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Deng K, Guo H, Li X, Li T, Di T, Ma R, Lei D, Zhang Y, Wang J, Kong W. Two swords combination: Smartphone-assisted ratiometric fluorescent and paper sensors for dual-mode detection of glyphosate in edible malt. Food Chem 2024; 454:139744. [PMID: 38797096 DOI: 10.1016/j.foodchem.2024.139744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 05/11/2024] [Accepted: 05/17/2024] [Indexed: 05/29/2024]
Abstract
The long-term and excessive use of glyphosate (GLY) in diverse matrices has caused serious hazard to the human and environment. However, the ultrasensitive detection of GLY still remains challenging. In this study, the smartphone-assisted dual-signal mode ratiometric fluorescent and paper sensors based on the red-emissive gold nanoclusters (R-AuNCs) and blue-emissive carbon dots (B-CDs) were ingeniously designed accurate and sensitive detection of GLY. Upon the presence of GLY, it would quench the fluorescence of B-CDs through dynamic quenching effect, and strengthen the fluorescence response of R-AuNCs due to aggregation-induced enhancement effect. Through calculating the GLY-induced fluorescence intensity ratio of B-CDs to R-AuNCs by using a fluorescence spectrophotometer, low to 0.218 μg/mL of GLY could be detected in lab in a wide concentration range of 0.3-12 μg/mL with high recovery of 94.7-103.1% in the spiked malt samples. The smartphone-assisted ratiometric fluorescent sensor achieved in the 96-well plate could monitor 0-11 μg/mL of GLY with satisfactory recovery of 94.1-107.0% in real edible malt matrices for high-throughput analysis. In addition, a portable smartphone-assisted ratiometric paper sensor established through directly depositing the combined B-CDs/R-AuNCs probes on the test strip could realize on-site measurement of 2-8 μg/mL of GLY with good linear relationship. This study provides new insights into developing the dual-signal ratiometric sensing platforms for the in-lab sensitive detection, high-throughput analysis, and on-site portable measurement of more trace contaminants in foods, clinical and environmental samples.
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Affiliation(s)
- Kai Deng
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Haipeng Guo
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Xueying Li
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Te Li
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Tingting Di
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing Institute of Traditional Chinese Medicine, Beijing 100010, China
| | - Runran Ma
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Doudou Lei
- State Key Laboratory of Southwestern Chinese Medicine Resources, Pharmacy College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, China
| | - Yining Zhang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Jiabo Wang
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China
| | - Weijun Kong
- School of Traditional Chinese Medicine, Capital Medical University, Beijing 100069, China; Laboratory for Clinical Medicine, Capital Medical University, Beijing 100069, China.
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2
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Jared NM, Johnson ZT, Pola CC, Bez KK, Bez K, Hooe SL, Breger JC, Smith EA, Medintz IL, Neihart NM, Claussen JC. Biomimetic laser-induced graphene fern leaf and enzymatic biosensor for pesticide spray collection and monitoring. NANOSCALE HORIZONS 2024; 9:1543-1556. [PMID: 38985448 DOI: 10.1039/d4nh00010b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2024]
Abstract
Monitoring of pesticide concentration distribution across farm fields is crucial to ensure precise and efficient application while preventing overuse or untreated areas. Inspired by nature's wettability patterns, we developed a biomimetic fern leaf pesticide collection patch using laser-induced graphene (LIG) alongside an external electrochemical LIG biosensor. This "collect-and-sense" system allows for rapid pesticide spray monitoring in the farm field. The LIG is synthesized and patterned on polyimide through a high-throughput gantry-based CO2 laser process, making it amenable to scalable manufacturing. The resulting LIG-based leaf exhibits a remarkable water collection capacity, harvesting spray mist/fog at a rate approximately 11 times greater than a natural ostrich fern leaf when the collection is normalized to surface area. The developed three-electrode LIG pesticide biosensor, featuring a working electrode functionalized with electrodeposited platinum nanoparticles (PtNPs) and the enzyme glycine oxidase, displayed a linear range of 10-260 μM, a detection limit of 1.15 μM, and a sensitivity of 5.64 nA μM-1 for the widely used herbicide glyphosate. Also, a portable potentiostat with a user-friendly interface was developed for remote operation, achieving an accuracy of up to 97%, when compared to a standard commercial benchtop potentiostat. The LIG "collect-and-sense" system can consistently collect and monitor glyphosate spray after 24-48 hours of spraying, a time that corresponds to the restricted-entry interval required to enter most farm fields after pesticide spraying. Hence, this innovative "collect-and-sense" system not only advances precision agriculture by enabling monitoring and mapping of pesticide distribution but also holds the potential to significantly reduce environmental impact, enhance crop management practices, and contribute to the sustainable and efficient use of agrochemicals in modern agriculture.
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Affiliation(s)
- Nathan M Jared
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Zachary T Johnson
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Cicero C Pola
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Kristi K Bez
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
| | - Krishangee Bez
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA
| | - Shelby L Hooe
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Joyce C Breger
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Emily A Smith
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, USA
| | - Igor L Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, Naval Research Laboratory, Washington, DC 20375, USA
| | - Nathan M Neihart
- Department of Electrical Engineering, Iowa State University, Ames, Iowa 50011, USA
| | - Jonathan C Claussen
- Department of Mechanical Engineering, Iowa State University, Ames, Iowa 50011, USA.
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3
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Geana EI, Ciucure CT, Soare A, Enache S, Ionete RE, Dinu LA. Electrochemical Detection of Glyphosate in Surface Water Samples Based on Modified Screen-Printed Electrodes. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:948. [PMID: 38869573 PMCID: PMC11173875 DOI: 10.3390/nano14110948] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2024] [Revised: 04/30/2024] [Accepted: 05/27/2024] [Indexed: 06/14/2024]
Abstract
This study addresses the necessity to monitor the presence of glyphosate (Gly) in waters, highlighting the need for on-site detection of Gly by using electrochemical sensors in environmental and agricultural monitoring programs. Two approaches were employed: (1) modification with graphene decorated with gold nanoparticles (AuNPs-Gr) and dispersed in either dimethylformamide (DMF) or a solution containing Nafion and isopropanol (NAF), and (2) molecularly imprinted polymers (MIPs) based on polypyrrole (PPy) deposited on gold SPEs (AuSPE). Electrochemical characterization revealed that sensors made of AuNPs-Gr/SPCE exhibited enhanced conductivity, larger active area, and improved charge transfer kinetics compared to unmodified SPEs and SPEs modified with graphene alone. However, the indirect detection mechanism of Gly via complex formation with metallic cations in AuNPs-Gr-based sensors introduces complexities and compromises sensitivity and selectivity. In contrast, MIPPy/AuSPE sensors demonstrated superior performance, offering enhanced reliability and sensitivity for Gly analysis. The MIPPy/AuSPE sensor allowed the detection of Gly concentrations as low as 5 ng/L, with excellent selectivity and reproducibility. Moreover, testing in real surface water samples from the Olt River in Romania showed recovery rates ranging from 90% to 99%, highlighting the effectiveness of the detection method. Future perspectives include expanding the investigation to monitor Gly decomposition in aquatic environments over time, providing insights into the decomposition's long-term effects on water quality and ecosystem health, and modifying regulatory measures and agricultural practices for mitigating its impact. This research contributes to the development of robust and reliable electrochemical sensors for on-site monitoring of Glyphosate in environmental and agricultural settings.
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Affiliation(s)
- Elisabeta-Irina Geana
- National Research and Development Institute for Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 240050 Râmnicu Vâlcea, Romania; (C.T.C.); (A.S.); (S.E.); (R.E.I.)
| | - Corina Teodora Ciucure
- National Research and Development Institute for Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 240050 Râmnicu Vâlcea, Romania; (C.T.C.); (A.S.); (S.E.); (R.E.I.)
| | - Amalia Soare
- National Research and Development Institute for Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 240050 Râmnicu Vâlcea, Romania; (C.T.C.); (A.S.); (S.E.); (R.E.I.)
| | - Stanica Enache
- National Research and Development Institute for Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 240050 Râmnicu Vâlcea, Romania; (C.T.C.); (A.S.); (S.E.); (R.E.I.)
| | - Roxana Elena Ionete
- National Research and Development Institute for Cryogenics and Isotopic Technologies—ICSI Rm. Valcea, 240050 Râmnicu Vâlcea, Romania; (C.T.C.); (A.S.); (S.E.); (R.E.I.)
| | - Livia Alexandra Dinu
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 077190 Voluntari, Romania
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4
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Giancarla A, Zanoni C, Merli D, Magnaghi LR, Biesuz R. A new cysteamine-copper chemically modified screen-printed gold electrode for glyphosate determination. Talanta 2024; 269:125436. [PMID: 38008026 DOI: 10.1016/j.talanta.2023.125436] [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: 07/24/2023] [Revised: 11/07/2023] [Accepted: 11/17/2023] [Indexed: 11/28/2023]
Abstract
A chemically modified screen-printed gold electrode has been prepared by covering the electrode surface with a cysteamine-copper self-assembled monolayer (SAM). The sensor was effective for the voltammetric sensing of glyphosate. The method exploits the interaction of glyphosate with copper ions complexed by cysteamine, which results in a decrease in the intensity of copper redox current. Cyclic voltammetry was employed as a measuring technique. When dealing with voltammograms with numerous peaks changing in shape and size, it is difficult to define which signal is the most significant for the analyte determination; in these cases, a helpful approach is chemometrics. In this work, PLS (Partial Least Square regression) has been applied to build models to correlate the signal with the glyphosate concentration in standard aqueous solutions and tap water samples (matrix-matched calibration). The method's figures of merits were evaluated, obtaining a limit of quantification of about 5 μM. The reliability of the proposed sensor was verified by analyzing tap water spiked with glyphosate; recoveries higher than 90 % were achieved.
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Affiliation(s)
- Alberti Giancarla
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy.
| | - Camilla Zanoni
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Daniele Merli
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy
| | - Lisa Rita Magnaghi
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy; Unità di Ricerca di Pavia, INSTM, Via G. Giusti 9, 50121, Firenze, Italy
| | - Raffaela Biesuz
- Department of Chemistry, University of Pavia, Via Taramelli 12, 27100, Pavia, Italy; Unità di Ricerca di Pavia, INSTM, Via G. Giusti 9, 50121, Firenze, Italy
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5
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Zhao S, Shi L, Zhang X, Sun X, Zhu W, Yu L. An on-off-on fluorescent probe for the detection of glyphosate based on a Cu 2+-assisted squaraine dye sensor. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:1341-1346. [PMID: 38334227 DOI: 10.1039/d3ay02128a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/10/2024]
Abstract
The herbicide glyphosate, N-(phosphonomethyl)glycine, has been widely used in the past 40 years, and has had many adverse effects on human health. Here, we constructed a convenient "on-off-on" fluorescent platform for detection of glyphosate via Cu2+ modulated squaraine dye fluorescence quenching. The squaraine dye F-0 exhibited strong fluorescence, which could be quenched by the addition of Cu2+. However, the addition of glyphosate restored the fluorescence intensity of F-0 due to the formation of a Cu2+-glyphosate complex. F-0 was utilized as a fluorescent probe for the quantitative detection of glyphosate, with the lowest detection limit of 13.16 nmol L-1. Furthermore, this method demonstrated high selectivity and anti-interference capabilities. The successful monitoring of glyphosate in real samples was achieved using this detection strategy.
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Affiliation(s)
- Shuhua Zhao
- North China University of Science and Technology, Tangshan, 063210, China
- National Center for Occupational Safety and Healthy, NHC, Beijing, 102308, China
| | - Lei Shi
- North China University of Science and Technology, Tangshan, 063210, China
| | - Xiufeng Zhang
- North China University of Science and Technology, Tangshan, 063210, China
| | - Xiaoran Sun
- North China University of Science and Technology, Tangshan, 063210, China
| | - Wenxuan Zhu
- National Center for Occupational Safety and Healthy, NHC, Beijing, 102308, China
- University of South China, Hengyang, 421001, China.
| | - Lijia Yu
- National Center for Occupational Safety and Healthy, NHC, Beijing, 102308, China
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Abrams SA, Albin JL, Landrigan PJ. Use of Genetically Modified Organism (GMO)-Containing Food Products in Children. Pediatrics 2024; 153:e2023064774. [PMID: 38073334 DOI: 10.1542/peds.2023-064774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/23/2023] [Indexed: 01/02/2024] Open
Abstract
Families increasingly raise questions about the use of genetically modified organism (GMO)-containing food products. These products are widely found in the US food supply but originate from a narrow list of crops. Although GMO technology could be used to increase the micronutrient content of foods, this does not occur in the United States; instead, GMO technology has been used to make crops resistant to chemical herbicides. As a result, herbicide use has increased exponentially. The World Health Organization's International Agency on Research for Cancer has determined that glyphosate, an herbicide widely used in producing GMO food crops, is a probable human carcinogen. Measurable quantities of glyphosate are detected in some GMO foods. Families who wish to minimize GMO food products can do so by focusing on a dietary pattern of primarily whole, plant-based foods while minimizing ultra-processed foods. Pediatricians play a vital role in their efforts to minimize fear-based messaging and support families through shared decision-making. Pediatrician awareness of GMO labeling can guide individualized conversations, particularly that non-GMO labeling does not indicate organic status and that increased cost of some non-GMO foods, especially if also organic, may limit this choice for many families.
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Affiliation(s)
- Steven A Abrams
- Department of Pediatrics, The University of Texas at Austin Dell Medical School, Austin, Texas
| | - Jaclyn Lewis Albin
- Departments of Internal Medicine and Pediatrics, University of Texas Southwestern Medical Center, Dallas, Texas
| | - Philip J Landrigan
- Department of Biology and Program for Global Public Health and the Common Good, Boston College, Chestnut Hill, Massachusetts
- Centre Scientifique de Monaco, Monaco
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7
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Geana EI, Baracu AM, Stoian MC, Brincoveanu O, Pachiu C, Dinu LA. Hybrid nanomaterial-based indirect electrochemical sensing of glyphosate in surface water: a promising approach for environmental monitoring. ENVIRONMENTAL SCIENCE. PROCESSES & IMPACTS 2023; 25:2057-2066. [PMID: 37870161 DOI: 10.1039/d3em00355h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2023]
Abstract
Glyphosate (GLY), a widely utilized pesticide, poses a significant threat to human health even at minute concentrations. In this study, we propose an innovative electrochemical sensor for the indirect detection of GLY in surface water samples. The sensor incorporates a nanohybrid material composed of multi-layer graphene decorated with gold nanoparticles (AuNPs), synthesized in a single-step electrochemical process. To ensure portability and on-site measurements, the sensor is developed on a screen-printed electrode, chosen for its integration and miniaturization capabilities. The proposed sensor demonstrates remarkable sensitivity and selectivity for GLY detection in surface water samples, with an exceptional limit of detection (LOD) of 0.03 parts per billion (ppb) in both buffer and surface water matrices. Moreover, it exhibits a remarkably high sensitivity of 0.15 μA ppb-1. This electrochemical sensor offers a promising approach for accurate GLY monitoring, addressing the urgent need for reliable pesticide detection in environmental samples. The proposed sensor showed high selectivity towards GLY, when analysed in the presence of other pesticides such as phosmet, chlorpyrifos and glufosinate-ammonium. The recovery percentages of GLY from spiked surface water samples were between 93.8 and 98.9%. The study's broader implications extend to revolutionizing the way environmental chemistry addresses pesticide contamination, water quality assessment, and sustainable management of environmental pollutants. By pushing the boundaries of detection capabilities and offering practical solutions, this research contributes to the advancement of knowledge and practices that are essential for preserving and protecting our environment.
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Affiliation(s)
- Elisabeta-Irina Geana
- National Institute for Research and Development for Isotopic and Cryogenic Technologies, 4th Uzinei Street 240002, Râmnicu-Vâlcea, Romania
| | - Angela Mihaela Baracu
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 126A Erou Iancu Nicolae Street, 077190 Voluntari, Ilfov, Romania.
| | - Marius C Stoian
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 126A Erou Iancu Nicolae Street, 077190 Voluntari, Ilfov, Romania.
| | - Oana Brincoveanu
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 126A Erou Iancu Nicolae Street, 077190 Voluntari, Ilfov, Romania.
| | - Cristina Pachiu
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 126A Erou Iancu Nicolae Street, 077190 Voluntari, Ilfov, Romania.
| | - Livia Alexandra Dinu
- National Institute for Research and Development in Microtechnologies (IMT Bucharest), 126A Erou Iancu Nicolae Street, 077190 Voluntari, Ilfov, Romania.
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8
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Pakzad P, Taheri E, Amin MM, Fatehizadeh A. Evaluation of health risk of glyphosate pesticide intake via surface and subsurface water consumption: A deterministic and probabilistic approach. MethodsX 2023; 11:102369. [PMID: 37719920 PMCID: PMC10502399 DOI: 10.1016/j.mex.2023.102369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2023] [Accepted: 09/06/2023] [Indexed: 09/19/2023] Open
Abstract
As the usage of pesticides for both agricultural and non-agricultural uses increases, it is more important than ever to employ probabilistic methods rather than deterministic ones to calculate the danger to human health. The current work demonstrates the application of deterministic and probabilistic approaches to assess the human health risk related to glyphosate during the consumption of surface and groundwater by different population groups. To that aim, the concentration of glyphosate pesticide in the surface and groundwater was measured and human health risk for three population groups including children, teens, and adults was evaluated. Overall, the probabilistic approach via Monte Carlo simulation showed a valid result for the estimation of human health risk and determination of dominant input parameters.•The health risk of glyphosate exposure during water consumption for various population groups were evaluated using deterministic and probabilistic methods.•The modeling is performed by Crystal Ball (11.1.2.4) software, as open access software, and requires a limited number of inputs.•The probabilistic method could reliably assess the risks of glyphosate by considering the variability and uncertainty in input variables.
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Affiliation(s)
- Parichehr Pakzad
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
- School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ensiyeh Taheri
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Mehdi Amin
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Ali Fatehizadeh
- Department of Environmental Health Engineering, School of Health, Isfahan University of Medical Sciences, Isfahan, Iran
- Environment Research Center, Research Institute for Primordial Prevention of Non-Communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran
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9
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Ferrante M, Rapisarda P, Grasso A, Favara C, Oliveri Conti G. Glyphosate and environmental toxicity with "One Health" approach, a review. ENVIRONMENTAL RESEARCH 2023; 235:116678. [PMID: 37459948 DOI: 10.1016/j.envres.2023.116678] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 07/12/2023] [Accepted: 07/13/2023] [Indexed: 07/26/2023]
Abstract
The herbicide Glyphosate (GLY), or N-(phosphonomethyl) glycine was synthesized in 1950 and applied to control weeds in agricultural production. For a long time, it was believed that it was an inert compound, but many studies have instead demonstrated over the years the dangers of GLY to the ecosystem and human health. Among the best-known effects, it is known that GLY interferes with the metabolic pathways of plants and the main groups of microorganisms, negatively influencing their growth. GLY interferes with the metabolic pathways of plants and major groups of microorganisms negatively affecting their growth. The extensive GLY application on fields results in a "slow death" of plants through the minor resistance to root pathogens and in increasing pollution of freshwaters and soils. Unfortunately, however, unlike the old beliefs, GLY can reach non-target destinations, in this regard, ecological studies and environmental epidemiology are of significant interest. In this review, we focus on the effects of acute and chronic exposure to GLY on the health of plants, animals, and humans from a One Health perspective. GLY has been linked to neurological and endocrine issues in both humans and animals, and behavioral modification on specific bioindicators, but the knowledge about the ratio cause-and-effect still needs to be better understood and elucidated. Environmental GLY residues analysis and policy acts will both require new criteria to protect environmental and human health.
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Affiliation(s)
- Margherita Ferrante
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy
| | - Paola Rapisarda
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy
| | - Alfina Grasso
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy
| | - Claudia Favara
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy; Department of Biological, Geological and Environmental Sciences, University of Catania, Catania, Italy
| | - Gea Oliveri Conti
- Environmental and Food Hygiene Laboratory (LIAA), Department of Medical, Surgical and Advanced Technology "G.F. Ingrassia", University of Catania, Catania, Italy; International Society of Doctors for Environments - ISDE, Catania Section, Italy.
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10
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Le Quilliec E, Fundere A, Al-U’datt DGF, Hiram R. Pollutants, including Organophosphorus and Organochloride Pesticides, May Increase the Risk of Cardiac Remodeling and Atrial Fibrillation: A Narrative Review. Biomedicines 2023; 11:2427. [PMID: 37760868 PMCID: PMC10525278 DOI: 10.3390/biomedicines11092427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/28/2023] [Accepted: 08/29/2023] [Indexed: 09/29/2023] Open
Abstract
Atrial fibrillation (AF) is the most common type of cardiac rhythm disorder. Recent clinical and experimental studies reveal that environmental pollutants, including organophosphorus-organochloride pesticides and air pollution, may contribute to the development of cardiac arrhythmias including AF. Here, we discussed the unifying cascade of events that may explain the role of pollutant exposure in the development of AF. Following ingestion and inhalation of pollution-promoting toxic compounds, damage-associated molecular pattern (DAMP) stimuli activate the inflammatory response and oxidative stress that may negatively affect the respiratory, cognitive, digestive, and cardiac systems. Although the detailed mechanisms underlying the association between pollutant exposure and the incidence of AF are not completely elucidated, some clinical reports and fundamental research data support the idea that pollutant poisoning can provoke perturbed ion channel function, myocardial electrical abnormalities, decreased action potential duration, slowed conduction, contractile dysfunction, cardiac fibrosis, and arrhythmias including AF.
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Affiliation(s)
- Ewen Le Quilliec
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada;
- Research Center, Montreal Heart Institute, Montreal, QC H1T 1C8, Canada;
| | - Alexia Fundere
- Research Center, Montreal Heart Institute, Montreal, QC H1T 1C8, Canada;
| | - Doa’a G. F. Al-U’datt
- Department of Physiology and Biochemistry, Faculty of Medicine, Jordan University of Science and Technology, Irbid 22110, Jordan;
| | - Roddy Hiram
- Department of Medicine, Faculty of Medicine, University of Montreal, Montreal, QC H3T 1J4, Canada;
- Research Center, Montreal Heart Institute, Montreal, QC H1T 1C8, Canada;
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11
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Mazuryk J, Klepacka K, Kutner W, Sharma PS. Glyphosate Separating and Sensing for Precision Agriculture and Environmental Protection in the Era of Smart Materials. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023. [PMID: 37384557 DOI: 10.1021/acs.est.3c01269] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/01/2023]
Abstract
The present article critically and comprehensively reviews the most recent reports on smart sensors for determining glyphosate (GLP), an active agent of GLP-based herbicides (GBHs) traditionally used in agriculture over the past decades. Commercialized in 1974, GBHs have now reached 350 million hectares of crops in over 140 countries with an annual turnover of 11 billion USD worldwide. However, rolling exploitation of GLP and GBHs in the last decades has led to environmental pollution, animal intoxication, bacterial resistance, and sustained occupational exposure of the herbicide of farm and companies' workers. Intoxication with these herbicides dysregulates the microbiome-gut-brain axis, cholinergic neurotransmission, and endocrine system, causing paralytic ileus, hyperkalemia, oliguria, pulmonary edema, and cardiogenic shock. Precision agriculture, i.e., an (information technology)-enhanced approach to crop management, including a site-specific determination of agrochemicals, derives from the benefits of smart materials (SMs), data science, and nanosensors. Those typically feature fluorescent molecularly imprinted polymers or immunochemical aptamer artificial receptors integrated with electrochemical transducers. Fabricated as portable or wearable lab-on-chips, smartphones, and soft robotics and connected with SM-based devices that provide machine learning algorithms and online databases, they integrate, process, analyze, and interpret massive amounts of spatiotemporal data in a user-friendly and decision-making manner. Exploited for the ultrasensitive determination of toxins, including GLP, they will become practical tools in farmlands and point-of-care testing. Expectedly, smart sensors can be used for personalized diagnostics, real-time water, food, soil, and air quality monitoring, site-specific herbicide management, and crop control.
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Affiliation(s)
- Jarosław Mazuryk
- Department of Electrode Processes, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- Bio & Soft Matter, Institute of Condensed Matter and Nanosciences, Université catholique de Louvain, 1 Place Louis Pasteur, 1348 Louvain-la-Neuve, Belgium
| | - Katarzyna Klepacka
- Functional Polymers Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
- ENSEMBLE3 sp. z o. o., 01-919 Warsaw, Poland
- Faculty of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
| | - Włodzimierz Kutner
- Faculty of Mathematics and Natural Sciences. School of Sciences, Cardinal Stefan Wyszynski University in Warsaw, 01-938 Warsaw, Poland
- Modified Electrodes for Potential Application in Sensors and Cells Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
| | - Piyush Sindhu Sharma
- Functional Polymers Research Team, Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
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12
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Li Q, Guo Y, He X, Li G. Sensitive and Label-Free Colorimetric Detection of Glyphosate Based on the Suppression Peroxidase-Mimicking Activity of Cu(II) Ions. Molecules 2023; 28:4630. [PMID: 37375185 PMCID: PMC10300950 DOI: 10.3390/molecules28124630] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 06/02/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
The sensitive and accurate determination of glyphosate (Glyp) is urgently demanded because it is closely correlated with human health and environmental safety. In this work, we proposed a sensitive and convenient colorimetric assay by employing copper ion peroxidases for the detection of Glyp in the environment. Free Cu(II) ions displayed high peroxidase activity and can catalytically oxidize the colorless 3,3',5,5'-tetramethylbenzidine (TMB) into blue oxTMB, resulting in an obviously visible discoloration reaction. Once the Glyp is added, the ability of copper ions to mimic peroxidase can be largely suppressed because of the generation of Glyp-Cu2+ chelate. The favorable selectivity and sensitivity were demonstrated in the colorimetric analysis of Glyp. Furthermore, this rapid and sensitive method was successfully applied in the accurate and reliable determination of glyphosate in the real sample, holding promising applications in pesticide determination in the environment.
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Affiliation(s)
- Qing Li
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, China
| | - Yumeng Guo
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
| | - Xiangyi He
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
| | - Guangli Li
- College of Life Science and Chemistry, Hunan University of Technology, Zhuzhou 412007, China; (Y.G.); (X.H.)
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13
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Prospective analytical role of sensors for environmental screening and monitoring. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116751] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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14
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Periodic Copper Microbead Array on Silver Layer for Dual Mode Detection of Glyphosate. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100105] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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15
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Michalaki A, McGivern AR, Poschet G, Büttner M, Altenburger R, Grintzalis K. The Effects of Single and Combined Stressors on Daphnids-Enzyme Markers of Physiology and Metabolomics Validate the Impact of Pollution. TOXICS 2022; 10:toxics10100604. [PMID: 36287884 PMCID: PMC9609890 DOI: 10.3390/toxics10100604] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/09/2022] [Accepted: 10/10/2022] [Indexed: 05/14/2023]
Abstract
The continuous global increase in population and consumption of resources due to human activities has had a significant impact on the environment. Therefore, assessment of environmental exposure to toxic chemicals as well as their impact on biological systems is of significant importance. Freshwater systems are currently under threat and monitored; however, current methods for pollution assessment can neither provide mechanistic insight nor predict adverse effects from complex pollution. Using daphnids as a bioindicator, we assessed the impact in acute exposures of eight individual chemicals and specifically two metals, four pharmaceuticals, a pesticide and a stimulant, and their composite mixture combining phenotypic, biochemical and metabolic markers of physiology. Toxicity levels were in the same order of magnitude and significantly enhanced in the composite mixture. Results from individual chemicals showed distinct biochemical responses for key enzyme activities such as phosphatases, lipase, peptidase, β-galactosidase and glutathione-S-transferase. Following this, a more realistic mixture scenario was assessed with the aforementioned enzyme markers and a metabolomic approach. A clear dose-dependent effect for the composite mixture was validated with enzyme markers of physiology, and the metabolomic analysis verified the effects observed, thus providing a sensitive metrics in metabolite perturbations. Our study highlights that sensitive enzyme markers can be used in advance on the design of metabolic and holistic assays to guide the selection of chemicals and the trajectory of the study, while providing mechanistic insight. In the future this could prove to become a useful tool for understanding and predicting freshwater pollution.
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Affiliation(s)
- Anna Michalaki
- School of Biotechnology, Dublin City University, D09 Y5NO Dublin, Ireland
| | | | - Gernot Poschet
- Centre for Organismal Studies (COS), Heidelberg University, 69120 Heidelberg, Germany
| | - Michael Büttner
- Centre for Organismal Studies (COS), Heidelberg University, 69120 Heidelberg, Germany
| | - Rolf Altenburger
- Department of Bioanalytical Ecotoxicology, Helmholtz-Centre for Environmental Research—UFZ, 04318 Leipzig, Germany
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16
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Aydin Z, Akın Ş, Çenet EN, Keskinateş M, Akbulut A, Keleş H, Keleş M. Two novel enzyme-free colorimetric sensors for the detection of glyphosate in real samples. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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17
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Gold nanoelectrode arrays dewetted onto graphene paper for selective and direct electrochemical determination of glyphosate in drinking water. SENSING AND BIO-SENSING RESEARCH 2022. [DOI: 10.1016/j.sbsr.2022.100496] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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18
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Dey N. A pyrene-based ratiometric probe for nanomolar level detection of glyphosate in food and environmental samples and its application for live-cell imaging. NEW J CHEM 2022. [DOI: 10.1039/d2nj00448h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An in situ formed copper(ii)-complex is involved in analyzing glyphosate in real-life samples, such as crops, soil, water and biological fluids.
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Affiliation(s)
- Nilanjan Dey
- Department of Chemistry, Birla Institute of Technology and Science Pilani, Hyderabad Campus, Secunderabad, Telangana 500078, India
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19
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Electrochemically mediated multi‐modal detection strategy‐driven sensor platform to detect and quantify pesticides. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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20
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Marino M, Mele E, Viggiano A, Nori SL, Meccariello R, Santoro A. Pleiotropic Outcomes of Glyphosate Exposure: From Organ Damage to Effects on Inflammation, Cancer, Reproduction and Development. Int J Mol Sci 2021; 22:12606. [PMID: 34830483 PMCID: PMC8618927 DOI: 10.3390/ijms222212606] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/07/2021] [Accepted: 11/19/2021] [Indexed: 12/29/2022] Open
Abstract
Glyphosate is widely used worldwide as a potent herbicide. Due to its ubiquitous use, it is detectable in air, water and foodstuffs and can accumulate in human biological fluids and tissues representing a severe human health risk. In plants, glyphosate acts as an inhibitor of the shikimate pathway, which is absent in vertebrates. Due to this, international scientific authorities have long-considered glyphosate as a compound that has no or weak toxicity in humans. However, increasing evidence has highlighted the toxicity of glyphosate and its formulations in animals and human cells and tissues. Thus, despite the extension of the authorization of the use of glyphosate in Europe until 2022, several countries have begun to take precautionary measures to reduce its diffusion. Glyphosate has been detected in urine, blood and maternal milk and has been found to induce the generation of reactive oxygen species (ROS) and several cytotoxic and genotoxic effects in vitro and in animal models directly or indirectly through its metabolite, aminomethylphosphonic acid (AMPA). This review aims to summarize the more relevant findings on the biological effects and underlying molecular mechanisms of glyphosate, with a particular focus on glyphosate's potential to induce inflammation, DNA damage and alterations in gene expression profiles as well as adverse effects on reproduction and development.
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Affiliation(s)
- Marianna Marino
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università degli Studi di Salerno, Via S. Allende, 84081 Baronissi, Italy; (M.M.); (A.V.)
| | - Elena Mele
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy;
| | - Andrea Viggiano
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università degli Studi di Salerno, Via S. Allende, 84081 Baronissi, Italy; (M.M.); (A.V.)
| | - Stefania Lucia Nori
- Dipartimento di Farmacia, Università degli Studi di Salerno, Via Giovanni Paolo II, 84084 Fisciano, Italy;
| | - Rosaria Meccariello
- Dipartimento di Scienze Motorie e del Benessere, Università degli Studi di Napoli Parthenope, 80133 Naples, Italy;
| | - Antonietta Santoro
- Dipartimento di Medicina, Chirurgia e Odontoiatria “Scuola Medica Salernitana”, Università degli Studi di Salerno, Via S. Allende, 84081 Baronissi, Italy; (M.M.); (A.V.)
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21
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Zambrano-Intriago LA, Amorim CG, Rodríguez-Díaz JM, Araújo AN, Montenegro MCBSM. Challenges in the design of electrochemical sensor for glyphosate-based on new materials and biological recognition. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 793:148496. [PMID: 34182449 DOI: 10.1016/j.scitotenv.2021.148496] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 06/08/2021] [Accepted: 06/13/2021] [Indexed: 06/13/2023]
Abstract
Glyphosate (GLY) is the main ingredient in the weed killer Roundup and the most widely used pesticide in the world. Studies of the harmful effects of GLY on human health began to become more wide-ranging after 2015. GLY is listed by the International Agency for Research on Cancer (IARC) as a carcinogenic hazard to humans. Moreover, GLY has the property to complex with transition metals and are stable for long periods, being considered a high-risk element for different matrices, such as environmental (soil and water) and food (usually genetically modified crops). Since that, it was noticed an increment in the development of new analytical methods for its determination in different matrices like food, environmental and biological fluids. Noteworthy, the application of electrochemical techniques for downstream detection sparked interest due to the ability to minimize or eliminate the use of polluting chemicals, using simple and affordable equipment. This work aims to review the contribution of the electroanalytical methods for the determination of GLY in different food and environmental matrices. Parameters such as the electrochemical transduction techniques based on the electrical measurement signals, receptor materials for electrodes preparation, and the detection mechanisms are described in this review. The literature review shows that the electrochemical sensors are powerful detection system that can be improved by their design and by their portability to fulfil the needs of the GLY determination in laboratory benches, or even in situ analysis.
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Affiliation(s)
- Luis Angel Zambrano-Intriago
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal; Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Ecuador.
| | - Célia G Amorim
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal.
| | - Joan Manuel Rodríguez-Díaz
- Laboratorio de Análisis Químicos y Biotecnológicos, Instituto de Investigación, Universidad Técnica de Manabí, Portoviejo, Ecuador; Departamento de Procesos Químicos, Facultad de Ciencias Matemáticas, Físicas y Químicas, Universidad Técnica de Manabí, Portoviejo, Ecuador; Programa de Pós-graduação em Engenharia Química, Universidade Federal da Paraíba, João Pessoa, Brazil.
| | - Alberto N Araújo
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal.
| | - Maria C B S M Montenegro
- LAQV-REQUIMTE/Departamento de Ciências Químicas, Faculdade de Farmácia, Universidade do Porto, R. Jorge Viterbo Ferreira, 228, Porto 4050-313, Portugal.
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22
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Sun F, Ye XL, Wang YB, Yue ML, Li P, Yang L, Liu YL, Fu Y. NPA-Cu 2+ Complex as a Fluorescent Sensing Platform for the Selective and Sensitive Detection of Glyphosate. Int J Mol Sci 2021; 22:9816. [PMID: 34575982 PMCID: PMC8469908 DOI: 10.3390/ijms22189816] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/04/2021] [Accepted: 09/06/2021] [Indexed: 01/07/2023] Open
Abstract
Glyphosate is a highly effective, low-toxicity, broad-spectrum herbicide, which is extensively used in global agriculture to control weeds and vegetation. However, glyphosate has become a potential threat to human and ecosystem because of its excessive usage and its bio-concentration in soil and water. Herein, a novel turn-on fluorescent probe, N-n-butyl-4-(3-pyridin)ylmethylidenehydrazine-1,8-naphthalimide (NPA), is proposed. It efficiently detected Cu2+ within the limit of detection (LOD) of 0.21 μM and displayed a dramatic turn-off fluorescence response in CH3CN. NPA-Cu2+ complex was employed to selectively and sensitively monitor glyphosate concentrations in real samples accompanied by a fluorescence turn-on mode. A good linear relationship between NPA and Cu2+ of glyphosate was found in the range of 10-100 μM with an LOD of 1.87 μM. Glyphosate exhibited a stronger chelation with Cu2+ than NPA and the system released free NPA through competitive coordination. The proposed method demonstrates great potential in quantitatively detecting glyphosate in tap water, local water from Songhua River, soil, rice, millet, maize, soybean, mung bean, and milk with mild conditions, and is a simple procedure with obvious consequences and no need for large instruments or pretreatment.
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Affiliation(s)
- Fang Sun
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
| | - Xin-Lu Ye
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Hung Hom, Hong Kong, China;
| | - Yu-Bo Wang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
| | - Ming-Li Yue
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
| | - Ping Li
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
| | - Liu Yang
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
| | - Yu-Long Liu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
| | - Ying Fu
- Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin 150030, China; (F.S.); (Y.-B.W.); (M.-L.Y.); (P.L.); (L.Y.); (Y.-L.L.)
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23
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Cattani D, Struyf N, Steffensen V, Bergquist J, Zamoner A, Brittebo E, Andersson M. Perinatal exposure to a glyphosate-based herbicide causes dysregulation of dynorphins and an increase of neural precursor cells in the brain of adult male rats. Toxicology 2021; 461:152922. [PMID: 34474092 DOI: 10.1016/j.tox.2021.152922] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/05/2021] [Accepted: 08/27/2021] [Indexed: 01/01/2023]
Abstract
Glyphosate, the most used herbicide worldwide, has been suggested to induce neurotoxicity and behavioral changes in rats after developmental exposure. Studies of human glyphosate intoxication have reported adverse effects on the nervous system, particularly in substantia nigra (SN). Here we used matrix-assisted laser desorption ionization (MALDI) imaging mass spectrometry (IMS) to study persistent changes in peptide expression in the SN of 90-day-old adult male Wistar rats. The animals were perinatally exposed to 3 % GBH (glyphosate-based herbicide) in drinking water (corresponding to 0.36 % of glyphosate) starting at gestational day 5 and continued up to postnatal day 15 (PND15). Peptides are present in the central nervous system before birth and play a critical role in the development and survival of neurons, therefore, observed neuropeptide changes could provide better understanding of the GBH-induced long term effects on SN. The results revealed 188 significantly altered mass peaks in SN of animals perinatally exposed to GBH. A significant reduction of the peak intensity (P < 0.05) of several peptides from the opioid-related dynorphin family such as dynorphin B (57 %), alpha-neoendorphin (50 %), and its endogenous metabolite des-tyrosine alpha-neoendorphin (39 %) was detected in the GBH group. Immunohistochemical analysis confirmed a decreased dynorphin expression and showed a reduction of the total area of dynorphin immunoreactive fibers in the SN of the GBH group. In addition, a small reduction of dynorphin immunoreactivity associated with non-neuronal cells was seen in the hilus of the hippocampal dentate gyrus. Perinatal exposure to GBH also induced an increase in the number of nestin-positive cells in the subgranular zone of the dentate gyrus. In conclusion, the results demonstrate long-term changes in the adult male rat SN and hippocampus following a perinatal GBH exposure suggesting that this glyphosate-based formulation may perturb critical neurodevelopmental processes.
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Affiliation(s)
- Daiane Cattani
- Department of Pharmaceutical Biosciences - BMC, Uppsala University, Box 591, 75124, Uppsala, Sweden; Department of Biochemistry, Federal University of Santa Catarina, Florianopolis, 88040-970, Brazil.
| | - Nona Struyf
- Department of Pharmaceutical Biosciences - BMC, Uppsala University, Box 591, 75124, Uppsala, Sweden
| | - Vivien Steffensen
- Department of Pharmaceutical Biosciences - BMC, Uppsala University, Box 591, 75124, Uppsala, Sweden
| | - Jonas Bergquist
- Department of Chemistry - BMC, Analytical Chemistry and Neurochemistry, Uppsala University, Box 559, 75124, Uppsala, Sweden
| | - Ariane Zamoner
- Department of Biochemistry, Federal University of Santa Catarina, Florianopolis, 88040-970, Brazil
| | - Eva Brittebo
- Department of Pharmaceutical Biosciences - BMC, Uppsala University, Box 591, 75124, Uppsala, Sweden
| | - Malin Andersson
- Department of Pharmaceutical Biosciences - BMC, Uppsala University, Box 591, 75124, Uppsala, Sweden
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Uka B, Kieninger J, Urban GA, Weltin A. Electrochemical Microsensor for Microfluidic Glyphosate Monitoring in Water Using MIP-Based Concentrators. ACS Sens 2021; 6:2738-2746. [PMID: 34255489 DOI: 10.1021/acssensors.1c00884] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Glyphosate (GLY) is a broad-spectrum herbicide and is the most used pesticide worldwide. This vast usage has raised strong interest in the ecotoxicological impacts and human risks, with contamination of water being a major concern. Decentralized analytical techniques for water monitoring are of high importance. In this work, we present a small, low-cost, and time-effective electrochemical, chip-based microfluidic device for direct electrochemical detection of GLY downstream of a molecularly imprinted polymer (MIP) concentrator. We studied the electrochemical behavior of GLY and its metabolite aminomethylphosphonic acid (AMPA) using cyclic voltammetry with noble metal electrodes in acidic, neutral, and basic media. A chronoamperometric sensor protocol was developed for sensitive and selective GLY measurements on gold electrodes. The optimized protocol was transferred to a chip-based microsensor platform for online and real-time detection of GLY in a microfluidic setup. The results in the range from 0 to 50 μM GLY in 0.5 M H2SO4 show high linearity and a sensitivity of 10.3 ± 0.6 μA mm-2 mM-1 for the chip-based microfluidic platform. Successful recovery of GLY concentrated from untreated tap water and its precise detection from low volumes demonstrates the advantages of our system.
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Affiliation(s)
- Besnik Uka
- Laboratory for Sensors, IMTEK-Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
| | - Jochen Kieninger
- Laboratory for Sensors, IMTEK-Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
| | - Gerald A Urban
- Laboratory for Sensors, IMTEK-Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
| | - Andreas Weltin
- Laboratory for Sensors, IMTEK-Department of Microsystems Engineering, University of Freiburg, 79110 Freiburg, Germany
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25
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Yu J, Lin J, Li J. A photoelectrochemical sensor based on an acetylcholinesterase-CdS/ZnO-modified extended-gate field-effect transistor for glyphosate detection. Analyst 2021; 146:4595-4604. [PMID: 34160494 DOI: 10.1039/d1an00797a] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
A new photoelectrochemical enzyme biosensor based on an extended-gate field-effect transistor (EGFET) was constructed for the highly sensitive detection of glyphosate based on the inhibition of acetylcholinesterase (AChE) activity by glyphosate. First, a two-step hydrothermal method was used to introduce ZnO and CdS onto an activated indium tin oxide (ITO) electrode to prepare a CdS/ZnO/ITO electrode. Then, AChE was immobilized on CdS/ZnO/ITO with chitosan to obtain an AChE/CdS/ZnO EGFET sensor. Under optimal experimental conditions, the logarithmic value of glyphosate in the range of 1.0 × 10-15-1.0 × 10-11 mol L-1 exhibited a good linear relationship with the photo-drain current response. The detection limit was 3.8 × 10-16 mol L-1 (signal-to-noise ratio = 3). The results show that the AChE/CdS/ZnO EGFET sensor has extremely high sensitivity and good selectivity. Moreover, the sensor was used for the determination of glyphosate in vegetables, demonstrating its application for the real-time detection of samples.
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Affiliation(s)
- Jiarui Yu
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China.
| | - Jingyu Lin
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China.
| | - Jianping Li
- College of Chemistry and Bioengineering, Guilin University of Technology, Guilin 541004, China. and College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
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Kanoun O, Lazarević-Pašti T, Pašti I, Nasraoui S, Talbi M, Brahem A, Adiraju A, Sheremet E, Rodriguez RD, Ben Ali M, Al-Hamry A. A Review of Nanocomposite-Modified Electrochemical Sensors for Water Quality Monitoring. SENSORS (BASEL, SWITZERLAND) 2021; 21:4131. [PMID: 34208587 PMCID: PMC8233775 DOI: 10.3390/s21124131] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/31/2021] [Accepted: 06/02/2021] [Indexed: 12/12/2022]
Abstract
Electrochemical sensors play a significant role in detecting chemical ions, molecules, and pathogens in water and other applications. These sensors are sensitive, portable, fast, inexpensive, and suitable for online and in-situ measurements compared to other methods. They can provide the detection for any compound that can undergo certain transformations within a potential window. It enables applications in multiple ion detection, mainly since these sensors are primarily non-specific. In this paper, we provide a survey of electrochemical sensors for the detection of water contaminants, i.e., pesticides, nitrate, nitrite, phosphorus, water hardeners, disinfectant, and other emergent contaminants (phenol, estrogen, gallic acid etc.). We focus on the influence of surface modification of the working electrodes by carbon nanomaterials, metallic nanostructures, imprinted polymers and evaluate the corresponding sensing performance. Especially for pesticides, which are challenging and need special care, we highlight biosensors, such as enzymatic sensors, immunobiosensor, aptasensors, and biomimetic sensors. We discuss the sensors' overall performance, especially concerning real-sample performance and the capability for actual field application.
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Affiliation(s)
- Olfa Kanoun
- Professorship Measurement and Sensor Technology, Chemnitz University of Technology, 09111 Chemnitz, Germany; (S.N.); (M.T.); (A.B.); (A.A.); (A.A.-H.)
| | - Tamara Lazarević-Pašti
- Department of Physical Chemistry, “VINČA” Institute of Nuclear Sciences—National Institute of the Republic of Serbia, University of Belgrade, 11000 Belgrade, Serbia;
| | - Igor Pašti
- Faculty of Physical Chemistry, University of Belgrade, 11000 Belgrade, Serbia;
| | - Salem Nasraoui
- Professorship Measurement and Sensor Technology, Chemnitz University of Technology, 09111 Chemnitz, Germany; (S.N.); (M.T.); (A.B.); (A.A.); (A.A.-H.)
- NANOMISENE Lab, LR16CRMN01, Centre for Research on Microelectronics and Nanotechnology of Sousse, Technopole of Sousse B.P. 334, Sahloul, Sousse 4034, Tunisia;
- Higher Institute of Applied Sciences and Technology of Sousse, University of Sousse, 4003 Tunisia of Sousse, GREENS-ISSAT, Cité Ettafala, Ibn Khaldoun, Sousse 4003, Tunisia
| | - Malak Talbi
- Professorship Measurement and Sensor Technology, Chemnitz University of Technology, 09111 Chemnitz, Germany; (S.N.); (M.T.); (A.B.); (A.A.); (A.A.-H.)
- NANOMISENE Lab, LR16CRMN01, Centre for Research on Microelectronics and Nanotechnology of Sousse, Technopole of Sousse B.P. 334, Sahloul, Sousse 4034, Tunisia;
- Higher Institute of Applied Sciences and Technology of Sousse, University of Sousse, 4003 Tunisia of Sousse, GREENS-ISSAT, Cité Ettafala, Ibn Khaldoun, Sousse 4003, Tunisia
| | - Amina Brahem
- Professorship Measurement and Sensor Technology, Chemnitz University of Technology, 09111 Chemnitz, Germany; (S.N.); (M.T.); (A.B.); (A.A.); (A.A.-H.)
- NANOMISENE Lab, LR16CRMN01, Centre for Research on Microelectronics and Nanotechnology of Sousse, Technopole of Sousse B.P. 334, Sahloul, Sousse 4034, Tunisia;
- Higher Institute of Applied Sciences and Technology of Sousse, University of Sousse, 4003 Tunisia of Sousse, GREENS-ISSAT, Cité Ettafala, Ibn Khaldoun, Sousse 4003, Tunisia
| | - Anurag Adiraju
- Professorship Measurement and Sensor Technology, Chemnitz University of Technology, 09111 Chemnitz, Germany; (S.N.); (M.T.); (A.B.); (A.A.); (A.A.-H.)
| | - Evgeniya Sheremet
- Research School of Physics, Tomsk Polytechnic University, Tomsk 634050, Russia;
| | - Raul D. Rodriguez
- Research School of Chemical and Biomedical Technologies, Tomsk Polytechnic University, Tomsk 634050, Russia;
| | - Mounir Ben Ali
- NANOMISENE Lab, LR16CRMN01, Centre for Research on Microelectronics and Nanotechnology of Sousse, Technopole of Sousse B.P. 334, Sahloul, Sousse 4034, Tunisia;
- Higher Institute of Applied Sciences and Technology of Sousse, University of Sousse, 4003 Tunisia of Sousse, GREENS-ISSAT, Cité Ettafala, Ibn Khaldoun, Sousse 4003, Tunisia
| | - Ammar Al-Hamry
- Professorship Measurement and Sensor Technology, Chemnitz University of Technology, 09111 Chemnitz, Germany; (S.N.); (M.T.); (A.B.); (A.A.); (A.A.-H.)
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Wong A, de Lima DG, Ferreira PA, Khan S, da Silva RAB, de Faria JLB, Del Pilar Taboada Sotomayor M. Voltammetric sensing of glyphosate in different samples using carbon paste electrode modified with biochar and copper(II) hexadecafluoro-29H,31 phtalocyanine complex. J APPL ELECTROCHEM 2021. [DOI: 10.1007/s10800-021-01539-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Rapid and Sensitive Quantification of the Pesticide Lindane by Polymer Modified Electrochemical Sensor. SENSORS 2021; 21:s21020393. [PMID: 33429929 PMCID: PMC7827346 DOI: 10.3390/s21020393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/05/2021] [Accepted: 01/06/2021] [Indexed: 01/07/2023]
Abstract
Lindane is documented by the Environmental Protection Agency (EPA) as one of the most toxic registered pesticides. Conventional detection of lindane in the environment requires manual field sampling and complex, time-consuming analytical sample handling relying on skilled labor. In this study, an electrochemical sensing system based on a modified electrode is reported. The system is capable of detecting lindane in aqueous medium in only 20 s. The surface of a conventional carbon electrode is modified with a film of conductive polymer that enables detection of lindane down to 30 nanomolar. The electrode modification procedure is simple and results in a robust sensor that can withstand intensive use. The sensitivity of the sensor is 7.18 µA/µM and the performance was demonstrated in the determination of lindane in spiked ground water. This suggests that the sensor is potentially capable of providing useful readings for decision makers. The rapid and sensitive quantification of lindane in aqueous medium is one step forward to new opportunities for direct, autonomous control of the pesticide level in the environment.
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Rational Design of Molecularly Imprinted Polymers Using Quaternary Ammonium Cations for Glyphosate Detection. SENSORS 2021; 21:s21010296. [PMID: 33406759 PMCID: PMC7795498 DOI: 10.3390/s21010296] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Revised: 12/15/2020] [Accepted: 12/30/2020] [Indexed: 01/22/2023]
Abstract
Molecularly imprinted polymers have emerged as cost-effective and rugged artificial selective sorbents for combination with different sensors. In this study, quaternary ammonium cations, as functional monomers, were systematically evaluated to design imprinted polymers for glyphosate as an important model compound for electrically charged and highly water-soluble chemical compounds. To this aim, a small pool of monomers were used including (3-acrylamidopropyl)trimethylammonium chloride, [2-(acryloyloxy)ethyl]trimethylammonium chloride, and diallyldimethylammonium chloride. The simultaneous interactions between three positively charged monomers and glyphosate were preliminary evaluated using statistical design of the experiment method. Afterwards, different polymers were synthesized at the gold surface of the quartz crystal microbalance sensor using optimized and not optimized glyphosate-monomers ratios. All synthesized polymers were characterized using atomic force microscopy, contact angle, Fourier-transform infrared, and X-ray photoelectron spectroscopy. Evaluated functional monomers showed promise as highly efficient functional monomers, when they are used together and at the optimized ratio, as predicted by the statistical method. Obtained results from the modified sensors were used to develop a simple model describing the binding characteristics at the surface of the different synthesized polymers. This model helps to develop new synthesis strategies for rational design of the highly selective imprinted polymers and to use as a sensing platform for water soluble and polar targets.
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30
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Comparison of the performance analytical of two glyphosate electrochemical screening methods based on peroxidase enzyme inhibition. Microchem J 2021. [DOI: 10.1016/j.microc.2020.105654] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Santos JS, Pontes MS, Santiago EF, Fiorucci AR, Arruda GJ. An efficient and simple method using a graphite oxide electrochemical sensor for the determination of glyphosate in environmental samples. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 749:142385. [PMID: 33370922 DOI: 10.1016/j.scitotenv.2020.142385] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 06/12/2023]
Abstract
Excessive and indiscriminate use of the herbicide glyphosate (GLY) leaves the environment susceptible to its contamination. This work describes the development of a simple, inexpensive, and efficient electroanalytical method using graphite oxide paste electrode (GrO-PE) for the direct determination of GLY traces in groundwater samples, soybean extracts, and lettuce extracts. Under optimal experimental conditions, the developed sensor exhibited a linear response of the peak current intensity vs. the concentration, in the range of 1.8 × 10-5 to 1.2 × 10-3 mol L-1 for GLY. The limits of detection and quantification are 1.7 × 10-8 mol L-1 and 5.6 × 10-8 mol L-1, respectively. The methodology developed here demonstrated a strong analytical performance, with high reproducibility, repeatability, and precision. Moreover, it successfully avoided interference from other substances, showing high selectivity. The GrO-PE sensor was effectively applied to determine GLY traces in real samples with recovery rates ranging from 98% to 102%. Results showed that the GrO-PE is effective and useful for GLY detection, with the advantage of not involving laborious modifications and complicated handling, making it a promising tool for environmental analysis.
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Affiliation(s)
- Jaqueline S Santos
- Department of Plant Resources, Natural Resources Program (PGRN), Mato Grosso do Sul State University (UEMS), P.O. Box 351, Dourados, MS 7984-970, Brazil; Department of Analytical Chemistry, Natural Resources Program (PGRN), Mato Grosso do Sul State University (UEMS), P.O. Box 351, Dourados, MS 7984-970, Brazil
| | - Montcharles S Pontes
- Department of Plant Resources, Natural Resources Program (PGRN), Mato Grosso do Sul State University (UEMS), P.O. Box 351, Dourados, MS 7984-970, Brazil
| | - Etenaldo F Santiago
- Department of Plant Resources, Natural Resources Program (PGRN), Mato Grosso do Sul State University (UEMS), P.O. Box 351, Dourados, MS 7984-970, Brazil
| | - Antonio R Fiorucci
- Department of Analytical Chemistry, Natural Resources Program (PGRN), Mato Grosso do Sul State University (UEMS), P.O. Box 351, Dourados, MS 7984-970, Brazil
| | - Gilberto J Arruda
- Department of Analytical Chemistry, Natural Resources Program (PGRN), Mato Grosso do Sul State University (UEMS), P.O. Box 351, Dourados, MS 7984-970, Brazil.
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Suppa A, Kvist J, Li X, Dhandapani V, Almulla H, Tian AY, Kissane S, Zhou J, Perotti A, Mangelson H, Langford K, Rossi V, Brown JB, Orsini L. Roundup causes embryonic development failure and alters metabolic pathways and gut microbiota functionality in non-target species. MICROBIOME 2020; 8:170. [PMID: 33339542 PMCID: PMC7780628 DOI: 10.1186/s40168-020-00943-5] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 11/09/2020] [Indexed: 05/27/2023]
Abstract
BACKGROUND Research around the weedkiller Roundup is among the most contentious of the twenty-first century. Scientists have provided inconclusive evidence that the weedkiller causes cancer and other life-threatening diseases, while industry-paid research reports that the weedkiller has no adverse effect on humans or animals. Much of the controversial evidence on Roundup is rooted in the approach used to determine safe use of chemicals, defined by outdated toxicity tests. We apply a system biology approach to the biomedical and ecological model species Daphnia to quantify the impact of glyphosate and of its commercial formula, Roundup, on fitness, genome-wide transcription and gut microbiota, taking full advantage of clonal reproduction in Daphnia. We then apply machine learning-based statistical analysis to identify and prioritize correlations between genome-wide transcriptional and microbiota changes. RESULTS We demonstrate that chronic exposure to ecologically relevant concentrations of glyphosate and Roundup at the approved regulatory threshold for drinking water in the US induce embryonic developmental failure, induce significant DNA damage (genotoxicity), and interfere with signaling. Furthermore, chronic exposure to the weedkiller alters the gut microbiota functionality and composition interfering with carbon and fat metabolism, as well as homeostasis. Using the "Reactome," we identify conserved pathways across the Tree of Life, which are potential targets for Roundup in other species, including liver metabolism, inflammation pathways, and collagen degradation, responsible for the repair of wounds and tissue remodeling. CONCLUSIONS Our results show that chronic exposure to concentrations of Roundup and glyphosate at the approved regulatory threshold for drinking water causes embryonic development failure and alteration of key metabolic functions via direct effect on the host molecular processes and indirect effect on the gut microbiota. The ecological model species Daphnia occupies a central position in the food web of aquatic ecosystems, being the preferred food of small vertebrates and invertebrates as well as a grazer of algae and bacteria. The impact of the weedkiller on this keystone species has cascading effects on aquatic food webs, affecting their ability to deliver critical ecosystem services. Video Abstract.
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Affiliation(s)
- Antonio Suppa
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
- Department of Chemistry, Life Sciences and Environmental Sustainability University of Parma, Department of Life Sciences, Viale Usberti, 11/A, Parma, Italy
| | - Jouni Kvist
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT UK
| | - Xiaojing Li
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
| | - Vignesh Dhandapani
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
| | - Hanan Almulla
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
| | | | - Stephen Kissane
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
| | - Jiarui Zhou
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
| | - Alessio Perotti
- School of Biosciences, University of Birmingham, Birmingham, B15 2TT UK
| | | | | | - Valeria Rossi
- Department of Chemistry, Life Sciences and Environmental Sustainability University of Parma, Department of Life Sciences, Viale Usberti, 11/A, Parma, Italy
| | - James B. Brown
- Environmental Bioinformatics, Centre for Computational Biology, School of Biosciences, University of Birmingham Edgbaston, Birmingham, B15 2TT UK
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
- Statistics Department, University of California, Berkeley, Berkeley, CA, 94720 USA, Preminon LLC, Rodeo, CA 94572 USA
| | - Luisa Orsini
- Environmental Genomics Group, School of Biosciences, the University of Birmingham, Birmingham, B15 2TT UK
- Environmental Genomics and Systems Biology Division, Lawrence Berkeley National Laboratory, Berkeley, CA 94720 USA
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Dhamu VN, Prasad S. ElectrochemSENSE: A platform towards field deployable direct on-produce glyphosate detection. Biosens Bioelectron 2020; 170:112609. [PMID: 33070097 DOI: 10.1016/j.bios.2020.112609] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 08/31/2020] [Accepted: 09/11/2020] [Indexed: 10/24/2022]
Abstract
Glyphosate is an organophosphorus herbicide that is applied to the leaves of plants and crops to kill broadleaf plants and grasses. In this paper, for the first time, a field deployable, user-friendly, portable and rapid electrochemical pesticide sensing system is presented that can screen for glyphosate in produce run-off/extract. ElectrochemSENSE comprises the following parts: A polymer based disposable substrate with metallized electrodes that are surface treated with polyclonal antibodies of glyphosate and a custom electronic reader capable of reporting pesticide contamination. Utilizing the principles of capacitive current changes due to selective binding of glyphosate to its capture probe, reporting was achieved rapidly (in under 5 min). ElectrochemSENSE was tested to screen for glyphosate concentrations on produce samples above or below the globally accepted metric criterion, otherwise known as the Maximum Residue Level (MRL). Experiments were conducted on 4 produce types-apples (MRL: 0.2 ppm), strawberries (MRL: 0.2 ppm), bell peppers (MRL: 0.1 ppm) and carrots (MRL: 5 ppm). To further add functionality and increase prediction accuracy- a machine learning binary classifier was integrated with the device as a proof-of-concept so that sensor's response can be trained and characterized to perform with high accuracy, thereby serving as an analytics medium which minimizes error rate. Utilizing this system-the sensor's limit of detection has been determined to be 0.01 ppm (10 ng/mL) considering the permissible Field Operating Range (FOR) for glyphosate residue in various tested produce.
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Affiliation(s)
- Vikram Narayanan Dhamu
- Department of Bioengineering, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, 75080, TX, United States
| | - Shalini Prasad
- Department of Bioengineering, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, 75080, TX, United States.
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Shrivastava S, Kumar A, Verma N, Chen B, Chang C. Voltammetric Detection of Aqueous Glyphosate on a Copper and Poly(Pyrrole)‐electromodified Activated Carbon Fiber. ELECTROANAL 2020. [DOI: 10.1002/elan.202060408] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Surabhi Shrivastava
- Department of Chemical Engineering Indian Institute of Technology Kanpur Kanpur 208016 India
| | - Arun Kumar
- Department of Chemical Engineering Indian Institute of Technology Kanpur Kanpur 208016 India
| | - Nishith Verma
- Department of Chemical Engineering Indian Institute of Technology Kanpur Kanpur 208016 India
- Center for Environmental Science and Engineering Indian Institute of Technology Kanpur Kanpur 208016 India
| | - Bor‐Yann Chen
- Department of Chemical and Materials Engineering National I–Lan University I-Lan 26047 Taiwan
| | - Chang‐Tang Chang
- Department of Environmental Engineering National I–Lan University I-Lan 26047 Taiwan
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Do MH, Dubreuil B, Peydecastaing J, Vaca-Medina G, Nhu-Trang TT, Jaffrezic-Renault N, Behra P. Chitosan-Based Nanocomposites for Glyphosate Detection Using Surface Plasmon Resonance Sensor. SENSORS 2020; 20:s20205942. [PMID: 33096666 PMCID: PMC7589946 DOI: 10.3390/s20205942] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/12/2020] [Accepted: 10/14/2020] [Indexed: 01/28/2023]
Abstract
This article describes an optical method based on the association of surface plasmon resonance (SPR) with chitosan (CS) film and its nanocomposites, including zinc oxide (ZnO) or graphene oxide (GO) for glyphosate detection. CS and CS/ZnO or CS/GO thin films were deposited on an Au chip using the spin coating technique. The characterization, morphology, and composition of these films were performed by Fourier-transform infrared spectroscopy (FTIR), atomic force microscopy (AFM), and contact angle technique. Sensor preparation conditions including the cross-linking and mobile phase (pH and salinity) were investigated and thoroughly optimized. Results showed that the CS/ZnO thin-film composite provides the highest sensitivity for glyphosate sensing with a low detection limit of 8 nM and with high reproducibility. From the Langmuir-type adsorption model and the effect of ionic strength, the adsorption mechanisms of glyphosate could be controlled by electrostatic and steric interaction with possible formation of 1:1 outer-sphere surface complexes. The selectivity of the optical method was investigated with respect to the sorption of glyphosate metabolite (aminomethylphosphonic acid) (AMPA), glufosinate, and one of the glufonisate metabolites (3-methyl-phosphinico-propionic acid) (MPPA). Results showed that the SPR sensor offers a very good selectivity for glyphosate, but the competition of other molecules could still occur in aqueous systems.
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Affiliation(s)
- Minh Huy Do
- Laboratoire de Chimie Agro-industrielle, LCA, Université de Toulouse, INRAE, 31030 Toulouse CEDEX 4, France; (M.H.D.); (B.D.); (J.P.); (G.V.-M.)
- “Water–Environment–Oceanography” Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), 100000 Hanoi, Vietnam
| | - Brigitte Dubreuil
- Laboratoire de Chimie Agro-industrielle, LCA, Université de Toulouse, INRAE, 31030 Toulouse CEDEX 4, France; (M.H.D.); (B.D.); (J.P.); (G.V.-M.)
| | - Jérôme Peydecastaing
- Laboratoire de Chimie Agro-industrielle, LCA, Université de Toulouse, INRAE, 31030 Toulouse CEDEX 4, France; (M.H.D.); (B.D.); (J.P.); (G.V.-M.)
| | - Guadalupe Vaca-Medina
- Laboratoire de Chimie Agro-industrielle, LCA, Université de Toulouse, INRAE, 31030 Toulouse CEDEX 4, France; (M.H.D.); (B.D.); (J.P.); (G.V.-M.)
- Centre d’Application et de Traitement des Agroressources (CATAR), Université de Toulouse, 31030 Toulouse CEDEX 4, France
| | - Tran-Thi Nhu-Trang
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University (NTTU), 700000 Ho Chi Minh, Vietnam;
| | - Nicole Jaffrezic-Renault
- Institute of Analytical Sciences, UMR 5280 CNRS-Université Claude Bernard, 69100 Villeurbanne, France;
| | - Philippe Behra
- Laboratoire de Chimie Agro-industrielle, LCA, Université de Toulouse, INRAE, 31030 Toulouse CEDEX 4, France; (M.H.D.); (B.D.); (J.P.); (G.V.-M.)
- “Water–Environment–Oceanography” Department, University of Science and Technology of Hanoi (USTH), Vietnam Academy of Science and Technology (VAST), 100000 Hanoi, Vietnam
- Correspondence:
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Hill A, Tait S, Baillie C, Virdis B, McCabe B. Microbial electrochemical sensors for volatile fatty acid measurement in high strength wastewaters: A review. Biosens Bioelectron 2020; 165:112409. [DOI: 10.1016/j.bios.2020.112409] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 06/17/2020] [Accepted: 06/22/2020] [Indexed: 12/29/2022]
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N'Guetta PEY, Fink MM, Rizk SS. Engineering a fluorescence biosensor for the herbicide glyphosate. Protein Eng Des Sel 2020; 33:gzaa021. [PMID: 32930799 DOI: 10.1093/protein/gzaa021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 03/25/2020] [Accepted: 07/24/2020] [Indexed: 11/13/2022] Open
Abstract
Glyphosate, the active ingredient in RoundUp, is the most widely used herbicide on the globe, and has recently been linked to an increased risk in non-Hodgkin's lymphoma in exposed individuals. Therefore, detection and monitoring of glyphosate levels in water and soil is important for public safety. Here, we describe a biosensor for glyphosate based on an engineered Escherichia coli phosphonate-binding protein (PhnD). Mutations in the binding pocket were introduced to convert PhnD into a glyphosate-binding protein. A fluorescence group attached near the hinge of the protein was added to monitor binding of glyphosate and to determine its concentration in unknown samples. The resulting engineered biosensor can detect glyphosate in tap water and in soil samples treated with the herbicide at submicromolar concentrations, well below the limit for drinking water in the USA. Incorporating this biosensor in a device would allow rapid and continuous monitoring of glyphosate in water and soil samples.
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Affiliation(s)
| | - Maggie M Fink
- Department of Chemistry and Biochemistry, Indiana University, South Bend, IN 46615, USA
| | - Shahir S Rizk
- Department of Chemistry and Biochemistry, Indiana University, South Bend, IN 46615, USA
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Galaço ARBS, Jesus LT, Freire RO, de Oliveira M, Serra OA. Experimental and Theoretical Studies of Glyphosate Detection in Water by an Europium Luminescent Complex and Effective Adsorption by HKUST-1 and IRMOF-3. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:9664-9672. [PMID: 32786836 DOI: 10.1021/acs.jafc.0c03574] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Designing an effective and simple detection method to quantify glyphosate (GLY) herbicide is desirable. Current chromatography-mass spectrometry and electrochemical methods can be used for this purpose, but these methods are difficult to be made portable and need high-cost equipment. Here, we evaluate a luminescent β-diketonate-Eu-ethylenediaminetetraacetic acid complex for GLY quantification in aqueous media on the basis of the luminescent quenching process. This complex successfully measured GLY at concentrations ranging from 5 × 10-7 to 10-5 mol L-1. Theoretical methods (LUMPAC) are also performed to identify the complex most probable structure in solution. We also demonstrate that the metal-organic frameworks HKUST-1 and IRMOF-3, easily synthesized, effectively adsorb GLY in water in about 30 min of contact.
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Affiliation(s)
- Ayla R B S Galaço
- Chemistry Department, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo, Avenida Bandeirantes 3900, 14040-901 Ribeirão Preto, São Paulo, Brazil
| | - Larissa T Jesus
- Pople Computational Chemistry Laboratory, Chemistry Department, Federal University of Sergipe, 49100-000 Aracaju, Sergipe, Brazil
| | - Ricardo O Freire
- Pople Computational Chemistry Laboratory, Chemistry Department, Federal University of Sergipe, 49100-000 Aracaju, Sergipe, Brazil
| | - Marcos de Oliveira
- São Carlos Institute of Physics, University of São Paulo, Avenida Trabalhador São Carlense 400, 13566-590 São Carlos, São Paulo, Brazil
| | - Osvaldo A Serra
- Chemistry Department, Faculty of Philosophy, Sciences and Letters at Ribeirão Preto (FFCLRP), University of São Paulo, Avenida Bandeirantes 3900, 14040-901 Ribeirão Preto, São Paulo, Brazil
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Zhang C, Liang X, Lu Y, Li H, Xu X. Performance of CuAl-LDH/Gr Nanocomposite-Based Electrochemical Sensor with Regard to Trace Glyphosate Detection in Water. SENSORS (BASEL, SWITZERLAND) 2020; 20:E4146. [PMID: 32722519 PMCID: PMC7435834 DOI: 10.3390/s20154146] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 07/19/2020] [Accepted: 07/23/2020] [Indexed: 12/19/2022]
Abstract
Glyphosate, which has been widely reported to be a toxic pollutant, is often present at trace amounts in the environment. In this study, a novel copper-aluminum metal hydroxide doped graphene nanoprobe (labeled as CuAl-LDH/Gr NC) was first developed to construct a non-enzymatic electrochemical sensor for detection trace glyphosate. The characterization results showed that the synthesized CuAl-LDH had a high-crystallinity flowered structure, abundant metallic bands and an intercalated functional group. After mixed with Gr, the nanocomposites provided a larger surface area and better conductivity. The as-prepared CuAl-LDH/Gr NC dramatically improved the enrichment capability for glyphosate to realize the stripping voltammetry detection. The logarithmic linear detection range of the sensor was found to be 2.96 × 10-9-1.18 × 10-6 mol L-1 with the detection limit of 1 × 10-9 mol L-1 with excellent repeatability, good stability and anti-interference ability. Further, the sensor achieved satisfactory recovery rates in spiked surface water, ranging from 97.64% to 108.08%, demonstrating great accuracy and practicality.
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Affiliation(s)
- Chuxuan Zhang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; (C.Z.); (X.X.)
| | - Xinqiang Liang
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; (C.Z.); (X.X.)
- Key Laboratory of Water Pollution Control and Environmental Security Technology, Hangzhou 310058, China
| | - Yuanyuan Lu
- Physical and Theoretical Chemistry Laboratory, University of Oxford, Oxford OX1 3QZ, UK;
| | - Hua Li
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, China;
| | - Xiangyang Xu
- College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China; (C.Z.); (X.X.)
- Key Laboratory of Water Pollution Control and Environmental Security Technology, Hangzhou 310058, China
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40
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Biçer E, Pehlivan V. Voltammetric, FTIR Spectroscopic and Thermal Analysis Studies on Adduct Formations of Rifampicin with Soft Nucleophiles Cysteine and Glutathione. RUSS J ELECTROCHEM+ 2020. [DOI: 10.1134/s1023193520070022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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41
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Noori JS, Mortensen J, Geto A. Recent Development on the Electrochemical Detection of Selected Pesticides: A Focused Review. SENSORS 2020; 20:s20082221. [PMID: 32326400 PMCID: PMC7218881 DOI: 10.3390/s20082221] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 04/09/2020] [Accepted: 04/11/2020] [Indexed: 12/28/2022]
Abstract
Pesticides are heavily used in agriculture to protect crops from diseases, insects, and weeds. However, only a fraction of the used pesticides reaches the target and the rest slips through the soil, causing the contamination of ground- and surface water resources. Given the emerging interest in the on-site detection of analytes that can replace traditional chromatographic techniques, alternative methods for pesticide measuring have recently encountered remarkable attention. This review gives a focused overview of the literature related to the electrochemical detection of selected pesticides. Here, we focus on the electrochemical detection of three important pesticides; glyphosate, lindane and bentazone using a variety of electrochemical detection techniques, electrode materials, electrolyte media, and sample matrix. The review summarizes the different electrochemical studies and provides an overview of the analytical performances reported such as; the limits of detection and linearity range. This article highlights the advancements in pesticide detection of the selected pesticides using electrochemical methods and point towards the challenges and needed efforts to achieve electrochemical detection suitable for on-site applications.
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Affiliation(s)
- Jafar Safaa Noori
- IPM—Intelligent Pollutant Monitoring ApS, 2690 Karlslunde, Denmark
- Correspondence:
| | - John Mortensen
- Department of Science and Environment, Roskilde University, 4000 Roskilde, Denmark
| | - Alemnew Geto
- IPM—Intelligent Pollutant Monitoring ApS, 2690 Karlslunde, Denmark
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42
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Survila A, Kanapeckaitė S. On the application of electrogenerated copper ions in environmental analytical chemistry – The nature and properties of anodic current peaks. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114035] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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43
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Regiart M, Kumar A, Gonçalves JM, Silva Junior GJ, Masini JC, Angnes L, Bertotti M. An Electrochemically Synthesized Nanoporous Copper Microsensor for Highly Sensitive and Selective Determination of Glyphosate. ChemElectroChem 2020. [DOI: 10.1002/celc.202000064] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Matias Regiart
- Laboratório de Sensores Eletroquímicos e Métodos Eletroanalíticos Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
| | - Abhishek Kumar
- Laboratório de Sensores Eletroquímicos e Métodos Eletroanalíticos Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
- Current address: Institut de Chimie Moléculaire de l'Université de Bourgogne (ICMUB), UMR CNRS 6302 Université Bourgogne Franche-Comté 9 avenue Alain Savary 21078 Dijon cedex France
| | - Josué M. Gonçalves
- Laboratório de Automação e Instrumentação Analítica Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
| | - Gilberto J. Silva Junior
- Laboratório de Sensores Eletroquímicos e Métodos Eletroanalíticos Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
| | - Jorge César Masini
- Laboratório de Química Analítica Ambiental Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
| | - Lúcio Angnes
- Laboratório de Automação e Instrumentação Analítica Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
| | - Mauro Bertotti
- Laboratório de Sensores Eletroquímicos e Métodos Eletroanalíticos Department of Fundamental Chemistry, Institute of Chemistry University of São Paulo Av. Professor Lineu Prestes 748 05513-970 São Paulo – SP Brazil
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Geto A, Noori JS, Mortensen J, Svendsen WE, Dimaki M. Electrochemical determination of bentazone using simple screen-printed carbon electrodes. ENVIRONMENT INTERNATIONAL 2019; 129:400-407. [PMID: 31152981 DOI: 10.1016/j.envint.2019.05.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/17/2019] [Accepted: 05/05/2019] [Indexed: 06/09/2023]
Abstract
Bentazone is one of the most problematic pesticides polluting groundwater resources. It is on the list of pesticides that are mandatory to analyze at water work controls. The current pesticide measuring approach includes manual water sampling and time-consuming chromatographical quantification of the bentazone content at centralized laboratories. Here, we report the use of an electrochemical approach for analytical determination of bentazone that takes 10 s. The electrochemical electrodes were manually screen printed, resulting in the low-cost fabrication of the sensors. The current response was linearly proportional to the bentazone concentration with a R2 ~ 0.999. We demonstrated a sensitivity of 0.0987 μA/μM and a limit of detection of 0.034 μM, which is below the U.S. Health Advisory level. Furthermore, the sensors have proved to be reusable and stable with a drop of only 2% after 15 times reuse. The sensors have been applied to successfully quantify bentazone spiked in real groundwater and lake water. The sensing method presented here is a step towards on-site application of electrochemical detection of pesticides in water sources.
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Affiliation(s)
- Alemnew Geto
- IPM - Intelligent Pollutant Monitoring ApS, 2690 Karlslunde, Denmark
| | - Jafar Safaa Noori
- IPM - Intelligent Pollutant Monitoring ApS, 2690 Karlslunde, Denmark; Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark.
| | - John Mortensen
- Department of Science and Environment, Roskilde University, 4000 Roskilde, Denmark
| | - Winnie E Svendsen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
| | - Maria Dimaki
- Department of Biotechnology and Biomedicine, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
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Spectrophotometric Detection of Glyphosate in Water by Complex Formation between Bis 5-Phenyldipyrrinate of Nickel (II) and Glyphosate. WATER 2019. [DOI: 10.3390/w11040719] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
A spectrophotometric method for the determination of glyphosate based on the monitoring of a complex formation between bis 5-phenyldipyrrinate of nickel (II) and the herbicide was developed. The method showed a short response time (10 s), high selectivity (very low interference from other pesticides and salts), and high sensitivity (LOD 2.07 × 10−7 mol/L, LOQ 9.87 × 10−7 mol/L, and a Kd from 1.75 × 10−6 to 6.95 × 10−6 mol/L). The Job plot showed that complex formation occurs with a 1:1 stoichiometry. The method was successfully applied in potable, urban, groundwater, and residual-treated water samples, showing high precision (0.34–2.9%) and accuracy (87.20–119.04%). The structure of the complex was elucidated through theoretical studies demonstrating that the nickel in the bis 5-phenyldipyrrinate forms a distorted octahedral molecular geometry by expanding its coordination number through one bond with the nitrogen and another with the oxygen of the glyphosate’ carboxyl group, at distances between 1.89–2.08 Å.
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46
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Reynoso EC, Torres E, Bettazzi F, Palchetti I. Trends and Perspectives in Immunosensors for Determination of Currently-Used Pesticides: The Case of Glyphosate, Organophosphates, and Neonicotinoids. BIOSENSORS 2019; 9:E20. [PMID: 30720729 PMCID: PMC6468886 DOI: 10.3390/bios9010020] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 01/29/2019] [Accepted: 01/30/2019] [Indexed: 12/16/2022]
Abstract
Pesticides, due to their intensive use and their peculiar chemical features, can persist in the environment and enter the trophic chain, thus representing an environmental risk for the ecosystems and human health. Although there are several robust and reliable standard analytical techniques for their monitoring, the high frequency of contamination caused by pesticides requires methods for massive monitoring campaigns that are capable of rapidly detecting these compounds in many samples of different origin. Immunosensors represent a potential tool for simple, rapid, and sensitive monitoring of pesticides. Antibodies coupled to electrochemical or optical transducers have resulted in effective detection devices. In this review, the new trends in immunosensor development and the application of immunosensors for the detection of pesticides of environmental concern-such as glyphosate, organophosphates, and neonicotinoids-are described.
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Affiliation(s)
- Eduardo C Reynoso
- Posgrado en Ciencias Ambientales, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla 72570, Mexico.
| | - Eduardo Torres
- Posgrado en Ciencias Ambientales, Instituto de Ciencias, Benemérita Universidad Autónoma de Puebla, Puebla 72570, Mexico.
| | - Francesca Bettazzi
- Dipartimento di Chimica, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino (Fi), Italy.
| | - Ilaria Palchetti
- Dipartimento di Chimica, Università degli Studi di Firenze, Via della Lastruccia 3, 50019 Sesto Fiorentino (Fi), Italy.
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47
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Tsai WT. Trends in the Use of Glyphosate Herbicide and Its Relevant Regulations in Taiwan: A Water Contaminant of Increasing Concern. TOXICS 2019; 7:E4. [PMID: 30678215 PMCID: PMC6468642 DOI: 10.3390/toxics7010004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 12/26/2018] [Accepted: 01/18/2019] [Indexed: 12/26/2022]
Abstract
In Taiwan and other countries, glyphosate has been used widely as a non-selective herbicide over 40 years in crop lands and non-crop lands. However, public concerns about its environmental and health risks have increased rapidly because the International Agency for Research on Cancer (IARC) reclassified it as Group 2A (probably carcinogenic to humans) in 2015. From the viewpoints of environmental quality, food security and human health, it is necessary to regulate the release of glyphosate into the environment due to its massive use. The purpose of this case study was to analyze the historical consumption of glyphosate in Taiwan and also summarize its current regulatory measures through multi-ministerial levels. It showed that the sales quantities of glyphosate in Taiwan can be grouped into three stages, which include a ramping period (1984⁻1992), a stable period (1992⁻2007), and a declining period (2007⁻2016). These variations can be correlated with the annual price, manufacturers' promotion and other non-selective herbicide competitors (i.e., paraquat and glufosinate), as well as the excellent action features of glyphosate. It should be noted that its sales quantities significantly increased from 3200 metric tons in 2015 to 4535 metric tons in 2016 mainly due to the official announcement of paraquat ban effective in February 2019. The core regulations for protecting food security and water quality from the use of glyphosate are based on its residual limits and standards under the authorization of the Food Sanitation Management Act (FSMA) and the Water Pollution Control Act (WPCA), respectively. More importantly, there are occasional reports of contamination by herbicides (including glyphosate) in drinking water sources. Unfortunately, glyphosate is not yet considered among chemical items when evaluating drinking water quality standards in Taiwan.
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Affiliation(s)
- Wen-Tien Tsai
- Graduate Institute of Bioresources, National Pingtung University of Science and Technology, Pingtung 912, Taiwan.
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