1
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Immunochromatographic assay for the analysis of methomyl in cabbage and tomato. Food Chem 2023; 409:135273. [PMID: 36584534 DOI: 10.1016/j.foodchem.2022.135273] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 12/16/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022]
Abstract
In this study, a hapten of methomyl was designed and used to produce monoclonal antibodies (mAbs) against methomyl. Based on these mAbs, we developed an enzyme-linked immunosorbent assay (ELISA) and immunochromatographic assay (ICA) strip for the determination of methomyl residues. Results from the ELISA showed that mAb 1D10 exhibited higher affinity with an affinity constant of 2.76 × 1010 L/mol and higher sensitivity with a limit of detection (LOD) was 8.12 ng/mL. After optimizing the ICA, a visible limit of detection (vLOD) was found to be 100 ng/g and the cut-off value was 500 ng/g for methomyl in cabbage and tomato. The calculated LODs were 3.2 ng/g and 5.4 ng/g in cabbage and tomato, respectively. Moreover, results from the ICA were consistent with those of the ELISA in our recovery assay using spiked samples. Hence, the ICA method has a bright future and great prospects for the detection of methomyl in food samples.
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2
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Almeida EMF, De Souza D. Current electroanalytical approaches in the carbamates and dithiocarbamates determination. Food Chem 2023; 417:135900. [PMID: 36944296 DOI: 10.1016/j.foodchem.2023.135900] [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: 07/18/2022] [Revised: 02/16/2023] [Accepted: 03/06/2023] [Indexed: 03/17/2023]
Abstract
Pesticides are a suitable tool for controlling plagues and disease vectors. However, their inappropriate use allows for contamination of the environment, soil, water, and foods. Carbamates and dithiocarbamates pesticides present accumulative effects in the human body resulting in hormonal, neurological and reproductive disorders, and some are still suspected or proven to give carcinogenic or mutagenic effects. This review provides a current electroanalytical approach in the carbamates and dithiocarbamates determination, showing the use of voltammetric techniques such as amperometry, cyclic and linear scan, differential pulse, and square wave voltammetry, indicating their advantages, disadvantages, and perspectives in electroanalytical detection of carbamates and dithiocarbamates in natural water and foods. Also are reported the different materials used in the preparation of working electrodes since their choice has an important impact on the success of the analytical applications, resulting in suitable sensitivity, selectivity, stability, and robustness.
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Affiliation(s)
- Elis Marina Fonseca Almeida
- Laboratory of Electroanalytical Applied to Biotechnology and Food Engineering (LEABE), Chemistry Institute, Uberlândia Federal University, Major Jerônimo Street, 566, Patos de Minas, MG 38700-002, Brazil
| | - Djenaine De Souza
- Laboratory of Electroanalytical Applied to Biotechnology and Food Engineering (LEABE), Chemistry Institute, Uberlândia Federal University, Major Jerônimo Street, 566, Patos de Minas, MG 38700-002, Brazil.
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3
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Tanwar S, Singh N, Sharma A. Fabrication of Activated Carbon coated MSe2 (M=Mo, Co, and Ni) Nanocomposite Electrode for High-Performance Aqueous Asymmetric Supercapacitor. Colloids Surf A Physicochem Eng Asp 2023. [DOI: 10.1016/j.colsurfa.2023.131235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
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4
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Rachmawati A, Sanjaya AR, Putri YMTA, Gunlazuardi J, Ivandini TA. An acetylcholinesterase-based biosensor for isoprocarb using a gold nanoparticles-polyaniline modified graphite pencil electrode. ANAL SCI 2023; 39:911-923. [PMID: 36821076 DOI: 10.1007/s44211-023-00296-7] [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: 11/30/2022] [Accepted: 02/08/2023] [Indexed: 02/24/2023]
Abstract
An analysis tool for isoprocarb has been successfully developed as a biosensor system based on enzymatic inhibition of acetylcholinesterase (AChE) by isoprocarb. A gold nanoparticles-polyaniline modified graphite pencil electrode (AuNPs-PANI-GPE) was utilized to detect the change of thiocholine in the presence of isoprocarb. This electrode was prepared by two cyclic voltammetry steps, including the electro-polymerization of aniline on a graphite pencil and the electro-deposition of gold nanoparticles on the polyaniline surface. Characterization performed by SEM-EDX indicates that 8-80 nm size of gold nanoparticles could be deposited on the surface of polyaniline-modified graphite pencil (PANI-GPE). Electrochemical characterization using cyclic voltammetry suggested that the active surface area of the prepared electrode was 0.17019 cm2, which was about 4 times higher than (PANI-GPE) and 13 times higher than the unmodified GPE. Furthermore, an oxidation peak of thiocholine could be observed at the modified GPE at a potential of + 0.675 V (vs. Ag/AgCl), formed by an enzymatic reaction of AChE in the presence of acetylthiocholine. This peak current was found to linearly increase with acetylthiocholine concentrations, while in the presence of isoprocarb in a constant concentration of AChE and acetylthiocholine the peak linearly decreases. At the optimum condition of 0.1 M phosphate buffer solution pH 7.4 containing 0.1 M KCl; 100 mU/ml AChE; and 1 mM acetylthiocholine chloride in an inhibition and contact time of 25 and 15 min, respectively, a linear calibration curve of isoprocarb in the concentration range of 0.05-1.0 μM could be provided. Estimated limits of detection and quantifications of 0.1615 nM and 0.5382 nM, respectively, with a sensitivity of 1.7771 μA/μM.mm2 could be achieved. Furthermore, an excellent stability for 8 times measurements was observed with an RSD of 4.87%, suggesting that the developed tool is promising for the real detection of isoprocarb.
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Affiliation(s)
- Anita Rachmawati
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, 16424, Indonesia
| | - Afiten Rahmin Sanjaya
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, 16424, Indonesia
| | | | - Jarnuzi Gunlazuardi
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, 16424, Indonesia
| | - Tribidasari A Ivandini
- Department of Chemistry, Faculty of Mathematics and Natural Sciences, Universitas Indonesia, Depok, 16424, Indonesia.
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5
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Šelešovská R, Sokolová R, Krejčová K, Schwarzová-Pecková K, Mikysek T, Matvieiev O. Electrochemical behavior of fungicide tebuconazole and its voltammetric determination on an oxygen-terminated boron-doped diamond electrode. J Electroanal Chem (Lausanne) 2023. [DOI: 10.1016/j.jelechem.2023.117155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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6
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Singh R, Kumar N, Mehra R, Walia A, Kumar H, Sharma K, Thakur A. Colorimetric assay for visual determination of imidacloprid in water and fruit samples using asparagine modified gold nanoparticles. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2022. [DOI: 10.1007/s13738-021-02334-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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7
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Hassan MH, Khan R, Andreescu S. Advances in electrochemical detection methods for measuring contaminants of emerging concerns. ELECTROCHEMICAL SCIENCE ADVANCES 2021. [DOI: 10.1002/elsa.202100184] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Affiliation(s)
- Mohamed H. Hassan
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam New York USA
| | - Reem Khan
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam New York USA
| | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science Clarkson University Potsdam New York USA
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8
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Cirocka A, Zarzeczańska D, Wcisło A. Good Choice of Electrode Material as the Key to Creating Electrochemical Sensors-Characteristics of Carbon Materials and Transparent Conductive Oxides (TCO). MATERIALS 2021; 14:ma14164743. [PMID: 34443265 PMCID: PMC8400331 DOI: 10.3390/ma14164743] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 08/07/2021] [Accepted: 08/17/2021] [Indexed: 11/16/2022]
Abstract
The search for new electrode materials has become one of the goals of modern electrochemistry. Obtaining electrodes with optimal properties gives a product with a wide application potential, both in analytics and various industries. The aim of this study was to select, from among the presented electrode materials (carbon and oxide), the one whose parameters will be optimal in the context of using them to create sensors. Electrochemical impedance spectroscopy and cyclic voltammetry techniques were used to determine the electrochemical properties of the materials. On the other hand, properties such as hydrophilicity/hydrophobicity and their topological structure were determined using contact angle measurements and confocal microscopy, respectively. Based on the research carried out on a wide group of electrode materials, it was found that transparent conductive oxides of the FTO (fluorine doped tin oxide) type exhibit optimal electrochemical parameters and offer great modification possibilities. These electrodes are characterized by a wide range of work and high chemical stability. In addition, the presence of a transparent oxide layer allows for the preservation of valuable optoelectronic properties. An important feature is also the high sensitivity of these electrodes compared to other tested materials. The combination of these properties made FTO electrodes selected for further research.
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Affiliation(s)
- Anna Cirocka
- Correspondence: (A.C.); (A.W.); Tel.: +48-58523-5106 (A.C.); +48-58523-5157 (A.W.)
| | | | - Anna Wcisło
- Correspondence: (A.C.); (A.W.); Tel.: +48-58523-5106 (A.C.); +48-58523-5157 (A.W.)
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9
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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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10
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Chen ZJ, Wu HL, Xiao ZL, Fu HJ, Shen YD, Luo L, Wang H, Lei HT, Hongsibsong S, Xu ZL. Rational hapten design to produce high-quality antibodies against carbamate pesticides and development of immunochromatographic assays for simultaneous pesticide screening. JOURNAL OF HAZARDOUS MATERIALS 2021; 412:125241. [PMID: 33550127 DOI: 10.1016/j.jhazmat.2021.125241] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 01/12/2021] [Accepted: 01/23/2021] [Indexed: 06/12/2023]
Abstract
Carbamate pesticides (CPs) are the most used pesticides in agricultural production and pest control. In this study, carbofuran, isoprocarb and carbaryl were employed as models, and a general hapten strategy based on carbamate moiety recognition was proposed. Molecular modeling of the three-dimensional (3D) structure and surface electrostatic potential of the CPs indicated that the amide group formed by conjugation significantly influenced recognition by antibodies. The proposed strategy was used to obtain three sensitive and specific monoclonal antibodies (mAbs) with IC50 values of 1.4 ng/mL, 8.4 ng/mL and 13.8 ng/mL for carbofuran, isoprocarb and carbaryl, respectively. Negligible cross-reactivity (%) with analogs was observed, except for fenobucarb (84.6%) for isoprocarb. The obtained antibodies were used to develop an immunochromatographic assay (ICA) to simultaneously and quantitatively detect the three CPs. A strip reader was used to determine the limits of quantitation (LOQs) as 0.05 ng/mL (carbofuran), 31.3 ng/mL (isoprocarb) and 31.3 ng/mL (carbaryl). The recoveries of cucumber and Chinese cabbage samples ranged from 76% to 111%, with CVs from 1.3% to 10.6%, indicating good potential for the rapid simultaneous detection of multiple pesticide residues in a large batch of samples.
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Affiliation(s)
- Zi-Jian Chen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Hui-Ling Wu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Zhi-Li Xiao
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China.
| | - Hui-Jun Fu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Yu-Dong Shen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Lin Luo
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Hong Wang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Hong-Tao Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China
| | - Surat Hongsibsong
- Research Institute for Health Science, Chiang Mai University, Chiang Mai 50200, Thailand
| | - Zhen-Lin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China.
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11
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Šelešovská R, Schwarzová-Pecková K, Sokolová R, Krejčová K, Martinková-Kelíšková P. The first study of triazole fungicide difenoconazole oxidation and its voltammetric and flow amperometric detection on boron doped diamond electrode. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.138260] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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12
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Butter B, Santander P, Pizarro GDC, Oyarzún DP, Tasca F, Sánchez J. Electrochemical reduction of Cr(VI) in the presence of sodium alginate and its application in water purification. J Environ Sci (China) 2021; 101:304-312. [PMID: 33334525 DOI: 10.1016/j.jes.2020.08.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/29/2020] [Accepted: 08/29/2020] [Indexed: 06/12/2023]
Abstract
Chromium (Cr) is used in many manufacturing processes, and its release into natural waters is a major environmental problem today. Low concentrations of Cr(VI) are toxic to human health and living organisms due to the carcinogenic and mutagenic nature of this mineral. This work examined the conversion of Cr(VI) to Cr(III) via electrochemical reduction using gold electrode in an acidic sodium alginate (SA) solution and subsequent removal of the produced Cr(III)-SA by the polymer-enhanced ultrafiltration (PEUF) technique. A solution of SA in nitric acid was used both as an electrolytic medium during the voltammetric measurements and bulk electrolysis and as an extracting agent during the PEUF technique. The electroanalysis of Cr(VI) was performed by linear sweep voltammetry in the presence of acidic SA solution to study its voltammetric behavior as a function of the Cr(VI) concentration, pH, presence of Cr(III), SA concentration and scan rate. In addition, the quantitative reduction of Cr(VI) to Cr(III) was studied through the bulk electrolysis technique. The results showed efficient reduction with well-defined peaks at approximately 0.3 V vs. Ag/AgCl, using a gold working electrode. As the pH increased, the reduction signal strongly decreased until its disappearance. The optimum SA concentration was 10 mmol/L, and it was observed that the presence of Cr(III) did not interfere in the Cr(VI) electroanalysis. Through the quantitative reduction by bulk electrolysis in the presence of acidic SA solution, it was possible to reduce all Cr(VI) to Cr(III) followed by its removal via PEUF.
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Affiliation(s)
- Bryan Butter
- Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Paola Santander
- Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Guadalupe Del C Pizarro
- Departamento de Química, Universidad Tecnológica Metropolitana, J. P. Alessandri 1242, Santiago, Chile
| | - Diego P Oyarzún
- Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile; Laboratorio de Nanotecnología, Recursos Naturales y Sistemas Complejos, Facultad de Ciencias Naturales, Universidad de Atacama, Copayapu 485, Copiapó, Chile
| | - Federico Tasca
- Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile
| | - Julio Sánchez
- Facultad de Química y Biología, Universidad de Santiago de Chile, USACH, Casilla 40, Correo 33, Santiago, Chile.
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Carbamate C-N Hydrolase Gene ameH Responsible for the Detoxification Step of Methomyl Degradation in Aminobacter aminovorans Strain MDW-2. Appl Environ Microbiol 2020; 87:AEM.02005-20. [PMID: 33097501 DOI: 10.1128/aem.02005-20] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 10/14/2020] [Indexed: 12/20/2022] Open
Abstract
Methomyl {bis[1-methylthioacetaldehyde-O-(N-methylcarbamoyl)oximino]sulfide} is a highly toxic oxime carbamate insecticide. Several methomyl-degrading microorganisms have been reported so far, but the role of specific enzymes and genes in this process is still unexplored. In this study, a protein annotated as a carbamate C-N hydrolase was identified in the methomyl-degrading strain Aminobacter aminovorans MDW-2, and the encoding gene was termed ameH A comparative analysis between the mass fingerprints of AmeH and deduced proteins of the strain MDW-2 genome revealed AmeH to be a key enzyme of the detoxification step of methomyl degradation. The results also demonstrated that AmeH was a functional homodimer with a subunit molecular mass of approximately 34 kDa and shared the highest identity (27%) with the putative formamidase from Schizosaccharomyces pombe ATCC 24843. AmeH displayed maximal enzymatic activity at 50°C and pH 8.5. Km and k cat of AmeH for methomyl were 87.5 μM and 345.2 s-1, respectively, and catalytic efficiency (k cat/Km ) was 3.9 μM-1 s-1 Phylogenetic analysis revealed AmeH to be a member of the FmdA_AmdA superfamily. Additionally, five key amino acid residues (162, 164, 191, 193, and 207) of AmeH were identified by amino acid variations.IMPORTANCE Based on the structural characteristic, carbamate insecticides can be classified into oxime carbamates (methomyl, aldicarb, oxamyl, etc.) and N-methyl carbamates (carbaryl, carbofuran, isoprocarb, etc.). So far, research on the degradation of carbamate pesticides has mainly focused on the detoxification step and hydrolysis of their carbamate bond. Several genes, such as cehA, mcbA, cahA, and mcd, and their encoding enzymes have also been reported to be involved in the detoxification step. However, none of these enzymes can hydrolyze methomyl. In this study, a carbamate C-N hydrolase gene, ameH, responsible for the detoxification step of methomyl in strain MDW-2 was cloned and the key amino acid sites of AmeH were investigated. These findings provide insight into the microbial degradation mechanism of methomyl.
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14
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Zheng A, Gong CB, Chow CF. Selective Detection of Methomyl Pesticide by a Catalytic Chemosensing Assay. Chemistry 2020; 26:14461-14466. [PMID: 32734646 DOI: 10.1002/chem.202002882] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Revised: 07/16/2020] [Indexed: 11/11/2022]
Abstract
The catalytic chemosensing assay (CCA), a new indicator displacement assay, was developed for selective detection of methomyl, a highly toxic pesticide. Trimetallic complex {[FeII (dmbpy)(CN)4 ]-[PtII (DMSO)Cl]2 -[RuII (bpy)2 (CN)2 ]} (1; dmbpy=4,4'-dimethyl-2,2'-bipyridine, bpy=2,2'-bipyridine) was synthesized as a task-specific catalyst to initially reduce and degrade methomyl to CH3 SH/CH3 NH2 /CH3 CN/CO2 . The thus-produced CH3 SH interacts with the trimetallic complex to displace the cis-[RuII (bpy)2 (CN)2 ] luminophore for monitoring. Other pesticides, including organophosphates and similar carbamate pesticides, remained intact under the same catalytic conditions; a selective sensing signal is only activated when 1 recognizes methomyl. Furthermore, 1 can be applied to detect methomyl in real water samples. In the luminescent mode of the assay, the method detection limit (MDL) of 1 for methomyl (LD50 =17 mg kg-1 ) was 1.12 mg L-1 .
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Affiliation(s)
- Anxun Zheng
- Department of Science and Environmental Studies, The Education University of Hong Kong, 10 Lo Ping Road, Tai Po Hong Kong SAR, P. R. China
| | - Cheng-Bin Gong
- College of Chemistry and Chemical Engineering, Southwest University, Chong Qing, P. R. China
| | - Cheuk-Fai Chow
- Department of Science and Environmental Studies, The Education University of Hong Kong, 10 Lo Ping Road, Tai Po Hong Kong SAR, P. R. China
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15
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Buledi JA, Shah ZUH, Mallah A, Solangi AR. Current Perspective and Developments in Electrochemical Sensors Modified with Nanomaterials for Environmental and Pharmaceutical Analysis. CURR ANAL CHEM 2020. [DOI: 10.2174/1573411016999201006122740] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Over the past few decades, environmental pollution has appeared to be one of the most crucial
global problems. The widespread intensification of numerous hazardous pollutants in the environment need the modern
researchers to develop viable, reproducible and cost-effective determination tools for the reliable environmental analysis.
The beneficial, as well as perilous, biological compounds are receiving growing interest due to their variable composition
which produces advantageous and toxic impacts on human and the environment. Several conventional analytical methods
have been established for the pharmaceutical and environmental analysis. However, certain drawbacks limited their
practices in the modern rapidly growing era of science and technology. The development of electrochemical sensors has
emerged as more beneficial and promising tool as against other traditional analytical approaches, in terms of simplicity,
cost-effectiveness, sensitivity, stability and reliability. Nonetheless, the over potential and low anodic/cathodic current
response are both considered as bottlenecks for the determination of electroactive entities exploiting electrochemical
sensors. Interestingly, these problems can be easily resolved by modifying the electrodes with a variety of conductive
materials, especially nanostructures.
Objective:
This review covers different electrochemical methods, reported in the literature, for the environmental and
pharmaceutical analysis through simple and cost-effective nanostructures-based sensors. The electrochemical techniques
with different modes and the modification of electrodes with highly conductive and prolific polymeric and nanostructured
materials used for the determination of different environmental and pharmaceutical samples are the main prominence of
this review. Various kinds of nanomaterials, e.g. metal, metal oxide and their composites, have been synthesized for the
fabrication of sensitive electrodes.
Conclusion:
Nanostructures played a pivotal role in the modification of electrodes, which substantially enhanced the
capability and sensitivity of electrochemical sensors. The proper modification of electrodes has materialized the swift
detection of electroactive compounds at very low limits and offered the feasible determination procedure without any kind
of signal fluctuation and over potential. In crux, due to their enhanced surface area and excellent catalytic properties,
nanomaterials recently appeared as the most promising candidates in the field of electrode modification and significantly
impacted the detection protocols for various environmental pollutants, viz. pesticides, metal ions and drugs.
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Affiliation(s)
- Jamil A. Buledi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, 76080, Jamshoro, Pakistan
| | - Zia-ul-Hassan Shah
- Department of Soil Science, Sindh Agriculture University, Tandojam, Pakistan
| | - Arfana Mallah
- M.A. Kazi Institute of Chemistry, University of Sindh, 76080, Jamshoro, Pakistan
| | - Amber R. Solangi
- National Centre of Excellence in Analytical Chemistry, University of Sindh, 76080, Jamshoro, Pakistan
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Signal optimized rough silver nanoparticle for rapid SERS sensing of pesticide residues in tea. Food Chem 2020; 338:127796. [PMID: 32805691 DOI: 10.1016/j.foodchem.2020.127796] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/24/2020] [Accepted: 08/06/2020] [Indexed: 01/19/2023]
Abstract
Trace detection of toxic chemicals in foodstuffs is of great concern in recent years. Surface-enhanced Raman scattering (SERS) has drawn significant attention in the monitoring of food safety due to its high sensitivity. This study synthesized signal optimized flower-like silver nanoparticle-(AgNP) with EF at 25 °C of 1.39 × 106 to extend the SERS application for pesticide sensing in foodstuffs. The synthesized AgNP was deployed as SERS based sensing platform to detect methomyl, acetamiprid-(AC) and 2,4-dichlorophenoxyacetic acid-(2,4-D) residue levels in green tea via solid-phase extraction. A linear correlation was twigged between the SERS signal and the concentration for methomyl, AC and 2,4-D with regression coefficient of 0.9974, 0.9956 and 0.9982 and limit of detection of 5.58 × 10-4, 1.88 × 10-4 and 4.72 × 10-3 µg/mL, respectively; the RSD value < 5% was recorded for accuracy and precision analysis suggesting that proposed method could be deployed for the monitoring of methomyl, AC and 2,4-D residue levels in green tea.
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Ribeiro FWP, de Oliveira RC, de Oliveira AG, Nascimento RF, Becker H, de Lima-Neto P, Correia AN. Electrochemical sensing of thiabendazole in complex samples using boron-doped diamond electrode. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.114179] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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18
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Lourencao BC, Brocenschi RF, Medeiros RA, Fatibello‐Filho O, Rocha‐Filho RC. Analytical Applications of Electrochemically Pretreated Boron‐Doped Diamond Electrodes. ChemElectroChem 2020. [DOI: 10.1002/celc.202000050] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Bruna C. Lourencao
- Departamento de Química Universidade Federal de São Carlos (UFSCar) C.P. 676 13560-970 São Carlos – SP Brazil
| | - Ricardo F. Brocenschi
- Centro de Estudos do Mar Universidade Federal do Paraná (UFPR) C.P. 61 83255-976 Pontal do Paraná – PR Brazil
| | - Roberta A. Medeiros
- Departamento de Química Universidade Estadual de Londrina (UEL) C.P. 10.011 86057-970 Londrina – PR Brazil
| | - Orlando Fatibello‐Filho
- Departamento de Química Universidade Federal de São Carlos (UFSCar) C.P. 676 13560-970 São Carlos – SP Brazil
| | - Romeu C. Rocha‐Filho
- Departamento de Química Universidade Federal de São Carlos (UFSCar) C.P. 676 13560-970 São Carlos – SP Brazil
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19
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Oliveira TM, Ribeiro FW, Sousa CP, Salazar-Banda GR, de Lima-Neto P, Correia AN, Morais S. Current overview and perspectives on carbon-based (bio)sensors for carbamate pesticides electroanalysis. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2019.115779] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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20
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Amra S, Bataille T, Bourouina Bacha S, Bourouina M, Hauchard D. Nanostructured Modified Carbon Paste Electrode as Voltrammetric Sensor for Isoproturon Trace Analysis in Water. ELECTROANAL 2020. [DOI: 10.1002/elan.201900083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Siham Amra
- Département de ChimieFaculté des Sciences ExactesUniversité A. Mira Bejaia 06000 Algérie
- Univ RennesENSC RennesCNRS, ISCR-UMR6226 F-35000 Rennes France
| | | | - Saliha Bourouina Bacha
- Département de Génie des procédésFaculté de technologieUniversité A. Mira Bejaia 06000 Algérie
| | - Mustapha Bourouina
- Département de ChimieFaculté des Sciences ExactesUniversité A. Mira Bejaia 06000 Algérie
| | - Didier Hauchard
- Univ RennesENSC RennesCNRS, ISCR-UMR6226 F-35000 Rennes France
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21
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Xiang H, Cai Q, Li Y, Zhang Z, Cao L, Li K, Yang H. Sensors Applied for the Detection of Pesticides and Heavy Metals in Freshwaters. JOURNAL OF SENSORS 2020; 2020:1-22. [DOI: 10.1155/2020/8503491] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Water is essential for every life living on the planet. However, we are facing a more serious situation such as water pollution since the industrial revolution. Fortunately, many efforts have been done to alleviate/restore water quality in freshwaters. Numerous sensors have been developed to monitor the dynamic change of water quality for ecological, early warning, and protection reasons. In the present review, we briefly introduced the pollution status of two major pollutants, i.e., pesticides and heavy metals, in freshwaters worldwide. Then, we collected data on the sensors applied to detect the two categories of pollutants in freshwaters. Special focuses were given on the sensitivity of sensors indicated by the limit of detection (LOD), sensor types, and applied waterbodies. Our results showed that most of the sensors can be applied for stream and river water. The average LOD was72.53±12.69 ng/ml (n=180) for all pesticides, which is significantly higher than that for heavy metals (65.36±47.51 ng/ml,n=117). However, the LODs of a considerable part of pesticides and heavy metal sensors were higher than the criterion maximum concentration for aquatic life or the maximum contaminant limit concentration for drinking water. For pesticide sensors, the average LODs did not differ among insecticides (63.83±17.42 ng/ml,n=87), herbicides (98.06±23.39 ng/ml,n=71), and fungicides (24.60±14.41 ng/ml,n=22). The LODs that differed among sensor types with biosensors had the highest sensitivity, while electrochemical optical and biooptical sensors showed the lowest sensitivity. The sensitivity of heavy metal sensors varied among heavy metals and sensor types. Most of the sensors were targeted on lead, cadmium, mercury, and copper using electrochemical methods. These results imply that future development of pesticides and heavy metal sensors should (1) enhance the sensitivity to meet the requirements for the protection of aquatic ecosystems and human health and (2) cover more diverse pesticides and heavy metals especially those toxic pollutants that are widely used and frequently been detected in freshwaters (e.g., glyphosate, fungicides, zinc, chromium, and arsenic).
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Affiliation(s)
- Hongyong Xiang
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin 130024, China
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan 650500, China
| | - Qinghua Cai
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Yuan Li
- Northwest Land and Resources Research Center, Shaanxi Normal Northwest University, China
| | - Zhenxing Zhang
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin 130024, China
- State Environmental Protection Key Laboratory of Wetland Ecology and Vegetation Restoration, Northeast Normal University, Changchun, Jilin 130024, China
| | - Lina Cao
- Ecology and Environment Department of Jilin Province, Changchun, Jilin 130024, China
| | - Kun Li
- Heilongjiang Provincial Key Laboratory of Ecological Restoration and Resource Utilization for Cold Region, Heilongjiang University, Harbin 150080, China
| | - Haijun Yang
- Key Laboratory of Vegetation Ecology, Ministry of Education, Institute of Grassland Science, Northeast Normal University, Changchun, Jilin 130024, China
- Institute for Ecological Research and Pollution Control of Plateau Lakes, School of Ecology and Environmental Science, Yunnan University, Kunming, Yunnan 650500, China
- School of Life Science and Geology, Yili Normal University, Yili, Xinjiang 835000, China
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22
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Zeng S, Wei Q, Long H, Meng L, Ma L, Cao J, Li H, Yu Z, Lin CT, Zhou K, Sharel Pei E. Annealing temperature regulating the dispersity and composition of nickel-carbon nanoparticles for enhanced glucose sensing. J Electroanal Chem (Lausanne) 2020. [DOI: 10.1016/j.jelechem.2020.113827] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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23
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Baluchová S, Daňhel A, Dejmková H, Ostatná V, Fojta M, Schwarzová-Pecková K. Recent progress in the applications of boron doped diamond electrodes in electroanalysis of organic compounds and biomolecules – A review. Anal Chim Acta 2019; 1077:30-66. [DOI: 10.1016/j.aca.2019.05.041] [Citation(s) in RCA: 110] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/01/2019] [Accepted: 05/18/2019] [Indexed: 02/08/2023]
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24
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Rujiralai T, Cheewasedtham W, Jayeoye TJ, Kaewsara S, Plaisen S. Hydrolyzed Product Mediated Aggregation of l-Cysteine-Modified Gold Nanoparticles as a Colorimetric Probe for Carbamate Residues in Chilis. ANAL LETT 2019. [DOI: 10.1080/00032719.2019.1659804] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Thitima Rujiralai
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
- Analytical Chemistry and Environment Research Unit, Division of Chemistry, Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani, Thailand
| | - Wilairat Cheewasedtham
- Analytical Chemistry and Environment Research Unit, Division of Chemistry, Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani, Thailand
| | - Titilope John Jayeoye
- Analytical Chemistry and Environment Research Unit, Division of Chemistry, Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani, Thailand
- Department of Chemistry/Biochemistry/Molecular Biology, Alex Ekwueme Federal University, Ndufu Alike Ikwo, Abakaliki, Ebonyi State, Nigeria
| | - Sujitra Kaewsara
- Department of Chemistry, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
| | - Siwat Plaisen
- Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Prince of Songkla University, Songkhla, Thailand
- Analytical Chemistry and Environment Research Unit, Division of Chemistry, Department of Science, Faculty of Science and Technology, Prince of Songkla University, Pattani, Thailand
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25
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Karabiberoğlu ŞU, Koçak ÇC, Dursun Z. Electrochemical Determination of Dicofol at Nickel Nanowire Modified Poly(p‐aminophenol) Film Electrode. ELECTROANAL 2019. [DOI: 10.1002/elan.201900095] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
| | - Çağrı Ceylan Koçak
- Dokuz Eylul UniversityBergama Vocational School 35700 Bergama, Izmir Turkey
| | - Zekerya Dursun
- Ege UniversityFaculty of Science, Department of Chemistry 35100 Bornova, İzmir Turkey
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26
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GAMA MARIANAR, MELCHERT WANESSAR, PAIXÃO THIAGOR, ROCHA FÁBIOR. An overview of the Brazilian contributions to Green Analytical Chemistry. ACTA ACUST UNITED AC 2019; 91:e20180294. [DOI: 10.1590/0001-3765201920180294] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2018] [Accepted: 04/17/2018] [Indexed: 12/11/2022]
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27
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28
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Polished silver solid amalgam electrode and cationic surfactant as tool in electroanalytical determination of methomyl pesticide. Talanta 2018; 189:389-396. [DOI: 10.1016/j.talanta.2018.07.029] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 07/09/2018] [Accepted: 07/11/2018] [Indexed: 11/18/2022]
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