatic invertebrates at environmentally relevant levels, and therefore their contamination in surface water is of significant concern. In this study, we investigated the spatiotemporal distribution of six neonicotinoids in a large wetland system, the Prado Wetlands, in Southern California, and further evaluated the wetlands' efficiency at removing these insecticides. Total neonicotinoid concentrations in water ranged from 3.17 to 46.9 ng L-1 at different locations within the wetlands, with imidacloprid and dinotefuran among the most detected. Removal was calculated based on concentrations as well as mass flux. The concentration-based removal values for a shallow pond (vegetation-free), moderately vegetated cells, densely vegetated cells, and the entire wetland train were 16.9%, 34.2%, 90.2%, and 61.3%, respectively. Principal component analysis revealed that pH and temperature were the primary factors affecting neonicotinoids removal. Results from this study demonstrated the ubiquitous presence of neonicotinoids in surface water impacted by urban runoff and wastewater effluent and highlighted the efficiency of wetlands in removing these trace contaminants due to concerted effects of uptake by wetland plants, photolysis, and microbial degradation.
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Affiliation(s)
- Meixian Cao
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; Department of Environmental Sciences, University of California, Riverside, CA, 92521, USA; University of Chinese Academy of Sciences, Beijing, 100049, China; Fujian Key Laboratory of Watershed Ecology, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China.
| | - Nathan D Sy
- Department of Environmental Sciences, University of California, Riverside, CA, 92521, USA
| | - Chang-Ping Yu
- CAS Key Laboratory of Urban Pollutant Conversion, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China
| | - Jay Gan
- Department of Environmental Sciences, University of California, Riverside, CA, 92521, USA
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20
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Cheng H, Xu H, Guo M, Zhu T, Cai W, Miao L, Ji S, Tang G, Liu X. Spatiotemporal dynamics and modeling of thiacloprid in paddy multimedia systems with the effect of wetting-drying cycles. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123187. [PMID: 38123113 DOI: 10.1016/j.envpol.2023.123187] [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: 09/29/2023] [Revised: 12/03/2023] [Accepted: 12/16/2023] [Indexed: 12/23/2023]
Abstract
The widespread presence of thiacloprid (THI), a neonicotinoid, raises concerns for human health and the aquatic environment due to its persistence, toxicity, and bioaccumulation. The fate of THI in paddy multimedia systems is mainly governed by irrigation practices, but the potential impacts remain poorly documented. This study investigated the effects of water management practices on THI spatiotemporal dynamics in paddy multimedia systems by combining soil column experiments and a non-steady-state multimedia model. The results indicated the wetting-drying cycle (WDC) irrigation reduced THI occurrences in environmental phases (i.e., soil, interstitial water, and overlying water) and accelerated the THI loss through the THI aerobic degradation process. THI occurrences in the soil and water phases decreased from 18.8% for conventional flooding (CF) treatment to 9.2% for severe wetting-drying cycle (SW) treatment after 29 days, while the half-lives shortened from 11.1 days to 7.3 days, respectively. Meanwhile, the WDC decreased THI outflow from leakage water, which reduced the THI risk of leaching. There was no significant difference in THI plant uptake and volatilization between CF and WDC treatments. The mean proportions of THI fate in paddy multimedia systems followed the order: THI degradation (57.7%), outflow from leakage water (25.5%), occurrence in soil (12.4%), plant uptake (3.4%), occurrence in interstitial water (0.7%), occurrence in overlying water (0.3%), volatilization (<0.1%) after 29 days. The sensitivity analysis identified the soil organic carbon partition coefficient (KOC) as the most sensitive parameter affecting THI's fate. In addition, the topsoil layers of 0-4 cm were the main sink of THI, holding 67% of THI occurrence in the soil phase. The THI occurrence in interstitial water was distributed evenly throughout the soil profile. These findings made beneficial theoretical supplements and provided valuable empirical evidence for water management practices to reduce the THI ecological risk.
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Affiliation(s)
- Haomiao Cheng
- School of Environmental Science and Engineering, School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225127, China.
| | - Hanyang Xu
- School of Environmental Science and Engineering, School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Min Guo
- Agricultural College, Yangzhou University, 225009, Yangzhou, China
| | - Tengyi Zhu
- School of Environmental Science and Engineering, School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Wei Cai
- School of Environmental Science and Engineering, School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Lingzhan Miao
- Key Laboratory of Integrated Regulation and Resources Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, China
| | - Shu Ji
- School of Environmental Science and Engineering, School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Guanlong Tang
- School of Environmental Science and Engineering, School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225127, China; Huaxin Design Group CO., Ltd., Wuxi, 214072, China
| | - Xiang Liu
- College of Agricultural Science and Engineering, Hohai University, Nanjing, 210098, China
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21
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Xu B, Lu L, Liu M, Zhang Q, Farooq U, Lu T, Qi Z, Ge C. Low-molecular-weight organic acids-mediated transport of neonicotinoid pesticides through saturated soil porous media: Combined effects of the molecular structures of organic acids and the chemical properties of contaminants. CHEMOSPHERE 2024; 349:140870. [PMID: 38056716 DOI: 10.1016/j.chemosphere.2023.140870] [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: 10/08/2023] [Revised: 11/29/2023] [Accepted: 11/30/2023] [Indexed: 12/08/2023]
Abstract
Empirical information about the transport properties of neonicotinoid pesticides through the soil as affected by the ubiquitous low molecular weight organic acids (LMWOAs) is lacking. Herein, the impacts of three LMWOAs with different molecular structures, including citric acid, acetic acid, and malic acid, on the mobility characteristics of two typical neonicotinoid pesticides (Dinotefuran (DTF) and Nitenpyram (NTP)) were explored. Interestingly, under acidic conditions, different mechanisms were involved in transporting DTF and NTP by adding exogenous LMWOAs. Concretely, acetic acid and malic acid inhibited DTF transport, ascribed to the enhanced electrostatic attraction between DTF and porous media and the additional binding sites provided by the deposited LMWOAs. However, citric acid slightly enhanced DTF mobility due to the fact that the inhibitory effect was weakened by the steric hindrance effect induced by the deposited citric acid with a large molecular size. In comparison, all three LMWOAs promoted NTP transport at pH 5.0. Because the interaction between NTP with soil organic matter (e.g., via π-π stacking interaction) was masked by the LMWOAs coating on soil surfaces. Nevertheless, LMWOAs could promote the mobility of both neonicotinoid pesticides at pH 7.0 due to the steric hindrance effect caused by the deposited organic acids and the competitive retention between LMWOAs and pesticides for effective surface deposition sites of soil particles. Furthermore, the extent of the promotion effects of LMWOAs generally followed the order of citric acid > malic acid > acetic acid. This pattern was highly related to their molecular structures (e.g., number and type of functional groups and molecular size). Additionally, when the background solutions contained Ca2+, the bridging effect of cations also contributed to the transport-enhancement effects of LMWOAs. The findings provide valuable information about the mobility behaviors of neonicotinoid pesticides co-existing with LMWOAs in soil-water systems.
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Affiliation(s)
- Bingyao Xu
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China
| | - Lulu Lu
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China
| | - Mengya Liu
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China
| | - Qiang Zhang
- Ecology Institute of the Shandong Academy of Sciences, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, China
| | - Usman Farooq
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China
| | - Taotao Lu
- College of Hydraulic Science and Engineering, Yangzhou University, Yangzhou, 225009, China
| | - Zhichong Qi
- Henan Joint International Research Laboratory of Environmental Pollution Control Materials, College of Chemistry and Molecular Sciences, Henan University, Kaifeng, 475004, China.
| | - Chengjun Ge
- Key Laboratory of Agro-Forestry Environmental Processes and Ecological Regulation of Hainan Province (Hainan University), Haikou, 570228, China.
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22
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Mofijur M, Hasan MM, Ahmed SF, Djavanroodi F, Fattah IMR, Silitonga AS, Kalam MA, Zhou JL, Khan TMY. Advances in identifying and managing emerging contaminants in aquatic ecosystems: Analytical approaches, toxicity assessment, transformation pathways, environmental fate, and remediation strategies. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 341:122889. [PMID: 37972679 DOI: 10.1016/j.envpol.2023.122889] [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: 06/19/2023] [Revised: 10/30/2023] [Accepted: 11/05/2023] [Indexed: 11/19/2023]
Abstract
Emerging contaminants (ECs) are increasingly recognized as threats to human health and ecosystems. This review evaluates advanced analytical methods, particularly mass spectrometry, for detecting ECs and understanding their toxicity, transformation pathways, and environmental distribution. Our findings underscore the reliability of current techniques and the potential of upcoming methods. The adverse effects of ECs on aquatic life necessitate both in vitro and in vivo toxicity assessments. Evaluating the distribution and degradation of ECs reveals that they undergo physical, chemical, and biological transformations. Remediation strategies such as advanced oxidation, adsorption, and membrane bioreactors effectively treat EC-contaminated waters, with combinations of these techniques showing the highest efficacy. To minimize the impact of ECs, a proactive approach involving monitoring, regulations, and public education is vital. Future research should prioritize the refining of detection methods and formulation of robust policies for EC management.
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Affiliation(s)
- M Mofijur
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia.
| | - M M Hasan
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia; School of Engineering and Technology, Central Queensland University, QLD, 4701, Australia
| | - Shams Forruque Ahmed
- Science and Math Program, Asian University for Women, Chattogram, 4000, Bangladesh
| | - F Djavanroodi
- Mechanical Engineering Department, Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia
| | - I M R Fattah
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - A S Silitonga
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - M A Kalam
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - John L Zhou
- Centre for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia; Centre for Green Technology, School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, NSW, 2007, Australia
| | - T M Yunus Khan
- Mechanical Engineering Department, College of Engineering, King Khalid University, Abha, Saudi Arabia
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23
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de Araujo GF, do Espírito Santo DG, Júnior SFS, Correia FV, Saggioro EM. Toxicological approaches as tool to assess the effects of a mixture of photocatalytic degradation products originated from the unregulated neonicotinoid acetamiprid employing a terrestrial organism (Eisenia andrei). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167271. [PMID: 37777123 DOI: 10.1016/j.scitotenv.2023.167271] [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: 04/24/2023] [Revised: 08/25/2023] [Accepted: 09/20/2023] [Indexed: 10/02/2023]
Abstract
Acetamiprid (ACT) has been detected in several water sources in Latin America. The presence of its degradation products in the environment is not negligible and transformation products (TPs) significantly contribute to environmental health risks. Although advanced oxidative processes are promising for the treatment of this neocotinoid, effects of these are still unknown. In this context, the effects of a mixture of photocatalytic degradation products resulting from an ACT treatment for 90 min employing TiO2/UV on cytotoxicity and oxidative stress parameters in Eisenia andrei earthworms in acute and chronic experiments using typical Latin American soil were assessed. Acute contact tests were performed (72 h) using a filter paper moistened with an ACT solution and a chronic test was performed using Oxisoil (200 g) moistened with an ACT solution for 45 days. Catalase (CAT) and glutathione-S-transferase (GST) activities, reduced glutathione (GSH) levels and cytotoxicity (cellular eleocyte and amoebocyte assessments) were investigated. Over 75 % of ACT was degraded within the first 15 min of treatment, with levels below the limit of detection after 60 min. The acute test revealed greater cytotoxic effects associated with the effluents treated for T0 and T15 min, with decreased cell density noted after 48 h of exposure, in addition to CAT induction (in all treatments) and GST induction following T0, T15 and T90 min exposures. Concerning the chronic assay, decreases in cell density (T0, T15, T60 and T90 min) and viability (T0, T60 and T90 min) were observed after 45 days, in addition to induced CAT activity following T0, T15 and T60 exposures and GST induction following the T60 min exposure. Reduced glutathione levels were unaltered, comprising the least sensitive biomarker among the investigated parameters to the treated effluent exposures. The mixture of ACT degradation products can cause toxic effects to non-target organisms, despite parent compound degradation, alerting for the need for ecotoxicological tests to prove decreased effluent toxicity, in addition to the improvement of degradation techniques.
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Affiliation(s)
- Gabriel Farias de Araujo
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil
| | - Danielli Gundes do Espírito Santo
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil
| | - Sidney Fernandes Sales Júnior
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil
| | - Fábio Veríssimo Correia
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil; UNIRIO, Departamento de Ciências Naturais, Av. Pasteur, 458, Urca, 22290-20 Rio de Janeiro, Brazil; Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Av. Brasil, 4.365, Manguinhos, 21040-360 Rio de Janeiro, Brazil
| | - Enrico Mendes Saggioro
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil; Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Av. Brasil, 4.365, Manguinhos, 21040-360 Rio de Janeiro, Brazil.
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24
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Chen Y, Ling J, Yu W, Zhang L, Wu R, Yang D, Qu J, Jin H, Tao Z, Shen Y, Meng R, Yu J, Zheng Q, Shen G, Du W, Sun H, Zhao M. Identification of point and nonpoint emission sources of neonicotinoid pollution in regional surface water. WATER RESEARCH 2024; 248:120863. [PMID: 37976945 DOI: 10.1016/j.watres.2023.120863] [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: 05/29/2023] [Revised: 10/07/2023] [Accepted: 11/11/2023] [Indexed: 11/19/2023]
Abstract
Neonicotinoid insecticides are widely applied in farmland, with high detection rates in soils and surface waters, posing potential risks to biodiversity and human health. As a nonpoint emission, surface runoff is widely regarded as the major source of neonicotinoid pollution in surface waters, but few studies have determined the point source contribution to rivers that may be primarily from wastewater treatment plants (WWTPs). Here, we collected the surface water from eight river basins in Zhejiang Province of China and quantified residual concentrations of eight widely commercialized neonicotinoids. Four of these were detected in all samples, with concentrations of dinotefuran and nitenpyram of 119 ± 166 and 87.6 ± 25.3 ng/L, respectively, representing more than 90 % of the total (282 ± 174 ng/L). Neonicotinoid residues were higher in tributaries due to nearby farmland and more dilution effects in the mainstream, and the residues were higher in lower reaches which can be explained by the water flow direction. Significant spatial differences in neonicotinoid distribution between surface water and agricultural soils result from environmental factors (e.g., water turbidity, precipitation, temperature) impacting migration and transport processes. Neonicotinoid residues in surface water showed a significant positive correlation with total WWTP emissions after adjusting for environmental factors. Conversely, no significant association was observed with cropland density (a nonpoint emission source), indicating that point emission source (contributing 20.6 %) predominantly influenced neonicotinoid residue spatial variation in river basin-scale surface water.
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Affiliation(s)
- Yuanchen Chen
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China; Innovation Research Center of Advanced Environmental Technology, Eco-Industrial Innovation Institute ZJUT, Quzhou, Zhejiang 324400, China.
| | - Jun Ling
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Wenfei Yu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Li Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Ruxin Wu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Dan Yang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Jiajia Qu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Hangbiao Jin
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China; Innovation Research Center of Advanced Environmental Technology, Eco-Industrial Innovation Institute ZJUT, Quzhou, Zhejiang 324400, China.
| | - Zhen Tao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Yuexin Shen
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Ruirui Meng
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Jingtong Yu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Qingyi Zheng
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Guofeng Shen
- Ministry of Education Laboratory of Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Wei Du
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science &Technology, Kunming, Yunnan 650500, China
| | - Haitong Sun
- Yusuf Hamied Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, United Kingdom; Department of Earth Sciences, University of Cambridge, Cambridge CB2 3EQ, United Kingdom
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
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25
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Akter S, Hulugalle NR, Jasonsmith J, Strong CL. Changes in soil microbial communities after exposure to neonicotinoids: A systematic review. ENVIRONMENTAL MICROBIOLOGY REPORTS 2023; 15:431-444. [PMID: 37574328 PMCID: PMC10667664 DOI: 10.1111/1758-2229.13193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Accepted: 07/27/2023] [Indexed: 08/15/2023]
Abstract
Neonicotinoids are a group of nicotine-related chemicals widely used as insecticides in agriculture. Several studies have shown measurable quantities of neonicotinoids in the environment but little is known regarding their impact on soil microbial populations. The purpose of this systematic review was to clarify the effects of neonicotinoids on soil microbiology and to highlight any knowledge gaps. A formal systematic review was performed following PRISMA (Preferred Reporting Items for Systematic Review and Meta-Analyses) guidelines using keywords in PubMed, SCOPUS and Web of Science. This resulted in 29 peer-reviewed articles, whose findings diverged widely because of variable methodologies. Field-based studies were few (28%). Imidacloprid was the most widely used (66%) and soil microbial communities were most sensitive to it. Spray formulations were used in 83% of the studies and seed treatments in the rest. Diversity indices were the most frequently reported soil microbial parameter (62%). About 45% of the studies found that neonicotinoids had adverse impacts on soil microbial community structure, composition, diversity, functioning, enzymatic activity and nitrogen transformation. Interactions with soil physicochemical properties were poorly addressed in all studies. The need for more research, particularly field-based research on the effects of neonicotinoids on soil microorganisms was highlighted by this review.
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Affiliation(s)
- Sharmin Akter
- Fenner School of Environment and Society, College of ScienceAustralian National UniversityCanberraACTAustralia
- Soil Resource Development InstituteMinistry of AgricultureDhakaBangladesh
| | - Nilantha R. Hulugalle
- Fenner School of Environment and Society, College of ScienceAustralian National UniversityCanberraACTAustralia
| | - Julia Jasonsmith
- Fenner School of Environment and Society, College of ScienceAustralian National UniversityCanberraACTAustralia
| | - Craig L. Strong
- Fenner School of Environment and Society, College of ScienceAustralian National UniversityCanberraACTAustralia
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26
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Sarker A, Yoo JH, Jeong WT. Environmental fate and metabolic transformation of two non-ionic pesticides in soil: Effect of biochar, moisture, and soil sterilization. CHEMOSPHERE 2023; 345:140458. [PMID: 37844696 DOI: 10.1016/j.chemosphere.2023.140458] [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: 05/19/2023] [Revised: 08/04/2023] [Accepted: 10/13/2023] [Indexed: 10/18/2023]
Abstract
Soil moisture, organic matter, and soil microbes are the key considering factors that control the persistence, degradation, and transformation of applied pesticides under varied soil conditions. In this study, underlying influence of these factors was assessed through the fates and metabolic transformation of two non-ionic pesticides (e.g., Phorate and Terbufos) in soils. Concisely, two distinct experiments including a customized batch equilibrium (sorption study), and a lab incubation trial (degradation study) were performed, following the OECD guidelines. As per study findings, biochar (BC) amendment was found to be the most influential factors during sorption study, particularly, 1% BC amendment contributed to achieve the best results. In addition, the non-linearity of sorption isotherm (1/n < 1.0) was revealed through Freundlich isotherm, indicating the strong adsorption of studied pesticides onto the soils. On the other hand, during degradation study, soil moisture initiates the enhanced degradation of parent pesticides and subsequent metabolism. In the presence of 40% water holding capacity (WHC), 1% BC amendment enhances the metabolic transformation, while H2O2 treatment could hinder the process. Additionally, the half-life degradation (t1/2) of phorate and terbufos was controlled by biochar amendment, moisture, and soil sterilization, respectively. Finally, BC can accelerate the metabolic transformation, whereas, phorate underwent a metabolic change into sulfoxide and sulfone while terbufos turned into solely sulfoxide. This pioneering study gathered crucial data for understanding the persistence and metabolic transition of non-ionic pesticides in soils and their patterns of degradation.
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Affiliation(s)
- Aniruddha Sarker
- Residual Chemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration, Jeollabuk-do, 55356, Republic of Korea
| | - Ji-Hyock Yoo
- Residual Chemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration, Jeollabuk-do, 55356, Republic of Korea
| | - Won-Tae Jeong
- Residual Chemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Rural Development Administration, Jeollabuk-do, 55356, Republic of Korea.
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27
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Crayol E, Huneau F, Garel E, Mattei A, Santoni S, Pasqualini V, Re V. Socio-hydrogeological survey and assessment of organic pollutants to highlight and trace back pollution fluxes threatening a coastal groundwater-dependent ecosystem. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 898:165343. [PMID: 37422224 DOI: 10.1016/j.scitotenv.2023.165343] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 06/30/2023] [Accepted: 07/03/2023] [Indexed: 07/10/2023]
Abstract
Despite being a vector of pollution towards connected ecosystems, groundwater is often underestimated or not taken into account in management frameworks. To fill this gap, we propose to add socio-economic data to hydrogeological investigations to identify past and present pollution sources linked to human activities at watershed scale in order to forecast threats towards groundwater-dependent ecosystems (GDEs). The aim of this paper is to demonstrate, by a cross-disciplinary approach, the added value of socio-hydrogeological investigations to tackle anthropogenic pollution fluxes towards a GDE and to contribute to more sustainable management of groundwater resources. A survey combining chemical compounds analysis, data compilation, land use analysis and field investigations with a questionnaire was carried out on the Biguglia lagoon plain (France). Results show a pollution with a two-fold source, both agricultural and domestic, in all water bodies of the plain. The pesticide analysis reveals the presence of 10 molecules, including domestic compounds, with concentrations exceeding European groundwater quality standards for individual pesticides, as well as pesticides already banned for twenty years. On the basis of both the field survey and the questionnaire, agricultural pollution has been identified as very local highlighting the storage capacity of the aquifer, whereas domestic pollution is diffuse over the plain and attributed to sewage network effluents and septic tanks. Domestic compounds present shorter residence time within the aquifer highlighting continuous inputs, related to consumption habits of the population. Under the Water Framework Directive (WFD), member states are required to preserve the good ecological status, quality and quantity of water bodies. However, for GDEs it is difficult to achieve the 'good status' required without considering the groundwater's pollutant storage capacity and pollution legacy. To help resolve this issue, socio-hydrogeology has proved to be an efficient tool as well as for implementing effective protection measures for Mediterranean GDEs.
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Affiliation(s)
- E Crayol
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France.
| | - F Huneau
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | - E Garel
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | - A Mattei
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | - S Santoni
- Université de Corse Pascal Paoli, Département d'Hydrogéologie, Campus Grimaldi, BP 52, 20250 Corte, France; CNRS, UMR 6134, SPE, BP 52, 20250 Corte, France
| | | | - V Re
- Università di Pisa, Dipartimento di Scienze della Terra, Via Santa Maria 53, 56126 Pisa, Italy
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Salam MTB, Kataoka R. Changes in the Endophytic Bacterial Community of Brassica rapa after Application of Systemic Insecticides. Int J Mol Sci 2023; 24:15306. [PMID: 37894986 PMCID: PMC10607537 DOI: 10.3390/ijms242015306] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 10/16/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023] Open
Abstract
Insecticides not only control target pests but also adversely affect non-target communities including humans, animals, and microbial communities in host plants and soils. The effect of insecticides on non-target communities, especially endophytic bacterial communities, remains poorly understood. Two phases of treatments were conducted to compare the trends in endophytic bacterial response after insecticide application. Endophytic bacteria were isolated at 2 and 4 weeks after germination. Most insecticide treatments showed a declining trend in bacterial diversity and abundance, whereas an increasing trend was observed in the control. Therefore, insecticide use negatively affected non-target endophytic bacterial communities. Bacillus spp. was mostly dominant in the early stage in both insecticide treatment and control groups. Nevertheless, in the matured stage, mostly bacteria including Pseudomonas spp., Priestia spp. were dominant in groups treated with high insecticide concentrations. Therefore, plants can regulate and moderate their microbiome during their lifecycle depending on surrounding environmental conditions.
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Affiliation(s)
- Md. Tareq Bin Salam
- Faculty of Life and Environmental Sciences, University of Yamanashi, Kofu 400-8510, Yamanashi, Japan;
- Soil, Water and Environment Discipline, Khulna University, Khulna 9208, Bangladesh
| | - Ryota Kataoka
- Faculty of Life and Environmental Sciences, University of Yamanashi, Kofu 400-8510, Yamanashi, Japan;
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Zhang X, Cao Y, Cao J, Li Q, Yan Y. Occurrence, source, and risk assessment of neonicotinoid insecticides in the Huai River, China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 333:122068. [PMID: 37330189 DOI: 10.1016/j.envpol.2023.122068] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 06/19/2023]
Abstract
Neonicotinoids (NEOs) are the most widely used insecticides in the world. Nevertheless, the occurrence and distribution of NEOs in agricultural areas are not well understood. This study investigated the concentration, sources, ecological risks, and health risks of eight NEOs in the water of the Huai River, which flows through a typical agricultural area in China. The total concentration of NEOs in the river water ranged from 1.02 to 191.2 ng L-1, with an average of 64.1 ng L-1. Thiamethoxam was the dominant compound, with an average relative contribution of 42.5%. The average concentration of the total NEOs in downstream was significantly higher than that in upstream (p < 0.05). This may be related to the intensity of agricultural activities. The riverine NEO fluxes increased by approximately 12 times from the upper site to the lower site. More than 1.3 tons of NEOs in 2022 were transferred into Lake Hongze, the largest regulative lake on the Eastern Route of the South-to-North Water Diversion Project. Nonpoint sources were the major contributor to the total NEO inputs, and water use was the main output pathway. The risk assessment indicated that the individual NEOs in the river water presented low ecological risks. The NEO mixtures would produce chronic risks to aquatic invertebrates in 50% of the sampling sites, which were mostly distributed in downstream. Thus, more attention should be given to the downstream. Based on the Monte Carlo simulation, the health risks of NEOs via water consumption were estimated. The maximum chronic daily intakes were 8.4 × 10-4, 2.25 × 10-4, 1.27 × 10-4, 1.88 × 10-4 mg kg-1 day-1 for boys, girls, men, and women, respectively, which were approximately 2 orders of magnitude lower than the acceptable daily intake. Therefore, river water consumption would not be a concern for the public health.
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Affiliation(s)
- Xiaoxin Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Yuanxin Cao
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China.
| | - Jiachen Cao
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Qiao Li
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Yubo Yan
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
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Sinclair P, Hakeem J, Kumar SG, Loser D, Dixit K, Leist M, Kraushaar U, Kabbani N. Proteomic responses in the human dopaminergic LUHMES cell line to imidacloprid and its metabolites imidacloprid-olefin and desnitro-imidacloprid. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2023; 194:105473. [PMID: 37532312 DOI: 10.1016/j.pestbp.2023.105473] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 05/08/2023] [Accepted: 05/18/2023] [Indexed: 08/04/2023]
Abstract
Neonicotinoids (neonics) are amongst the most commonly used class of pesticides globally. In the United States, imidacloprid (IMI) is extensively used for agriculture and in other common applications such as house-hold pest control. Regular exposure to IMI, and several of its known metabolites including IMI-olefin and desnitro-imidacloprid (DN-IMI), has been shown to be harmful to many organisms including mammals, birds, and fish. Studies show that neonics bind human nicotinicacetylcholine receptors (nAChRs) and cause cellular toxicity. In the dopaminergic Lund human mesencephalic (LUHMES) cell line, IMI and other neonics (10-100 μM) have been recently shown to activate intracellular calcium signaling through nAChRs. Thus, we examined proteomic responses of LUHMES cells to a 48-h treatment with 50 μM IMI, IMI-olefin, or DN-IMI. Our findings show differential effects of these neonics on cellular protein expression. Bioinformatic analysis of significantly altered proteins indicates an effect of IMI, IMI-olefin, and DN-IMI on protein synthesis and ribosomal function. These findings suggest a role for protein synthesis and transcriptional regulation in neonic-mediated dopaminergic neurotoxicity.
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Affiliation(s)
| | - Julia Hakeem
- Interdisciplinary Program in Neuroscience, George Mason University
| | - Sreehari G Kumar
- Interdisciplinary Program in Neuroscience, George Mason University
| | - Dominik Loser
- NMI Natural and Medical Sciences Institute at the University of Tübingen, 72770, Reutlingen, Germany
| | - Kushan Dixit
- Interdisciplinary Program in Neuroscience, George Mason University
| | - Marcel Leist
- In Vitro Toxicology and Biomedicine, Department Inaugurated by the Doerenkamp-Zbinden Foundation, University of Konstanz, Universitaetsstr. 10, 78457 Constance, Germany
| | - Udo Kraushaar
- NMI Natural and Medical Sciences Institute at the University of Tübingen, 72770, Reutlingen, Germany
| | - Nadine Kabbani
- Interdisciplinary Program in Neuroscience, George Mason University; School of Systems Biology, George Mason University.
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31
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Xue M, Li P, Li C, Qi Y, Han Z, Li J, Li A, Xia T. Transformation of graphene oxide affects photodegradation of imidacloprid in the aquatic environment: Mechanism and implication. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:163108. [PMID: 37003175 DOI: 10.1016/j.scitotenv.2023.163108] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 05/17/2023]
Abstract
Graphene oxide (GO) is a representative novel carbonaceous nanomaterial, and neonicotinoid insecticides (NEOs) are currently the insecticides with the highest market share in the world. Their widespread application deservedly leads to their release to the environment. Thus, the complex interactions of these two types of organic compounds have attracted extensive attention. In this study, the effects of GO and its derivatives, reduced GO (RGO) and oxidized GO (OGO), on the photolysis of imidacloprid (IMD) (a typical NEO) under ultraviolet (UV) irradiation were systematically investigated. The results showed that the presence of the graphene-based nanomaterials (GNs) largely depressed the photodegradation of IMD, and the inhibition degree followed the order of RGO > GO > OGO. This was because the sp2 π-conjugated structure in the GNs caused light-shielding effect and attenuated the direct photolysis of IMD, even though the GNs-generated reactive oxygen species (ROS) promoted the indirect photodegradation of IMD to a certain extent. Additionally, the rich O-functionalized GO and OGO altered the photolysis pathway of IMD and induced more toxic intermediate products. These results highlight the implication of carbonaceous nanomaterials on the behavior, fate and potential risk of NEOs in aqueous systems.
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Affiliation(s)
- Mengzhu Xue
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Peiyao Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Chang Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Yonghao Qi
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Zhentong Han
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Jiarui Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Ao Li
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Tianjiao Xia
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Low-carbon Green Agriculture in Northwestern China, Ministry of Agriculture and Rural Affairs, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agri-Environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China.
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32
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Jia Q, Li B, Li B, Cai Y, Yuan X. Experiments and simulation of adsorption characteristics of typical neonicotinoids in urban stream sediments. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27025-x. [PMID: 37248353 DOI: 10.1007/s11356-023-27025-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/11/2023] [Indexed: 05/31/2023]
Abstract
Sediment adsorption is one of the main environmental fates of neonicotinoids (NEOs) in aquatic environments. Little information is available on for the adsorption characteristics of NEOs on urban stream sediments. In this study, urban tidal stream sediments were collected to determine the adsorption properties of four selected NEOs. The influence of environmental factors on NEO adsorption was determined by the RSM-CCD method. The NEO adsorption rates on sediments were established by multiple regression equations. As a result, the adsorption of four NEOs onto sediments fitted a linear isotherm model. The adsorption amounts of thiacloprid (THA), clothianidin (CLO), acetamiprid (ACE), and imidacloprid (IMI) were 1.68 to 2.24, 1.71 to 2.89, 1.88 to 3.07, and 2.23 to 3.16 mg/kg, respectively. The adsorption processes of four NEOs on urban sediments were favorable. Moreover, adsorption behaviors of NEOs were typical physical adsorption and readily adsorbed onto urban sediments. The adsorption processes of NEOs were exothermic reactions, and their adsorption rates decreased with increasing pH. Flow rates and organic matter contents could promote the adsorption ratios of typical NEOs. Multiple linear regression was used to assess the relationships between the adsorption rates of NEOs and environmental factors. The p-values of the fitting equations of adsorption rates were all less than 0.05. Within the ranges of concentration of the investigated factors, the multiple regression equations were able to reasonably model and predict the sorption of typical NEOs onto urban stream sediments. Therefore, the adsorption rate equations effectively predicted the NEO adsorption performance of urban streams and were helpful for controlling risk assessment of NEOs.
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Affiliation(s)
- Qunpo Jia
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Bowen Li
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Bo Li
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yanpeng Cai
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China.
| | - Xiao Yuan
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
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Elango D, Kayalvizhi N, Jayanthi P. Effects of a Neonicotinoid on Indigenous Earthworm Perionyx excavatus Biochemical and Histopathological Alterations. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2023; 110:93. [PMID: 37160455 DOI: 10.1007/s00128-023-03731-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2022] [Accepted: 04/25/2023] [Indexed: 05/11/2023]
Abstract
Acetamiprid is a broad-spectrum insecticide, belonging to the neonicotinoid compounds group, which has been extensively applied throughout the globe. Recently, indiscriminate use of these compounds was reported to cause fatal impacts on non-targeted soil organisms. Hence, the present study aimed to examine the impact of acetamiprid on Indian indigenous earthworm, Perionyx excavatus. Acute toxicity revealed an LC50 concentration of 0.25 µg/cm2 for filter paper test/72 h and 400 µg/kg for artificial soil test/14 days. Oxidative stress (ROS) and various biomarkers including superoxide dismutase, catalase, glutathione S-transferase, malondialdehyde content and DNA damage were measured. The results of the biomarker responses confirmed the acetamiprid exposure can cause toxicity to P. excavatus. In addition, cell density (20 × 102 cell mL/mg) and cell viability (40%) were significantly (p < 0.05) reduced. Further, the ecotoxicological assessment made through this study can be utilized as good evidence to toxicity of neonicotinoids to non-targeted indigenous organisms.
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Affiliation(s)
- Duraisamy Elango
- Department of Environmental Science, Periyar University, Salem, Tamil Nadu, 636011, India
| | | | - Palaniyappan Jayanthi
- Department of Environmental Science, Periyar University, Salem, Tamil Nadu, 636011, India.
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34
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Rostami M, Zhang B, Zhang Y. Selective detection of nitenpyram by silica-supported carbon quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 292:122387. [PMID: 36731305 DOI: 10.1016/j.saa.2023.122387] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 12/06/2022] [Accepted: 01/16/2023] [Indexed: 06/18/2023]
Abstract
In this study, a fluorescent sensor of nitrogen-doped carbon quantum dots (N-CQDs) and silica gel hybrid was developed for the quantitative detection of nitenpyram, a toxic neonicotinoid existing in groundwater and/or surface water.The prepared N-CQDs@SiO2 sensor exhibited remarkable sensing selectivity and sensitivity towards nitenpyram among the four pesticides and six metal ions. A prominent fluorescence quenching of N-CQDs@SiO2 at 445 nm was observed in the presence of nitenpyram with a linear response range of 0-300.0 mg L-1 and an estimated limit of detection of 1.53 mg L-1. The main cause for selective sensing is that nitenpyram absorbs the excitation light of N-CQDs@SiO2, leading to fluorescence quenching of the sensor through the inner filter effect.
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Affiliation(s)
- Masoumeh Rostami
- Department of Process Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's A1C 5S7, Canada
| | - Baiyu Zhang
- The Northern Region Persistent Organic Pollution Control (NRPOP) Laboratory, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's A1C 5S7, Canada
| | - Yan Zhang
- Department of Process Engineering, Faculty of Engineering and Applied Science, Memorial University of Newfoundland, St. John's A1C 5S7, Canada.
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Man Y, Sun T, Wu C, Liu X, He M. Evaluating the Impact of Individual and Combined Toxicity of Imidacloprid, Cycloxaprid, and Tebuconazole on Daphnia magna. TOXICS 2023; 11:toxics11050428. [PMID: 37235243 DOI: 10.3390/toxics11050428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/23/2023] [Accepted: 04/24/2023] [Indexed: 05/28/2023]
Abstract
The risks posed by chemicals in the environment are typically assessed on a substance-by-substance basis, often neglecting the effects of mixtures. This may lead to an underestimation of the actual risk. In our study, we investigated the effects of three commonly used pesticides-imidacloprid (IMI), cycloxaprid (CYC), and tebuconazole (TBZ)-both individually and in combination, using various biomarkers to assess their impact on daphnia. Our findings indicated that the order of toxicity, from highest to lowest, was TBZ, IMI, and CYC, as determined by acute toxicity as well as reproduction. The effects of the ITmix (IMI and TBZ) and CTmix (CYC and TBZ) combinations on immobilization and reproduction were evaluated by MIXTOX, revealing a higher risk of immobilization at low concentrations for ITmix. The effect on reproduction differed depending on the ration of pesticides in the mixture, with synergism observed, which may be caused mainly by IMI. However, CTmix showed antagonism for acute toxicity, with the effect on reproduction depending upon the composition of the mixture. The response surface also exhibited a switch between antagonism and synergism. Additionally, the pesticides extended the body length and inhibited the development period. The activities of superoxide dismutase (SOD) and catalase (CAT) content was also significantly induced at different dosage points in both the single and combination groups, indicating changes in the metabolic capabilities of detoxifying enzymes and target site sensitivity. These findings highlight the need for more attention to be focused on the effects of pesticide mixtures.
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Affiliation(s)
- Yanli Man
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Tian Sun
- Guangxi SPR Technology Co., Ltd., Nanning 530000, China
| | - Chi Wu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xingang Liu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Mingyuan He
- Guangxi SPR Technology Co., Ltd., Nanning 530000, China
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36
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Bhende RS, Dafale NA. Insights into the ubiquity, persistence and microbial intervention of imidacloprid. Arch Microbiol 2023; 205:215. [PMID: 37129684 DOI: 10.1007/s00203-023-03516-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: 02/10/2023] [Revised: 03/17/2023] [Accepted: 03/23/2023] [Indexed: 05/03/2023]
Abstract
Imidacloprid, a neonicotinoid pesticide, is employed to increase crop productivity. Meanwhile, its indiscriminate application severely affects the non-target organisms and the environment. As an eco-friendly and economically workable option, the microbial intervention has garnered much attention. This review concisely outlines the toxicity, long-term environmental repercussions, degradation kinetics, biochemical pathways, and interplay of genes implicated in imidacloprid remediation. The studies have highlighted imidacloprid residue persistence in the environment for up to 3000 days. In view of high persistence, effective intervention is highly required. Bacteria-mediated degradation has been established as a viable approach with Bacillus spp. being among the most efficient at 30 ℃ and pH 7. Further, a comparative metagenomic investigation reveals dominant neonicotinoid degradation genes in agriculture compared to forest soils with distinctive microbial communities. Functional metabolism of carbohydrates, amino acids, fatty acids, and lipids demonstrated a significantly superior relative abundance in forest soil, implying its quality and fertility. The CPM, CYP4C71v2, CYP4C72, and CYP6AY3v2 genes that synthesize cyt p450 monooxygenase enzyme play a leading role in imidacloprid degradation. In the future, a systems biology approach incorporating integrated kinetics should be utilized to come up with innovative strategies for moderating the adverse effects of imidacloprid on the environment.
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Affiliation(s)
- Rahul S Bhende
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 4400 20, India
| | - Nishant A Dafale
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 4400 20, India.
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37
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Tiwari S, Tripathi P, Mohan D, Singh RS. Imidacloprid biodegradation using novel bacteria Tepidibacillus decaturensis strain ST1 in batch and in situ microcosm study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:61562-61572. [PMID: 36534260 DOI: 10.1007/s11356-022-24779-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Accepted: 12/12/2022] [Indexed: 05/10/2023]
Abstract
Imidacloprid is one of the frequently used insecticides. Indiscriminate use of imidacloprid makes it perilous to non-target organisms as well as the environment, including soil and water sources, thus, making its elimination from the environment an irresistible concern. Bioremediation is a technique that uses the degrading capabilities of bacteria to create an economical and reliable method of pesticide abatement. In an attempt to solve the problem arising due to imidacloprid contamination, bacterial strains possessing the ability to degrade imidacloprid were isolated from contaminated agricultural soil samples in the present study. Imidacloprid-degrading isolate, identified as Tepidibacillus decaturensis strain ST1, could effectively degrade imidacloprid in liquid media, slurry, and soil microcosms. The microcosm studies using the isolate resulted in the degradation of around 77.5% and 85% of imidacloprid (200 ppm) in sterile and unsterile soils within 45 days. In addition to biodegradation, sorption of insecticide by the plants and natural reduction of insecticide over time has also been reported. The degradation in soil follows first-order kinetics. Hydrazinecarboxamide and hydroxyurea were identified as metabolites on conducting GC-MS analysis of the degraded samples.
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Affiliation(s)
- Sonam Tiwari
- Department of Civil Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Pranjal Tripathi
- Department of Chemical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Devendra Mohan
- Department of Civil Engineering, Indian Institute of Technology (Banaras Hindu University), Varanasi, India
| | - Ram Sharan Singh
- Department of Chemical Engineering and Technology, Indian Institute of Technology (Banaras Hindu University), Varanasi, India.
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38
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Petrova E, Meierdierks J, Finkel M, Grathwohl P. Legacy pollutants in fractured aquifers: Analytical approximations for back diffusion to predict atrazine concentrations under uncertainty. JOURNAL OF CONTAMINANT HYDROLOGY 2023; 255:104161. [PMID: 36870120 DOI: 10.1016/j.jconhyd.2023.104161] [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: 11/23/2022] [Revised: 02/05/2023] [Accepted: 02/10/2023] [Indexed: 06/18/2023]
Abstract
We present novel analytical approximations for the estimation of travel distance and relative height of solute concentration peaks within a single fracture system for pollutants that have been temporarily applied at a constant rate in the past. These approximations are used to investigate the spatiotemporal evolution of the concentration of atrazine, as an example for many other so-called legacy compounds that are still found in the groundwater of fractured rock aquifers even decades after their application has stopped. This is done in a stochastic framework to account for the uncertainty in relevant parameters, focusing on probabilities of exceeding the given legal concentration limit and the expected length of the recovery period. We specifically consider the properties of the Muschelkalk limestone aquifer in the Ammer river catchment in SW Germany, and the three major types of carbonate rock facies: Shoal, Tempestite, and Basinal limestones. Atrazine sorption parameters have been determined in laboratory experiments. The simulations confirm that diffusion-limited sorption and desorption may cause considerable atrazine levels long after application stop. For the properties of the considered rock facies types, and corresponding parameter ranges, atrazine concentration above the legal limit is supposed to be limited to locations referring to only a few years of travel time. If the concentration exceeds the legal limit by the year 2022, it will take decades to centuries until recovery.
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Affiliation(s)
- Elena Petrova
- Department of Geosciences, University of Tübingen, Schnarrenbergstr. 94-96, 72076 Tübingen, Germany.
| | - Jana Meierdierks
- Department of Geosciences, University of Tübingen, Schnarrenbergstr. 94-96, 72076 Tübingen, Germany
| | - Michael Finkel
- Department of Geosciences, University of Tübingen, Schnarrenbergstr. 94-96, 72076 Tübingen, Germany
| | - Peter Grathwohl
- Department of Geosciences, University of Tübingen, Schnarrenbergstr. 94-96, 72076 Tübingen, Germany.
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Campbell KS, Keller P, Golovko SA, Seeger D, Golovko MY, Kerby JL. Connecting the Pipes: Agricultural Tile Drains and Elevated Imidacloprid Brain Concentrations in Juvenile Northern Leopard Frogs ( Rana pipiens). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:2758-2767. [PMID: 36753680 DOI: 10.1021/acs.est.2c06527] [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
Neonicotinoids are neurotoxic insecticides and are often released into nearby wetlands via subsurface tile drains and can negatively impact nontarget organisms, such as amphibians. Previous studies have indicated that imidacloprid, a commonly used neonicotinoid, can cross the amphibian blood-brain barrier under laboratory conditions; however, little is known about the impact of low concentrations in a field-based setting. Here, we report aqueous pesticide concentrations at wetland production areas that were either connected or not connected to agricultural tile drains, quantified imidacloprid and its break down products in juvenile amphibian brains and livers, and investigated the relationship between imidacloprid brain concentration and brain size. Imidacloprid concentrations in brain and water samples were nearly 2.5 and 5 times higher at tile wetlands (brain = 4.12 ± 1.92 pg/mg protein; water = 0.032 ± 0.045 μg/L) compared to reference wetlands, respectively. Tile wetland amphibians also had shorter cerebellums (0.013 ± 0.001 mm), depicting a negative relationship between imidacloprid brain concentration and cerebellum length. The metabolite, desnitro-imidacloprid, had liver concentrations that were 2 times higher at tile wetlands (2 ± 0.3 μg/g). Our results demonstrate that imidacloprid can cross the amphibian blood-brain barrier under ecological conditions and may alter brain dimensions and provide insight into the metabolism of imidacloprid in amphibians.
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Affiliation(s)
- Kaitlyn S Campbell
- Department of Biology, University of South Dakota, Vermillion, South Dakota 57069, United States
| | - Peyton Keller
- Department of Biology, University of South Dakota, Vermillion, South Dakota 57069, United States
| | - Svetlana A Golovko
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota 58203, United States
| | - Drew Seeger
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota 58203, United States
| | - Mikhail Y Golovko
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota 58203, United States
| | - Jacob L Kerby
- Department of Biology, University of South Dakota, Vermillion, South Dakota 57069, United States
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Rapp-Wright H, Regan F, White B, Barron LP. A year-long study of the occurrence and risk of over 140 contaminants of emerging concern in wastewater influent, effluent and receiving waters in the Republic of Ireland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 860:160379. [PMID: 36427717 DOI: 10.1016/j.scitotenv.2022.160379] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 11/16/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
Despite being a developed country in the European Union (EU), knowledge of the nature and extent of contamination of water bodies with contaminants of emerging concern (CECs) in Ireland is limited. In this study, >140 CECs including pharmaceuticals, pesticides and personal care products were monitored in monthly samples of wastewater treatment plant (WWTP) influent, effluent and receiving surface waters at both an urban and a rural location (72 samples in total) in Ireland over a 12-month period in 2018-2019. In total, 58 CECs were detected, including several EU Water Framework Directive Watch List compounds. Of all classes, the highest concentrations were measured for pharmaceuticals across all media, i.e., propranolol in surface waters (134 ng·L-1), hydrochlorothiazide in effluent (1067 ng·L-1) and venlafaxine in influent wastewater (8273 ng·L-1). Overall, high wastewater treatment removal was observed and a further reduction in CEC occurrence and concentration was measured via dilution in the receiving river environment. Lastly, an environmental risk assessment (ERA) was performed using risk quotients (RQ), which revealed that in surface waters, total RQ for all CECs was an order of magnitude lower than in effluents. The majority of CECs in surface waters posed a lower risk except E2 and EE2 which presented a medium risk (RQs of 3.5 and 1.1, respectively) in the rural area. This work represents the most comprehensive CEC monitoring dataset to date for Ireland which allowed for an ERA prioritisation to be performed for the first time.
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Affiliation(s)
- Helena Rapp-Wright
- MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, Wood Lane, London W12 0BZ, United Kingdom; DCU Water Institute and School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland.
| | - Fiona Regan
- DCU Water Institute and School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Blánaid White
- DCU Water Institute and School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Leon P Barron
- MRC Centre for Environment and Health, Environmental Research Group, School of Public Health, Imperial College London, Wood Lane, London W12 0BZ, United Kingdom
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Woolf AD, Stierman BD, Barnett ED, Byron LG. Drinking Water From Private Wells and Risks to Children. Pediatrics 2023; 151:190542. [PMID: 36995188 DOI: 10.1542/peds.2022-060645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/16/2022] [Indexed: 02/04/2023] Open
Abstract
Drinking water for approximately 23 million US households is obtained from private wells. These wells can become contaminated by pollutant chemicals or pathogenic organisms, leading to significant illness. Although the US Environmental Protection Agency and all states offer guidance for construction, maintenance, and testing of private wells, most states only regulate the construction of new private water wells. With a few exceptions, there is little regulation after construction. Well owners are responsible for their own wells. Children may also drink well water at child care or when traveling. Illness resulting from children’s ingestion of contaminated water can be severe. This report reviews relevant aspects of groundwater and wells; describes the common chemical and microbiologic contaminants; gives an algorithm with recommendations for inspection, testing, and remediation for wells providing drinking water for children; and provides references and Internet resources for more information.
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Affiliation(s)
- Alan D Woolf
- Department of Pediatrics, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Bryan D Stierman
- Department of Pediatrics, Boston Children's Hospital and Harvard Medical School, Boston, Massachusetts
| | - Elizabeth D Barnett
- Department of Pediatrics, Boston Medical Center and Boston University School of Medicine, Boston, Massachusetts
| | - Lori G Byron
- Indian Health Service (retired), SCL Health, Billings, Montana
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Bandeira FO, Lodi MR, Graciani TS, Oroski S, Mattias JL, Cardoso EJBN, Alves PRL. The use of sewage sludge as remediation for imidacloprid toxicity in soils. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:20159-20167. [PMID: 36251199 DOI: 10.1007/s11356-022-23584-7] [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: 06/14/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
This study investigated the influence of the sewage sludge (SS) soil amendment on the chronic toxicity of imidacloprid (through the seed dressing formulation MUCH 600 FS®-600 g active ingredient L-1) to collembolans Folsomia candida. Individuals 10-12 days old were exposed to two contrasting tropical soils (Oxisol and Entisol) amended with SS doses (0, 20, 40, 80, 160, and 320 g SS kg-1 soil; the SS doses have low intrinsic toxicity, which was checked before its application) in a full factorial combination with five imidacloprid concentrations (varying from 0.25 to 4 mg kg-1 in Oxisol and 0.03-0.5 mg kg-1 in Entisol) plus a control. None of the SS doses (without imidacloprid) in both soils reduced the number of generated juvenile collembolans. The imidacloprid concentrations reducing the collembolan reproduction in 50% (EC50) in Oxisol and Entisol without SS were 0.49 and 0.08 mg kg-1, respectively. However, the EC50 values generally increased with increasing SS doses in soils, varying from 1.03 to 1.41 in Oxisol and 0.07 to 0.21 in Entisol. The SS-amended soils showed 2.1- to 2.9-fold lower imidacloprid toxicity (EC50-based) in Oxisol and 1.8- to 2.7-fold lower toxicity in Entisol. Our results suggest the most effective SS doses alleviating the imidacloprid toxicity (EC50-based) to collembolans are 20 g kg-1 in Oxisol and 80 g kg-1 in Entisol. These results indicate that the tested SS has the potential to be employed as a soil amendment agent by reducing the toxicity of imidacloprid to the reproduction of F. candida.
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Affiliation(s)
- Felipe Ogliari Bandeira
- Department of Soil Science, Santa Catarina State University, 88520-000 Lages, Av. Luis de Camões, SC, 2090, Brazil
| | - Mikael Renan Lodi
- Universidade Federal da Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | | | - Sabrina Oroski
- Universidade Federal da Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | - Jorge Luis Mattias
- Universidade Federal da Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil
| | | | - Paulo Roger Lopes Alves
- Universidade Federal da Fronteira Sul, Av. Fernando Machado 108 E, Chapecó, SC, 89802112, Brazil.
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Łukaszewicz P, Stepnowski P, Haliński ŁP. The first fully optimized and validated SPE-LC-MS/MS method for determination of the new-generation neonicotinoids in surface water samples. CHEMOSPHERE 2023; 310:136868. [PMID: 36265709 DOI: 10.1016/j.chemosphere.2022.136868] [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] [Received: 08/30/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Widespread use of the new generation neonicotinoids (NQs) results in their constant inflow to water bodies. Both their persistence in waters and mechanism of action similar to older compounds already banned in the EU raise concerns about potential ecotoxicological effects. Information about presence of the new NQs in the aquatic environment is still sparse, and the consequences for aquatic organisms remain mostly unknown, due to the lack of sensitive and selective analytical tools. Therefore, a method utilizing solid-phase extraction and liquid chromatography-tandem mass spectrometry (SPE-LC-MS/MS) has been developed and optimized, enabling the monitoring of EU-approved NQs: acetamiprid (ACT), sulfoxaflor (SFX) and flupyradifurone (FLU), and common NQ metabolite 6-chloronicotinoic acid (6-CNA) in surface waters. To optimize their extraction from natural water samples, the response surface methodology (RSM) was used. An increase in pH value favored higher absolute recoveries (AR) of ACT, SFX and FLU, while the opposite effect was observed for 6-CNA. Increasing water sample volume had adverse effect on the extraction of all compounds. The optimal conditions for simultaneous extraction of all compounds included the use of Oasis HLB sorbent, 200 mL of a water sample at pH of 4.6, and application of 0.3% HCOOH in acetonitrile as an eluent, allowing to obtain AR values above 80% in most cases. Further increase in pH value had positive impact on extraction effectiveness of ACT, SFX and FLU. The method was subjected to full matrix-matched validation and was proven to be fully reliable for the analysis of ACT, SFX and FLU, while the successful isolation of 6-CNA depends on the matrix composition. Finally, the method was applied to the analysis of NQs in surface water samples, proving its sensitivity and selectivity. It can be easily adapted as a tool for trace analysis of NQs and for NQ-associated risk assessment in aquatic ecosystems.
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Affiliation(s)
- Paulina Łukaszewicz
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, Ul. Wita Stwosza 63, 80-308, Gdańsk, Poland.
| | - Piotr Stepnowski
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, Ul. Wita Stwosza 63, 80-308, Gdańsk, Poland
| | - Łukasz P Haliński
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdańsk, Ul. Wita Stwosza 63, 80-308, Gdańsk, Poland
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44
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Fonseca Peña SVD, Natale GS, Brodeur JC. Toxicity of the neonicotinoid insecticides thiamethoxam and imidacloprid to tadpoles of three species of South American amphibians and effects of thiamethoxam on the metamorphosis of Rhinella arenarum. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2022; 85:1019-1039. [PMID: 36424857 DOI: 10.1080/15287394.2022.2147113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The present study examined the acute and chronic toxicity of the neonicotinoid insecticides imidacloprid (IMI) and thiamethoxam (TIA) on the neotropical amphibian species Rhinella arenarum, Rhinella fernandezae and Scinax granulatus. The median lethal concentration after 96 hr exposure (96 hr-LC50) ranged between 11.28 and >71.2 mg/L amongst all species and development stages tested, indicating that these pesticides are not likely to produce acute toxicity in the wild. The subchronic toxicity was also low, with 21 day-LC50 values ranging between 27.15 and >71.2 mg/L. However, tadpoles of Rhinella arenarum exposed to thiamethoxam from stage 27 until completion of metamorphosis presented a significantly lower metamorphic success rate together with a smaller size at metamorphosis, starting from the lowest concentration tested. Although a number of studies previously examined the effects of neonicotinoids on amphibian tadpoles, these investigations focused on the time to metamorphosis and reported a variety of results including retardation, acceleration or lack of effect. Here, data demonstrated that thiamethoxam predominantly impacts metamorphosis through reduction of the transformation success and body weight, rather than by affecting the timings of metamorphosis. By closely monitoring progression of tadpoles through the different stages, impairment of metamorphosis was demonstrated to occur during the transition from stage 39 to 42, suggesting an effect on the thyroid system. An asymmetry in the length of the arms was also observed in metamorphs treated with thiamethoxam. Overall, these results indicate that thiamethoxam, and conceivably other neonicotinoids, have the potential to significantly impair metamorphosis of amphibians and diminish their performance and survival in the wild.
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Affiliation(s)
- Shirley Vivian Daniela Fonseca Peña
- Instituto de Recursos Biológicos Centro de Investigaciones de Recursos Naturales (CIRN) Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
| | - Guillermo Sebastián Natale
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
- Centro de Investigaciones del Medio Ambiente (CIM) Departamento de Química, Facultad de Ciencias Exactas Universidad Nacional de La Plata, La Plata, Buenos Aires, Argentina
| | - Julie Céline Brodeur
- Instituto de Recursos Biológicos Centro de Investigaciones de Recursos Naturales (CIRN) Instituto Nacional de Tecnología Agropecuaria (INTA), Hurlingham, Buenos Aires, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Argentina
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45
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Perez ASC, Challis JK, Ji X, Giesy JP, Brinkmann M. Impacts of wastewater effluents and seasonal trends on levels of antipsychotic pharmaceuticals in water and sediments from two cold-region rivers. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158247. [PMID: 36007655 DOI: 10.1016/j.scitotenv.2022.158247] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/19/2022] [Accepted: 08/19/2022] [Indexed: 06/15/2023]
Abstract
Most pharmaceuticals are found at trace concentrations in aquatic systems, but their continuous release and potential accumulation can lead to adverse health effects in exposed organisms. Concentrations can vary temporally, driven by variations in discharges of receiving waters, sorption to sediments, and other biotic and abiotic exchange processes. The principal aim of this research was to better understand the occurrence, trends, and dynamics of pharmaceuticals in a cold-climate, riverine environment. To this end, a suite of seven representative antipsychotic pharmaceuticals was measured upstream and downstream of two wastewater treatment plants (WWTPs) in Saskatchewan, Canada, located in the South Saskatchewan River and Wascana Creek, respectively, across three seasons. Concentrations of analytes were in the ng/L range and generally greater downstream of both WWTPs compared to upstream. Some compounds, including the tricyclic antidepressant amitriptyline, which was the most abundant analyte in water and sediment from both sites and across seasons, reached low μg/L concentrations. Data collected from this research effort indicate contamination with antipsychotic pharmaceuticals, with the potential to adversely impact exposed organisms.
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Affiliation(s)
- Ana Sharelys Cardenas Perez
- School of Environment and Sustainability, University of Saskatchewan, 117 Science Place Saskatoon, Saskatoon, SK S7N 5C8, Canada; Global Institute for Water Security, University of Saskatchewan, Innovation Blvd, Saskatoon, SK S7N 3H5, Canada
| | - Jonathan K Challis
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada
| | - Xiaowen Ji
- School of Environment and Sustainability, University of Saskatchewan, 117 Science Place Saskatoon, Saskatoon, SK S7N 5C8, Canada; Global Institute for Water Security, University of Saskatchewan, Innovation Blvd, Saskatoon, SK S7N 3H5, Canada
| | - John P Giesy
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada; Department of Veterinary Biomedical Sciences, University of Saskatchewan, 52 Campus Dr, Saskatoon, SK S7N 5B4, Canada; Department of Environmental Sciences, Baylor University, Waco, TX 76706, USA; Department of Zoology and Center for Integrative Toxicology, Michigan State University, 426 Auditorium Road East Lansing, MI 48824, USA
| | - Markus Brinkmann
- School of Environment and Sustainability, University of Saskatchewan, 117 Science Place Saskatoon, Saskatoon, SK S7N 5C8, Canada; Global Institute for Water Security, University of Saskatchewan, Innovation Blvd, Saskatoon, SK S7N 3H5, Canada; Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada; Centre for Hydrology, University of Saskatchewan, 101 - 121 Research Drive, Saskatoon, SK S7N 1K2, Canada.
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Scharpf I, Cichocka S, Le DT, von Mikecz A. Peripheral neuropathy, protein aggregation and serotonergic neurotransmission: Distinctive bio-interactions of thiacloprid and thiamethoxam in the nematode Caenorhabditis elegans. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120253. [PMID: 36155223 DOI: 10.1016/j.envpol.2022.120253] [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: 06/29/2022] [Revised: 09/12/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
Due to worldwide production, sales and application, neonicotinoids dominate the global use of insecticides. While, neonicotinoids are considered as pinpoint neurotoxicants that impair cholinergic neurotransmission in pest insects, the sublethal effects on nontarget organisms and other neurotransmitters remain poorly understood. Thus, we investigated long-term neurological outcomes in the decomposer nematode Caenorhabditis elegans. In the adult roundworm the neonicotinoid thiacloprid impaired serotonergic and dopaminergic neuromuscular behaviors, while respective exposures to thiamethoxam showed no effects. Thiacloprid caused a concentration-dependent delay of the transition between swimming and crawling locomotion that is controlled by dopaminergic and serotonergic neurotransmission. Age-resolved analyses revealed that impairment of locomotion occurred in young as well as middle-aged worms. Treatment with exogenous serotonin rescued thiacloprid-induced swimming deficits in young worms, whereas additional exposure with silica nanoparticles enhanced the reduction of swimming behavior. Delay of forward locomotion was partly caused by a new paralysis pattern that identified thiacloprid as an agent promoting a specific rigidity of posterior body wall muscle cells and peripheral neuropathy in the nematode (lowest-observed-effect-level 10 ng/ml). On the molecular level exposure with thiacloprid accelerated protein aggregation in body wall muscle cells of polyglutamine disease reporter worms indicating proteotoxic stress. The results from the soil nematode Caenorhabditis elegans show that assessment of neurotoxicity by neonicotinoids requires acknowledgment and deeper research into dopaminergic and serotonergic neurochemistry of nontarget organisms. Likewise, it has to be considered more that different neonicotinoids may promote diverse neural end points.
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Affiliation(s)
- Inge Scharpf
- IUF - Leibniz Research Institute for Environmental Medicine GmbH, Auf'm Hennekamp 50, 40225, Duesseldorf, Germany
| | - Sylwia Cichocka
- IUF - Leibniz Research Institute for Environmental Medicine GmbH, Auf'm Hennekamp 50, 40225, Duesseldorf, Germany
| | - Dang Tri Le
- IUF - Leibniz Research Institute for Environmental Medicine GmbH, Auf'm Hennekamp 50, 40225, Duesseldorf, Germany
| | - Anna von Mikecz
- IUF - Leibniz Research Institute for Environmental Medicine GmbH, Auf'm Hennekamp 50, 40225, Duesseldorf, Germany.
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47
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Li X, He S, Xiao H, He TT, Zhang JD, Luo ZR, Ma JZ, Yin YL, Luo L, Cao LY. Neonicotinoid insecticides promote breast cancer progression via G protein-coupled estrogen receptor: In vivo, in vitro and in silico studies. ENVIRONMENT INTERNATIONAL 2022; 170:107568. [PMID: 36240625 DOI: 10.1016/j.envint.2022.107568] [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: 06/05/2022] [Revised: 09/02/2022] [Accepted: 10/05/2022] [Indexed: 06/16/2023]
Abstract
Neonicotinoid insecticides (NIs) have been widely detected in environmental media and human body with concentrations reaching hundreds of nanomolar to micromolar levels. However, the information about their human health toxicology and mechanism is deficient. Previous studies have implied that NIs might exert estrogenic disruption and promote breast cancer progression, but the molecular mechanism is unclear, especially the molecular initiating event. G protein-coupled estrogen receptor (GPER), as a candidate therapeutic target, plays vital roles in the development of breast cancer. This work aimed to reveal the potential mechanism through GPER pathway. Firstly, we screened the activities of seven most common NIs on GPER signal pathway by calcium mobilization assay. Clothianidin, acetamiprid (ACE), and dinotefuran activated GPER most potently and ACE displayed the highest agonistic activity with the lowest observed effective concentration (LOEC) of 1 μM. The molecular docking and dynamics simulation showed favored interaction trend between the NIs and GPER. The three NIs with GPER activity induced 4T1 breast cancer cells migration and ACE showed the highest potency with LOEC of 100 nM. ACE also induced 4T1 cells proliferation at high concentration of 50 μM and up-regulated GPER expression in a dose-dependent manner. We speculated that both the induction effects of ACE on 4T1 cells proliferation and migration might be owing to the activation and up-regulation of GPER. By using 4T1-Luc cells injected orthotopic tumor model, we found that ACE also promoted in-situ breast cancer growth and lung metastasis in normal mouse dependent on GPER. However, ACE only promoted in-situ breast cancer growth through GPER but not lung metastasis in ovariectomized mice, implying that the ACE-induced lung metastasis should be related to endogenous estrogen from ovary. Overall, we demonstrated that NIs promoted breast cancer progression via GPER pathway at human related exposure levels and their female health risks need urgent concerns.
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Affiliation(s)
- Xin Li
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Sen He
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Han Xiao
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China
| | - Ting-Ting He
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Jia-Da Zhang
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Zi-Rui Luo
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Jie-Zhi Ma
- Department of Obstetrics and Gynecology, Xiangya Third Hospital, Central South University, Changsha 410013, China
| | - Yu-Long Yin
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Lin Luo
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China
| | - Lin-Ying Cao
- College of Resources and Environment, Hunan Agricultural University, 1, Nongda Road, Furong District, Changsha 410128, China.
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48
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Biodegradation and Metabolic Pathway of the Neonicotinoid Insecticide Thiamethoxam by Labrys portucalensis F11. Int J Mol Sci 2022; 23:ijms232214326. [PMID: 36430799 PMCID: PMC9694413 DOI: 10.3390/ijms232214326] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 11/06/2022] [Accepted: 11/15/2022] [Indexed: 11/22/2022] Open
Abstract
Thiamethoxam (TMX) is an effective neonicotinoid insecticide. However, its widespread use is detrimental to non-targeted organisms and water systems. This study investigates the biodegradation of this insecticide by Labrys portucalensis F11. After 30 days of incubation in mineral salt medium, L. portucalensis F11 was able to remove 41%, 35% and 100% of a supplied amount of TMX (10.8 mg L-1) provided as the sole carbon and nitrogen source, the sole carbon and sulfur source and as the sole carbon source, respectively. Periodic feeding with sodium acetate as the supplementary carbon source resulted in faster degradation of TMX (10.8 mg L-1); more than 90% was removed in 3 days. The detection and identification of biodegradation intermediates was performed by UPLC-QTOF/MS/MS. The chemical structure of 12 metabolites is proposed. Nitro reduction, oxadiazine ring cleavage and dechlorination are the main degradation pathways proposed. After biodegradation, toxicity was removed as indicated using Aliivibrio fischeri and by assessing the synthesis of an inducible β-galactosidase by an E. coli mutant (Toxi-Chromo test). L. portucalensis F11 was able to degrade TMX under different conditions and could be effective in bioremediation strategies.
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Cheng H, Tang G, Wang S, Rinklebe J, Zhu T, Cheng L, Feng S. Combined remediation effects of biochar and organic fertilizer on immobilization and dissipation of neonicotinoids in soils. ENVIRONMENT INTERNATIONAL 2022; 169:107500. [PMID: 36088871 DOI: 10.1016/j.envint.2022.107500] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/03/2022] [Accepted: 08/31/2022] [Indexed: 06/15/2023]
Abstract
Neonicotinoid (NEO) pesticides have become a potential risk to ecological safety and human health after application. The combined use of biochar and organic fertilizer (OF) is a promising approach to reduce pesticide adverse effects and improve soil fertility in agricultural soils. However, the combined remediation effects of biochar and OF on immobilization and dissipation of NEOs in soils have not previously been systematically investigated. In this study, biochars derived from peanut shell prepared at low/high pyrolysis temperatures (PS400 and PS900) were combined with composted chicken manure (CCM) as an example for OF to remediate contaminated soils toward six typical NEOs, nitenpyram (NIT), thiamethoxam (THIA), clothianidin (CLO), imidacloprid (IMI), acetamiprid (ACE), thiacloprid (THI). Results shown that both biochars and CCM were effective in improving soil sorption capacity and immobilization efficiency. The Freundlich affinity parameters (Kf) of NEOs in soils increased 7.2-12.0 times after the combined remediation of biochar and CCM, and the Kf of six NEOs had negative correlation with their lipophilicity (p < 0.05), which followed by THI > ACE ≈ IMI > CLO > THIA > NIT. Meanwhile, NEOs-abiotic degradation was accelerated by biochar, CCM and their combined addition by adjusting soil pH and stimulating hydrolysis action. Biotic degradation was dominant in NEOs dissipation processes in amended soils, and the contribution ratios of biotic degradation (CRbio) were in the range of 25.4-99.0%. The combined use of biochar and CCM selectively stimulated the relative abundance of NEOs-degraders, which simplified abiotic degradation of -NO2-containing NEOs (viz., NIT, THIA, CLO, and IMI), but inhibited -C≡N-containing NEOs (viz., ACE and THI). The combined remediation provided a strategy for immobilizing NEOs and facilitating dissipation of -NO2-containing NEOs in soils. The results in this study provide valuable information for policymakers and decision-makers to choose appropriate soil remediation approaches with respect to the NEO types.
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Affiliation(s)
- Haomiao Cheng
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Guanlong Tang
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Shengsen Wang
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, Nanjing 210095, China.
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water- and Waste-Management, Laboratory of Soil- and Groundwater-Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan 173212, Himachal Pradesh, India
| | - Tengyi Zhu
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Ling Cheng
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Shaoyuan Feng
- School of Hydraulic Science and Engineering, Yangzhou University, Yangzhou 225127, China
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Yan P, Zou Z, Li X, Zhang L, Zhang L, Fu J, Wenyan H. Biochar changed the distribution of imidacloprid in a plant-soil-groundwater system. CHEMOSPHERE 2022; 307:136213. [PMID: 36037941 DOI: 10.1016/j.chemosphere.2022.136213] [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: 04/06/2022] [Revised: 08/19/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
The use of biochar has increased, as its physicochemical properties reduce the adverse effects of pesticides. However, few studies have comprehensively investigated the effects of biochar on the distribution of pesticides in a plant-soil-groundwater system. In this study, a biochar produced from rice straw at 550 °C was chosen, and column experiments with five rated of biochar application (application rates = 0.0, 1.0, 2.0, 3.0, and 4.0% w/w for B0-B4, respectively) were conducted to investigate the capacity of biochar to immobilize imidacloprid (IMI) in soil, thereby decreasing its uptake by plants and leaching from soil into groundwater. Our results showed that IMI in plants, leached from soil, and detected in soil accounted for 3.78, 1.76, and 36.4% of the total IMI input, respectively, and the biochar treatments dramatically decreased the IMI distribution to 0.57, 0.11, and 13.4%, respectively. By contrast, the percentage of undetected IMI increased from 58.1% in the B0 treatment to an average of 86.0% in the biochar treatments. Biochar treatments increased IMI immobilization in soil, which could be related to the increased soil carbon content, surface area, cation exchange capacity. This study indicates that biochar with characters of high surface area and porosity can stabilize IMI and reduce its potential to harm plants and groundwater.
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Affiliation(s)
- Peng Yan
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China
| | - Zhenhao Zou
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China
| | - Xin Li
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China
| | - Liping Zhang
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China
| | - Lan Zhang
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China
| | - Jianyu Fu
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China.
| | - Han Wenyan
- Key Laboratory of Tea Quality and Safety Control, Ministry of Agriculture, Tea Research Institute, Chinese Academy of Agricultural Sciences, Hangzhou, 310008, China
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