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Rodriguez-Macadaeg F, Armstrong PR, Maghirang EB, Scully ED, Brabec DL, Arthur FH, Adviento-Borbe AD, Yaptenco KF, Suministrado DC. Developing a Multi-Spectral NIR LED-Based Instrument for the Detection of Pesticide Residues Containing Chlorpyrifos-Methyl in Rough, Brown, and Milled Rice. SENSORS (BASEL, SWITZERLAND) 2024; 24:4055. [PMID: 39000833 PMCID: PMC11243934 DOI: 10.3390/s24134055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/18/2024] [Accepted: 06/19/2024] [Indexed: 07/16/2024]
Abstract
A recent study showed the potential of the DA Perten 7200 NIR Spectrometer in detecting chlorpyrifos-methyl pesticide residue in rough, brown, and milled rice. However, this instrument is still lab-based and generally suited for point-of-sale testing. To provide a field-deployable version of this technique, an existing light emitting diode (LED)-based instrument that provides discrete NIR wavelength illumination and reflectance spectra over the range of 850-1550 nm was tested. Spectra were collected from rough, brown, and milled rice at different pesticide concentrations and analyzed for quantitative and qualitative measurement using partial least squares regression (PLS) and discriminant analysis (DA). Simulations for two LED-based instruments were also evaluated using corresponding segments of spectra from the DA7200 to represent LED illumination. For the simulation of the existing LED-based instrument (LEDPrototype1) fitted with 850, 910, 940, 970, 1070, 1200, 1300, 1450, and 1550 nm LED wavelengths, resulting R2 ranged from 0.52 to 0.71, and the correct classification was 70.4% to 100%. The simulation of a second LED instrument (LEDPrototype2) fitted with 980, 1050, 1200, 1300, 1450, 1550, 1600, and 1650 nm LED wavelengths showed R2 of 0.59 to 0.82 and correct classifications of 66% to 100%. These LED wavelengths were selected based on the significant wavelength regions from the PLS regression coefficients of DA7200 and the commercial availability of LED wavelengths. Results showed that it is possible to use a multi-spectral LED-based instrument to detect varying levels of chlorpyrifos-methyl pesticide residue in rough, brown, and milled rice.
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Affiliation(s)
- Fatima Rodriguez-Macadaeg
- Faculty of Institute of Agricultural and Biosystems Engineering, Don Mariano Marcos Memorial State University-North La Union Campus, Bacnotan 2515, Philippines
| | - Paul R. Armstrong
- CGAHR—Center for Grain and Animal Health Research, ARS-USDA—Agricultural Research Service, Manhattan, KS 66502, USA; (P.R.A.); (E.B.M.); (E.D.S.); (D.L.B.); (F.H.A.)
| | - Elizabeth B. Maghirang
- CGAHR—Center for Grain and Animal Health Research, ARS-USDA—Agricultural Research Service, Manhattan, KS 66502, USA; (P.R.A.); (E.B.M.); (E.D.S.); (D.L.B.); (F.H.A.)
| | - Erin D. Scully
- CGAHR—Center for Grain and Animal Health Research, ARS-USDA—Agricultural Research Service, Manhattan, KS 66502, USA; (P.R.A.); (E.B.M.); (E.D.S.); (D.L.B.); (F.H.A.)
| | - Daniel L. Brabec
- CGAHR—Center for Grain and Animal Health Research, ARS-USDA—Agricultural Research Service, Manhattan, KS 66502, USA; (P.R.A.); (E.B.M.); (E.D.S.); (D.L.B.); (F.H.A.)
| | - Frank H. Arthur
- CGAHR—Center for Grain and Animal Health Research, ARS-USDA—Agricultural Research Service, Manhattan, KS 66502, USA; (P.R.A.); (E.B.M.); (E.D.S.); (D.L.B.); (F.H.A.)
| | - Arlene D. Adviento-Borbe
- DWMRU—Delta Water Management Research, ARS-USDA—Agricultural Research Service, Jonesboro, AR 72467, USA;
| | - Kevin F. Yaptenco
- Faculty of the Institute of Agricutlural and Biosystems Engineering, University of the Philippines Los Baños, Laguna 4031, Philippines; (K.F.Y.); (D.C.S.)
| | - Delfin C. Suministrado
- Faculty of the Institute of Agricutlural and Biosystems Engineering, University of the Philippines Los Baños, Laguna 4031, Philippines; (K.F.Y.); (D.C.S.)
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Sevim C, Tsatsakis A, Taghizadehghalehjoughi A, Ozkaraca M, Kara M, Genc S, Mendil AS, Yeni Y, Nikolouzakis TK, Ozcagli E. Investigation of the miRNA levels changes to acceptable daily intake dose pesticide mixture exposure on rat mesentery and pancreas. CHEMOSPHERE 2024; 349:140712. [PMID: 38036224 DOI: 10.1016/j.chemosphere.2023.140712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/12/2023] [Accepted: 11/12/2023] [Indexed: 12/02/2023]
Abstract
Consumers are constantly exposed to a variety of chemical mixtures as part of their everyday activities and lifestyle. Food, water and commercial products are only some examples of the possible ways people get exposed to these mixtures. However, following federal and local guidelines for risk assessment related to chemical exposure, risk analysis focuses on a single substance exposure scenario and not on a mixture, as in real life. Realizing the pronounced gap of this methodology, the real-life risk simulation scenario approach tries to address this problem by investigating the possible effect of long-term exposure to chemical mixtures closely resembling the actual circumstances of modern life. As part of this effort, this study aimed to identify the cumulative effects of pesticides belonging to different classes and commonly used commercial products on long-term exposure with realistic doses. Sprague Dawley rats were given a pesticide mix of active ingredients and formulation chemicals in a daily acceptable dose (ADI) and 10xADI for 90 days. Following thorough everyday documentation of possible side-effects, after 90 days all animals were sacrificed and their organs were examined. Exposure to pesticides particularly affects the miRNA levels at that point will provide us with more information about whether they can be potential biomarkers.
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Affiliation(s)
- Cigdem Sevim
- Deparment of Medical Pharmacology, Faculty of Medicine, Kastamonu University , 37200, Kastamonu, Turkey.
| | - Aristides Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, Crete University, 71003, Heraklion, Greece.
| | - Ali Taghizadehghalehjoughi
- Deparment of Medical Pharmacology, Faculty of Medicine, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.
| | - Mustafa Ozkaraca
- Deparment of Pathology, Faculty of Veterinary, Cumhuriyet University , 58070, Sivas, Turkey.
| | - Mehtap Kara
- Deparment of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University , 34116, Istanbul, Turkey.
| | - Sidika Genc
- Deparment of Medical Pharmacology, Faculty of Medicine, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.
| | - Ali Sefa Mendil
- Deparment of Pathology, Faculty of Veterinary, Erciyes University , 38280, Kayseri, Turkey.
| | - Yesim Yeni
- Deparment of Medical Pharmacology, Faculty of Medicine, Turgut Özal University, 44210, Malatya, Turkey.
| | | | - Eren Ozcagli
- Deparment of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University , 34116, Istanbul, Turkey.
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Cui K, Zhou L, Jiang C, Yang S, Zou N, Liu F, He L, Mu W. Residue behavior and efficacy of benzothiazole in grains under different fumigation conditions. PEST MANAGEMENT SCIENCE 2023; 79:3622-3630. [PMID: 37166082 DOI: 10.1002/ps.7536] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 03/30/2023] [Accepted: 05/10/2023] [Indexed: 05/12/2023]
Abstract
BACKGROUND Benzothiazole is a potential grain fumigant for Tribolium castaneum. However, its safety profile and suitable fumigation conditions remain unknown. We therefore investigated the insecticidal efficacy, accumulation and dissipation of benzothiazole in grains (wheat, corn and rice) under different temperatures. RESULTS We established a universal detection method (modified QuEChERS coupled with GC-MS/MS) of benzothiazole residues in three grains, which provided high linearity (R2 > 0.999), sensitivity (limits of detection = 0.001 mg/kg, limits of quantification = 0.002-0.005 mg/kg), accuracy (recoveries = 88.18-118.75%) and precision (relative standard deviations < 4.78%). The insecticidal efficacy order of benzothiazole was 30 ≥ 10 > 20 °C and corn > wheat > rice. Temperature positively affected the accumulation/dissipation rate of benzothiazole. Rice was the most easily accumulated and dissipated grain for benzothiazole residues, while corn accumulated benzothiazole more than wheat but less than rice, with dissipation slower than wheat and rice. CONCLUSION Our results provide important references for the application of benzothiazole and other fumigants. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Kaidi Cui
- Henan Key Laboratory of Creation and Application of New Pesticides, College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Lin Zhou
- Henan Key Laboratory of Creation and Application of New Pesticides, College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Chaofan Jiang
- Henan Key Laboratory of Creation and Application of New Pesticides, College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Song Yang
- Jiangsu Product Quality Testing & Inspection Institute, Nanjing, China
| | - Nan Zou
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
| | - Feng Liu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
| | - Leiming He
- Henan Key Laboratory of Creation and Application of New Pesticides, College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Wei Mu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
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Yuan X, Kim CJ, Jeong WT, Kyung KS, Noh HH. Factors Affecting Incurred Pesticide Extraction in Cereals. Molecules 2023; 28:5774. [PMID: 37570743 PMCID: PMC10420941 DOI: 10.3390/molecules28155774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/28/2023] [Accepted: 07/28/2023] [Indexed: 08/13/2023] Open
Abstract
This study investigated the effect of milling on the yields of incurred residues extracted from cereals. Rice, wheat, barley, and oat were soaked in nine pesticides (acetamiprid, azoxystrobin, imidacloprid, ferimzone, etofenprox, tebufenozide, clothianidin, hexaconazole, and indoxacarb), dried, milled, and passed through sieves of various sizes. The quick, easy, cheap, effective, rugged, and safe method and liquid chromatography-tandem mass spectrometry extracted and quantified the incurred pesticides, respectively. For rice and oat, the yields were higher for vortexed samples than for soaked samples. For rice, the yields improved as the extraction time increased from 1 to 5 min. The optimized method was validated based on the selectivity, limit of quantitation, linearity, accuracy, precision, and the matrix effect. For rice and barley, the average yields improved as the particle size decreased from <10 mesh to >60 mesh. For 40-60-mesh wheat and oat, all pesticides (except tebufenozide in oat) had the highest yields. For cereals, 0.5 min vortexing, 5 min extraction, and >40-mesh particle size should be used to optimize incurred pesticide extraction.
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Affiliation(s)
- Xiu Yuan
- Residual Agrochemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Wanju 55365, Republic of Korea; (X.Y.); (C.J.K.); (W.T.J.)
| | - Chang Jo Kim
- Residual Agrochemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Wanju 55365, Republic of Korea; (X.Y.); (C.J.K.); (W.T.J.)
| | - Won Tae Jeong
- Residual Agrochemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Wanju 55365, Republic of Korea; (X.Y.); (C.J.K.); (W.T.J.)
| | - Kee Sung Kyung
- Department of Environmental and Biological Chemistry, College of Agriculture, Life and Environment Science, Chungbuk National University, Cheongju 28644, Republic of Korea
| | - Hyun Ho Noh
- Residual Agrochemical Assessment Division, Department of Agro-Food Safety and Crop Protection, National Institute of Agricultural Sciences, Wanju 55365, Republic of Korea; (X.Y.); (C.J.K.); (W.T.J.)
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Rawat D, Bains A, Chawla P, Kaushik R, Yadav R, Kumar A, Sridhar K, Sharma M. Hazardous impacts of glyphosate on human and environment health: Occurrence and detection in food. CHEMOSPHERE 2023; 329:138676. [PMID: 37054847 DOI: 10.1016/j.chemosphere.2023.138676] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2023] [Revised: 04/02/2023] [Accepted: 04/11/2023] [Indexed: 05/03/2023]
Abstract
With the ever-increasing human population, farming lands are decreasing every year, therefore, for effective crop management; agricultural scientists are continually developing new strategies. However, small plants and herbs always impart a much loss in the yields of the crop and farmers are using tons of herbicides to eradicate that problem. Across the world, several herbicides are available in the market for effective crop management, however, scientists observed various environmental and health effects of the herbicides. Over the past 40 years, the herbicide glyphosate has been used extensively with the assumption of negligible effects on the environment and human health. However, in recent years, concerns have increased globally about the potential direct and indirect effects on human health due to the excessive use of glyphosate. As well, the toxicity on ecosystems and the possible effects on all living creatures have long been at the center of a complex discrepancy about the authorization for its use. The World Health Organization also further classified glyphosate as a carcinogenic toxic component and it was banned in 2017 due to numerous life-threatening side effects on human health. In the present era, the residues of banned glyphosate are more prevalent in agricultural and environmental samples which are directly affecting human health. Various reports revealed the detailed extraction process of glyphosate from different categories of the food matrix. Therefore, in the present review, to reveal the importance of glyphosate monitoring in the food matrix, we discussed the environmental and health effects of glyphosate with acute toxicity levels. Also, the effect of glyphosate on aquatic life is discussed in detail and various detection methods such as fluorescence, chromatography, and colorimetric techniques from different food samples with a limit of detection values are revealed. Overall, this review will give an in-depth insight into the various toxicological aspects and detection of glyphosate from food matrix using various advanced analytical techniques.
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Affiliation(s)
- Deeksha Rawat
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Aarti Bains
- Department of Microbiology, Lovely Professional University, Phagwara 144411, Punjab, India
| | - Prince Chawla
- Department of Food Technology and Nutrition, Lovely Professional University, Phagwara 144411, Punjab, India.
| | - Ravinder Kaushik
- School of Health Sciences, University of Petroleum and Energy Studies, Dehradun 248007, Uttrakhand, India
| | - Rahul Yadav
- Shoolini Life Sciences Pvt. Ltd., Shoolini University, Solan 173229, Himachal Pradesh, India
| | - Anil Kumar
- Department of Food Science Technology and Processing, Amity University, Mohali, Punjab-140306, India
| | - Kandi Sridhar
- Department of Food Technology, Karpagam Academy of Higher Education (Deemed to be University), Coimbatore 641021, India
| | - Minaxi Sharma
- Department of Applied Biology, University of Science and Technology, Meghalaya 793101, India.
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Zhao H, Li M, Liu X, Yang J, Li X, Chen J, Dai X, Simal-Gandara J, Kong Z, Li Z. Simultaneous determination of succinate-dehydrogenase-inhibitor fungicide traces in cereals by QuEChERS preparation and UPLC-MS/MS analysis. Food Chem 2022; 396:133708. [PMID: 35878445 DOI: 10.1016/j.foodchem.2022.133708] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 06/12/2022] [Accepted: 07/12/2022] [Indexed: 11/04/2022]
Abstract
A method for the simultaneous determination of 19 succinate dehydrogenase inhibitor (SDHI) fungicide residues in 8 kinds of cereals was established by combining UHPLC-MS/MS with the improved QuEChERS method. MgSO4 and octadecylsilane (C18) were used as the dispersive-solid phase extraction sorbent. The proposed method had good linearity in the range of 10-100 µg/L with correlation coefficients (R2 > 0.99). The limit of quantification of 19 fungicides was 10 µg/L, which is the minimum addition level of the method. The fortified recoveries of 19 SDHI fungicides at three levels were ranged from 79.57 % to 126.25 %. The developed method was utilized for the analysis of 45 real cereal samples, only 5 samples were detected with SDHI fungicides. The contents of the fungicides detected in the real samples are far lower than the MRL. The results indicated that the proposed method is reliable for detecting SDHI fungicides in cereals.
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Affiliation(s)
- Haoran Zhao
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China; State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Minmin Li
- Key Laboratory of Agro-products Quality and Safety Control in Storage and Transport Process, Ministry of Agriculture and Rural Affairs/Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xiaowei Liu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Jiajie Yang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; College Life Science & Technology, Xinjiang University, 830046 Shengli Road, Urumqi, China
| | - Xueyao Li
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; College of Food Science and Technology, Hebei Agricultural University, Baoding 071000, Hebei, China
| | - Jieyin Chen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
| | - Xiaofeng Dai
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Analytical Chemistry and Food Science Department, Faculty of Science, E32004 Ourense, Spain.
| | - Zhiqiang Kong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China; Western Agricultural Research Center, Chinese Academy of Agricultural Sciences, Changji 831100, China.
| | - Zhizhong Li
- School of Life Science and Engineering, Lanzhou University of Technology, Lanzhou 730050, China.
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Jin X, Kaw HY, Zhao J, Zou Y, He M, Li Z, Li D. NLow matrix effect pretreatment method based on gas-liquid micro-extraction technique for determining multi-class pesticides in crops. J Chromatogr A 2022; 1675:463178. [DOI: 10.1016/j.chroma.2022.463178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 05/19/2022] [Accepted: 05/25/2022] [Indexed: 10/18/2022]
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Zhang C, Wang Z, Liu S, Tan H, Zeng D, Li X. Analytical method for sequential determination of persistent herbicides and their metabolites in fish tissues by UPLC-MS/MS. CHEMOSPHERE 2022; 288:132591. [PMID: 34662632 DOI: 10.1016/j.chemosphere.2021.132591] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 10/12/2021] [Accepted: 10/14/2021] [Indexed: 06/13/2023]
Abstract
A novel and accurate liquid chromatography-tandem mass spectrometry method was developed to sequentially determine three persistent herbicides (atrazine (ATZ), acetochlor (ACE), and metolachlor (MET)) and seven characteristic metabolites (desethylatrazine (DEA), deisopropylatrazine (DIA), diaminochlorotriazine (DACT), MET-oxanilic acid (MET-OA), MET-ethanesulfonic acid (MET-ESA), ACE-ESA, and ACE-OA) in fresh fish tissues from six fish species. A modified QuEChERS method was conducted to extract the target compounds from fish tissues. Matrix-matched calibrations of the target analytes were carried out at spiking levels of 1, 10, 100, and 1000 ng g-1. The method was validated in accordance with Codex guidelines (CAC/GL 71-2009). Recoveries for the target analytes were 67-120% with relative standard deviations below 20%, and the matrix effects ranged from -58.7% to 59.3%. The limits of detection and quantitation were 0.01-1.90 and 0.02-6.35 ng g-1, respectively. Moreover, the method was successfully applied to analyze the concentrations of the target chemicals in fresh tissue samples of six fish species (n = 67) collected from four markets in Nanning City, Guangxi Province, China. The concentrations in all samples were 1.1-140.5 ng g-1. Interestingly, this study was the first to measure DEA and DIA in fish liver, and their highest concentrations were 10.7 and 14.2 ng g-1, respectively. This method provides a basis for studying the pathways of biotransformation, bioaccumulation, detoxification, and exposure patterns of ACE, ATZ, MET, and their metabolites in aquatic environments.
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Affiliation(s)
- Cuifang Zhang
- Institute of Pesticide & Environmental Toxicology, Guangxi Key Laboratory of Agro-Environment and Agro-Product Safety, Guangxi University, Nanning, 530005, China
| | - Zhuang Wang
- Institute of Pesticide & Environmental Toxicology, Guangxi Key Laboratory of Agro-Environment and Agro-Product Safety, Guangxi University, Nanning, 530005, China
| | - Sheng Liu
- Institute of Pesticide & Environmental Toxicology, Guangxi Key Laboratory of Agro-Environment and Agro-Product Safety, Guangxi University, Nanning, 530005, China
| | - Huihua Tan
- Institute of Pesticide & Environmental Toxicology, Guangxi Key Laboratory of Agro-Environment and Agro-Product Safety, Guangxi University, Nanning, 530005, China
| | - Dongqiang Zeng
- Institute of Pesticide & Environmental Toxicology, Guangxi Key Laboratory of Agro-Environment and Agro-Product Safety, Guangxi University, Nanning, 530005, China
| | - Xuesheng Li
- Institute of Pesticide & Environmental Toxicology, Guangxi Key Laboratory of Agro-Environment and Agro-Product Safety, Guangxi University, Nanning, 530005, China.
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Determination of Avermectins Residues in Soybean, Bean, and Maize Using a QuEChERS-Based Method and Ultra-High-Performance Liquid Chromatography Coupled to Tandem Mass Spectrometry. SEPARATIONS 2021. [DOI: 10.3390/separations8110214] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Soybean, maize, and bean are crops of great economic importance, but in recent years have suffered with infestations of the caterpillar Helicoverpa armigera, with the main reason being the resistance of this pest to most pesticides. Avermectin emamectin benzoate was recently released to control this pest. Other avermectins, like abamectin, doramectin, eprinomectin, and ivermectin are used in large scale because they potent acaricidal, anthelmintic, and insecticidal activities. Thus, a simple and fast method for the determination of avermectins in these crops based on a quick, easy, cheap, effective, rugged, and safe (QuEChERS) extraction procedure and ultra-high performance liquid chromatography with tandem mass spectrometry (UHPLC-MS/MS) analysis was developed and validated. For extraction, water followed by acetonitrile:isopropanol and a partition step with salts was stablished. With the clean-up step using activated EMR-Lipid, limits of detection of 1.2 μg kg−1 for abamectin, doramectin, emamectin benzoate, and ivermectin, and of 2.4 μg kg−1 for eprinomectin were achieved. The validation showed satisfactory results and the method was successfully applied to commercial samples, indicating that it is suitable for routine analysis.
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Li P, Hu J. Residual levels and dietary risk assessment of bifenthrin and dinotefuran and its major metabolites in open wheat field conditions. Biomed Chromatogr 2021; 36:e5267. [PMID: 34654060 DOI: 10.1002/bmc.5267] [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: 08/14/2021] [Revised: 09/21/2021] [Accepted: 10/08/2021] [Indexed: 11/11/2022]
Abstract
To evaluate the residual levels of bifenthrin and dinotefuran, a modified quick, easy, cheap, effective, rugged, and safe (QuEChERS) and high-performance liquid chromatography-tandem mass spectrometry method for simultaneous detection of bifenthrin and dinotefuran and its major metabolites in wheat was developed and validated. Dietary risk assessments were further performed based on the relevant residual data from 12 wheat fields, toxicology data and dietary patterns. In wheat grain and straw, the recoveries of all analytes ranged from 77 to 102% with the relative standard deviation <9.7% and the limit of quantitation 0.05 mg kg-1 . The highest terminal residue of bifenthrin in wheat grain was 0.069 mg kg-1 and dinotefuran was 0.34 mg kg-1 . Residual concentrations of bifenthrin and dinotefuran decreased to <0.05 and 0.15 mg kg-1 at 21 days (pre-harvest interval), respectively. The chronic risk quotient ranged from 6.4 to 62.7% and the acute risk quotient varied from 0.38 to 17.73%. The chronic and acute dietary risks caused by the terminal residues of the two insecticides were negligible for Chinese populations. The recommended pre-harvest interval was proposed to ensure safe wheat consumption. These data could provide a scientific reference to establish the Chinese maximum residue limit of dinotefuran in wheat.
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Affiliation(s)
- Pengfei Li
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
| | - Jiye Hu
- School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China
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11
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Bondareva L, Fedorova N. Pesticides: Behavior in Agricultural Soil and Plants. Molecules 2021; 26:5370. [PMID: 34500803 PMCID: PMC8434383 DOI: 10.3390/molecules26175370] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 09/01/2021] [Accepted: 09/01/2021] [Indexed: 11/16/2022] Open
Abstract
This review considers potential approaches to solve an important problem concerning the impact of applied pesticides of various classes on living organisms, mainly agricultural crops used as food. We used the method of multi-residual determination of several pesticides in agricultural food products with its practical application for estimating pesticides in real products and in model experiments. The distribution of the pesticide between the components of the soil-plant system was studied with a pesticide of the sulfonylureas class, i.e., rimsulfuron. Autoradiography showed that rimsulfuron inhibits the development of plants considered as weeds. Cereals are less susceptible to the effects of pesticides such as acetamiprid, flumetsulam and florasulam, while the development of legume shoots was inhibited with subsequent plant death.
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Affiliation(s)
- Lydia Bondareva
- Federal Scientific Center of Hygiene Named after F.F. Erisman, Federal Service for Surveillance on Consumer Rights Protection and Human Wellbeing, 141014 Mytischi, Moscow Region, Russia;
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12
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Cui K, Yang S, Zou N, He L, Zhang T, Liu F, Mu W. Residual behavior of the potential grain fumigant 1-octen-3-ol in wheat during fumigation and ventilation processes. PEST MANAGEMENT SCIENCE 2021; 77:2933-2938. [PMID: 33619815 DOI: 10.1002/ps.6329] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Revised: 12/10/2020] [Accepted: 02/23/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Our previous works indicated that 1-octen-3-ol has promising potential as an alternative grain fumigant. However, aside from its insecticidal efficacy, the presence of 1-octen-3-ol residues in grains must be investigated to assess its food safety profile. RESULTS A convenient and sensitive QuEChERS based GC-MS/MS method was developed to detect residues of 1-octen-3-ol in wheat. The sample pretreatment procedures were optimized. The developed method showed good linearity (R2 = 0.9999) and negligible matrix effects. The limit of detection (LOD) and limit of quantification (LOQ) for 1-octen-3-ol were 0.003 and 0.01 mg kg-1 , respectively. Recoveries at spiked concentration levels of 0.01, 0.5, 10, 100 and 200 mg kg-1 ranged from 90.8% to 112.4%, with relative standard deviations (RSDs, n = 5) ranged from 1.2 to 7.5%. In the fumigation process during wheat storage, there were positive correlations between the accumulation rate and fumigation concentration as well as between the accumulation amounts and fumigation time. In the ventilation process, temperature significantly affected the dissipation dynamics of 1-octen-3-ol in wheat, and the t1/2 values at ventilation temperatures of 30 and 5 °C for 0.1 μL mL-1 were 0.16 and 21.80 days, respectively, representing a 136-fold difference. CONCLUSION Preservers can regulate the ventilation temperature to achieve different goals, with either a long duration period for long-term storage or rapid dissipation for quick food consumption. This study provides guidance on the reasonable usage of 1-octen-3-ol on wheat and other stored grains. © 2021 Society of Chemical Industry.
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Affiliation(s)
- Kaidi Cui
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
| | - Song Yang
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
| | - Nan Zou
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
| | - Leiming He
- College of Plant Protection, Henan Agricultural University, Zhengzhou, China
| | - Tao Zhang
- Institute of Grain Storage and Logistics, Academy of National Food and Strategic Reserves Administration, Beijing, China
| | - Feng Liu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
| | - Wei Mu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an, China
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13
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Pawar UD, Pawar CD, Pansare DN, Humbe JG, Pardeshi RK. Development of HPTLC detection of synthetic pesticide carbosulfan in biological material. JPC-J PLANAR CHROMAT 2021. [DOI: 10.1007/s00764-021-00096-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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14
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Pretreatment and determination methods for benzimidazoles: An update since 2005. J Chromatogr A 2021; 1644:462068. [PMID: 33836299 DOI: 10.1016/j.chroma.2021.462068] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Revised: 03/09/2021] [Accepted: 03/11/2021] [Indexed: 01/08/2023]
Abstract
Benzimidazoles, commonly used as pesticides and veterinary drugs, have posed a threat to human health and the environment due to unreasonable use and lack of valid regulation. Therefore, an up-to-date and comprehensive summary of the pretreatment and analytical approaches in different substrates is urgently needed. The present review consequently updates and covers various newly developed pretreatment methods (e.g., cationic micellar precipitation, magnetic-solid phase extraction, hollow fiber liquid phase microextraction, disperse liquid-liquid microextraction-solidified floating organic drop, stir cake sorptive extraction, solid phase microextraction method, QuEChERS, and molecular imprinted polymer-based methods) since 2005. The review also elaborates and discusses different determination methods (e.g., newly developed HPLC and related methods, improved spectrofluorimetry methods, capillary electrophoresis, and the electrochemical sensor). Furthermore, some critical points and prospects are highlighted, to describe the trends in this area.
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15
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Ma L, Wang Y, Li H, Peng F, Qiu B, Yang Z. Development of QuEChERS-DLLME method for determination of neonicotinoid pesticide residues in grains by liquid chromatography-tandem mass spectrometry. Food Chem 2020; 331:127190. [DOI: 10.1016/j.foodchem.2020.127190] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 04/02/2020] [Accepted: 05/28/2020] [Indexed: 12/18/2022]
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16
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Shen S, Chen M, Wang X, Fei T, Yang D, Cao M, Wu D. Residue measurement of pendimethalin in tobacco by using heart-cutting two dimensional liquid chromatography coupled with tandem mass spectrometry. J Sep Sci 2020; 43:3467-3473. [PMID: 32627424 DOI: 10.1002/jssc.202000323] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Revised: 06/23/2020] [Accepted: 06/29/2020] [Indexed: 11/07/2022]
Abstract
A novel heart-cutting two-dimensional liquid chromatography coupled with tandem mass spectrometry method was developed for quantitative analysis of pendimethalin residue in tobacco. The strategy of reversed phase liquid chromatography coupled with another reversed-phase liquid chromatography was employed for high column efficiency and excellent compatibility of mobile phase. In the first dimensional chromatography, a cyano column with methanol/water as the eluent was applied to separate pendimethalin from thousands of interference components in tobacco. By heart-cutting technique, which effectively removed interference components, the target compound was cut to the second dimensional C18 column for further separation. The pendimethalin residue was finally determined by the tandem mass spectrometry under multiple reaction monitoring reversed-phase liquid chromatography mode. Sample pretreatment of the new method was simplified, involving only extraction and filtration. Compared with traditional methodologies, the new method showed fairly high selectivity and sensitivity with almost no matrix interference. The limit of quantitation for pendimethalin was 1.21 ng/mL, whereas the overall recoveries ranged from 95.7 to 103.3%. The new method has been successfully applied to non-stop measure of 200 real samples, without contamination of ion source. Detection results of the samples agreed well with standard method.
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Affiliation(s)
- Shihao Shen
- College of Environmental Science and Engineering, Tongji University, Shanghai, P. R. China
- Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P. R. China
| | - Min Chen
- Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P. R. China
| | - Xianying Wang
- Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P. R. China
| | - Ting Fei
- Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P. R. China
| | - Dianhai Yang
- College of Environmental Science and Engineering, Tongji University, Shanghai, P. R. China
| | - Miaoling Cao
- Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P. R. China
| | - Da Wu
- Technology Center, Shanghai Tobacco Group Co., Ltd., Shanghai, P. R. China
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17
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Fe3O4/reduced graphene oxide nanocomposites based dispersive solid phase microextraction for trace determination of profenofos in white rice flour samples. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103516] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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18
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Gul MM, Ahmad KS. Assessment of methyl 2-({[(4,6-dimethoxypyrimidin-2-yl)carbamoyl] sulfamoyl}methyl)benzoate through biotic and abiotic degradation modes. OPEN CHEM 2020. [DOI: 10.1515/chem-2020-0030] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
AbstractDetoxification and management of environmental contaminants is an exigent issue of current times. Sulfonylurea herbicide, Bensulfuron-methyl was investigated for its degradation demeanour in soils, through biotic and abiotic modes (biodegradation and hydrolysis). Solid-liquid extraction of the herbicide was followed by GC-MS and UV-visible spectrophotometry analysis. The main metabolites observed were pyrimidinamine [149 m/z] and benzylsulfonamide [182 m/z]. The rate of biodegradation achieved by Aspergillus niger and Penicillium chrysogenum was 95% and 71%, respectively. The maximal decline in Bensulfuron-methyl concentration through hydrolysis was 48%. Furthermore, hydrolytic elimination was also evaluated based on time and pH. Both these parameters had a strong influence on the rate of transformation. Soils with lower pH exhibited an increased rate of degradation while a temperature of 27±2°C gave ideal conditions for herbicide decomposition. Percentage degradation and rate constant (k) followed first order reaction kinetics. Non-inoculated soils displayed less amounts of degradation. Furthermore, relative standard deviations were calculated for the residuals extracted in all soils. Analysis of variance (ANOVA) provided a p value < 0.05 for both strains with R2 closer to 1 signifying the significance of the results. Both fungal strains proved their potential for Bensulfuron-methyl remediation in soils.
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Affiliation(s)
- Mahwash Mahar Gul
- Department of Environmental Sciences, Fatima Jinnah Women University, The Mall, Rawalpindi, 46000, Pakistan
| | - Khuram Shahzad Ahmad
- Department of Environmental Sciences, Fatima Jinnah Women University, The Mall, Rawalpindi, 46000, Pakistan
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19
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Li G, Liu C, Liu H, Wang D, Ding L. Dynamic Microwave-assisted Extraction Online Coupled with QuEChERS for the Determination of Organophosphorus Pesticides in Cereals by Gas Chromatography. Chem Res Chin Univ 2020. [DOI: 10.1007/s40242-020-9083-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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20
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Standard substances free quantification makes LC/ESI/MS non-targeted screening of pesticides in cereals comparable between labs. Food Chem 2020; 318:126460. [PMID: 32114258 DOI: 10.1016/j.foodchem.2020.126460] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 01/28/2020] [Accepted: 02/19/2020] [Indexed: 11/21/2022]
Abstract
LC/ESI/MS is the technique of choice for qualitative and quantitative food monitoring; however, analysis of a large number of compounds is challenged by the availability of standard substances. The impediment of detection of food contaminants has been overcome by the suspect and non-targeted screening. Still, the results from one laboratory cannot be compared with the results of another laboratory as quantitative results are required for this purpose. Here we show that the results of the suspect and non-targeted screening for pesticides can be made quantitative with the aid of in silico predicted electrospray ionization efficiencies and this allows direct comparison of the results obtained in two different laboratories. For this purpose, six cereal matrices were spiked with 134 pesticides and analysed in two independent labs; a high correlation for the results with the R2 of 0.85.
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21
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Determination of alkylphenols, phenylphenols, bisphenol A, parabens, organophosphorus pesticides and triclosan in different cereal-based foodstuffs by gas chromatography–mass spectrometry. Anal Bioanal Chem 2020; 412:2621-2631. [DOI: 10.1007/s00216-020-02491-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 01/12/2020] [Accepted: 02/05/2020] [Indexed: 12/17/2022]
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22
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Mebdoua S, Ounane G. Evaluation of pesticide residues in wheat grains and its products from Algeria. FOOD ADDITIVES & CONTAMINANTS PART B-SURVEILLANCE 2019. [DOI: 10.1080/19393210.2019.1661529] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Samira Mebdoua
- Département des sciences agronomiques, Université de Akli Mohand Oulhadj Bouira, Bouira, Algeria
| | - Ghania Ounane
- Laboratoire d’amélioration intégrative des productions végétales, Ecole nationale supérieure agronomique, Alger, Algérie
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23
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Montemurro M, Brasca R, Culzoni MJ, Goicoechea HC. High-performance organized media-enhanced spectrofluorimetric determination of pirimiphos-methyl in maize. Food Chem 2019; 278:711-719. [DOI: 10.1016/j.foodchem.2018.11.090] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 09/19/2018] [Accepted: 11/19/2018] [Indexed: 10/27/2022]
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24
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Song S, Zhu K, Han L, Sapozhnikova Y, Zhang Z, Yao W. Residue Analysis of 60 Pesticides in Red Swamp Crayfish Using QuEChERS with High-Performance Liquid Chromatography-Tandem Mass Spectrometry. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:5031-5038. [PMID: 29364652 DOI: 10.1021/acs.jafc.7b05339] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
In this study, a multi-residue analytical method using quick, easy, cheap, effective, rugged, and safe (QuEChERS) extraction and dispersive solid-phase extraction (d-SPE) cleanup, followed by high-performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS), was investigated for rapid determination of 60 pesticide residues in whole crayfish and crayfish meat. The final method used 10 mL of acetonitrile for extraction, 3 g of NaCl for partitioning, and 50 mg of primary secondary amine for d-SPE cleanup. The method was validated at three spiking levels (10, 50, and 100 ng/g) using triphenyl phosphate as an internal standard and both gradient and isocratic HPLC elution. Under gradient conditions, satisfactory recoveries (70-120%) and relative standard deviations of ≤20% were achieved for 83 and 88% of pesticides in whole crayfish and crayfish meat, respectively. Matrix effects were estimated using both gradient and isocratic HPLC elution. To our knowledge, this is the first study involving multi-residue analysis of HPLC-amenable pesticides in crayfish and mantis shrimp. The final method was successfully applied for analysis of 11 crayfish and mantis shrimp samples from markets in China, and propamocarb (<limit of quantitation) and difenoconazole (8 ng/g) were detected in two different mantis shrimps.
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Affiliation(s)
- Shuangyu Song
- College of Science , China Agricultural University , Beijing 100193 , People's Republic of China
| | - Kechen Zhu
- College of Science , China Agricultural University , Beijing 100193 , People's Republic of China
| | - Lijun Han
- College of Science , China Agricultural University , Beijing 100193 , People's Republic of China
| | - Yelena Sapozhnikova
- Eastern Regional Research Center, Agricultural Research Service , United States Department of Agriculture , 600 East Mermaid Lane , Wyndmoor , Pennsylvania 19038 ; United States
| | - Zihao Zhang
- College of Science , China Agricultural University , Beijing 100193 , People's Republic of China
| | - Wei Yao
- College of Science , China Agricultural University , Beijing 100193 , People's Republic of China
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25
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Lawal A, Wong RCS, Tan GH, Abdulra’uf LB, Alsharif AMA. Multi-pesticide Residues Determination in Samples of Fruits and Vegetables Using Chemometrics Approach to QuEChERS-dSPE Coupled with Ionic Liquid-Based DLLME and LC–MS/MS. Chromatographia 2018. [DOI: 10.1007/s10337-018-3511-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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26
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Castro-Puyana M, Pérez-Míguez R, Montero L, Herrero M. Reprint of: Application of mass spectrometry-based metabolomics approaches for food safety, quality and traceability. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.08.007] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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27
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Application of mass spectrometry-based metabolomics approaches for food safety, quality and traceability. Trends Analyt Chem 2017. [DOI: 10.1016/j.trac.2017.05.004] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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28
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Capoferri D, Del Carlo M, Ntshongontshi N, Iwuoha EI, Sergi M, Di Ottavio F, Compagnone D. MIP-MEPS based sensing strategy for the selective assay of dimethoate. Application to wheat flour samples. Talanta 2017; 174:599-604. [PMID: 28738628 DOI: 10.1016/j.talanta.2017.06.062] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2017] [Revised: 06/19/2017] [Accepted: 06/22/2017] [Indexed: 11/17/2022]
Abstract
The aim of this work was to demonstrate the potentialities of the use of a molecularly imprinted (MIP) sensor coupled to a microextraction by packed sorbent (MEPS) strategy for the selective and sensitive detection of dimethoate in real samples. A dimethoate-polypyrrole MIP film was realised by cyclic voltammetry (CV) on the surface of a glassy carbon electrode (GCE). Being dimethoate electro-inactive, K3[Fe(CN)6] was used as probe for the indirect quantification of the analyte via the decrease of redox peaks observed upon binding of the target analyte. Detection of dimethoate at low nanomolar range was achieved with linearity in the 0.1-1nM range. Relative standard deviation calculated for different electrodes at 0.5nM of dimethoate was < 3% and selectivity was very satisfactory being the response for omethoate only 23% of dimethoate. A MEPS strategy for the extraction of dimethoate from a challenging matrix as wheat flour was then used in conjunction with the MIP electrochemical sensor. The procedure applied to flour samples spiked with dimethoate at 0.5 MRL, MRL, and 1.5 MRL gave very favourable comparison with a validated UHPLC-MS/MS method with deviations in the -21% /+17% range, demonstrating the feasibility of the approach as screening assay. This work clearly shows that the sequential use of a microextraction based procedure and electrochemical sensing system is low cost, easy to realise and use and can open new perspectives for the development of selective sensing system to be used in field or decentralised lab testing for the selective screening of target analytes.
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Affiliation(s)
- D Capoferri
- Faculty of Biosciences and Technologies for Food, Agriculture and Environment, University of Teramo, via R. Balzarini 1, 64100 Teramo, Italy
| | - M Del Carlo
- Faculty of Biosciences and Technologies for Food, Agriculture and Environment, University of Teramo, via R. Balzarini 1, 64100 Teramo, Italy
| | - N Ntshongontshi
- SensorLab, Department of Chemistry, University of the Western Cape, Bellville 7535, South Africa
| | - E I Iwuoha
- SensorLab, Department of Chemistry, University of the Western Cape, Bellville 7535, South Africa
| | - M Sergi
- Faculty of Biosciences and Technologies for Food, Agriculture and Environment, University of Teramo, via R. Balzarini 1, 64100 Teramo, Italy
| | - F Di Ottavio
- Faculty of Biosciences and Technologies for Food, Agriculture and Environment, University of Teramo, via R. Balzarini 1, 64100 Teramo, Italy
| | - D Compagnone
- Faculty of Biosciences and Technologies for Food, Agriculture and Environment, University of Teramo, via R. Balzarini 1, 64100 Teramo, Italy.
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29
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Ozcan C, Cebi UK, Gurbuz MA, Ozer S. Residue Analysis and Determination of IMI Herbicides in Sunflower and Soil by GC–MS. Chromatographia 2017. [DOI: 10.1007/s10337-017-3307-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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30
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Liu Z, Qi P, Wang X, Wang Z, Xu X, Chen W, Wu L, Zhang H, Wang Q, Wang X. Multi-pesticides residue analysis of grains using modified magnetic nanoparticle adsorbent for facile and efficient cleanup. Food Chem 2017; 230:423-431. [PMID: 28407931 DOI: 10.1016/j.foodchem.2017.03.082] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2016] [Revised: 02/13/2017] [Accepted: 03/13/2017] [Indexed: 10/20/2022]
Abstract
A facile, rapid sample pretreatment method was developed based on magnetic nanoparticles for multi-pesticides residue analysis of grains. Magnetite (Fe3O4) nanoparticles modified with 3-(N,N-diethylamino)propyltrimethoxysilane (Fe3O4-PSA) and commercial C18 were selected as the cleanup adsorbents to remove the target interferences of the matrix, such as fatty acids and non-polar compounds. Rice was used as the representative grain sample for method optimization. The amount of Fe3O4-PSA and C18 were systematically investigated for selecting the suitable purification conditions, and the simultaneous determination of 50 pesticides and 8 related metabolites in rice was established by liquid chromatography-tandem mass spectrometry. Under the optimal conditions, the method validation was performed including linearity, sensitivity, matrix effect, recovery and precision, which all satisfy the requirement for pesticides residue analysis. Compared to the conventional QuEChERS method with non-magnetic material as cleanup adsorbent, the present method can save 30% of the pretreatment time, giving the high throughput analysis possible.
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Affiliation(s)
- Zhenzhen Liu
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Food College, Hainan University, Haikou 570228, PR China
| | - Peipei Qi
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Hangzhou 310021, PR China; Agricultural Ministry Key Laboratory for Pesticide Residue Detection, Hangzhou 310021, PR China
| | - Xiangyun Wang
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Hangzhou 310021, PR China; Agricultural Ministry Key Laboratory for Pesticide Residue Detection, Hangzhou 310021, PR China
| | - Zhiwei Wang
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Agricultural Ministry Key Laboratory for Pesticide Residue Detection, Hangzhou 310021, PR China; Key Laboratory of Detection for Pesticide Residues and Control of Zhejiang, Hangzhou 310021, PR China
| | - Xiahong Xu
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Agricultural Ministry Key Laboratory for Pesticide Residue Detection, Hangzhou 310021, PR China; Key Laboratory of Detection for Pesticide Residues and Control of Zhejiang, Hangzhou 310021, PR China
| | - Wenxue Chen
- Food College, Hainan University, Haikou 570228, PR China
| | - Liyu Wu
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China
| | - Hu Zhang
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Agricultural Ministry Key Laboratory for Pesticide Residue Detection, Hangzhou 310021, PR China; Key Laboratory of Detection for Pesticide Residues and Control of Zhejiang, Hangzhou 310021, PR China
| | - Qiang Wang
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Food College, Hainan University, Haikou 570228, PR China; State Key Laboratory Breeding Base for Zhejiang Sustainable Pest and Disease Control, Hangzhou 310021, PR China.
| | - Xinquan Wang
- Institute of Quality and Standard of Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, PR China; Agricultural Ministry Key Laboratory for Pesticide Residue Detection, Hangzhou 310021, PR China; Key Laboratory of Detection for Pesticide Residues and Control of Zhejiang, Hangzhou 310021, PR China.
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31
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Simultaneous determination of atropine and scopolamine in buckwheat and related products using modified QuEChERS and liquid chromatography tandem mass spectrometry. Food Chem 2017; 218:173-180. [DOI: 10.1016/j.foodchem.2016.09.075] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 09/02/2016] [Accepted: 09/12/2016] [Indexed: 11/18/2022]
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32
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Shah AN, Tanveer M, Rehman AU, Anjum SA, Iqbal J, Ahmad R. Lodging stress in cereal—effects and management: an overview. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:5222-5237. [PMID: 0 DOI: 10.1007/s11356-016-8237-1] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 12/09/2016] [Indexed: 05/04/2023]
Affiliation(s)
- Adnan Noor Shah
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Mohsin Tanveer
- College of Plant Science and Technology, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
| | - Atique Ur Rehman
- Department of Agronomy, Bahauddin Zakariya University, Multan, Pakistan
| | | | - Javaid Iqbal
- Ghazi University, Dera Ghazi Khan, Punjab, 32200, Pakistan
| | - Riaz Ahmad
- Department of Agronomy, University of Agriculture, Faisalabad, Pakistan
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33
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Determination of Pesticides in Wheat Flour Using Microextraction on Packed Sorbent Coupled to Ultra-High Performance Liquid Chromatography and Tandem Mass Spectrometry. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0720-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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34
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Khalilian F, Rezaee M. Ultrasound-Assisted Extraction Followed by Solid-Phase Extraction Followed by Dispersive Liquid–Liquid Microextraction for the Sensitive Determination of Diazinon and Chlorpyrifos in Rice. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0653-9] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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35
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Zhou X, Cui K, Zeng F, Li S, Zeng Z. A simple and selective method for determination of phthalate biomarkers in vegetable samples by high pressure liquid chromatography–electrospray ionization-tandem mass spectrometry. Food Chem 2016; 200:336-42. [DOI: 10.1016/j.foodchem.2016.01.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Revised: 12/15/2015] [Accepted: 01/03/2016] [Indexed: 11/15/2022]
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36
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Determination of Pesticide Residues in Whole Wheat Flour Using Modified QuEChERS and LC–MS/MS. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0542-2] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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37
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Cabrera LDC, Caldas SS, Prestes OD, Primel EG, Zanella R. Evaluation of alternative sorbents for dispersive solid-phase extraction clean-up in the QuEChERS method for the determination of pesticide residues in rice by liquid chromatography with tandem mass spectrometry. J Sep Sci 2016; 39:1945-54. [PMID: 27004927 DOI: 10.1002/jssc.201501204] [Citation(s) in RCA: 68] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2015] [Revised: 03/10/2016] [Accepted: 03/11/2016] [Indexed: 12/28/2022]
Abstract
Many compounds are used for pest control during the production and storage of rice, making it necessary to employ multiclass methods for pesticide residues determination. For this purpose, QuEChERS-based methods are very efficient, fast and accurate, and improvements in the clean-up step are important, especially for complex matrices, like cereals. In this work, different sorbents such as chitosan, florisil(®) , alumina, diatomaceous earth, graphitized carbon black, besides the commonly used primary secondary amine and octadecylsilane, were evaluated for dispersive solid-phase extraction clean-up in acetate-buffered QuEChERS method for the determination of residues of 20 representative pesticides and one metabolite in rice by liquid chromatography coupled to tandem mass spectrometry. The sorbent C18 presented the best results, however, chitosan showed similar results, and the best performance among the unconventional sorbents evaluated. The method limit of quantification, attending accuracy (70-120% recovery) and precision (RSD ≤20%) criteria, ranged from 5 to 20 μg/kg. Results showed that chitosan is an effective alternative to reduce analysis costs, maintaining the method reliability and accuracy.
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Affiliation(s)
- Liziara da C Cabrera
- Departamento de Química, Universidade Federal de Santa Maria, Santa Maria-RS, Brazil.,Universidade Federal da Fronteira Sul - Campus Realeza, Realeza-PR, Brazil
| | - Sergiane S Caldas
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Rio Grande-RS, Brazil
| | - Osmar D Prestes
- Departamento de Química, Universidade Federal de Santa Maria, Santa Maria-RS, Brazil
| | - Ednei G Primel
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Rio Grande-RS, Brazil
| | - Renato Zanella
- Departamento de Química, Universidade Federal de Santa Maria, Santa Maria-RS, Brazil
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38
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Qin Y, Huang B, Zhang J, Han Y, Li Y, Zou N, Yang J, Pan C. Analytical method for 44 pesticide residues in spinach using multi-plug-filtration cleanup based on multiwalled carbon nanotubes with liquid chromatography and tandem mass spectrometry detection. J Sep Sci 2016; 39:1757-65. [DOI: 10.1002/jssc.201501401] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2015] [Revised: 03/02/2016] [Accepted: 03/02/2016] [Indexed: 11/09/2022]
Affiliation(s)
- Yuhong Qin
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science; China Agricultural University; Beijing China
| | - Baoyong Huang
- Beijing Station of Agro-Environmental Monitoring; Test and Supervision Center of Agro-Environmental Quality; MOA Beijing China
| | - Jingru Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science; China Agricultural University; Beijing China
| | - Yongtao Han
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science; China Agricultural University; Beijing China
| | - Yanjie Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science; China Agricultural University; Beijing China
| | - Nan Zou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science; China Agricultural University; Beijing China
| | - Jianguo Yang
- Plant Protection Station of Beijing; Beijing China
| | - Canping Pan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, College of Science; China Agricultural University; Beijing China
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39
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Chang PL, Hsieh MM, Chiu TC. Recent Advances in the Determination of Pesticides in Environmental Samples by Capillary Electrophoresis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:409. [PMID: 27070634 PMCID: PMC4847071 DOI: 10.3390/ijerph13040409] [Citation(s) in RCA: 61] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2016] [Revised: 03/31/2016] [Accepted: 03/31/2016] [Indexed: 01/10/2023]
Abstract
Nowadays, owing to the increasing population and the attempts to satisfy its needs, pesticides are widely applied to control the quantity and quality of agricultural products. However, the presence of pesticide residues and their metabolites in environmental samples is hazardous to the health of humans and all other living organisms. Thus, monitoring these compounds is extremely important to ensure that only permitted levels of pesticide are consumed. To this end, fast, reliable, and environmentally friendly methods that can accurately analyze dilute, complex samples containing both parent substances and their metabolites are required. Focusing primarily on research published since 2010, this review summarizes the use of various sample pretreatment techniques to extract pesticides from various matrices, combined with on-line preconcentration strategies for sensitivity improvement, and subsequent capillary electrophoresis analysis.
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Affiliation(s)
- Po-Ling Chang
- Department of Chemistry, Tunghai University, Taichung 40704, Taiwan.
| | - Ming-Mu Hsieh
- Department of Chemistry, National Kaohsiung Normal University, 62, Shenjhong Road, Yanchao District, Kaohsiung 82446, Taiwan.
| | - Tai-Chia Chiu
- Department of Applied Science, National Taitung University, 369, Section 2, University Road, Taitung 95092, Taiwan.
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40
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Vortex-assisted matrix solid–liquid dispersive microextraction for the analysis of triazole fungicides in cotton seed and honeysuckle by gas chromatography. Food Chem 2016; 196:867-76. [DOI: 10.1016/j.foodchem.2015.09.093] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2015] [Revised: 09/21/2015] [Accepted: 09/28/2015] [Indexed: 11/19/2022]
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41
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Use of Factorial Design in the Development of Multiresidue Method for Determination of Pesticide Residues in Wheat by Liquid Chromatography-Tandem Mass Spectrometry. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0447-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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42
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Fast Preconcentration of Pesticide Residues in Oilseeds by Combination of QuEChERS with Dispersive Liquid–Liquid Microextraction Followed by Gas Chromatography-Mass Spectrometry. FOOD ANAL METHOD 2016. [DOI: 10.1007/s12161-016-0402-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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43
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Della Pelle F, Di Crescenzo MC, Sergi M, Montesano C, Di Ottavio F, Scarpone R, Scortichini G, Compagnone D. Micro-solid-phase extraction (µ-SPE) of organophosphorous pesticides from wheat followed by LC-MS/MS determination. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 33:291-9. [PMID: 26600315 DOI: 10.1080/19440049.2015.1123818] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A rapid, selective and effective method of extraction, clean-up and concentration of organophosphorous pesticides from wheat followed by electrospray (ESI) LC-MS/MS analysis was developed. The μ-SPE (micro-solid-phase extraction) procedure resulted in good analytical performance and reduced at the same time matrix effects, analysis time and solvent consumption. Limits of detection (LODs) and quantification (LOQs) were in the range of 0.3-10 and 1-30 μg kg(-1), respectively, with good reproducibility (RSD ≤ 13.8) and recoveries between 75% and 109%. Coefficients of determination (r(2)) were greater than 0.996 for the studied pesticides. Despite the reduced sorbent bed mass of μ-SPE tips (4.2 mg), the analytical data showed that no saturation phenomena occurs in the tested range of concentration both for single compounds and mixtures. Several real samples were analysed and the concentrations of the selected pesticides were found to be below the respective maximum residue limit (MRLs).
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Affiliation(s)
- Flavio Della Pelle
- a Faculty of Bioscience and Technology for Food, Agriculture and Environment , University of Teramo , Teramo , Italy
| | - Maria Chiara Di Crescenzo
- a Faculty of Bioscience and Technology for Food, Agriculture and Environment , University of Teramo , Teramo , Italy
| | - Manuel Sergi
- a Faculty of Bioscience and Technology for Food, Agriculture and Environment , University of Teramo , Teramo , Italy
| | - Camilla Montesano
- b Department of Chemistry , Sapienza University of Rome , Rome , Italy
| | - Francesca Di Ottavio
- a Faculty of Bioscience and Technology for Food, Agriculture and Environment , University of Teramo , Teramo , Italy.,b Department of Chemistry , Sapienza University of Rome , Rome , Italy
| | - Rossana Scarpone
- c Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise 'G. Caporale' , Teramo , Italy
| | - Giampiero Scortichini
- c Istituto Zooprofilattico Sperimentale dell'Abruzzo e del Molise 'G. Caporale' , Teramo , Italy
| | - Dario Compagnone
- a Faculty of Bioscience and Technology for Food, Agriculture and Environment , University of Teramo , Teramo , Italy
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44
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He Z, Peng Y, Wang L, Luo M, Liu X. Unequivocal Enantiomeric Identification and Analysis of 10 Chiral Pesticides in Fruit and Vegetables by QuEChERS Method Combined With Liquid Chromatography-Quadruple/Linear Ion Trap Mass Spectrometry Determination. Chirality 2015; 27:958-64. [DOI: 10.1002/chir.22531] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2015] [Revised: 08/25/2015] [Accepted: 08/27/2015] [Indexed: 01/31/2023]
Affiliation(s)
- Zeying He
- Agro-Environmental Protection Institute; Ministry of Agriculture; Tianjin P.R. China
| | - Yi Peng
- Agro-Environmental Protection Institute; Ministry of Agriculture; Tianjin P.R. China
| | - Lu Wang
- Agro-Environmental Protection Institute; Ministry of Agriculture; Tianjin P.R. China
| | - Ming Luo
- Agro-Environmental Protection Institute; Ministry of Agriculture; Tianjin P.R. China
| | - Xiaowei Liu
- Agro-Environmental Protection Institute; Ministry of Agriculture; Tianjin P.R. China
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45
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46
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Pesticide Residue Determination by Gas Chromatography-Tandem Mass Spectrometry as Applied to Food Safety Assessment on the Example of Some Fruiting Vegetables. FOOD ANAL METHOD 2015. [DOI: 10.1007/s12161-015-0292-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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47
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Grande-Martínez Á, Arrebola-Liébanas FJ, Martínez-Vidal JL, Hernández-Torres ME, Garrido-Frenich A. Optimization and Validation of a Multiresidue Pesticide Method in Rice and Wheat Flour by Modified QuEChERS and GC–MS/MS. FOOD ANAL METHOD 2015. [DOI: 10.1007/s12161-015-0214-7] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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48
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Multiresidue analysis of over 200 pesticides in cereals using a QuEChERS and gas chromatography–tandem mass spectrometry-based method. Food Chem 2015; 169:372-80. [DOI: 10.1016/j.foodchem.2014.07.102] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2014] [Revised: 07/18/2014] [Accepted: 07/21/2014] [Indexed: 11/18/2022]
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49
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Montesinos I, Sfakianaki A, Gallego M, Stalikas CD. Graphene-coated cotton fibers as a sorbent for the extraction of multiclass pesticide residues from water and their determination by gas chromatography with mass spectrometry. J Sep Sci 2015; 38:836-43. [DOI: 10.1002/jssc.201400957] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Revised: 11/21/2014] [Accepted: 12/09/2014] [Indexed: 11/08/2022]
Affiliation(s)
- Isabel Montesinos
- Department of Analytical Chemistry; University of Cordoba; Cordoba Spain
| | | | - Mercedes Gallego
- Department of Analytical Chemistry; University of Cordoba; Cordoba Spain
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50
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Luque de Castro M, Delgado-Povedano M. Ultrasound: A subexploited tool for sample preparation in metabolomics. Anal Chim Acta 2014; 806:74-84. [DOI: 10.1016/j.aca.2013.10.053] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2013] [Revised: 10/24/2013] [Accepted: 10/28/2013] [Indexed: 12/01/2022]
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