1
|
Naderi N, Ganjali F, Eivazzadeh-Keihan R, Maleki A, Sillanpää M. Applications of hollow nanostructures in water treatment considering organic, inorganic, and bacterial pollutants. J Environ Manage 2024; 356:120670. [PMID: 38531142 DOI: 10.1016/j.jenvman.2024.120670] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 03/03/2024] [Accepted: 03/12/2024] [Indexed: 03/28/2024]
Abstract
One of the major issues of modern society is water contamination with different organic, inorganic, and contaminants bacteria. Finding cost-effective and efficient materials and methods for water treatment and environment remediation is among the scientists' most important considerations. Hollow-structured nanomaterials, including hollow fiber membranes, hollow spheres, hollow nanoboxes, etc., have shown an exciting capability for wastewater refinement approaches, including membrane technology, adsorption, and photocatalytic procedure due to their extremely high specific surface area, high porosity, unique morphology, and low density. Diverse hollow nanostructures could potentially eliminate organic contaminants, including dyes, antibiotics, oil/water emulsions, pesticides, and other phenolic compounds, inorganic pollutants, such as heavy metal ions, salts, phosphate, bromate, and other ions, and bacteria contaminations. Here, a comprehensive overview of hollow nanostructures' fabrication and modification, water contaminant classification, and recent studies in the water treatment field using hollow-structured nanomaterials with a comparative attitude have been provided, indicating the privilege abd detriments of this class of nanomaterials. Eventually, the future outlook of employing hollow nanomaterials in water refinery systems and the upcoming challenges arising in scaling up are also propounded.
Collapse
Affiliation(s)
- Nooshin Naderi
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Fatemeh Ganjali
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran
| | - Reza Eivazzadeh-Keihan
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
| | - Ali Maleki
- Catalysts and Organic Synthesis Research Laboratory, Department of Chemistry, Iran University of Science and Technology, Tehran, 16846-13114, Iran.
| | - Mika Sillanpää
- Department of Chemical Engineering, School of Mining, Metallurgy and Chemical Engineering, University of Johannesburg, P. O. Box 17011, Doornfontein, 2028, South Africa; International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, 173212, Himachal Pradesh, India; Department of Biological and Chemical Engineering, Aarhus University, Nørrebrogade 44, 8000, Aarhus C, Denmark; Department of Civil Engineering, University Centre for Research & Development, Chandigarh University, Gharuan, Mohali, Punjab, India.
| |
Collapse
|
2
|
Zhao H, Wang S, Sun J, Lu C, Tang Y. A new theoretical investigation on ·OH initiated oxidation of acephate in the environment: mechanism, kinetics, and toxicity. Environ Sci Process Impacts 2022; 24:1912-1922. [PMID: 36156666 DOI: 10.1039/d2em00254j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Acephate (O,S-dimethyl acetylphosphoramidothioate) is a typical organophosphorus pesticide used widely in agriculture. It can be released into the atmosphere and water during production and application. In this work, mechanisms in the ·OH initiated degradation of acephate were investigated using quantum chemical methods. Results show that addition, substitution and H-abstraction mechanisms can take place, with the latter being dominant. Moreover, the subsequent reactions of dominant products with O2 and NO in the atmosphere were considered, as well. The rate constant in the atmosphere and aqueous phase was calculated by transition state theory (TST) with the Wigner tunneling contribution. The total rate constant in the atmosphere and aqueous phase is 7.86 × 10-10 and 1.83 × 10-12 cm3 per molecule per s, respectively, the latter being in accordance with the available experimental value of 1.50 × 10-12 cm3 per molecule per s. Moreover, the ecotoxicity of acephate and degradation products was assessed in fish, daphnia, green algae and rats.
Collapse
Affiliation(s)
- Hui Zhao
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Fushun Road 11, Qingdao, Shandong, 266033, PR China.
| | - Shuangjun Wang
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Fushun Road 11, Qingdao, Shandong, 266033, PR China.
| | - Jingyu Sun
- College of Chemistry and Environmental Engineering, Hubei Normal University, Cihu Road 11, Huangshi, Hubei, 435002, PR China
| | - Chenggang Lu
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Fushun Road 11, Qingdao, Shandong, 266033, PR China.
| | - Yizhen Tang
- School of Environmental and Municipal Engineering, Qingdao University of Technology, Fushun Road 11, Qingdao, Shandong, 266033, PR China.
| |
Collapse
|
3
|
Harmon O'Driscoll J, Siggins A, Healy MG, McGinley J, Mellander PE, Morrison L, Ryan PC. A risk ranking of pesticides in Irish drinking water considering chronic health effects. Sci Total Environ 2022; 829:154532. [PMID: 35302029 DOI: 10.1016/j.scitotenv.2022.154532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 02/21/2022] [Accepted: 03/08/2022] [Indexed: 06/14/2023]
Abstract
This paper presents a novel scoring system which facilitates a relative ranking of pesticide risk to human health arising from contaminated drinking water. This method was developed to identify risky pesticides to better inform monitoring programmes and risk assessments. Potential risk was assessed considering pesticide use, chronic human health effects and environmental fate. Site-specific soil conditions, such as soil erodibility, hydrologic group, soil depth, clay, sand, silt, and organic carbon content of soil, were incorporated to demonstrate how pesticide fate can be influenced by the areas in which they are used. The indices of quantity of use, consequence and likelihood of exposure, hazard score and quantity-weighted hazard score were used to describe the level of concern that should be attributed to a pesticide. Metabolite toxicity and persistence were also considered in a separate scoring to highlight the contribution metabolites make to overall pesticide risk. This study presents two sets of results for 63 pesticides in an Irish case study, (1) risk scores calculated for the parent compounds only and (2) a combined pesticide-metabolite risk score. In both cases the results are assessed for two locations with differing soil and hydrological properties. The method developed in this paper can be adapted by pesticide users to assess and compare pesticide risk at site level using pesticide hazard scores. Farm advisors, water quality monitors, and catchment managers can apply this method to screen pesticides for human health risk at a regional or national level.
Collapse
Affiliation(s)
- J Harmon O'Driscoll
- Discipline of Civil, Structural and Environmental Engineering, School of Engineering, University College Cork, Cork, Ireland
| | - A Siggins
- Civil Engineering and Ryan Institute, National University of Ireland Galway, Galway, Ireland; Teagasc Environmental Research Centre, Johnstown Castle, Co. Wexford, Ireland
| | - M G Healy
- Civil Engineering and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - J McGinley
- Civil Engineering and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - P-E Mellander
- Teagasc Environmental Research Centre, Johnstown Castle, Co. Wexford, Ireland
| | - L Morrison
- Earth and Ocean Sciences, School of Natural Sciences and Ryan Institute, National University of Ireland Galway, Galway, Ireland
| | - P C Ryan
- Discipline of Civil, Structural and Environmental Engineering, School of Engineering, University College Cork, Cork, Ireland; Environmental Research Institute, University College Cork, Cork, T23 XE10, Ireland.
| |
Collapse
|
4
|
Montuori P, De Rosa E, Di Duca F, De Simone B, Scippa S, Russo I, Sorrentino M, Sarnacchiaro P, Triassi M. Occurrence, Distribution, and Risk Assessment of Organophosphorus Pesticides in the Aquatic Environment of the Sele River Estuary, Southern Italy. Toxics 2022; 10:toxics10070377. [PMID: 35878282 PMCID: PMC9322807 DOI: 10.3390/toxics10070377] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 06/30/2022] [Accepted: 07/05/2022] [Indexed: 02/05/2023]
Abstract
The intensive use of organophosphorus pesticides (OPPs) causes concern among authorities in different countries, as many of them, remaining unchanged for a long time, pose a threat to environmental sustainability. This study assessed the spatio-temporal trends of nine OPPs in the water dissolved phase (WDP), suspended particulate matter (SPM), and sediment samples from the Sele River estuary, Southern Italy. Samples were collected in 10 sampling sites during four seasons. The highest levels were found at the mouth (mean value 28.25 ng L−1 as WDP + SPM) and then decreased moving southwards to the Mediterranean Sea. Moreover, highest concentrations were detected in the warm season (July) with a mean value of 27.52 ng L−1. The load contribution to the Mediterranean Sea was evaluated in about 61.5 kg year−1, showing that the river was an important source of OPPs through discharge into the sea. The risk assessment revealed that no high-risk indices for the general-case scenario were observed, but for the worst-case scenario, potential risks were associated with chlorpyrifos, pyrimifos-methyl, and parathion, suggesting that OPP contamination should not be neglected. This study makes up the first record of OPPs in the surface waters of the Sele River and provides helpful data as a starting point for future studies.
Collapse
Affiliation(s)
- Paolo Montuori
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
- Correspondence:
| | - Elvira De Rosa
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| | - Fabiana Di Duca
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| | - Bruna De Simone
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| | - Stefano Scippa
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| | - Immacolata Russo
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| | - Michele Sorrentino
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| | - Pasquale Sarnacchiaro
- Department of Law and Economics, University “Federico II″, Via Cinthia 26, 80126 Naples, Italy;
| | - Maria Triassi
- Department of Public Health, University “Federico II″, Via Sergio Pansini 5, 80131 Naples, Italy; (E.D.R.); (F.D.D.); (B.D.S.); (S.S.); (I.R.); (M.S.); (M.T.)
| |
Collapse
|
5
|
Timmers PHA, Slootweg T, Knezev A, van der Schans M, Zandvliet L, Reus A, Vughs D, Heijnen L, Knol T, El Majjaoui J, van der Wielen P, Stuyfzand PJ, Lekkerkerker-Teunissen K. Improved drinking water quality after adding advanced oxidation for organic micropollutant removal to pretreatment of river water undergoing dune infiltration near The Hague, Netherlands. J Hazard Mater 2022; 429:128346. [PMID: 35236037 DOI: 10.1016/j.jhazmat.2022.128346] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 01/20/2022] [Accepted: 01/21/2022] [Indexed: 06/14/2023]
Affiliation(s)
- Peer H A Timmers
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands.
| | - T Slootweg
- The Water Laboratory N.V., J.W. Lucasweg 2, 2031 BE Haarlem, the Netherlands
| | - A Knezev
- The Water Laboratory N.V., J.W. Lucasweg 2, 2031 BE Haarlem, the Netherlands
| | - M van der Schans
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands
| | - L Zandvliet
- The Water Laboratory N.V., J.W. Lucasweg 2, 2031 BE Haarlem, the Netherlands
| | - A Reus
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands
| | - D Vughs
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands
| | - L Heijnen
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands
| | - T Knol
- Dunea, Utility for drinking water and nature conservancy, Plein van de Verenigde Naties 11-15, 2719 EG Zoetermeer, the Netherlands
| | - J El Majjaoui
- Dunea, Utility for drinking water and nature conservancy, Plein van de Verenigde Naties 11-15, 2719 EG Zoetermeer, the Netherlands
| | - P van der Wielen
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands; Laboratory of Microbiology, Wageningen University, the Netherlands
| | - P J Stuyfzand
- KWR Water Research Institute, Groningenhaven 7, 3433 PE Nieuwegein, the Netherlands; Stuyfzand Hydroconsult+, Brederodestraat 138, 2042BL Zandvoort, the Netherlands
| | - K Lekkerkerker-Teunissen
- Dunea, Utility for drinking water and nature conservancy, Plein van de Verenigde Naties 11-15, 2719 EG Zoetermeer, the Netherlands
| |
Collapse
|
6
|
Zou K, Zhou X, Wang W, Shi L, Fu X. The association between polymorphisms in miRNA and the cholinesterase activity of workers in an omethoate-exposed environment. Int J Environ Health Res 2022; 32:1020-1029. [PMID: 32962420 DOI: 10.1080/09603123.2020.1820453] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2020] [Accepted: 09/02/2020] [Indexed: 06/11/2023]
Abstract
To explore the association between polymorphisms in microRNAs (miRNAs) and the cholinesterase (ChE) activity in omethoate-exposed workers, we recruited 180 omethoate-exposed workers and 115 controls to measure their ChE activity using acetylcholine and dithio-bis-(nitrobenzoic acid) and genotype susceptible SNPs in their miRNA by time-of-flight mass spectrometry. ChE activity in the exposure group was lower than that in the control group (P < 0.001). The analysis of covariance result showed that ChE activity was lower in the (- -/- T) genotype in miR-30a rs111456995 (1.97 ± 0.47) than in the TT genotype (2.23 ± 0.59) of the exposure group (P = 0.004). Multivariate linear regression was performed to find influencing factors on ChE activity, and variables kept in the model included omethoate exposure (b = -1.094, P < 0.001), gender (b = -0.381, P < 0.001), miR-30a rs111456995 (- -/- T)(b = -0.248, P < 0.001), and drinking (b = 0.258, P =0.019). The results suggest that individuals carrying a (- -/- T) genotype in miR-30a rs111456995 were more susceptible to damage in their cholinesterase induced by omethoate exposure.
Collapse
Affiliation(s)
- Kaili Zou
- College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoshan Zhou
- College of Public Health, Zhengzhou University, Zhengzhou, China
- The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou, China
| | - Wei Wang
- College of Public Health, Zhengzhou University, Zhengzhou, China
- The Key Laboratory of Nanomedicine and Health Inspection of Zhengzhou, Zhengzhou, China
| | - Liuhua Shi
- Gangarosa Department of Environmental Health, Rollins School of Public Health, Emory University, Atlanta, USA
| | - Xiaoli Fu
- College of Public Health, Zhengzhou University, Zhengzhou, China
| |
Collapse
|
7
|
Pedroso TMA, Benvindo-Souza M, de Araújo Nascimento F, Woch J, Dos Reis FG, de Melo E Silva D. Cancer and occupational exposure to pesticides: a bibliometric study of the past 10 years. Environ Sci Pollut Res Int 2022; 29:17464-17475. [PMID: 34668133 PMCID: PMC8525621 DOI: 10.1007/s11356-021-17031-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 10/11/2021] [Indexed: 04/16/2023]
Abstract
Occupational exposure to pesticides has been identified as a major trigger of the development of cancer. Pesticides can cause intoxication in the individuals who manipulate them through either inhalation, ingestion, or dermal contact. Given this, we investigated the association between the incidence of cancer and occupational exposure to pesticides through a bibliometric analysis of the studies published between 2011 and 2020, based on 62 papers selected from the Scopus database. The results indicated an exponential increase in the number of studies published over the past decade, with most of the research being conducted in the USA, France, India, and Brazil, although a further 17 nations were also involved in the research on the association between cancer and pesticides. The principal classes of pesticides investigated in relation to their role in intoxication and cancer were insecticides, herbicides, and fungicides. The types of cancer reported most frequently were multiple myeloma, bladder cancer, non-Hodgkin's lymphoma, prostate cancer, leukemia, and breast cancer. Despite the known association between pesticides and cancer, studies are still relatively scarce in comparison with the global scale of the use of these xenobiotic substances, which is related to the increasing demand for agricultural products throughout the world.
Collapse
Affiliation(s)
- Thays Millena Alves Pedroso
- Graduate Program in Genetics and Molecular Biology, Institute of Biological Sciences, Mutagenesis Laboratory, Federal University of Goias, CEP, Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goias, 74690-900, Brazil
| | - Marcelino Benvindo-Souza
- Graduate School, Graduate Program in Environmental Sciences, Federal University of Goias, Goiânia, Goias, Brazil
| | - Felipe de Araújo Nascimento
- Graduate Program in Genetics and Molecular Biology, Institute of Biological Sciences, Mutagenesis Laboratory, Federal University of Goias, CEP, Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goias, 74690-900, Brazil
| | - Júlia Woch
- Graduate Program in Genetics and Molecular Biology, Institute of Biological Sciences, Mutagenesis Laboratory, Federal University of Goias, CEP, Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goias, 74690-900, Brazil
| | - Fabiana Gonçalves Dos Reis
- Graduate Program in Genetics and Molecular Biology, Institute of Biological Sciences, Mutagenesis Laboratory, Federal University of Goias, CEP, Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goias, 74690-900, Brazil
| | - Daniela de Melo E Silva
- Graduate Program in Genetics and Molecular Biology, Institute of Biological Sciences, Mutagenesis Laboratory, Federal University of Goias, CEP, Avenida Esperança, s/n, Campus Samambaia, Goiânia, Goias, 74690-900, Brazil.
- Graduate School, Graduate Program in Environmental Sciences, Federal University of Goias, Goiânia, Goias, Brazil.
| |
Collapse
|
8
|
Cunha ILC, Vieira JGV, Kulay L. A Multi-Criteria Decision-Making Approach to Evaluate Different UVC/H2O2 Systems in Wastewater Treatment. Processes (Basel) 2021; 9:2252. [DOI: 10.3390/pr9122252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
High azoxystrobin (AZO), difenoconazole (DFZ), and imidacloprid (IMD) pesticide removal rates in sixteen bench-scale experiments concerning tomato washing water treatment were obtained through a UVC/H2O2 advanced oxidative process. Experimental conditions ([H2O2]0) and irradiance (EUVC) were optimized for higher degradation rates (pseudo-first-order reaction). To consider both economic aspects and environmental impacts when defining the treatment technology, as well as technological requirements, this study applied a multi-criteria decision-making method (MCDM) to assess and differentiate similar UVC/H2O2 process configurations. This allowed for the identification of the cheapest experimental arrangement with the lowest associated environmental impacts, coupled to the highest degradation rate (kIMD). After consulting experts to determine the importance of the applied criteria and measuring alternative performances, experiment E7 ([H2O2]0 = 43.5 mg L−1; EUVC = 15.0 W m−2; kIMD = 0.236 s−1) was determined as meeting the three criteria in a balanced manner. Although E7′s technological performance regarding degradation rate did not achieve the best individual result, it presented the lowest impacts and costs among the analyzed series, although alternatives are sensitive to decision-maker priorities. This study considered different factors of a process displaying potential industrial applications still in the design stage to achieve a more efficient and balanced solution.
Collapse
|
9
|
Mencia Torrico R, Micó Reche MDM, Cruz Alcalde A, Romero Olarte RV, Antezana Fernández H, Álvarez Caero MM, Sans Mazón C. Application of solar-based oxidation to the management of empty pesticide container rinse water in Bolivia. Open Res Eur 2021; 1:70. [PMID: 37645171 PMCID: PMC10445800 DOI: 10.12688/openreseurope.13555.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/04/2021] [Indexed: 08/31/2023]
Abstract
Background: The management of empty pesticide containers (EPC) in Bolivia has been recently promoted as a control strategy for dispersed pollution in surface and underground water bodies, as well as in soil. It comprises the rinsing and proper disposal or reuse of clean EPC. However, the rinsing transfers the hazard to water, which must be properly treated before being discharged. Methods: In this study, solar photo-Fenton at low Fe 2+ doses were tested at pilot plant scale in Cochabamba (Bolivia) for the removal of pesticides dimethoate and atrazine in their commercial form, spiked in river water. Results: The results demonstrated that solar photo-Fenton ([H 2O 2] 0 = 200 mg L -1) with Fe 2+ concentrations between 0.5 and 1.5 mg L -1 is an effective method to remove dimethoate and atrazine, at an initial concentration of 10 mg L -1 each. Efficiency increased when increasing Fe 2+ doses, achieving a removal over 99% of both pesticides after a solar irradiation period of 60 minutes (corresponding to an accumulated energy of 4.96 kJ L -1). Conclusions: The presence of high concentrations of natural components of river water, mainly organic and inorganic carbon species, would have contributed to hydroxyl radical scavenging, explaining, together with the low iron dose applied, the high energy (irradiation time) and high hydrogen peroxide concentration required to produce pesticide depletion. Additionally, the relatively low oxidant consumption and mineralization observed leave room for process optimization regarding oxidant and catalyst doses and warrant further studies on its coupling with biological or other post-treatments for the removal of transformation products.
Collapse
Affiliation(s)
- Raquel Mencia Torrico
- Water and Environmental Sanitation Center, C.A.S.A.-FCyT, Universidad Mayor de San Simón (UMSS), C/Sucre y parque La Torre, Cochabamba, 5783, Bolivia
| | - María del Mar Micó Reche
- Chemical Engineering and Analytical Chemistry, University of Barcelona, C/Martí i Franquès 1, Barcelona, 08028, Spain
| | - Alberto Cruz Alcalde
- Chemical Engineering and Analytical Chemistry, University of Barcelona, C/Martí i Franquès 1, Barcelona, 08028, Spain
| | | | - Henry Antezana Fernández
- Water and Environmental Sanitation Center, C.A.S.A.-FCyT, Universidad Mayor de San Simón (UMSS), C/Sucre y parque La Torre, Cochabamba, 5783, Bolivia
| | - María Mercedes Álvarez Caero
- Water and Environmental Sanitation Center, C.A.S.A.-FCyT, Universidad Mayor de San Simón (UMSS), C/Sucre y parque La Torre, Cochabamba, 5783, Bolivia
| | - Carmen Sans Mazón
- Chemical Engineering and Analytical Chemistry, University of Barcelona, C/Martí i Franquès 1, Barcelona, 08028, Spain
| |
Collapse
|
10
|
Sharma A, Shukla A, Attri K, Kumar M, Kumar P, Suttee A, Singh G, Barnwal RP, Singla N. Global trends in pesticides: A looming threat and viable alternatives. Ecotoxicol Environ Saf 2020; 201:110812. [PMID: 32512419 DOI: 10.1016/j.ecoenv.2020.110812] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 05/19/2020] [Accepted: 05/24/2020] [Indexed: 06/11/2023]
Abstract
Pesticides are widely used chemical compounds in agriculture to destroy insects, pests and weeds. In modern era, they form an indispensable part of agricultural and health practices. Globally, nearly 3 billion kg of pesticides are used every year with a budget of ~40 billion USD. This extensive usage has increased the crop yield as well as led to significant reduction in harvest losses and thereby, enhanced food availability. On the other hand, indiscriminate usage of these chemicals has led to several environmental implications and caused adverse effects on human health. Epidemiological evidences have revealed the harmful effects of pesticides exposure on various organs including liver, brain, lungs and colon. Recent investigations have shown that pesticides can also lead to fatal consequences such as cancer among individuals. These chemicals enter ecosystem, thus hampering the sensitive environmental equilibrium through bio-accumulation. Due to their non-biodegradable nature, they can persist in nature for years and are regarded as potent biohazard. Worldwide, very few surveillance methods have been considered, which can bring awareness among the individuals, therefore the present review is an attempt to delineate consequences induced by various types of pesticide exposure on the environment. Further, the prospective of biopesticides use could facilitate the increase of crop production without compromising human health.
Collapse
Affiliation(s)
- Akanksha Sharma
- Department of Biophysics, Panjab University, Chandigarh, 160014, India; UIPS, Panjab University, Chandigarh, 160014, India
| | - Ananya Shukla
- Department of Biophysics, Panjab University, Chandigarh, 160014, India; Department of Biochemistry, Panjab University, Chandigarh, 160014, India
| | - Kriti Attri
- Department of Biophysics, Panjab University, Chandigarh, 160014, India; Biological Sciences, Indian Institute of Science Education and Research, Mohali, 140306, India
| | - Megha Kumar
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad, 500007, India
| | - Puneet Kumar
- Department of Pharmacology, Central University of Punjab, Bathinda, 151001, India
| | - Ashish Suttee
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, 144411, India
| | - Gurpal Singh
- UIPS, Panjab University, Chandigarh, 160014, India
| | | | - Neha Singla
- Department of Biophysics, Panjab University, Chandigarh, 160014, India.
| |
Collapse
|
11
|
Zhigang X, Lishuang W, Yirui Z, Yanwen W, Saleh AS, Minpeng Z, Yuzhe G, Caihong X, Hassan ME, Qingyu Y, Yumin D. Synthesis and characterization of a novel rice bran protein-cerium complex for the removal of organophosphorus pesticide residues from wastewater. Food Chem 2020; 320:126604. [DOI: 10.1016/j.foodchem.2020.126604] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/09/2020] [Accepted: 03/11/2020] [Indexed: 12/18/2022]
|
12
|
Pochiraju SS, Linden K, Gu AZ, Rosenblum J. Development of a separation framework for effects-based targeted and non-targeted toxicological screening of water and wastewater. Water Res 2020; 170:115289. [PMID: 31785562 DOI: 10.1016/j.watres.2019.115289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 11/04/2019] [Accepted: 11/05/2019] [Indexed: 05/25/2023]
Abstract
An environmental water sample fractionation framework was developed based on effects-directed analysis (EDA) to detect known and unknown compounds of concern in different waters. Secondary effluent from a wastewater treatment plant was used to demonstrate the effectiveness of the developed framework for characterizing estrogenic compounds in the effluent. The effluent was spiked with known estrogenic compounds to validate the framework in a targeted approach and an unspiked sample was also investigated in a non-targeted approach. The framework separated compounds based on polarity and adsorption using liquid-liquid extraction followed by solid phase extraction. The targeted and non-targeted effluents generated six fractions each, which were assessed for estrogenic activity using an in vitro bioassay (yeast estrogen screen - YES). Three out of the six fractions in each case, along with the raw effluent, showed estrogen equivalent concentrations (EEQs) ranging between 1.0 and 3.0 μg/L. Directed by the assay results, these estrogenic fractions were further analyzed using liquid- and gas-chromatography coupled with mass spectrometry for compound identification. The developed separation framework coupled with a bioassay aided in identification of both known and unknown compounds producing estrogenic effects in the water sample. The approach of fractionation followed by concentration helped isolate and elevate contaminant levels without necessarily concentrating potential matrix effects that could cause interfering cytotoxicity and inhibition in the bioassay. The targeted analysis showed consistency between predicted and observed results, while the non-targeted analysis revealed the presence of three estrogenic compounds in the unspiked effluent: di-isobutyl phthalate, diethyl phthalate and benzophenone, that were confirmed with standards. The study mainly aimed at development and validation of a simple yet effective EDA framework with low cost techniques for water and wastewater toxicity screening and evaluation, and the results suggested that the developed framework could be used as a screening tool for isolating and identifying unknown compounds in a complex water sample.
Collapse
Affiliation(s)
- Susheera S Pochiraju
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO, 80309, USA
| | - Karl Linden
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO, 80309, USA
| | - April Z Gu
- Civil and Environmental Engineering, Cornell University, Ithaca, NY, 14850, USA
| | - James Rosenblum
- Department of Civil, Environmental, and Architectural Engineering, University of Colorado, Boulder, CO, 80309, USA; Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO, 80401, USA.
| |
Collapse
|
13
|
Li W, Zhao Y, Yan X, Duan J, Saint CP, Beecham S. Transformation pathway and toxicity assessment of malathion in aqueous solution during UV photolysis and photocatalysis. Chemosphere 2019; 234:204-214. [PMID: 31220654 DOI: 10.1016/j.chemosphere.2019.06.058] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 06/02/2019] [Accepted: 06/08/2019] [Indexed: 06/09/2023]
Abstract
In drinking water treatment, complete mineralization of organophosphorus pesticides (OPPs) by UV-based advanced oxidation processes (UV AOPs) is rarely achieved. The formation of intermediate oxidation byproducts would likely have some profound effects on toxicity of the reaction solutions. This study investigated the intermediate oxidation byproducts, transformation pathway and toxicity of malathion solutions during the treatment processes of UV alone, UV/H2O2, UV/TiO2 and UV/Fenton. The main intermediate oxidation byproducts were derived using ultra-performance liquid chromatography - electrospray - time-of-flight mass spectrometry. Thereby the transformation pathway for each of these treatment processes was proposed. The results indicate that in UV photolysis, the transformation pathway of malathion proceeded initially via cleavage of the phosphorus-sulfur bonds while in photocatalysis, the desulfurization from a PS bond to a PO bond was the primary degradation pathway. Interestingly, only in the UV/TiO2 process a small fraction of malathion was found decomposed via a demethylation reaction. At the same time, a toxicity assessment of the treated solutions was conducted by both luminescence inhibition of Vibrio fischeri and inhibition of acetylcholinesterase (AChE). It was found that after UV AOP treatment, the toxicity of the malathion aqueous solution increased sharply. In contrast, no increase in toxicity was observed for the malathion aqueous solution after UV alone treatment. This study demonstrates that the high removal efficiency achieved by OPPs does not imply that detoxification of the water solution has been achieved. On the contrary, the toxicity of the treated solutions by OPPs may be increased significantly depending on the selected treatment processes.
Collapse
Affiliation(s)
- Wei Li
- Key Laboratory of Northwest Water Resources, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an, 710055, China; Natural and Built Environments Research Centre, University of South Australia, Mawson Lakes Campus, SA, 5095, Australia.
| | - Yao Zhao
- Key Laboratory of Northwest Water Resources, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an, 710055, China
| | - Xiaoqing Yan
- Key Laboratory of Northwest Water Resources, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, 13 Yanta Road, Xi'an, 710055, China
| | - Jinming Duan
- Natural and Built Environments Research Centre, University of South Australia, Mawson Lakes Campus, SA, 5095, Australia.
| | - Christopher P Saint
- Natural and Built Environments Research Centre, University of South Australia, Mawson Lakes Campus, SA, 5095, Australia
| | - Simon Beecham
- Natural and Built Environments Research Centre, University of South Australia, Mawson Lakes Campus, SA, 5095, Australia
| |
Collapse
|
14
|
Midik Ertosun F, Cellat K, Eren O, Gül Ş, Kuşvuran E, Şen F. Comparison of nanoscale zero-valent iron, fenton, and photo-fenton processes for degradation of pesticide 2,4-dichlorophenoxyacetic acid in aqueous solution. SN Appl Sci 2019. [DOI: 10.1007/s42452-019-1554-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
|
15
|
Jiang B, Zhang N, Xing Y, Lian L, Chen Y, Zhang D, Li G, Sun G, Song Y. Microbial degradation of organophosphorus pesticides: novel degraders, kinetics, functional genes, and genotoxicity assessment. Environ Sci Pollut Res Int 2019; 26:21668-21681. [PMID: 31129897 DOI: 10.1007/s11356-019-05135-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Accepted: 04/08/2019] [Indexed: 06/09/2023]
Abstract
Farmland soil sprayed with organophosphorus pesticides (OPs) annually was investigated for the identification and characterization of OP-degrading microorganisms. Six bacterial strains were identified, including Brevundimonas faecalis MA-B12 and Alcaligenes faecalis subsp. parafaecalis MA-B13 for methamidophos degradation, Citrobacter freundii TF-B21 and Ochrobactrum intermedium TF-B23 for trichlorfon degradation, Ochrobactrum intermedium DV-B31 for dichlorvos degradation, and Bacillus cereus for dimethoate degradation. The optimal biodegradation conditions for OPs were obtained at pH 7.0 and incubation temperature ranging from 28 to 37 °C. In an 8-day batch test, biodegradation of the four OPs all followed first-order kinetics, with biodegradation rates ranging from 58.08 to 96.42%. Functional genes responsible for OPs degradation were obtained, including ophB, ampA, opdE, opd, opdA, and mpd. As these strains were indigenous strains isolated from farmland soils, they can be potentially used as bacterial consortium for the bioremediation of mixed OP-contaminated soils. A time-course genotoxicity assessment of the degradation products was done by a bacterial whole-cell bioreporter, revealing that biodegradation of trichlorfon, dichlorvos, and dimethoate resulted a decreased genotoxicity within 5 days, which, however, significantly increased on day 8. The result demonstrated that more toxic products may be produced during the biodegradation processes of OPs, and more attention should be put not only on the pesticides themselves, but also on the toxic effects of their degradation products. To the best of our knowledge, this is for the first time that the genotoxicity of OP degradation products was evaluated by the bioreporter assay, broadening our understanding on the genotoxic risks of OPs during biodegradation process. Graphical Abstract.
Collapse
Affiliation(s)
- Bo Jiang
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Nana Zhang
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Yi Xing
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China.
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China.
| | - Luning Lian
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Yating Chen
- School of Energy and Environmental Engineering, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
- Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Dayi Zhang
- School of Environment, Tsinghua University, Beijing, 100084, People's Republic of China
- State Key Laboratory of Environmental Simulation and Pollution Control, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Guanghe Li
- School of Environment, Tsinghua University, Beijing, 100084, People's Republic of China
- State Key Laboratory of Environmental Simulation and Pollution Control, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Guangdong Sun
- School of Environment, Tsinghua University, Beijing, 100084, People's Republic of China
- State Key Laboratory of Environmental Simulation and Pollution Control, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Yizhi Song
- Department of Engineering Science, University of Oxford, Oxford, OX1 3PJ, UK
| |
Collapse
|
16
|
Zhang W, Gao Y, Qin Y, Wang M, Wu J, Li G, An T. Photochemical degradation kinetics and mechanism of short-chain chlorinated paraffins in aqueous solution: A case of 1-chlorodecane. Environ Pollut 2019; 247:362-370. [PMID: 30690232 DOI: 10.1016/j.envpol.2019.01.065] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2018] [Revised: 12/14/2018] [Accepted: 01/16/2019] [Indexed: 06/09/2023]
Abstract
Short chain chlorinated paraffins (SCCPs) have attracted worldwide attention in recent years, due to their high production volume, persistent, bioaccumulative and toxic properties. In this study, 1-chlorodecane (CD) was selected as a model of SCCPs to explore its photochemical degradation behavior under UV irradiation. The results found that CD could be completely photochemical degradation within 120 min, and the •OH was found to be the main reactive species from both quenching experiments and electron paramagnetic resonance (EPR) results. However, the contribution of triple excited state of CD (3CD*) was still nonnegligible from the results with the absorption peak at 480 nm obtained by laser flash photolysis. Based on the identified intermediates as well as the data from theoretical chemical calculation, the detailed photochemical degradation mechanism of CD was tentatively proposed that CD firstly was excited and photo-ionized under UV irradiation, and the released Cl• in water could result in generating •OH. Then •OH initiates CD degradation mainly through the H-abstraction pathway, leading to the generation of several dehydrogenation radicals, which further generated alcohols or long chain intermediates through radical-radical reactions. The results will provide a comprehensive understanding of the degradation mechanism and environmental fates of SCCPs in water under UV irradiation.
Collapse
Affiliation(s)
- Wanlan Zhang
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yanpeng Gao
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yaxin Qin
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Mei Wang
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Junji Wu
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Guiying Li
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China
| | - Taicheng An
- Guangzhou Key Laboratory Environmental Catalysis and Pollution Control, Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou, 510006, China.
| |
Collapse
|
17
|
Utzig LM, Lima RM, Gomes MF, Ramsdorf WA, Martins LRR, Liz MV, Freitas AM. Ecotoxicity response of chlorpyrifos in Aedes aegypti larvae and Lactuca sativa seeds after UV/H 2O 2 and UVC oxidation. Ecotoxicol Environ Saf 2019; 169:449-456. [PMID: 30471582 DOI: 10.1016/j.ecoenv.2018.11.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Revised: 10/31/2018] [Accepted: 11/01/2018] [Indexed: 06/09/2023]
Abstract
Chlorpyrifos (CP) is an organophosphate pesticide widely used in agriculture known to cause neurological and immunological effects in addition to interfering in the reproduction and development of organisms. In this study, CP degradation by UV/H2O2 process and UVC radiation was investigated, and the ecotoxicity and phytotoxicity was evaluated using bioassays of Aedes aegypti larvae and Lactuca sativa seeds. CP degradation was monitored by HPLC-DAD, and kinetic parameters were calculated for all processes evaluated. Results demonstrated that both processes are efficient, showing a reduction of over 97% of initial CP after 20 and 60 min of UV/H2O2 and UVC radiation, respectively. However, samples treated by UV/H2O2 process demonstrated increase of toxicity, leading to larvae mortality (>90% of organisms) and inhibition effects in seed root growth. The relationship between increased toxicity and the CP byproducts formed was not confirmed due to its low concentration. However, the direct influence of acetonitrile solvent, specifically their toxic byproducts, was observed. This study provides insights into parent compound abatement using oxidative treatment and the changes in toxicity due to the transformation of CP byproducts and complex mixtures (acetonitrile as solvent and hydrogen peroxide).
Collapse
Affiliation(s)
| | - Rubia M Lima
- Federal University of Technology - Paraná, Brazil
| | | | | | | | - Marcus V Liz
- Federal University of Technology - Paraná, Brazil
| | | |
Collapse
|
18
|
Mekonnen TF, Panne U, Koch M. New Photodegradation Products of the Fungicide Fluopyram: Structural Elucidation and Mechanism Identification. Molecules 2018; 23:E2940. [PMID: 30423852 DOI: 10.3390/molecules23112940] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2018] [Revised: 10/30/2018] [Accepted: 11/09/2018] [Indexed: 01/06/2023] Open
Abstract
Identifying the fate of agrochemicals is important to understand their potential risk for living organisms. We report here new photodegradation products (PPs) of the fungicide fluopyram. The PPs were produced by irradiating a fluopyram standard in 0.1% acetonitrile aqueous media by a 150-W medium pressure Hg-lamp that emits wavelengths between 200⁻280 nm. The structural elucidation of PPs was achieved by combining the retention time, isotopic pattern, targeted fragmentation, and accurate mass measurements using liquid chromatography-tandem mass spectrometry (LC-MS/MS) and high resolution-MS (HRMS). In addition to previously known PPs, seven new PPs of fluopyram were identified in this work: mainly dihydroxyl and hydroxylimide fluopyram as well as mono, di, and trihydroxyl lactam. Additionally, two PPs were found to be formed by rearrangement after the loss of H₂C=CH₂. Hence, the results of the work contribute to extending the current knowledge regarding the photoinduced fate of agrochemicals, and fluopyram in particular.
Collapse
|
19
|
Ding M, Yang Y, Duan X, Wang S, Feng X, Wang T, Wang P, Liu S, Li L, Liu J, Tang L, Niu X, Zhang Y, Li G, Yao W, Cui L, Wang W. Association of genetic polymorphisms of telomere binding proteins with cholinesterase activity in omethoate-exposed workers. Ecotoxicol Environ Saf 2018; 161:563-568. [PMID: 29929132 DOI: 10.1016/j.ecoenv.2018.06.036] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 06/01/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Omethoate, an organophosphorous pesticide, can cause a variety of health effects, especially the decrease of cholinesterase activity. The aim of this study is to explore the association of genetic polymorphisms of telomere binding proteins with cholinesterase activity in omethoate-exposed population. Cholinesterase activities in whole blood, red blood cell and plasma were detected using acetylthiocholine and dithio-bis-(nitrobenzoic acid) method; Genetic Genotyping of POT1 rs1034794, POT1 rs10250202, TERF1 rs3863242 and TERT rs2736098 were performed with PCR-RFLP. The cholinesterase activities of whole blood, red blood cells and plasma in exposure group are significantly lower than that of the control group (P < 0.001). Multivariate analysis indicates that exposure group (b = - 1.016, P < 0.001), agender (b = 0.365, P < 0.001), drinking (b = 0.271, P = 0.004) and TERF1rs3863242 (b = - 0.368, P = 0.016) had an impact on cholinesterase activities. The results suggest that individual carrying AG+GG genotypes in TERF1 gene rs3863242 polymorphism were susceptible to damage in cholinesterase induced by omethoate.
Collapse
Affiliation(s)
- Mingcui Ding
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Yongli Yang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Xiaoran Duan
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Sihua Wang
- Department of Occupational Health, Henan Institute for Occupational Medicine, Zhengzhou, China
| | - Xiaolei Feng
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Tuanwei Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Pengpeng Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Suxiang Liu
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Lei Li
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Junling Liu
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Lixia Tang
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Xinhua Niu
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Yuhong Zhang
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Guoyu Li
- Department of Zhengzhou Institute of Occupational Health, Zhengzhou, China
| | - Wu Yao
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Liuxin Cui
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China
| | - Wei Wang
- Department of Occupational and Environmental Health, College of Public Health, Zhengzhou University, Zhengzhou, China.
| |
Collapse
|
20
|
Abstract
Chemical oxidants have been applied in water treatment for more than a century, first as disinfectants and later to abate inorganic and organic contaminants. The challenge of oxidative abatement of organic micropollutants is the formation of transformation products with unknown (eco)toxicological consequences. Four aspects need to be considered for oxidative micropollutant abatement: (i) Reaction kinetics, controlling the efficiency of the process, (ii) mechanisms of transformation product formation, (iii) extent of formation of disinfection byproducts from the matrix, (iv) oxidation induced biological effects, resulting from transformation products and/or disinfection byproducts. It is impossible to test all the thousands of organic micropollutants in the urban water cycle experimentally to assess potential adverse outcomes of an oxidation. Rather, we need multidisciplinary and automated knowledge-based systems, which couple predictions of kinetics, transformation and disinfection byproducts and their toxicological consequences to assess the overall benefits of oxidation processes. A wide range of oxidation processes has been developed in the last decades with a recent focus on novel electricity-driven oxidation processes. To evaluate these processes, they have to be compared to established benchmark ozone- and UV-based oxidation processes by considering the energy demands, economics, the feasibilty, and the integration into future water treatment systems.
Collapse
Affiliation(s)
- Urs von Gunten
- Eawag , Swiss Federal Institute of Aquatic Science and Technology , Ueberlandstrasse 133 , 8600 Duebendorf , Switzerland
- School of Architecture, Civil and Environmental Engineering (ENAC) , École Polytechnique Fédérale de Lausanne (EPFL) , 1015 , Lausanne , Switzerland
- Institute of Biogeochemistry and Pollutant Dynamics , ETH Zurich , 8092 Zurich , Switzerland
| |
Collapse
|
21
|
Niwano Y, Tada M, Tsukada M. Antimicrobial Intervention by Photoirradiation of Grape Pomace Extracts via Hydroxyl Radical Generation. Front Physiol 2017; 8:728. [PMID: 28983258 PMCID: PMC5613144 DOI: 10.3389/fphys.2017.00728] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2017] [Accepted: 09/07/2017] [Indexed: 11/30/2022] Open
Abstract
The annual production of grape worldwide amounts to almost 70 million tons, and around 80% is used for winemaking. The two major wastes from winemaking process, pomace and lees account for 20 and 7% of the grapes, respectively. They have been expected as a valuable resource to be recycled because they are rich in polyphenols. Polyphenols possess prooxidatve activity as well as antioxidative one just like a two sides of a coin. A typical example of the prooxidative activity is antibacterial activity of catechins. The activity is exerted through oxidation of phenolic hydroxyl moiety coulpled with reduction of dissolved oxygen leading to hydrogen peroxide (H2O2) generation. In addition, once the oxidation of phenolic hydroxyl moiety is augmented by photoirradiation, highly reactive hydroxyl radical (·OH) is generated. Accordingly, there have been several reports showing that photoirardiation of polyphenols exerts bactericidal activity via ·OH generation. This review focuses mainly on antimicrobial intervention by photoirradiation of grape pomace extract in relation to ·OH generation analyzed by an electron spin resonance-spin trapping method.
Collapse
Affiliation(s)
- Yoshimi Niwano
- Graduate School of Dentistry, Tohoku UniversitySendai, Japan
| | - Mika Tada
- Center for General Education, Tohoku Institute of TechnologySendai, Japan
| | | |
Collapse
|