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Zafeiriadis S, Adamaki-Sotiraki C, Rumbos CI, Athanassiou CG. Beyond carrots: Evaluation of gelling agents as wet feeds for Tenebrio molitor L. (Coleoptera: Tenebrionidae) larvae. CHEMOSPHERE 2024; 363:142783. [PMID: 38972459 DOI: 10.1016/j.chemosphere.2024.142783] [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: 03/13/2024] [Revised: 07/03/2024] [Accepted: 07/04/2024] [Indexed: 07/09/2024]
Abstract
Previous studies have shown that larvae of the yellow mealworm, Tenebrio molitor L. (Coleoptera: Tenebrionidae), need a source of moisture to grow and perform well. Currently, much research has been oriented towards the effect of dry feed on larval growth and performance. The effect of different wet feeds as moisture source on the performance traits of T. molitor larvae has not been thoroughly investigated yet. This study aims to investigate in laboratory trials the effect of various gelling agents (agar, carrageenans, guar gum, xanthan gum, sodium alginate, modified starch, and pectin) on the growth and performance of T. molitor larvae. A number of 50 newly emerged larvae obtained from the rearings of the LEAZ were inserted in plastic vials together with 4 g of wheat bran as dry feed. Additionally, 1 g of gelling agents was provided 3 times per week as moisture sources. Carrot slices served as control. Larval survival and weight were recorded weekly until the appearance of the first pupa. Dry feed was replenished when depleted. Our data showed that gelling agents efficiently supported the growth of T. molitor larvae, in terms of larval survival and weight, as well as feed utilization expressed as FCR. Interestingly, carrageenans seem to be the most appropriate gelling agent for T. molitor larvae rearing as it can enhance their weight and is also able to reduce their development time and their specific growth rate.
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Affiliation(s)
- S Zafeiriadis
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece.
| | - C Adamaki-Sotiraki
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece
| | - C I Rumbos
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece
| | - C G Athanassiou
- Laboratory of Entomology and Agricultural Zoology, Department of Agriculture Crop Production and Rural Environment, School of Agricultural Sciences, University of Thessaly, Phytokou Str., 38446, Volos, Greece
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2
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Huang W, Focker M, van Dongen KCW, van der Fels-Klerx HJ. Factors influencing the fate of chemical food safety hazards in the terrestrial circular primary food production system-A comprehensive review. Compr Rev Food Sci Food Saf 2024; 23:e13324. [PMID: 38517020 DOI: 10.1111/1541-4337.13324] [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: 10/04/2023] [Revised: 02/22/2024] [Accepted: 02/28/2024] [Indexed: 03/23/2024]
Abstract
Food safety is recognized as a major hurdle in the transition toward circular food production systems due to the potential reintroduction and accumulation of chemical contaminants in these food systems. Effectively managing these hazardous contaminants in a risk-based manner requires quantitative insights into the factors influencing the presence and fate of contaminants in the entire circular food chain. A systematic literature review was performed to gain an up-to-date overview of the known factors and their influence on the transfer and accumulation of contaminants. This review focused on the terrestrial circular primary food production system, including the pathways between waste- or byproduct-based fertilizers, soil, crops, animal feed, and farmed animals. This review revealed an imbalance in research regarding the different pathways: studies on the soil-to-crop pathway were most abundant. The factors identified can be categorized as compound-related (intrinsic) factors, such as hydrophobicity, molecular weight, and chain length, and extrinsic factors, such as soil organic matter and carbon, pH, milk yield of cows, crop age, and biomass. Quantitative data on the influence of the identified factors were limited. Most studies quantified the influence of individual factors, whereas only a few studies quantified the combined effect of multiple factors. By providing a holistic insight into the influential factors and the quantification of their influence on the fate of contaminants, this review contributes to the improvement of food safety management for chemical hazards when transitioning to a circular food system.
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Affiliation(s)
- Weixin Huang
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, The Netherlands
| | - Marlous Focker
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, The Netherlands
| | - Katja C W van Dongen
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, The Netherlands
| | - H J van der Fels-Klerx
- Wageningen Food Safety Research, Wageningen University & Research, Wageningen, The Netherlands
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3
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Li X, Song S, Wei F, Huang X, Guo Y, Zhang T. Occurrence, distribution, and translocation of legacy and current-use pesticides in pomelo orchards in South China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169674. [PMID: 38160827 DOI: 10.1016/j.scitotenv.2023.169674] [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: 10/24/2023] [Revised: 12/23/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
Pomelo (Citrus grandis) is a highly popular and juicy member of the citrus family. However, little is known regarding the occurrence and distribution of pesticides in pomelo. In this study, we determined the levels of legacy (n = 25) and current-use pesticides (n = 2) in all parts of pomelo (i.e., epicarp, mesocarp, endocarp, pulp, and seed) and paired soil and leaf samples collected from two pomelo orchards in South China. At least one target pesticide was detected in the pomelo fruit, soil, and leaf samples, indicating that these pesticides were ubiquitous. The spatial distribution of the total concentration of pesticides in the pomelo parts was in the order of epicarp (216 ng/g) > mesocarp (9.50 ng/g) > endocarp (4.40 ng/g) > seed (3.80 ng/g) > pulp (1.10 ng/g), revealing different spatial distributions in pomelo. Principal component analysis was performed based on the concentrations of the target pesticides in the pulp and paired samples of epicarp, leaf, topsoil, and deep soil to examine the translocation pathway of the pesticides in pomelo. Close correlations were found among the target pesticides, and the pesticides in the pulp were mainly transferred from the epicarp, topsoil, or deep soil. We also explored the factors that affected such transport and found that the main translocation pathway of the non-systemic pesticide (i.e., buprofezin) into the pulp was the epicarp, whereas the systemic pesticide (i.e., pyriproxyfen) was mainly derived from the soil. The cumulative chronic dietary risks of all the pesticides resulting from pomelo consumption were much lower than the acceptable daily intake values for the general population. However, the prolonged risk of exposure to these pesticides should not be underestimated. The potential health risks posed by legacy and current-use pesticides, which are widely and frequently utilized, should be given increased attention.
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Affiliation(s)
- Xu Li
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China; School of Chemistry and Environment, Jiaying University, Meizhou 514015, China
| | - Shiming Song
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China; School of Chemistry and Environment, Jiaying University, Meizhou 514015, China
| | - Fenghua Wei
- School of Chemistry and Environment, Jiaying University, Meizhou 514015, China
| | - Xiongfei Huang
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China
| | - Yuankai Guo
- School of Chemistry and Environment, Jiaying University, Meizhou 514015, China.
| | - Tao Zhang
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510275, China.
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4
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Singh NK, Sanghvi G, Yadav M, Padhiyar H, Christian J, Singh V. Fate of pesticides in agricultural runoff treatment systems: Occurrence, impacts and technological progress. ENVIRONMENTAL RESEARCH 2023; 237:117100. [PMID: 37689336 DOI: 10.1016/j.envres.2023.117100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 09/02/2023] [Accepted: 09/06/2023] [Indexed: 09/11/2023]
Abstract
The levels of pesticides in air, water, and soil are gradually increasing due to its inappropriate management. In particular, agricultural runoff inflicts the damages on the ecosystem and human health at massive scale. Present study summarizes 70 studies in which investigations on removal or treatment of pesticides/insecticides/herbicides are reported. A bibliometric analysis was also done to understand the recent research trends through the analysis of 2218 publications. The specific objectives of this study are as follows: i) to inventorize the characteristics details of agriculture runoff and analyzing the occurrence and impacts of pesticides, ii) analyzing the role and interaction of pesticides in different environmental segments, iii) investigating the fate of pesticides in agriculture runoff treatment systems, iv) summarizing the experiences and findings of most commonly technology deployed for pesticides remediation in agriculture runoff including target pesticide(s), specifications, configuration of technological intervention. Among the reported technologies for pesticide treatment in agriculture runoff, constructed wetland was at the top followed by algal or photobioreactor. Among various advanced oxidation processes, photo Fenton method is mainly used for pesticides remediation such as triazine, methyl parathion, fenuron and diuron. Algal bioreactors are extensively used for a wide range of pesticides treatment including 2,4-Dichlorophenoxyacetic acid, 2-methyl-4-chlorophenoxyacetic acid, alachlor, diuron, chlorpyrifos, endosulfan, and imidacloprid; especially at lower hydraulic retention time of 2-6 h. This study highlights that hybrid approaches can offers potential opportunities for effective removal of pesticides in a more viable manner.
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Affiliation(s)
- Nitin Kumar Singh
- Department of Chemical Engineering, Marwadi University, Rajkot, 360003, Gujarat, India.
| | - Gaurav Sanghvi
- Department of Microbiology, Marwadi University, Rajkot, 360003, Gujarat, India
| | - Manish Yadav
- Central Mine Planning Design and Institute, Bhubaneswar, 751013, Odisha, India
| | | | - Johnson Christian
- Environmental Audit Cell, Dr. R. D. Gardi Education Campus Rajkot, 360110, Gujarat India
| | - Vijai Singh
- Department of Biosciences, School of School of Science, Indrashil University, Rajpur, Mehsana, 382715, Gujarat, India
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Xie Y, Gong L, Liu S, Yan J, Zhao S, Xia C, Li K, Liu G, Mazhar MW, Zhao J. Antioxidants improve β-cypermethrin degradation by alleviating oxidative damage and increasing bioavailability by Bacillus cereus GW-01. ENVIRONMENTAL RESEARCH 2023; 236:116680. [PMID: 37500036 DOI: 10.1016/j.envres.2023.116680] [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: 06/14/2023] [Revised: 07/12/2023] [Accepted: 07/14/2023] [Indexed: 07/29/2023]
Abstract
Microbial degradation of pesticide residues has the potential to reduce their hazards to human and environmental health. However, in some cases, degradation can activate pesticides, making them more toxic to microbes. Here we report on the β-cypermethrin (β-CY) toxicity to Bacillus cereus GW-01, a recently described β-CY degrader, and effects of antioxidants on β-CY degradation. GW-01 exposed to β-CY negatively affected the growth rate. The highest maximum specific growth rate (μm) appeared at 25 mg/L β-CY. β-CY induced the oxidative stress in GW-01. The activities of superoxide dismutase (SOD), catalyse (CAT), and glutathione-S-transferase (GST) were significantly higher than that in control (p < 0.01); but they are decreased as growth phase pronged, which is contrary to the β-CY degradation by GW-01 cells obtaining from various growth phase. Ascorbic acid (Vc), tea polyphenols (TP), and adenosine monophosphate (AMP) improved the degradation through changing the physiological property of GW-01. TP and AMP prompted the expression of gene encoding β-CY degradation in GW-01, while Vc does the opposite. Biofilm formation was significantly inhibited by β-CY, while was significantly enhanced by certain concentrations of TP and AMP (p < 0.05); while cell surface hydrophobicity (CSH) was negatively associated with β-CY concentrations from 25 to 100 mg/L, and these 4 antioxidants all boosted the CSH. Cells grown with β-CY had lower levels of saturated fatty acids but increased levels of some unsaturated and branched fatty acids, and these antioxidants alleviated the FA composition changes and gene expression related with FA metabolism. We also mined transcriptome analyses at lag, logarithmic, and stationary phases, and found that β-CY induced oxidative stress. The objective of this study was to elaborate characteristics in relation to the microbial resistance of pesticide poisoning and the efficiency of pesticide degradation, and to provide a promising method for improving pesticide degradation by microbes.
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Affiliation(s)
- Yuxuan Xie
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China
| | - Lanmin Gong
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China
| | - Shan Liu
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China
| | - Jisha Yan
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China
| | - Sijia Zhao
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China
| | - Chen Xia
- Institute of Agro-products Processing Science and Technology, Sichuan Academy of Agricultural Sciences, 610066, Chengdu, Sichuan, PR China
| | - Ke Li
- Institute of Agro-products Processing Science and Technology, Sichuan Academy of Agricultural Sciences, 610066, Chengdu, Sichuan, PR China
| | - Gang Liu
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China
| | - Muhammad Waqar Mazhar
- Department of Bioinformatics and Biotechnology, Government College University, 38000, Faisalabad, Pakistan; Institute for Research in Molecular Medicine (INFORMM), Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
| | - Jiayuan Zhao
- Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China.
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Peñalver R, Pérez-Álvarez MD, Arroyo-Manzanares N, Campillo N, Viñas P. Determination of extractable pollutants from microplastics to vegetables: Accumulation and incorporation into the food chain. CHEMOSPHERE 2023; 341:140141. [PMID: 37696477 DOI: 10.1016/j.chemosphere.2023.140141] [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: 07/20/2022] [Revised: 02/13/2023] [Accepted: 09/09/2023] [Indexed: 09/13/2023]
Abstract
The presence and impacts of microplastics (MPs) are being extensively researched and reviewed, especially in the marine environment. However, mobility, transportation routes, and accumulation of leaching compounds such as additives in plastic waste including MPs are scarcely studied. Information regarding ecotoxicity and leachability of compounds related to MPs contamination in the environment is limited. Current work presents the levels of leachates from plastic materials in edible-root and non-edible root vegetables. Samples were analyzed by static headspace and gas chromatography-mass spectrometry (SHS-GC-MS) and the presence of 93 putative compounds was accurately monitored in the samples by the usage of Mass Spectrometry-Data Independent Analysis software. The application of chemometrics to the SHS-GC-MS dataset allowed differentiation between the levels of plastic related compounds in edible root and non-edible root vegetables, the former showing a higher content of plastic leachates. For SHS sampling, 3 g of the sample were incubated at 130 °C for 35 min in the HS vial and toluene and naphthalene were added as internal standards for quantification purposes. The developed SHS-GC-MS methodology is straightforward, reliable, and robust and allowed the quantification of sixteen plastic associated compounds in the samples studied in a range from 0.14 to 28800 ng g-1 corresponding to 2,4-di-tert-butylphenol and p,α-dimethylstyrene, respectively. Several of the quantified compounds pointed out to potential contamination of polystyrene and/or polyvinyl chloride MPs.
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Affiliation(s)
- Rosa Peñalver
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Murcia, Spain
| | - María Dolores Pérez-Álvarez
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Murcia, Spain
| | - Natalia Arroyo-Manzanares
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Murcia, Spain
| | - Natalia Campillo
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Murcia, Spain
| | - Pilar Viñas
- Department of Analytical Chemistry, Faculty of Chemistry, Regional Campus of International Excellence "Campus Mare Nostrum", University of Murcia, E-30100, Murcia, Spain.
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7
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Ray S, Shaju ST. Bioaccumulation of pesticides in fish resulting toxicities in humans through food chain and forensic aspects. Environ Anal Health Toxicol 2023; 38:e2023017-0. [PMID: 37853698 PMCID: PMC10613562 DOI: 10.5620/eaht.2023017] [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: 02/17/2023] [Accepted: 07/20/2023] [Indexed: 10/20/2023] Open
Abstract
A crucial component for agricultural productivity is pesticide application. Increased usage of pesticides has significantly increased agricultural output, reduced grain losses in storage, and overall enhanced human wellbeing. Globally, every year approximately 3 billion kg of pesticides are used which budgets around 40 billion USD. Pesticide use can leave behind unwanted residues that can contaminate food, the environment, and living tissues. They are known to spread from agricultural regions that have been treated into the wider environment, where they affect non-target creatures. All tiers of biological organisms, directly impacted by this exposure. Pesticides at sub-lethal levels alter every aspect of a fish's physiology, including histology, haematology, defence mechanisms, and behaviour. The same topic of pesticide toxicology is the emphasis of this article, which also addresses some important induced chronic toxicological effects of pesticides in fish and the extent of their bioaccumulation in fish tissues. The data represents the largest bodies of water, such as rivers and lakes, that have been contaminated by pesticides, notably due to pesticide drift. It has been discussed how readily pesticides are absorbed into fish bodies and how this enters the food chain inducing harmful impacts on human health when consumed.
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Affiliation(s)
- Suryapratap Ray
- Karunya Institute of Technology and Sciences, Tamil Nadu, India
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8
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Li Q, Wang P, Zou C, Ge F, Li F, Liu Y, Zhang D, Tian J. Dynamics of dominant rhizospheric microbial communities responsible for trichlorfon absorption and translocation in maize seedlings. JOURNAL OF HAZARDOUS MATERIALS 2023; 451:131096. [PMID: 36893602 DOI: 10.1016/j.jhazmat.2023.131096] [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: 12/30/2022] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 06/18/2023]
Abstract
In this study, the available phosphorus (AP) and TCF concentrations in soils and maize (Zea mays) seedling tissues were measured in response to escalating TCF concentrations during 216 hr of culture. Maize seedlings growth considerably enhanced soil TCF degradation, reaching the highest of 73.2% and 87.4% at 216 hr in 50 and 200 mg/kg TCF treatments, respectively, and increased AP contents in all the seedling tissues. Soil TCF was majorly accumulated in seedling roots, reaching maximum concentration of 0.017 and 0.076 mg/kg in TCF-50 and TCF-200, respectively. The hydrophilicity of TCF might hinder its translocation to the aboveground shoot and leaf. Using bacterial 16 S rRNA gene sequencing, we found that TCF addition drastically lessened bacterial community interactions and hindered the complexity of their biotic networks in rhizosphere than in bulk soils, leading to the homogeneity of bacterial communities that were resistant or prone to TCF biodegradation. Mantel test and redundancy analysis suggested a significant enrichment of dominant species Massilia belonging to Proteobacteria phyla, which in turn affecting TCF translocation and accumulation in maize seedling tissues. This study provided new insight into the biogeochemical fate of TCF in maize seedling and the responsible rhizobacterial community in soil TCF absorption and translocation.
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Affiliation(s)
- Qiqiang Li
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Peiying Wang
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Caihua Zou
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Fei Ge
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Feng Li
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Yun Liu
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China
| | - Dayi Zhang
- College of New Energy and Environment, Jilin University, Changchun 130021, China; Key Laboratory of Groundwater Resources and Environment Ministry of Education, Jilin University, Changchun 130021, China
| | - Jiang Tian
- Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan, China.
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Li Q, Xiao P, Shen D, Huang Y, Shi X, Li X, Liu Y. Level and risk assessment of selected polychlorinated biphenyls, polycyclic aromatic hydrocarbons, and organochlorine pesticides in walnut and soil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:14849-14859. [PMID: 36161556 DOI: 10.1007/s11356-022-23158-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 09/17/2022] [Indexed: 06/16/2023]
Abstract
It is unknown how hydrophobic organic contaminants (HOCs) are distributed and how they affect the environment in high-fat nuts and their planted soil. The profile of HOCs in walnut/soil system was investigated in this study. Polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), and organochlorine pesticides (OCPs) were found in walnuts at concentrations of 0.67, 127, and 116 μg/kg, respectively. The target hazard quotients (THQ) of 17 PCBs, 16 PAHs, and 21 OCPs from walnut consumption by human were 0.06, 0.01, and 0.11, respectively. The highest concentrations of HOC in the soil were found in Nap and toxaphene, with concentrations of 2580 and 902 μg/kg, respectively. Bioaccumulation factors (BAF) and biota-sediment accumulation factors (BSAF) in walnuts were ranged from <0.01 to 7.04 and <0.01 to 3.83, respectively. Concentrations of most individual HOCs in soil samples were significantly correlated with soil organic matter (SOM) (p < 0.01) and minerals (p < 0.01), with maximum correlation coefficients of 0.70 (OM-PCB81) and -0.84 (P-BaP). According to this study, high-fat walnuts do not have a high bioaccumulation of HOCs from soil, and the risk of consumption is within the safe range.
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Affiliation(s)
- Qingyang Li
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, 311400, People's Republic of China
| | - Pengfei Xiao
- JiYang College of Zhejiang A&F University, Zhuji, 311800, People's Republic of China
| | - Danyu Shen
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, 311400, People's Republic of China
| | - Yunmei Huang
- JiYang College of Zhejiang A&F University, Zhuji, 311800, People's Republic of China
| | - Xiang Shi
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, 311400, People's Republic of China
| | - Xianbin Li
- Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs, Beijing, 100125, People's Republic of China
| | - Yihua Liu
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Fuyang, 311400, People's Republic of China.
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10
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Bioremediation of Hazardous Wastes Using Green Synthesis of Nanoparticles. Processes (Basel) 2023. [DOI: 10.3390/pr11010141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Advanced agronomic methods, urbanisation, and industrial expansion contaminate air, water and soil, globally. Agricultural and industrial activities threaten living biota, causing biodiversity loss and serious diseases. Strategies such as bioremediation and physiochemical remediation have not been effectively beneficial at treating pollutants. Metal-based nanoparticles (NPs) such as copper, zinc, silver, gold, etc., in various nanoformulations and nanocomposites are used more and more as they effectively resist the uptake of toxic compounds via plants by facilitating their immobilisation. According to studies, bio-based NP synthesis is a recent and agroecologically friendly approach for remediating environmental waste, which is effective against carcinogens, heavy metal contamination, treating marine water polluted with excessive concentrations of phosphorus, nitrogen and harmful algae, and hazardous dye- and pesticide-contaminated water. Biogenic resources such as bacteria, fungi, algae and plants are extensively used for the biosynthesis of NPs, particularly metallic NPs. Strategies involving green synthesis of NPs are nontoxic and could be employed for commercial scale production. Here, the focus is on the green synthesis of NPs for reduction of hazardous wastes to help with the clean-up process.
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Rahman MM, Ahmed L, Anika F, Riya AA, Kali SK, Rauf A, Sharma R. Bioinorganic Nanoparticles for the Remediation of Environmental Pollution: Critical Appraisal and Potential Avenues. Bioinorg Chem Appl 2023; 2023:2409642. [PMID: 37077203 PMCID: PMC10110382 DOI: 10.1155/2023/2409642] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/21/2022] [Accepted: 03/27/2023] [Indexed: 04/21/2023] Open
Abstract
Nowadays, environmental pollution has become a critical issue for both developed and developing countries. Because of excessive industrialization, burning of fossil fuels, mining and exploration, extensive agricultural activities, and plastics, the environment is being contaminated rapidly through soil, air, and water. There are a variety of approaches for treating environmental toxins, but each has its own set of restrictions. As a result, various therapies are accessible, and approaches that are effective, long-lasting, less harmful, and have a superior outcome are extensively demanded. Modern research advances focus more on polymer-based nanoparticles, which are frequently used in drug design, drug delivery systems, environmental remediation, power storage, transformations, and other fields. Bioinorganic nanomaterials could be a better candidate to control contaminants in the environment. In this article, we focused on their synthesis, characterization, photocatalytic process, and contributions to environmental remediation against numerous ecological hazards. In this review article, we also tried to explore their recent advancements and futuristic contributions to control and prevent various pollutants in the environment.
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Affiliation(s)
- Md. Mominur Rahman
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Limon Ahmed
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Fazilatunnesa Anika
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Anha Akter Riya
- Department of Pharmacy, East-West University, Aftabnagar, Dhaka 1212, Bangladesh
| | - Sumaiya Khatun Kali
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Abdur Rauf
- Department of Chemistry, University of Swabi, Swabi, Anbar, KPK, Pakistan
| | - Rohit Sharma
- Department of Rasa Shastra and Bhaishajya Kalpana, Faculty of Ayurveda, Institute of Medical Sciences, Banaras Hindu University, Varanasi 221005, Uttar Pradesh, India
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12
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Li Z, Ai Z. Mapping Plant Bioaccumulation Potentials of Pesticides from Soil Using Satellite-Based Canopy Transpiration Rates. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:117-129. [PMID: 36349963 DOI: 10.1002/etc.5511] [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: 07/09/2022] [Revised: 09/14/2022] [Accepted: 10/19/2022] [Indexed: 06/16/2023]
Abstract
The transpiration rate is an important factor that determines the bioaccumulation potential of pesticides from soil and can present a spatiotemporal pattern. In the present study, we proposed a satellite-based approach to map the bioaccumulation potential of pesticides from soil using the Global Land Evaporation Amsterdam Model (GLEAM). In the proposed model, the spatiotemporal variable (i.e., plant transpiration rate) was separately analyzed from the plant- and chemical-specific variables. The simulated bioaccumulation factors (BAFs; steady-state concentration ratios between plants and soil) of atrazine and lindane for the United States indicated that the proposed model can better predict the spatiotemporal pattern of bioaccumulation potentials of pesticides from soil than a previous weather-based model. The proposed approach using GLEAM's satellite data avoids the overestimation of plant transpiration rate in regions with a dry and warm climate. The comparison of BAFs between the proposed and weather-based models indicated that the satellite-based simulation was consistent with the weather-based simulation for most states and was more effective for the southwest region. Furthermore, plant- and chemical-specific variables were simulated for over 700 pesticides, which could be multiplied by satellite-based canopy transpiration rates to map the bioaccumulation potentials of chemicals from soil. Further evaluation of plant-specific variables, partitioning behaviors of ionizable compounds, and multiple uptake routes (e.g., airborne residue deposition) will aid in the evaluation of the spatiotemporal patterns of pesticide BAFs in plants in future research. Environ Toxicol Chem 2023;42:117-129. © 2022 SETAC.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Zhipin Ai
- Center for Climate Change Adaptation, National Institute for Environmental Studies, Tsukuba-City, Ibaraki, Japan
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13
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Dhuldhaj UP, Singh R, Singh VK. Pesticide contamination in agro-ecosystems: toxicity, impacts, and bio-based management strategies. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:9243-9270. [PMID: 36456675 DOI: 10.1007/s11356-022-24381-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 11/19/2022] [Indexed: 06/17/2023]
Abstract
Continuous rise in application of pesticides in the agro-ecosystems in order to ensure food supply to the ever-growing population is of greater concern to the human health and the environment. Once entered into the agro-ecosystem, the fate and transport of pesticides is determined largely by the nature of pesticides and the soil attributes, in addition to the soil-inhabiting microbes, fauna, and flora. Changes in the soil microbiological actions, soil properties, and enzymatic activities resulting from pesticide applications are the important factors substantially affecting the soil productivity. Disturbances in the microbial community composition may lead to the considerable perturbations in cycling of major nutrients, metals, and subsequent uptake by plants. Indiscriminate applications are linked with the accumulation of pesticides in plant-based foods, feeds, and animal products. Furthermore, rapid increase in the application of pesticides having long half-life has also been reported to contaminate the nearby aquatic environments and accumulation in the plants, animals, and microbes surviving there. To circumvent the negative consequences of pesticide application, multitude of techniques falling in physical, chemical, and biological categories are presented by different investigators. In the present study, important findings pertaining to the pesticide contamination in cultivated agricultural soils; toxicity on soil microbes, plants, invertebrates, and vertebrates; effects on soil characteristics; and alleviation of toxicity by bio-based management approaches have been thoroughly reviewed. With the help of bibliometric analysis, thematic evolution and research trends on the bioremediation of pesticides in the agro-ecosystems have also been highlighted.
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Affiliation(s)
- Umesh Pravin Dhuldhaj
- School of Life Sciences, Swami Ramanand Teerth Marathwada University, Nanded, 431606, India
| | - Rishikesh Singh
- Department of Botany, Panjab University, Chandigarh, 160014, India
| | - Vipin Kumar Singh
- Department of Botany, K. S. Saket P. G. College, (Affiliated to Dr. Ram Manohar Lohia Avadh University), Ayodhya, 224123, India.
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14
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Yoon J, Lim D, Lee S, Kim J, Kim I. Uptake of Soil-Residual Diazinon by Rotational Lettuce under Greenhouse Conditions. Foods 2022; 11:foods11213510. [PMID: 36360122 PMCID: PMC9654464 DOI: 10.3390/foods11213510] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 11/01/2022] [Accepted: 11/02/2022] [Indexed: 11/06/2022] Open
Abstract
Pesticide residue is an increasing concern in rotational crop practices. The pesticide used for the primary crop may re-enter the secondary crop, thus exceeding pesticide levels set by the positive list system (PLS). As such, evaluation of pesticide residue translocated into rotational crops is required for ensuring pesticide safety. In this study, we investigated the residue pattern of diazinon translocated into lettuce as a typical rotational crop in Korea. Diazinon was used to treat greenhouse soil at the maximum annual application rate before crop planting. Diazinon residues in soil and lettuce were investigated using liquid chromatography/tandem mass spectroscopy and a modified quick, easy, cheap, effective, rugged, safe (QuEChERS) method. The limit of quantitation (LOQ) of diazinon was found as 0.005 mg/kg for the plant and soil samples. The recovery of diazinon at the LOQ and 10× the LOQ ranged from 100.2% to 108.7%. The matrix calibration curve showed linearity, with R2 values > 0.998. Diazinon residue in soil dissipated over time after the initial treatment, generating first-order kinetics (R2 = 0.9534) and having a half-life of about 22 days. The uptake ratio (UTR) of diazinon from the soil to the plant ranged from 0.002 to 0.026 over the harvest period. Considering the UTRs, diazinon residue in the edible leaf could exceed the PLS level (0.01 mg/kg) if lettuce is rotated in soil containing >0.357 mg/kg of diazinon. Based on our findings, to comply with the PLS, a 3-month plant-back interval is required following diazinon treatment and/or setting the maximum residue limit of diazinon for lettuce.
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Affiliation(s)
| | | | | | | | - Inseon Kim
- Correspondence: ; Tel.: +82-62-530-2131; Fax: +82-62-530-2139
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15
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Lee DY, Choi GH, Bae YS, Lee SW, Kim SK, Bae JY, Song AR, Moon BY, Megson D, Oh KY, Kim JH. Fate of endosulfan in ginseng farm and effect of granular biochar treatment on endosulfan accumulation in ginseng. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:3953-3965. [PMID: 34766236 DOI: 10.1007/s10653-021-01152-1] [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: 08/06/2021] [Accepted: 10/26/2021] [Indexed: 06/13/2023]
Abstract
Endosulfan was widely used as an insecticide in the agricultural sector before its environmental persistence was fully understood. Although its fate and transport in the environment have been studied, the effects of historic endosulfan residues in soil and its bioaccumulation in crops are not well understood. This knowledge gap was addressed by investigating the dissipation and bioaccumulation of endosulfan in ginseng as a perennial crop in fresh and aged endosulfan-contaminated fields. In addition, the effect of granular biochar (GBC) treatment on the bioaccumulation factor (BAF) of endosulfan residue in ginseng was assessed. The 50% dissipation time (DT50) of the total endosulfan was over 770 days in both the fresh and aged soils under mulching conditions. This was at least twofold greater than the reported (6- > 200 days) in arable soil. Among the endosulfan congeners, the main contributor to the soil residue was endosulfan sulfate, as observed from 150 days after treatment. The BAF for the 2-year-old ginseng was similar in the fresh (1.682-2.055) and aged (1.372-2.570) soils, whereas the BAF for the 3-year-old ginseng in the aged soil (1.087-1.137) was lower than that in the fresh soil (1.771-2.387). The treatment with 0.3 wt% GBC extended the DT50 of endosulfan in soil; however, this could successfully suppress endosulfan uptake, and reduced the BAFs by 66.5-67.7% in the freshly contaminated soil and 32.3-41.4% in the aged soil. Thus, this adsorbent treatment could be an effective, financially viable, and sustainable option to protect human health by reducing plant uptake of endosulfan from contaminated soils.
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Affiliation(s)
- Deuk-Yeong Lee
- Department of Agricultural Chemistry, Institutes of Agriculture and Life Science (IALS), Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Geun-Hyoung Choi
- Chemical Safety Division, National Institute of Agricultural Sciences, RDA, Wanju, 55365, Republic of Korea
| | - Young-Suk Bae
- Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA, Eumsung, 27709, Republic of Korea
| | - Sung-Woo Lee
- Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA, Eumsung, 27709, Republic of Korea
| | - Sang-Kuk Kim
- Department of Herbal Crop Research, National Institute of Horticultural and Herbal Science, RDA, Eumsung, 27709, Republic of Korea
| | - Ji-Yeon Bae
- Department of Agricultural Chemistry, Institutes of Agriculture and Life Science (IALS), Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - A-Reum Song
- Chemical Safety Division, National Institute of Agricultural Sciences, RDA, Wanju, 55365, Republic of Korea
| | - Bo-Yeon Moon
- Chemical Safety Division, National Institute of Agricultural Sciences, RDA, Wanju, 55365, Republic of Korea
| | - David Megson
- Ecology and Environment Research Centre, Manchester Metropolitan University, Manchester, M15GD, UK
| | - Kyeong-Yeol Oh
- Department of Agricultural Chemistry, Institutes of Agriculture and Life Science (IALS), Gyeongsang National University, Jinju, 52828, Republic of Korea
| | - Jin-Hyo Kim
- Department of Agricultural Chemistry, Institutes of Agriculture and Life Science (IALS), Gyeongsang National University, Jinju, 52828, Republic of Korea.
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16
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Han L, Xu M, Kong X, Liu X, Wang Q, Chen G, Xu K, Nie J. Deciphering the diversity, composition, function, and network complexity of the soil microbial community after repeated exposure to a fungicide boscalid. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 312:120060. [PMID: 36058318 DOI: 10.1016/j.envpol.2022.120060] [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: 05/06/2022] [Revised: 08/22/2022] [Accepted: 08/23/2022] [Indexed: 06/15/2023]
Abstract
Boscalid is a novel, highly effective carboximide fungicide that has been substantially and irrationally applied in greenhouses. However, little is known about the residual characteristics of boscalid and its ecological effects in long-term polluted greenhouse soils. Therefore, actual boscalid pollution status in greenhouse soils was simulated by repeatedly introducing boscalid into the soil under laboratory conditions. The degradation characteristics of boscalid, and its effects on the diversity, composition, function, and co-occurrence patterns of the soil microbial community were systematically investigated. Boscalid degraded slowly, with its degradation half-lives ranging from 31.5 days to 180.1 days in the soil. Boscalid degradation was further delayed by repeated treatment and increasing its initial concentration. Boscalid significantly decreased soil microbial diversity, particularly at the recommended dosage. Amplicon sequencing analysis showed that boscalid altered the soil microbial community and further stimulated the phylum Proteobacteria and four potential boscalid-degrading bacterial genera, Sphingomonas, Starkeya, Citrobacter, and Castellaniella. Although the network analysis revealed that boscalid significantly reduced the microbial network complexity, it enhanced the vital roles of Proteobacteria by increasing its proportion and strengthening the relationships among the internal bacteria in the network. The soil microbial function in the boscalid treatment were simulated at the recommended dosage and two-fold recommended dosage but showed an inhibition-recovery-stimulation trend at the five-fold recommended dosage with an increase in treatment frequency. Moreover, the expression of nitrogen cycling functional genes, nifH, AOA amoA, AOB amoA, nirK, and nirS in all boscalid treatments displayed an inhibition-recovery-stimulation trend during the entire experimental period, and the effects were more pronounced at the five-fold recommended dosage. In conclusion, repeated boscalid treatments delayed degradation, reduced soil microbial diversity and network complexity, disturbed soil microbial community, and interfered with soil microbial function.
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Affiliation(s)
- Lingxi Han
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China
| | - Min Xu
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China
| | - Xiabing Kong
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China
| | - Xiaoli Liu
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China
| | - Qianwen Wang
- Central Laboratory, Qingdao Agricultural University, Qingdao, 266109, China
| | - Guilan Chen
- Central Laboratory, Qingdao Agricultural University, Qingdao, 266109, China
| | - Kun Xu
- Central Laboratory, Qingdao Agricultural University, Qingdao, 266109, China
| | - Jiyun Nie
- College of Horticulture, Qingdao Agricultural University/Laboratory of Quality & Safety Risk Assessment for Fruit (Qingdao), Ministry of Agriculture and Rural Affairs/National Technology Centre for Whole Process Quality Control of FSEN Horticultural Products (Qingdao)/Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China.
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17
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Hwang JI, Kim JE. Uptake of endosulfan isomers from soils by leafy vegetable lettuce: A comparative study between model-predicted and field-experimented results. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 844:157056. [PMID: 35780874 DOI: 10.1016/j.scitotenv.2022.157056] [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: 05/12/2022] [Revised: 06/23/2022] [Accepted: 06/25/2022] [Indexed: 06/15/2023]
Abstract
The organochlorine insecticide endosulfan has been classified as a persistent organic pollutant due to its long persistence and high toxicity, and banned in most countries. However, endosulfan residues are still detected in various environmental sites (even in non-agricultural areas) and have a likelihood to return to agricultural soils through various routes. In this study, time-dependent uptake of α- and β-isomers of endosulfan by lettuce from soils was estimated using theoretical models which include parameters describing sorption/dissipation in soil and plants, plant transpiration, root-soil transfer, and plant growth. A chemical-specific residue (CSR) model developed in a previous study was used as a sub-model to estimate the portion of endosulfan residues in soils ready to be absorbed by lettuce, and the accuracy of the CSR model was verified by properly estimating concentrations of endosulfan isomers in soils with different organic matters; a low mean deviation (18.8 %) was observed between the modeled and measured values. Modeled results of β-endosulfan using a soil-lettuce uptake model satisfactorily matched the experimentally measured results, with a moderate correlation (R2 > 0.79) and a low residual error (0.42) against a mean factor of -1.04. However, the uptake model showed the low potential to predict the soil-lettuce uptake of α-endosulfan (176.3 % mean deviation), probably due to not considering an intrinsic trait of β-isomer converting to α-isomer. Although the improvement with more sophisticated parameters is needed, the plant uptake model developed in this study could be utilized to predict soil-lettuce uptake of at least β-endosulfan and as a model template that may apply for other types of plants and contaminants.
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Affiliation(s)
- Jeong-In Hwang
- Department of Crop, Soil, and Environmental Sciences, University of Arkansas, Fayetteville, AR 72701, USA
| | - Jang-Eok Kim
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu 41566, Republic of Korea.
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18
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Chormare R, Kumar MA. Environmental health and risk assessment metrics with special mention to biotransfer, bioaccumulation and biomagnification of environmental pollutants. CHEMOSPHERE 2022; 302:134836. [PMID: 35525441 DOI: 10.1016/j.chemosphere.2022.134836] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/13/2022] [Accepted: 04/30/2022] [Indexed: 06/14/2023]
Abstract
The environment pollutants, which are landed up in environment because of human activities like urbanization, mining and industrializations, affects human health, plants and animals. The living organisms present in environment are constantly affected by the toxic pollutants through direct contact or bioaccumulation of chemicals from the environment. The toxic and hazardous pollutants are easily transferred to different environmental matrices like land, air and water bodies such as surface and ground waters. This comprehensive review deeply discusses the routes and causes of different environmental pollutants along with their toxicity, impact, occurrences and fate in the environment. Environment health and risk assessment tools that are used to evaluate the harmfulness, exposure of living organisms to pollutants and the amount of pollutant accumulated are explained with help of bio-kinetic models. Biotransfer, toxicity factor, biomagnification and bioaccumulation of different pollutants in the air, water and marine ecosystems are critically addressed. Thus, the presented survey would be collection of correlations those addresses the factors involved in assessing the environmental health and risk impacts of distinct environmental pollutants.
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Affiliation(s)
- Rishikesh Chormare
- Process Design and Engineering Cell, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India; Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India
| | - Madhava Anil Kumar
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India; Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India.
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19
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Use of Biostimulants as a New Approach for the Improvement of Phytoremediation Performance—A Review. PLANTS 2022; 11:plants11151946. [PMID: 35893650 PMCID: PMC9332818 DOI: 10.3390/plants11151946] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/16/2022] [Accepted: 07/20/2022] [Indexed: 11/23/2022]
Abstract
Environmental pollution is one of the most pressing global issues, and it requires priority attention. Environmental remediation techniques have been developed over the years and can be applied to polluted sites, but they can have limited effectiveness and high energy consumption and costs. Bioremediation techniques, on the other hand, represent a promising alternative. Among them, phytoremediation is attracting particular attention, a green methodology that relies on the use of plant species to remediate contaminated sites or prevent the dispersion of xenobiotics into the environment. In this review, after a brief introduction focused on pollution and phytoremediation, the use of plant biostimulants (PBs) in the improvement of the remediation effectiveness is proposed. PBs are substances widely used in agriculture to raise crop production and resistance to various types of stress. Recent studies have also documented their ability to counteract the deleterious effects of pollutants on plants, thus increasing the phytoremediation efficiency of some species. The works published to date, reviewed and discussed in the present work, reveal promising prospects in the remediation of polluted environments, especially for heavy metals, when PBs derived from humic substances, protein and amino acid hydrolysate, inorganic salts, microbes, seaweed, plant extracts, and fungi are employed.
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20
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Li Z. Modeling plant uptake of organic contaminants by root vegetables: The role of diffusion, xylem, and phloem uptake routes. JOURNAL OF HAZARDOUS MATERIALS 2022; 434:128911. [PMID: 35460996 DOI: 10.1016/j.jhazmat.2022.128911] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 03/20/2022] [Accepted: 04/10/2022] [Indexed: 06/14/2023]
Abstract
The uptake of organic contaminants by root vegetables involves diffusion, transport by xylem and phloem saps, degradation, and volatilization. To understand the role of uptake and elimination routes in the bioconcentration modeling of organic contaminants, a two-compartment uptake model (root and leaf compartments) was proposed. The results showed that for the root compartment, logarithm values of bioconcentration factors (log BCF, the concentration ratio between plant tissues and soil) of chemicals fell within a narrow range when the logarithm of octanol-water partition coefficient (log KOW) was less than 3.0, whereas log BCF values decreased rapidly with increasing log KOW values when log KOW was greater than 3.0. This is because the diffusion route had a significant impact on the root uptake of chemicals, wherein the first-order rate constant dropped rapidly for high-lipophilicity chemicals, resulting in very low log BCF values. For the leaf compartment, chemicals with moderate lipophilicity (log KOW of 3.0-4.0) had the highest simulated log BCF values. This is because moderate log KOW values generated the highest transpiration stream concentration factors (TSCFs, the concentration ratio between xylem or phloem saps and water), resulting in high uptake efficiency of chemicals by leaves. Furthermore, we improved the uptake model by considering the surface-deposition route for pesticides (foliar spray), and the simulation results indicated that this uptake route cannot be neglected for lipophilic compounds. Although the simulations agreed with an experimental study and some reported data, future studies should focus on factors, such as plant physiology (plant varieties, periderm effects and compositions of xylem and phloem saps) and environmental conditions (soil properties and weather conditions), to improve the plant uptake model.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong 518107, China.
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21
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Li Z, Xiong J. Simulation modeling the effects of peels on pesticide removal from potatoes during household food processing. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:29841-29853. [PMID: 34997507 DOI: 10.1007/s11356-021-18298-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Accepted: 12/20/2021] [Indexed: 06/14/2023]
Abstract
The impact of crop peels on reducing pesticide residue levels in crops during household food processing was evaluated in this study. We proposed a series of pesticide fate models to simulate the removal efficiency of residues in crop peels and medullas (i.e., pulps) via soaking and washing. The simulated results indicated that the variation in the peel thickness had a significant impact on residue removal from the peel compartment. However, the peel compartment had a low impact on the removal efficiency of pesticide residues from the medulla compartment, as demonstrated by the simulated results from the non-peel model (i.e., already peeled crops). In addition, we observed that even though systemic pesticides have a higher potential to penetrate from the peel into the medulla, the increasing residue level caused by the mass transfer from the peel into the medulla is too low to cause human health damage, because the absolute mass of residues in the peel is considerably small. Based on the simulation results, we concluded that washing or soaking crops with or without peels using water is not effective in reducing residue levels in crop medullas. Modifying crops into slices, instead of directly washing or soaking crops, could significantly improve the removal efficiency of pesticide residues inside the medulla. The models proposed in this study can improve our understanding on the fate of pesticides in crops during household food processing.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China.
| | - Jie Xiong
- School of Public Health (Shenzhen), Sun Yat-Sen University, Shenzhen, 518107, Guangdong, China
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22
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Tang KHD, Kristanti RA. Bioremediation of perfluorochemicals: current state and the way forward. Bioprocess Biosyst Eng 2022; 45:1093-1109. [PMID: 35098376 DOI: 10.1007/s00449-022-02694-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/17/2022] [Indexed: 11/02/2022]
Abstract
Perfluorochemicals are widely found in the environment due to their versatile uses and persistent nature. Perfluorochemicals have also been detected in human and animals due to direct or indirect exposures, giving rise to health concerns. This review aims to examine the bioremediation of perfluorochemicals with plants, bacteria and fungi, including their efficiency and limitations. It also aims to propose the future prospects of bioremediation of perfluorochemicals. This review retrieved peer-reviewed journal articles published between 2010 and 2021 from journal databases consisting of Web of Science, Scopus and ScienceDirect. This review shows that multiple Pseudomonas species could degrade perfluorochemicals particularly perfluoroalkyl acids under aerobic condition. Acidimicrobium sp. degraded perfluoroalkyl acids anaerobically in the presence of electron donors. A mixed Pseudomonas culture was more effective than pure cultures. Multiple plants were found to bioconcentrate perfluorochemicals and many demonstrated the ability to hyperaccumulate perfluoroalkyl acids, particularly Festuca rubra, Salix nigra and Betula nigra. Fungal species, particularly Pseudeurotium sp. and Geomyces sp., have the potential to degrade perfluorooctanoic acid or perfluorooctane sulphonic acid. Perfluorochemicals bioremediation could be advanced with identification of more candidate species for bioremediation, optimization of bioremediation conditions, mixed culturing, experiments with environmental media and studies on the biochemical pathways of biotransformation. This review provides comprehensive insight into the efficiency of different bacterial, plant and fungal species in perfluorochemicals bioremediation under different conditions, their limitations and improvement.
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Affiliation(s)
- Kuok Ho Daniel Tang
- Environmental Science Program, Division of Science and Technology, Beijing Normal University-Hong Kong Baptist University United International College, 2000 Jintong Road, Tangjiawan, Zhuhai, 519087, GD, China.
| | - Risky Ayu Kristanti
- Research Center for Oceanography, National Research and Innovation Agency, Jakarta, 14430, Indonesia
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23
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Nanomaterials for Remediation of Environmental Pollutants. Bioinorg Chem Appl 2022; 2021:1764647. [PMID: 34992641 PMCID: PMC8727162 DOI: 10.1155/2021/1764647] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/11/2021] [Accepted: 12/14/2021] [Indexed: 12/18/2022] Open
Abstract
Today, environmental contamination is a big concern for both developing and developed countries. The primary sources of contamination of land, water, and air are extensive industrialization and intense agricultural activities. Various traditional methods are available for the treatment of different pollutants in the environment, but all have some limitations. Due to this, an alternative method is required which is effective and less toxic and provides better outcomes. Nanomaterials have attracted a lot of interest in terms of environmental remediation. Because of their huge surface area and related high reactivity, nanomaterials perform better in environmental clean-up than other conventional approaches. They can be modified for specific uses to provide novel features. Due to the large surface-area-to-volume ratio and the presence of a larger number of reactive sites, nanoscale materials can be extremely reactive. These characteristics allow for higher interaction with contaminants, leading to a quick reduction of contaminant concentration. In the present review, an overview of different nanomaterials that are potential in the remediation of environmental pollutants has been discussed.
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Li Z, Niu S. Improving screening model of pesticide risk assessment in surface soils: Addressing regional specific human exposure risks and regulatory management. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 227:112894. [PMID: 34653939 DOI: 10.1016/j.ecoenv.2021.112894] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 09/28/2021] [Accepted: 10/09/2021] [Indexed: 06/13/2023]
Abstract
In this study, a simple screening approach was proposed to evaluate region-specific population health risks of soil pesticides, which was achieved by introducing region-specific factors of pesticides, including fate factors (FFs), environmental distribution factors (DFs), and intake factors (IFs). These region-specific factors were characterized using simple weather variables and calculated the characterization factors (CFs) to link pesticide emissions to population exposure risks. The CF at the reference state indicates the potential of a pesticide entering the human body. Simulations for over 700 pesticides showed that pesticides that are thermodynamically stable in soil organics have large CFs. In addition, we conducted a case study on the region-specific risk assessment of malathion in the United States. The results indicated that colder regions have larger CFs of malathion than those of the warmer regions due to the large FF values for the same emission rates. However, from a regulatory perspective, colder regions should have less strict malathion soil standards than those of warmer regions as children in colder regions spend limited time outdoors. Although other region-specific factors such as soil type and population density need to be considered to improve the model, the approach proposed in this study can be used as a simple screening tool to evaluate region-specific population health risks and manage soil residues for different regions.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong 518107, China.
| | - Shan Niu
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT 84322, United States; Department of Civil & Environmental Engineering, University of Pittsburgh, Pittsburgh, PA 15260, United States
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Xiao S, Li Z, Fantke P. Improved plant bioconcentration modeling of pesticides: The role of periderm dynamics. PEST MANAGEMENT SCIENCE 2021; 77:5096-5108. [PMID: 34236751 PMCID: PMC8518939 DOI: 10.1002/ps.6549] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Accepted: 07/08/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND There is a continuous need to advance pesticide plant uptake models in support of improving pest control and reducing human exposure to pesticide residues. The periderm of harvested root and tuber crops may affect pesticide uptake, but is usually not considered in plant uptake models. To quantify the influence of the periderm on pesticide uptake from soil into potatoes, we propose a model that includes an explicit periderm compartment in the soil-plant mass balance for pesticides. RESULTS Our model shows that the potato periderm acts as an active barrier to the uptake of lipophilic pesticides with high KOW , while it lets more lipophobic pesticides accumulate in the medulla (pulp). We estimated bioconcentration factors (BCFs) for over 700 pesticides and proposed parameterizations for including the effects of the periderm into a full plant uptake modeling framework. A sensitivity analysis shows that both the degradation half-life inside the tuber and the lipophilicity drive the contributions of other aspects to the variability of BCFs, while highlighting distinct dynamics in the periderm and medulla compartments. Finally, we compare model estimates with measured data, showing that predictions agree with field observations for current-use pesticides and some legacy pesticides frequently found in potatoes. CONCLUSION Considering the periderm improves the accuracy of quantifying pesticide uptake and bioconcentration in potatoes as input for optimizing pest control and minimizing human exposure to pesticide residues in edible crops.
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Affiliation(s)
- Shenglan Xiao
- School of Public Health (Shenzhen)Sun Yat‐sen UniversityShenzhenChina
| | - Zijian Li
- School of Public Health (Shenzhen)Sun Yat‐sen UniversityShenzhenChina
| | - Peter Fantke
- Quantitative Sustainability Assessment, Department of Technology, Management and EconomicsTechnical University of DenmarkLyngbyDenmark
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Sarker A, Islam T, Rahman S, Nandi R, Kim JE. Uncertainty of pesticides in foodstuffs, associated environmental and health risks to humans-a critical case of Bangladesh with respect to global food policy. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:54448-54465. [PMID: 34417975 DOI: 10.1007/s11356-021-16042-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 08/14/2021] [Indexed: 06/13/2023]
Abstract
The uncertain fate and transport pathways of applied pesticides are the key hidden threats with respect to the safety and quality evaluation of foodstuffs in Bangladesh. The risk assessment of and uncertainty about applied pesticides are poorly explored due to weak regulatory systems, farmer ignorance, intensive agricultural practices, and lack of available research data on improper handling of pesticides on farming lands with poor phytosanitary management. However, increasing evidence suggests that the prevalence of pesticides in common foodstuffs is due to their uptake by crops and improper management of crop protection practices. Besides, the biotransformation of pesticides in common Bangladeshi food products is poorly understood. Several studies have reported higher concentrations of pesticides than allowed by European Union guidelines in Bangladeshi foodstuffs. However, to date, no systematic review with critical discussion on current research findings and knowledge gaps concerning fate, uncertainty, and health risks of pesticides in the foodstuffs of Bangladesh is published. Therefore, this review summarizes the findings of existing literature on pesticide residue in foodstuffs and points out the weaknesses in the regulatory system and risk assessments for highlighting the critical challenges to food safety in Bangladesh as compared to global food policy. In addition, strategies for the sustainable management of residual pesticides are also discussed.
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Affiliation(s)
- Aniruddha Sarker
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
- Department of Soil Science, EXIM Bank Agricultural University Bangladesh (EBAUB), Chapainawabganj, Bangladesh
| | - Tofazzal Islam
- Institute of Biotechnology and Genetic Engineering, Bangabandhu Sheikh Mujibur Rahman Agricultural University, Gazipur, Bangladesh
| | - Shahinoor Rahman
- Division of Agricultural Entomology, Georg-August-Universität, Göttingen, Germany
| | - Rakhi Nandi
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea
- Bangladesh Academy for Rural Development (BARD), Cumilla, Kotbari, Bangladesh
| | - Jang-Eok Kim
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, Republic of Korea.
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Organochlorine pesticide residues in plants and their possible ecotoxicological and agri food impacts. Sci Rep 2021; 11:17841. [PMID: 34497319 PMCID: PMC8426456 DOI: 10.1038/s41598-021-97286-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 08/24/2021] [Indexed: 11/08/2022] Open
Abstract
Scientific investigations on levels of Organochlorine Pesticide (OCP) residues in plants largely consider the edible parts (crops, vegetables, and fruit plants). Though the non-edible parts of plants are not eaten by human beings directly, these parts are consumed by livestock and other animals, thereby facilitating the flow of chemical residues through the food chain. The objective of the present investigation was to evaluate the concentration of OCP residues in non-edible plant parts to provide insights on their potential ecotoxicological impacts. Eighteen OCP residues were extracted in nine different plant species (banana Musa acuminate, brinjal Solanum melongena, Casuarina equisetifolia, Eucalyptus globulus, lotus Nelumbo nucifera, paddy Oryza sativa, sugarcane Saccharum officinarum, tapioca Manihot esculenta, tomato Lycopersicon esculentum) following QuEChERS method. The concentrations of OCP residues in plant extracts were determined using Gas Chromatography coupled with Mass Spectrometry (GC-MS). The OCP residues, namely: γ-HCH (lindane), heptachlor epoxide isomer, dieldrin, endrin, endrin aldehyde and endrin ketone were found predominantly in seven plant species. Residues of γ-HCH (lindane) were reported in different parts of plant species such as stem (581.14 ng/g in paddy and 585.82 ng/g in tapioca) and leaf (583.3 ng/g in tomato). Seven samples contained residues of heptachlor epoxide isomer (512.53 to 1173.8 ng/g). Dieldrin was found in paddy stem (489.97 ng/g), tapioca stem (490.21 ng/g) and tapioca leaf (490.32 ng/g). The detected OCPs in the present study were 10-50 times higher than the Maximum Residue Limits (MRL, 0.01-0.1 mg/Kg) as prescribed in the Codex Alimentarius of the FAO/WHO. Their elevated concentrations in the plant parts therefore pose risk of contamination to the consumers in the food chain, including human beings those are dependent on the animals as source of protein. The findings of this study are the first report on residue levels of OCPs in non-edible plant parts in the agricultural landscape of Puducherry region, India. Since, this study assumes significance for the strategic location of Oussudu Lake, an interstate lake spread over Puducherry and Tamil Nadu states, regular monitoring of OCP residues in different environmental segments in strategic locations in both the states is suggested, which will help the authorities in devising a comprehensive environmental management plan aiming at the ecosystem at large.
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Wu SC, Gao JK, Chang BS. Isolation of lindane- and endosulfan-degrading bacteria and dominance analysis in the microbial communities by culture-dependent and independent methods. Microbiol Res 2021; 251:126817. [PMID: 34303071 DOI: 10.1016/j.micres.2021.126817] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2021] [Revised: 06/23/2021] [Accepted: 07/09/2021] [Indexed: 10/20/2022]
Abstract
Bioremediation for lindane and endosulfan removal is a cost-effective approach, but its effectiveness depends on the ability to isolate degrading functionalized microorganisms. Researchers have isolated many lindane and endosulfan degrading bacteria from enrichment cultures based on culture-dependent methods during the past decades. However, it is unknown whether the isolated bacteria can reflect the indigenous predominant degraders in enriching cultures. In this study, we compared the culture-dependent method with selective medium isolation with culture-independent method (PacBio SMRT sequencing of full-length 16S rRNA amplicon) to analyze the bacterial communities from four distinct lindane (LA1 and LC1) and endosulfan (EA1 and EC1) enrichment cultures. From all the isolates we harvested from lindane (63 isolates) and endosulfan (61 isolates) enrichment cultures, their BLAST alignment can only match 5.49 % and 4.32 % of the bacterial operational taxonomic units (OTUs), respectively. Rhodanbacter lindaniclasticus and Pandoraea thiooxydans were the rarely seen potential degrading representatives that were simultaneously enriched and isolated. This study is the first comparative analysis of microbial communities from lindane and endosulfan enrichment culture using culture-dependent and culture-independent methods. Our results suggested that developing a target-specific and efficient microbial isolation method is necessary to harvest and study representative degrading bacteria in the community.
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Affiliation(s)
- Siang Chen Wu
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan.
| | - Jian-Kai Gao
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan
| | - Bo-Sheng Chang
- Department of Environmental Engineering, National Chung Hsing University, 145 Xingda Road, Taichung, 40227, Taiwan
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Feng X, Pan L, Jing J, Zhang J, Zhuang M, Zhang Y, Wang K, Zhang H. Dynamics and risk assessment of pesticides in cucumber through field experiments and model simulation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 773:145615. [PMID: 33582344 DOI: 10.1016/j.scitotenv.2021.145615] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/18/2021] [Accepted: 01/29/2021] [Indexed: 06/12/2023]
Abstract
Pesticides are often applied multiple times during cucumber cultivation in China. In order to obtain the residue concentrations and subsequently human health risk assessment after pesticide multiple applications, plenty of field trials have been conducted, consuming a lot of labor force and funds. The application of kinetic models can address this problem to some extent by predicting the residue values of pesticides in cucumber. In this study, a dynamic model (dynamiCROP) was applied in combination with field experiments to investigate the distribution, translocation, and dissipation after the one-time application of seven pesticides in a cucumber-soil environment. Moreover, the residue concentrations after the second and third applications of the seven pesticides were estimated through a "simple superposition method", i.e., superimposing the output results of dynamiCROP after each single pesticide application. The estimated residue concentrations show good agreement with that measured through field experiments with R2 = 0.865 and relative root mean squared error (RRMSE) = 13.2%. Meanwhile, the short- and long-term risks of each pesticide were assessed according to the concentrations estimated by the "simple superposition method" with the dynamiCROP model. It shows that the seven pesticides, applied multiple times during cucumber cultivation, pose a very low dietary risk to human health through cucumber intake. Our study presents a cost- and time-efficient way to investigate the dissipation of pesticides in the cucumber-soil environment, predicate the residue concentrations of pesticides after multiple applications and assess the dietary risk of pesticides to human health through cucumber intake.
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Affiliation(s)
- Xiaoxiao Feng
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China; College of Plant Protection, Hebei Agricultural University, Hebei 071000, PR China.
| | - Lixiang Pan
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Jing Jing
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Jingcheng Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Ming Zhuang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Yun Zhang
- Institute of Inorganic and Analytical Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128 Mainz, Germany.
| | - Kai Wang
- Key Laboratory of Plant-Soil Interactions of MOE, College of Resources and Environmental Sciences, National Academy of Agriculture Green Development, China Agricultural University, Beijing 100193, PR China.
| | - Hongyan Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing 100193, PR China.
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Guo Y, Li Z. A lognormal model for evaluating maximum residue levels of pesticides in crops. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 278:116832. [PMID: 33725536 DOI: 10.1016/j.envpol.2021.116832] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/19/2021] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
To evaluate pesticide regulatory standards in agricultural crops, we introduced a regulatory modeling framework that can flexibly evaluate a population's aggregate exposure risk via maximum residue levels (MRLs) under good agricultural practice (GAP). Based on the structure of the aggregate exposure model and the nature of variable distributions, we optimized the framework to achieve a simplified mathematical expression based on lognormal variables including the lognormal sum approximation and lognormal product theorem. The proposed model was validated using Monte Carlo simulation, which demonstrates a good match for both head and tail ends of the distribution (e.g., the maximum error = 2.01% at the 99th percentile). In comparison with the point estimate approach (i.e., theoretical maximum daily intake, TMDI), the proposed model produced higher simulated daily intake (SDI) values based on empirical and precautionary assumptions. For example, the values at the 75th percentile of the SDI distributions simulated from the European Union (EU) MRLs of 13 common pesticides in 12 common crops were equal to the estimated TMDI values, and the SDI values at the 99th percentile were over 1.6-times the corresponding TMDI values. Furthermore, the model was refined by incorporating the lognormal distributions of biometric variables (i.e., food intake rate, processing factor, and body weight) and varying the unit-to-unit variability factor (VF) of the pesticide residues in crops. This ensures that our proposed model is flexible across a broad spectrum of pesticide residues. Overall, our results show that the SDI is significantly reduced, which may better reflect reality. In addition, using a point estimate or lognormal PF distribution is effective as risk assessments typically focus on the upper end of the distribution.
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Affiliation(s)
- Yuan Guo
- School of Civil Engineering, Sun Yat-sen University, Guangdong, 510275, China
| | - Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangdong, 510275, China.
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Xiao S, Gong Y, Li Z, Fantke P. Improving Pesticide Uptake Modeling into Potatoes: Considering Tuber Growth Dynamics. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:3607-3616. [PMID: 33729792 DOI: 10.1021/acs.jafc.1c00151] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
To explore pesticide uptake from soil into a growing potato, a moving-boundary dynamic model is proposed on the basis of the radical diffusion process of a chemical to a sphere. This model, which considers the logistic growth of the potato tuber, describes two hypothetical processes of chemical diffusion within a growing tuber. The model was tested in an illustrative case study for an application of chlorpyrifos. Results indicate that the distribution of chlorpyrifos concentrations along the potato radius is significantly affected by the tuber development. In comparison of our results to results from a classic model using a fixed boundary, the proposed dynamic model yields a quick and big jump for both the average concentration and bioconcentration factor (BCF) of chlorpyrifos in the potato as a result of the sigmoid expansion boundary. Overall, the dynamic model predicts that chlorpyrifos BCFs in the potato at harvest are higher than those using the classical model. In comparison of model results to measured uptake of chlorpyrifos into potato at harvest, the dynamic model shows better performance than the classical model. Our results provide a new perspective on pesticide uptake into potatoes and inform human health risk assessment for pesticides applied at different tuber growth stages.
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Affiliation(s)
- Shenglan Xiao
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, Guangdong 510275, People's Republic of China
| | - Yishu Gong
- Department of Mathematics, Duke University, Durham, North Carolina 27708, United States
| | - Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou, Guangdong 510275, People's Republic of China
| | - Peter Fantke
- Quantitative Sustainability Assessment, Department of Technology, Management and Economics, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
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Rani L, Thapa K, Kanojia N, Sharma N, Singh S, Grewal AS, Srivastav AL, Kaushal J. An extensive review on the consequences of chemical pesticides on human health and environment. JOURNAL OF CLEANER PRODUCTION 2021. [PMID: 0 DOI: 10.1016/j.jclepro.2020.124657] [Citation(s) in RCA: 310] [Impact Index Per Article: 103.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
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Acosta-Dacal A, Rial-Berriel C, Díaz-Díaz R, Bernal-Suárez MDM, Luzardo OP. Optimization and validation of a QuEChERS-based method for the simultaneous environmental monitoring of 218 pesticide residues in clay loam soil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:142015. [PMID: 33207465 DOI: 10.1016/j.scitotenv.2020.142015] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 06/11/2023]
Abstract
A modified QuEChERS method was optimized, validated and verified for the extraction of 218 pesticide residues in agricultural soil samples. The 218 analytes are extracted using a single step, without clean-up, with matrix-matched calibration, and two complementary techniques: liquid and gas chromatography tandem triple quad mass spectrometry (LC-MS/MS and GC-MS/MS). Some of the parameters such as salts, acidity of the extraction solvent, sample moisture and some mechanical changes in the procedure were optimized to improve the overall performance for the target compounds and the soil matrix. The method was fully validated on a representative agricultural soil sample of the Canary Islands (clay loam soil) in terms of linearity, accuracy and precision. To avoid matrix effects, matrix-matched calibration curves (R2 ≥ 0.99) were used for all target analytes. 100% of the compounds can be quantified with limits of quantification (LOQ) lower than the limit typically used in soils (50 ng g-1), with 92% of compounds presenting a LOQ that is at least 10 times lower than that normally required. The limits of detection (LOD) ranged between 0.024 and 6.25 ng g-1. The validated method was applied to a series of actual samples of agricultural soil (n = 18). In addition, as a further verification of its potential, the results of the application of the method in the investigation of clay loam soil samples that were obtained from underneath wildlife carcasses in the context of an environmental forensic investigation are also presented.
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Affiliation(s)
- Andrea Acosta-Dacal
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, Paseo Blas Cabrera s/n, 35016 Las Palmas de Gran Canaria, Spain
| | - Cristian Rial-Berriel
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, Paseo Blas Cabrera s/n, 35016 Las Palmas de Gran Canaria, Spain
| | - Ricardo Díaz-Díaz
- Department of Environmental Analysis, Technological Institute of the Canary Islands, C/Los Cactus no 68 35118, Polígono Industrial de Arinaga, Agüimes, Las Palmas, Canary Islands, Spain
| | - María Del Mar Bernal-Suárez
- Department of Environmental Analysis, Technological Institute of the Canary Islands, C/Los Cactus no 68 35118, Polígono Industrial de Arinaga, Agüimes, Las Palmas, Canary Islands, Spain
| | - Octavio P Luzardo
- Toxicology Unit, Research Institute of Biomedical and Health Sciences (IUIBS), Universidad de Las Palmas de Gran Canaria, Paseo Blas Cabrera s/n, 35016 Las Palmas de Gran Canaria, Spain.
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Li Z. Spatiotemporal pattern models for bioaccumulation of pesticides in common herbaceous and woody plants. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 276:111334. [PMID: 32980611 DOI: 10.1016/j.jenvman.2020.111334] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 08/11/2020] [Accepted: 08/30/2020] [Indexed: 06/11/2023]
Abstract
Pesticides are widely used in agriculture, but they can bioaccumulate in plants, entering the food chain and potentially threaten human health. Thus, this study explored the spatiotemporal patterns of pesticide bioaccumulation in plants from soil using a spatiotemporal model. Air temperature (TAir) and relative humidity (RHAir) were selected as the principal spatiotemporal indicators to characterize the seasonal and geographical variation of the pesticide bioaccumulation factors (BAFs; i.e., the pesticide concentration ratio of plant to soil) of the leaves of common plants. The simulation results indicate that hot and dry climates typically increase the pesticide BAFs by enhancing the transpiration rate of plants. For example, the annual average BAF of alachlor was 5.75 in Arizona, while the BAFs in states with cold and humid weather, such as Maine, were below 2.00. Additionally, the monthly average BAF of alachlor during hot seasons can be double that of other seasons in the same region. For some pesticides, the simulated BAF intervals were consistent with those reported in the literature, whereas for others, the results were inconsistent. The major reasons for these inconsistencies include differences in the pesticide application scenarios, the distribution of pesticides in different compartments, and insufficient field data for some pesticides. We also applied the simulated BAFs of pesticide in plant leaves to address the seasonal and geographical health risks of herbivores, which could help regulate pesticide standards in ecological soils.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangdong, 510275, China.
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Wongmaneepratip W, Yang H. Investigating the migration of pyrethroid residues between mung bean sprouts and growth media. Food Chem 2020; 343:128480. [PMID: 33158676 DOI: 10.1016/j.foodchem.2020.128480] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Revised: 10/17/2020] [Accepted: 10/22/2020] [Indexed: 12/23/2022]
Abstract
To study the migration of pyrethroids (cypermethrin, deltamethrin, fenvalerate, and permethrin) from growth media (soil or water) to mung bean sprouts, pyrethroid residues were quantified using polystyrene-magnetic nanoparticles and HPLC-PDA. Pyrethroids reductions in growth media followed a double-exponential decline model (RMSE of 0.0068-0.1845), while the higher accumulation in the vegetable were observed in roots (0.50-6.75 mg/kg) than in sprouts (0.12-2.01 mg/kg). The accumulation was influenced by pyrethroid species, type of growth media, and plant parts. This study contributed a novel prediction method to assess the migration of pesticides from the growth media to the vegetable with the satisfactory sensitivity of the proposed detection method. The recoveries, detection limits (LOD), and quantification limits (LOQ) were 82.9-112.1%, 0.0627-0.1974 µg/L and 0.1892-0.6279 µg/L, respectively, for four pyrethroids. The research provided solid basis for future study of crops that can be used for bioconcentration of chemical hazards in environments.
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Affiliation(s)
- Wanwisa Wongmaneepratip
- Department of Food Science & Technology, National University of Singapore, Singapore 117542, Singapore
| | - Hongshun Yang
- Department of Food Science & Technology, National University of Singapore, Singapore 117542, Singapore; National University of Singapore (Suzhou) Research Institute, 377 Lin Quan Street, Suzhou Industrial Park, Suzhou, Jiangsu 215123, PR China.
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Li Z. Spatiotemporal pattern models for bioaccumulation of pesticides in herbivores: An approximation theory for North American white-tailed deer. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 737:140271. [PMID: 32783856 DOI: 10.1016/j.scitotenv.2020.140271] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Revised: 06/10/2020] [Accepted: 06/14/2020] [Indexed: 06/11/2023]
Abstract
Dietary exposure is a major cause of pesticide bioaccumulation in herbivores. However, various types of natural conditions affect the structure of the complicated herbivores' diets, making it difficult to assess their exposure to pesticides. In this study, to evaluate the role of pesticides in the terrestrial food web, a dynamic hybrid dietary model was developed for North American white-tailed deer (or whitetails), which integrates different plant types and the digestibility of deer's foods. Moreover, an equivalent season approach was introduced to generalize the pesticide intake rate geographically. The results indicate that the soil-to-whitetail (meat) bioaccumulation factor (BAF) values in summer are significantly higher than those of other seasonal periods, owing to the high food availability and digestibility. Pesticides with low octanol/water partition coefficients have a high computed soil-to-plant BAF, but a low plant-to-whitetail (meat) BAF, because the transpiration process dominates the bioaccumulation process in plants. Lipid absorption plays a more important role in herbivores and lowers the biomagnification ratio (a smaller amount of pesticides flows to the next level of the food chain). According to the equivalent season approach, geographic locations with warmer climates facilitate pesticide bioaccumulation at a higher level of the terrestrial food web.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangdong 510275, China.
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Li Z. A coupled ODE-diffusion modeling framework for removing organic contaminants in crops using a simple household method. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:115071. [PMID: 32599328 DOI: 10.1016/j.envpol.2020.115071] [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: 05/07/2020] [Revised: 06/17/2020] [Accepted: 06/18/2020] [Indexed: 06/11/2023]
Abstract
Organic contaminants are frequently detected in fresh crops and can cause severe damage to human health. To help control this risk, we introduce a diffusion-based model framework for estimating the removal efficiency for organic contaminants in fresh crops using a simple water soaking method. The framework was developed based on the diffusion coefficient of the organic contaminants, and its application indicates that the removal factor (RF) for organic contaminants has an inverse-exponential relationship with log Kow (Kow is the octanol-water partition coefficient), which thermodynamically restricts the removal efficiency for chemicals with large steady state log Kow. Additionally, the diffusion coefficient of the chemical in water affects the kinetic removal efficiency. For example, the RF simulated for glyphosate, which has a relatively high diffusion coefficient, is 0.592 (61.9% of the steady state RF) after soaking for 1 h, while the RF of lindane is 0.224, which is only 25.0% of the steady state RF. However, if a refreshing method is applied, the RF of lindane can be significantly improved even if more potatoes are used in the water bowl, and this has been demonstrated theoretically with the refreshing function. Model validation indicates that the macro properties of crops, e.g., the active area through which crop tissues interact with water, have a larger impact on the results than do the micro-properties of crops and the physiochemical properties of the organic contaminants. Comparison of our results with those of other studies shows that the simulated ranges for some pesticides compare well with experimental data collected using other household washing methods. However, for other pesticides such as HCB and DDT, the simulated results and current studies are inconsistent due to physical interactions between the water and crop tissues not considered in our model.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangdong, 510275, China.
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38
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39
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Hwang JI, Wilson PC, Kim JE. Accumulation characteristics of endosulfan soil residues in soybean and reduction in their phytoavailability by treatment with powdered activated carbon. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:21260-21272. [PMID: 32266632 DOI: 10.1007/s11356-020-08596-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
Powdered activated carbon (PAC) has been utilized for sorptive remediation of environmental sites contaminated with various organic chemicals. In the present study, time-dependent sorption/desorption characteristics of the α- and β-isomers and a sulfate-metabolite of endosulfan (ED) were investigated in PAC-amended soils to determine the optimal PAC amendment dosage. Subsequently, ED phytoavailability to soybean (Glycine max Merr.) plants were examined in the presence or absence of PAC under restricted laboratory conditions. Based on the results of sorption/desorption tests, the optimal dosage of PAC amendment for ED-contaminated soils was determined as 1% (w/w), and at this dosage, all ED residues were sorbed completely onto the PAC-amended soils without any desorption. In soil amended with 1% PAC, the extents of ED accumulated by soybean plants were reduced by 89.4-100.0% within 20 days compared to those extents observed in unamended controls. Moreover, PAC treatment precluded the formation of the toxic metabolite ED-sulfate in either the soil or soybean plants. Therefore, PAC amendment in ED-contaminated soils could be highly effective for limiting uptake of ED into plants from contaminated soil and may be useful as an alternative method to produce safe food resources from contaminated arable soils.
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Affiliation(s)
- Jeong-In Hwang
- Soil and Water Sciences Department, University of Florida, Gainesville, FL, 32611, USA
| | | | - Jang-Eok Kim
- School of Applied Biosciences, College of Agriculture and Life Sciences, Kyungpook National University, Daegu, 41566, South Korea.
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40
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Md Meftaul I, Venkateswarlu K, Dharmarajan R, Annamalai P, Megharaj M. Pesticides in the urban environment: A potential threat that knocks at the door. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 711:134612. [PMID: 31810707 DOI: 10.1016/j.scitotenv.2019.134612] [Citation(s) in RCA: 153] [Impact Index Per Article: 38.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 09/17/2019] [Accepted: 09/21/2019] [Indexed: 05/26/2023]
Abstract
Pesticides play a pivotal role in controlling pests and disease infestations not only in urban agriculture but also in non-agricultural settings. Several pesticides like herbicides, insecticides, fungicides, rodenticides, etc. are applied unintentionally at higher concentrations even in small urban areas such as lawns, gardens and impermeable surfaces. Consequent to their indiscriminate use, both extensively and intensively, in the urban areas, contamination of pesticides poses a serious threat to the environment, living organisms and food safety. Although the fate and ecological effects of pesticides and their residues have been thoroughly understood in agricultural soils, information available in the literature on the impact of these contaminants in the urban environment is very limited and fragmentary. In fact, the fate and behaviour of pesticide residues in the urban environment are distinct from those in other ecosystems since the soils in urban areas greatly vary in their physico-chemical properties. Development of sustainable and eco-friendly approaches for remediation of even urban soils contaminated with pesticides is therefore greatly warranted. Thus, the present critical review is the first single source that provides updated knowledge on the sources, nature and extent of pesticide pollution in the urban environment, and the ecological and human health effects of pesticides and their residues. The potential of nano-encapsulation of pesticides for their application in urban settings has also been discussed.
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Affiliation(s)
- Islam Md Meftaul
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia; Department of Agricultural Chemistry, Sher-e-Bangla Agricultural University, Dhaka 1207, Bangladesh
| | - Kadiyala Venkateswarlu
- Formerly Department of Microbiology, Sri Krishnadevaraya University, Anantapuramu 515003, India
| | - Rajarathnam Dharmarajan
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Prasath Annamalai
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia
| | - Mallavarapu Megharaj
- Global Centre for Environmental Remediation (GCER), Faculty of Science, The University of Newcastle, Callaghan, NSW 2308, Australia; Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE), The University of Newcastle, Callaghan, NSW 2308, Australia.
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41
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Feng X, Pan L, Xu T, Jing J, Zhang H. Dynamic modeling of famoxadone and oxathiapiprolin residue on cucumber and Chinese cabbage based on tomato and lettuce archetypes. JOURNAL OF HAZARDOUS MATERIALS 2019; 375:70-77. [PMID: 31048137 DOI: 10.1016/j.jhazmat.2019.04.075] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2018] [Revised: 04/21/2019] [Accepted: 04/22/2019] [Indexed: 06/09/2023]
Abstract
We analyzed the uptake and distribution of two pesticides (famoxadone and oxathiapiprolin) in herbaceous vegetables (cucumber and tomato) and leafy vegetables (Chinese cabbage and lettuce) to test the viability of applying existing archetypes in the dynamic plant uptake model dynamiCROP to modeling pesticide residue in other crops. Using field data and modeling, we showed that tomato was an unsuitable match for cucumber (R2 of 0.5325-0.6862) though lettuce was a good fit for Chinese cabbage (R2 of 0.8649-0.8862). We then used our cucumber data to add this as a new crop species archetype in dynamiCROP; further tests proved the accuracy of this approach (R2 of 0.8097-0.9152). In addition, we analyzed the distribution, uptake, and translocation of the two pesticides in cucumber and Chinese cabbage, using the model to better understand the mechanisms of pesticide residues over time and evaluate potential human exposure to pesticide residues from consumption of these crops. The fractions of famoxadone and oxathiapiprolin eventually ingested by humans based on our field trials ranged from 10-4 to 10-3 kg intake kg applied-1; that is, per kilogram of pesticide applied, humans would eventually consume less than one gram.
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Affiliation(s)
- Xiaoxiao Feng
- College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Lixiang Pan
- College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Tianheng Xu
- College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Jing Jing
- College of Science, China Agricultural University, Beijing 100193, PR China.
| | - Hongyan Zhang
- College of Science, China Agricultural University, Beijing 100193, PR China.
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42
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Hu L, Zhou T, Luo D, Feng J, Tao Y, Zhou Y, Mei S. Bioaccumulation of tetrabromobisphenol A in a laboratory-based fish-water system based on selective magnetic molecularly imprinted solid-phase extraction. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:1356-1362. [PMID: 30308822 DOI: 10.1016/j.scitotenv.2018.09.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 09/01/2018] [Accepted: 09/01/2018] [Indexed: 06/08/2023]
Abstract
Recently, magnetic solid-phase extraction (MSPE) using magnetic molecularly imprinted polymers (MMIPs), which is a simple process with excellent selectivity, has attracted much attention for the determination of environmental pollutants. In this study, MMIPs were used as an adsorbent to establish a selective MSPE method coupled with high-performance liquid chromatography using ultraviolet detection (HPLC-UV) for the determination of tetrabromobisphenol A (TBBPA) levels in water and fish samples. The samples were collected from a laboratory-based fish-water system after 0, 2, 5, 8, 11, 20, 30, and 50 days. We found that the concentrations of TBBPA in the sample group spiked with TBBPA decreased in the water samples over time and increased in the fish samples from 2 to 30 days, then finally decreased. The calculated bioconcentration factor (BCF) increased over time, reaching 33.98 L/kg after 50 days exposure to TBBPA. Linear and exponential kinetic models were applied to fit the correlation between BCF and exposure time, and the constant of the time-dependent BCF (Ku) ranged from 0.0364 to 1.5250 L/kg per day with a corresponding R2 of 0.6786 to 0.9985. Simplified mathematical models to evaluate the transfer characteristics of TBBPA in a laboratory-based fish-water system have been developed.
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Affiliation(s)
- Liqin Hu
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Tingting Zhou
- Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China
| | - Dan Luo
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Jingwen Feng
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Yun Tao
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China
| | - Yusun Zhou
- Department of Clinical Laboratory, The Affiliated Hospital of Qingdao University, Qingdao, Shandong 266003, China
| | - Surong Mei
- State Key Laboratory of Environment Health (Incubation), Key Laboratory of Environment and Health, Ministry of Education, Key Laboratory of Environment and Health (Wuhan), Ministry of Environmental Protection, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, #13 Hangkong Road, Wuhan, Hubei 430030, China.
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