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Wang Y, Fu Y, Miao K, Guo M, Meng X, Luo J, Yang M. A colloidal gold immunochromatographic method for rapid screening of imidacloprid residues in Chinese herbal medicines. J Chromatogr B Analyt Technol Biomed Life Sci 2024; 1244:124240. [PMID: 39053111 DOI: 10.1016/j.jchromb.2024.124240] [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: 04/18/2024] [Revised: 06/16/2024] [Accepted: 07/09/2024] [Indexed: 07/27/2024]
Abstract
An imidacloprid colloidal gold immunochromatographic strip was developed in this work, and systematic analytical conditions were deeply investigated. The test strips were used for rapid screening of imidacloprid residues in Chinese herbal medicines. The performance of the colloidal gold test strips was investigated by using five selected Chinese herbal medicines (malt, Coix seed, lotus seed, dried ginger and honeysuckle). As a result, the developed imidacloprid colloidal gold immunochromatographic test strips could be used for rapid screening of imidacloprid residues in 60 kinds of different herbs (including 26 kinds of root/rhizome medicines, 20 kinds of seed/fruit/pericarp medicines, 11 kinds of flower/leaf/whole herb medicines, and 3 kinds of bark/aboveground issues of herb medicines), and the cut-off value was 50 μg/kg. The development of this method can achieve the goal of on-site, rapid and low-cost screening of imidacloprid residues in different herbs, which is of great significance for the quality assurance of herbs.
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Affiliation(s)
- Yudan Wang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Yanwei Fu
- Department of Pharmacy, Beijing Shijitan Hospital, Capital Medical University, Beijing 100038, China
| | - Kun Miao
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Mengyue Guo
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Xianjun Meng
- Beijing Yuanhe Fangyuan Botanical Technologies Inc., Beijing 100041, China
| | - Jiaoyang Luo
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
| | - Meihua Yang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
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Hu G, Cui S, Wang H, Shi Y, Li Z. Mechanism of high sensitivity proton acids doped polypyrrole molecularly imprinted electrochemical sensor and its application in urea detection. Talanta 2024; 278:126514. [PMID: 38986310 DOI: 10.1016/j.talanta.2024.126514] [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: 03/17/2024] [Revised: 06/30/2024] [Accepted: 07/03/2024] [Indexed: 07/12/2024]
Abstract
Molecularly imprinted electrochemical sensor is a kind of convenient, fast, and stable analyzer, but the conductivity of electrode materials and their affinity with the analyte affect its performance. A proton acid (PSS, SA, SSA) doping method was proposed to improve the electrochemical performance of the polypyrrole molecularly imprinted polymer (PPy-MIP), which promoted the electropolymerization of pyrrole, reduced the charge transfer resistance, and increased the electrochemical surface area. In terms of both improving conductivity and affinity, the response of the proton acids doped the polypyrrole molecularly imprinted electrochemical sensors (PPy-MIECS) to urea was improved by 25-fold (PSS), 5-fold (SA), and 3-fold (SSA) over that of PPy-MIECS. In addition, the PSS-PPy-MIECS was validated for the practical application with a linear detection range from 0.1 mM to 100 mM, high selectivity (α = 39.73), reusability (RSD% = 4.54 %), reproducibility (RSD% = 0.93 %), and stability (11 days). The advantage of proton acid doping method in PSS-PEDOT-MIECS to urea and PSS-PPy-MIECS to glucose extended its application in the performance enhancement of MIECS design.
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Affiliation(s)
- Guangxing Hu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China; University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Shuang Cui
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China; University of Science and Technology of China, Hefei, Anhui, 230026, China
| | - Hongda Wang
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China; University of Science and Technology of China, Hefei, Anhui, 230026, China; Laboratory for Marine Biology and Biotechnology, Qingdao Marine Science and Technology Center, Qingdao, Shandong, 266200, China
| | - Yan Shi
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China.
| | - Zhuang Li
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, 130022, China; University of Science and Technology of China, Hefei, Anhui, 230026, China.
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3
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Liu S, Zhang Q, Zhang X, Du C, Si S, Chen J. High-Frequency Quartz Crystal Microbalance and Dual-Signaling Electrochemical Ratiometric Assays of PTP1B Activity Based on COF@Au@Fc Hybrids. Anal Chem 2024; 96:10408-10415. [PMID: 38863215 DOI: 10.1021/acs.analchem.4c01604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
The abnormal expression of protein tyrosine phosphatase 1B (PTP1B) is highly related to several serious human diseases. Therefore, an accurate PTP1B activity assay is beneficial to the diagnosis and treatment of these diseases. In this study, a dual-mode biosensing platform that enabled the sensitive and accurate assay of PTP1B activity was constructed based on the high-frequency (100 MHz) quartz crystal microbalance (QCM) and dual-signaling electrochemical (EC) ratiometric strategy. Covalent-organic framework@gold nanoparticles@ferrocene@single-strand DNA (COF@Au@Fc-S0) was introduced onto the QCM Au chip via the chelation between Zr4+ and phosphate groups (phosphate group of the phosphopeptide (P-peptide) on the QCM Au chip and the phosphate group of thiol-labeled single-stranded DNA (S0) on COF@Au@Fc-S0) and used as a signal reporter. When PTP1B was present, the dephosphorylation of the P-peptide led to the release of COF@Au@Fc-S0 from the QCM Au chip, resulting in an increase in the frequency of the QCM. Meanwhile, the released COF@Au@Fc-S0 hybridized with thiol/methylene blue (MB)-labeled hairpin DNA (S1-MB) on the Au NPs-modified indium-tin oxide (ITO) electrode. This caused MB to be far away from the electrode surface and Fc to be close to the electrode, leading to a decrease in the oxidation peak current of MB and an increase in the oxidation peak current of Fc. Thus, PTP1B-induced dephosphorylation of the P-peptide was monitored in real time by QCM, and PTP1B activity was detected sensitively and reliably using this innovative QCM-EC dual-mode sensing platform with an ultralow detection limit. This platform is anticipated to serve as a robust tool for the analysis of protein phosphatase activity and the discovery of drugs targeting protein phosphatase.
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Affiliation(s)
- Shuping Liu
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Qingqing Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo 315211, P. R. China
| | - Xiaohua Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Cuicui Du
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
| | - Shihui Si
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, P. R. China
| | - Jinhua Chen
- State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, Hunan University, Changsha 410082, P. R. China
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Ding L, Guo J, Chen S, Wang Y. Electrochemical sensing mechanisms of neonicotinoid pesticides and recent progress in utilizing functional materials for electrochemical detection platforms. Talanta 2024; 273:125937. [PMID: 38503124 DOI: 10.1016/j.talanta.2024.125937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/21/2024]
Abstract
The excessive residue of neonicotinoid pesticides in the environment and food poses a severe threat to human health, necessitating the urgent development of a sensitive and efficient method for detecting trace amounts of these pesticides. Electrochemical sensors, characterized by their simplicity of operation, rapid response, low cost, strong selectivity, and high feasibility, have garnered significant attention for their immense potential in swiftly detecting trace target molecules. The detection capability of electrochemical sensors primarily relies on the catalytic activity of electrode materials towards the target analyte, efficient loading of biomolecular functionalities, and the effective conversion of interactions between the target analyte and its receptor into electrical signals. Electrode materials with superior performance play a crucial role in enhancing the detection capability of electrochemical sensors. With the continuous advancement of nanotechnology, particularly the widespread application of novel functional materials, there is paramount significance in broadening the applicability and expanding the detection range of pesticide sensors. This comprehensive review encapsulates the electrochemical detection mechanisms of neonicotinoid pesticides, providing detailed insights into the outstanding roles, advantages, and limitations of functional materials such as carbon-based materials, metal-organic framework materials, supramolecular materials, metal-based nanomaterials, as well as molecular imprinted materials, antibodies/antigens, and aptamers as molecular recognition elements in the construction of electrochemical sensors for neonicotinoid pesticides. Furthermore, prospects and challenges facing various electrochemical sensors based on functional materials for neonicotinoid pesticides are discussed, providing valuable insights for the future development and application of biosensors for simplified on-site detection of agricultural residues.
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Affiliation(s)
- Longhua Ding
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China.
| | - Jiawei Guo
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
| | - Shu Chen
- School of Bioengineering, Shandong Polytechnic, Jinan, 250104, PR China
| | - Yawen Wang
- Institute for Advanced Interdisciplinary Research (iAIR), School of Chemistry and Chemical Engineering, University of Jinan, Jinan, 250022, PR China
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Rani M, Yadav J, Shanker U, Wang C. Recent updates on remediation approaches of environmentally occurring pollutants using visible light-active nano-photocatalysts. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:22258-22283. [PMID: 38418782 DOI: 10.1007/s11356-024-32455-2] [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: 06/15/2023] [Accepted: 02/08/2024] [Indexed: 03/02/2024]
Abstract
Photocatalysis emerges as a potential remedy for the issue of an unreliable light source. Recognized as the most dependable and potent energy source sustaining life on Earth, sunlight offers a promising solution. Sunlight is abundant and free, operational costs associated with running photocatalytic system using nanoparticles are often lower compared to system relying on artificial light source. The escalating problem of water pollution, particularly in highly industrialized nations, necessitates effective wastewater treatment methods. These methods aim to combat elevated pollution levels, encompassing pharmaceuticals, dyes, flame retardants, and pesticide components. Advanced oxidation processes within photocatalytic wastewater treatment exhibit substantial promise for removing complex organic pollutants. Doped nanomaterials, with their enhanced properties, enable efficient utilization of light. Coupled nanomaterials present significant potential in addressing both water and energy challenges by proficiently eliminating persistent pollutants from environment. Photocatalysis when exposed to sunlight can absorb photons and generate e- h + pairs. This discussion briefly outlines the wastewater treatment facilitated by interconnected nanomaterials, emphasizing their role in water-energy nexus. In exploring the capabilities of components within a functional photocatalyst, a comprehensive analysis of both simple photocatalysts and integrated photocatalytic systems is undertaken. Review aims to provide detailed explanation of the impact of light source on photon generation and significance of solar light on reaction kinetics, considering various parameters such as catalyst dosage, pH, temperature, and types of oxidants. By shedding light on these aspects, this review seeks to enhance our understanding of intricate processes involved in photocatalysis and its potential applications in addressing contemporary environmental challenges.
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Affiliation(s)
- Manviri Rani
- Department of Chemistry, Malaviya National Institute of Technology Jaipur, Jaipur, Rajasthan, 302017, India
| | - Jyoti Yadav
- Department of Chemistry, Malaviya National Institute of Technology Jaipur, Jaipur, Rajasthan, 302017, India
| | - Uma Shanker
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar, Punjab, India, 144027.
| | - Chongqing Wang
- School of Chemical Engineering, Zhengzhou University, Zhengzhou, 450001, China
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Li P, Abd El-Aty AM, Jiang H, Shen J, Wang Z, Wen K, Li J, Wang S, Wang J, Hammock BD, Jin M. Immunoassays and Emerging Analytical Techniques of Fipronil and its Metabolites for Food Safety: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2059-2076. [PMID: 38252458 DOI: 10.1021/acs.jafc.3c07428] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/23/2024]
Abstract
Fipronil, classified as a phenylpyrazole insecticide, is utilized to control agricultural, public health, and veterinary pests. Notably, its unique ecological fate involves degradation to toxic metabolites, which poses the risk of contamination in water and foodstuffs and potential human exposure through the food chain. In response to these concerns, there is a pressing need to develop analytical methodologies for detecting fipronil and its metabolites. This review provides a concise overview of the mode of action, metabolism, and toxicology of fipronil. Additionally, various detection strategies, encompassing antibody-based immunoassays and emerging analytical techniques, such as fluorescence assays based on aptamer/molecularly imprinted polymer/fluorescent probes, electrochemical sensors, and Raman spectroscopy, are thoroughly reviewed and discussed. The focus extends to detecting fipronil and its metabolites in crops, fruits, vegetables, animal-derived foods, water, and bodily fluids. This comprehensive exploration contributes valuable insights into the field, aiming to foster the development and innovation of more sensitive, rapid, and applicable analytical methods.
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Affiliation(s)
- Peipei Li
- Institute of Quality Standard and Testing Technology for Agro-Products, Key Laboratory of Agro-Product Quality and Safety, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Product Quality and Safety, Ministry of Agriculture, Beijing 100081, China
| | - A M Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, 12211 Giza, Egypt
- Department of Medical Pharmacology, Medical Faculty, Ataturk University, Erzurum 25240, Turkey
| | - Haiyang Jiang
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, and Beijing Laboratory for Food Quality and Safety, Beijing 100193, China
| | - Jianzhong Shen
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, and Beijing Laboratory for Food Quality and Safety, Beijing 100193, China
| | - Zhanhui Wang
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, and Beijing Laboratory for Food Quality and Safety, Beijing 100193, China
| | - Kai Wen
- National Key Laboratory of Veterinary Public Health Safety, College of Veterinary Medicine, China Agricultural University, Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, and Beijing Laboratory for Food Quality and Safety, Beijing 100193, China
| | - Jia Li
- Jinhua Miaozhidizhi Agricultural Technology Co., Ltd., Jinhua 321000, China
| | - Shuting Wang
- Hangzhou Municipal Center for Disease Control and Prevention, Zhejiang Hangzhou 310021, China
| | - Jing Wang
- Institute of Quality Standard and Testing Technology for Agro-Products, Key Laboratory of Agro-Product Quality and Safety, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Product Quality and Safety, Ministry of Agriculture, Beijing 100081, China
| | - Bruce D Hammock
- Department of Entomology & Nematology and the UC Davis Comprehensive Cancer Center, University of California, Davis, California 95616, United States
| | - Maojun Jin
- Institute of Quality Standard and Testing Technology for Agro-Products, Key Laboratory of Agro-Product Quality and Safety, Chinese Academy of Agricultural Sciences, and Key Laboratory of Agro-Product Quality and Safety, Ministry of Agriculture, Beijing 100081, China
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Zhang C, Li Y, Yang N, You M, Hao J, Wang J, Li J, Zhang M. Electrochemical sensors of neonicotinoid insecticides residues in food samples: From structure to analysis. Talanta 2024; 267:125254. [PMID: 37801927 DOI: 10.1016/j.talanta.2023.125254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2023] [Revised: 09/13/2023] [Accepted: 09/27/2023] [Indexed: 10/08/2023]
Abstract
Most food samples are detected positive for neonicotinoid insecticides, posing a severe threat to human health. Electrochemical sensors have been proven effective for monitoring the residues to guarantee food safety, but there needs to be more review to conclude the development status comprehensively. On the other hand, various modified materials were emphasized to improve the performance of electrochemical sensors in relevant reviews, rather than the reasons why they were selected. Therefore, this paper reviewed the electrochemical sensors of neonicotinoid insecticides according to bases and strategies. The fundamental basis is the molecular structure of neonicotinoid insecticides, which was disassembled into four functional groups: nitro group, saturated nitrogen ring system, aromatic heterocycle and chlorine substituent. Their relationships were established with strategies including direct sensing, enzyme sensors, aptasensors, immunosensors, and sample pretreatment, respectively. It is hoped to provide a reference for the effective design of electrochemical sensors for small molecule compounds.
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Affiliation(s)
- Changqiu Zhang
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China
| | - Yanqing Li
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China
| | - Ningxia Yang
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China
| | - Minghui You
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China
| | - Jinhua Hao
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China
| | - Jiacheng Wang
- Medical College, Yangzhou University, No. 11 Huaihai Road, Yangzhou, Jiangsu, 225009, China
| | - Juxiu Li
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China.
| | - Min Zhang
- College of Food Science and Engineering, Northwest A&F University, No. 22 Xinong Road, Yangling, Shaanxi, 712100, China.
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Yu X, Pu H, Sun DW. Developments in food neonicotinoids detection: novel recognition strategies, advanced chemical sensing techniques, and recent applications. Crit Rev Food Sci Nutr 2023:1-19. [PMID: 38149655 DOI: 10.1080/10408398.2023.2290698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2023]
Abstract
Neonicotinoid insecticides (NEOs) are a new class of neurotoxic pesticides primarily used for pest control on fruits and vegetables, cereals, and other crops after organophosphorus pesticides (OPPs), carbamate pesticides (CBPs), and pyrethroid pesticides. However, chronic abuse and illegal use have led to the contamination of food and water sources as well as damage to ecological and environmental systems. Long-term exposure to NEOs may pose potential risks to animals (especially bees) and even human health. Consequently, it is necessary to develop effective, robust, and rapid methods for NEOs detection. Specific recognition-based chemical sensing has been regarded as one of the most promising detection tools for NEOs due to their excellent selectivity, sensitivity, and robust interference resistance. In this review, we introduce the novel recognition strategies-enabled chemical sensing in food neonicotinoids detection in the past years (2017-2023). The properties and advantages of molecular imprinting recognition (MIR), host-guest recognition (HGR), electron-catalyzed recognition (ECR), immune recognition (IR), aptamer recognition (AR), and enzyme inhibition recognition (EIR) in the development of NEOs sensing platforms are discussed in detail. Recent applications of chemical sensing platforms in various food products, including fruits and vegetables, cereals, teas, honey, aquatic products, and others are highlighted. In addition, the future trends of applying chemical sensing with specific recognition strategies for NEOs analysis are discussed.
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Affiliation(s)
- Xinru Yu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Hongbin Pu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
| | - Da-Wen Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China
- Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou 510006, China
- Food Refrigeration and Computerized Food Technology (FRCFT), Agriculture and Food Science Centre, University College Dublin, National University of Ireland, Belfield, Dublin 4, Ireland
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Su X, Zheng K, Tian X, Zhou X, Zou X, Xu X, Sun Z, Zhang W. An advanced ratiometric molecularly imprinted sensor based on metal ion reoxidation for indirect and ultrasensitive glyphosate detection in fruit. Food Chem 2023; 429:136927. [PMID: 37481984 DOI: 10.1016/j.foodchem.2023.136927] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 06/29/2023] [Accepted: 07/16/2023] [Indexed: 07/25/2023]
Abstract
An indirect and ultrasensitive ratiometric molecularly imprinted (MIP) sensor, based on metal ion reoxidation, is introduced for glyphosate (GLY) determination in fruit. As high-performance signal amplification substrates, carbon nanotubes (MWCNTs) and gold nanoparticles (AuNPs) are conveniently modified on GCE. The artificial antibody-MIP membrane, presents typical three-dimensional structure to GLY template. Built-in reference methylene blue (MB) is directly electropolymerized on MWCNTs-Au/GCE. Particularly, Cu2+ and GLY interestingly form chelate complex, and the Cu2+ (ICu) in Cu(Ⅱ)-GLY-complex can be reoxidized, and indirectly quantizes GLY. The reference signal (IMB) presents noteworthy stability with different GLY levels, and the ratiometric readout (ICu/IMB) is recognized as a more trustworthy indicator to quantize GLY. Proposed sensor presents broad range as 1.73 ∼ 400 ng/mL, and limit of detection is well found as 0.24 ng/mL (S/N = 3). Finally, as-fabricated method is verified with standard HPLC in real-fruit-sample, and the errors and recovery rates are calculated as 3.4% ∼ 6.7% and 94.4% ∼ 104.6%, respectively.
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Affiliation(s)
- Xiaoyu Su
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Kaiyi Zheng
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaoyu Tian
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xuan Zhou
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xiaobo Zou
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xuechao Xu
- School of Food Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Zongbao Sun
- Department of Food & Biological Engineering, Jiangsu University, Zhenjiang 212013, China.
| | - Wen Zhang
- College of Photoelectric Engineering, Chongqing University, Chongqing 400044, China.
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Zhang M, He H, Huang Y, Huang R, Wu Z, Liu X, Deng H. Machine learning integrated high quantum yield blue light carbon dots for real-time and on-site detection of Cr(VI) in groundwater and drinking water. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166822. [PMID: 37683863 DOI: 10.1016/j.scitotenv.2023.166822] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Revised: 09/01/2023] [Accepted: 09/02/2023] [Indexed: 09/10/2023]
Abstract
The safety of groundwater and drinking water is directly related to the well-being of human beings and ecosystems. On-site monitoring and timely response to heavy metals in these water sources are crucial for water supply security. Fluorescent probes combined with machine learning technology have been applied to on-site detection of heavy metals. However, they were primarily focused on industrial-level detection and lacked the sensitivity required for detecting Cr(VI) in groundwater and drinking water. In this study, we developed an machine learning-integrated approach using high-quantum-yield (QY) N-doped blue-light carbon dots (N-BCDs) for instant detection of Cr(VI) in groundwater and drinking water. N-BCDs were synthesized within 3 min using a household microwave oven with citric acid and 1,2-diaminobenzene, resulting in a QY of approximately 90 %. The fluorescence of N-BCDs was quenched via the internal filter effect (IFE), enabling the detection of Cr(VI) within 1 min, with a detection limit of 0.1574 μg L-1 for Cr(VI) concentrations ranging from 0 to 60 μg L-1. We employed machine learning methods to determine Cr(VI) concentrations from simple shots, based on the red-green-blue (RGB) feature and Kmeans feature extraction. These features were input into four models (Ridge, XGB, SVR, and Linear), achieving a fitness of 95.2 %. Furthermore, the accuracies for Cr(VI) concentration identification in actual groundwater and drinking water were as high as 95.71 % and 96.81 %, respectively. Our work successfully extended the detection range of Cr(VI) to the μg level, significantly improving the practical applicability of the method and providing a new approach for on-site detection of Cr(VI) in groundwater and drinking water.
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Affiliation(s)
- Mengyuan Zhang
- School of Environmental Science and Engineering South China University of Technology, Guangzhou 510006, China
| | - Haijun He
- Guangzhou Marine Geological Survey, Guangzhou 511458, China
| | - Yanquan Huang
- School of Environmental Science and Engineering South China University of Technology, Guangzhou 510006, China
| | - Renfeng Huang
- School of Environmental Science and Engineering South China University of Technology, Guangzhou 510006, China
| | - Zhen Wu
- School of Environmental Science and Engineering South China University of Technology, Guangzhou 510006, China
| | - Xueming Liu
- School of Environmental Science and Engineering South China University of Technology, Guangzhou 510006, China.
| | - Hong Deng
- School of Environmental Science and Engineering South China University of Technology, Guangzhou 510006, China.
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11
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Abedi R, Raoof JB, Mohseni M, Bagheri Hashkavayi A. A signal-off aptasensor for the determination of Acinetobacter baumannii by using methylene blue as an electrochemical probe. Mikrochim Acta 2023; 190:308. [PMID: 37466698 DOI: 10.1007/s00604-023-05901-0] [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: 03/26/2023] [Accepted: 07/04/2023] [Indexed: 07/20/2023]
Abstract
An electrochemical aptasensor has been developed to detect Acinetobacter baumannii (A. baumannii). The proposed system was developed by modifying carbon screen-printed electrodes (CSPEs) with a synthesized MWCNT@Fe3O4@SiO2-Cl nanocomposite and then binding A. baumannii-specific aptamer using covalent immobilization on the modified electrode surface and the interaction of methylene blue (MB) with Apt as an electrochemical redox indicator. As a result of the incubation of the A. baumannii bacteria as a target on the proposed aptasensor, a cathodic peak current density (Jpc) of MB decreased due to the formation of the Apt-A. baumannii complex and MB being released from the immobilized Apt on the surface of the modified electrode. In addition to increasing the electron transfer kinetics, the nanocomposite provides a relatively stable matrix to improve the loading Apt sequence. The suggested aptasensor was demonstrated to be capable of detecting A. baumannii with a linear range of 10.0-1.0 × 107 colony-forming unit (CFU) mL-1 and a detection limit of 1 CFU mL-1 (S/N = 3) using differential pulse voltammetry (DPV) studies at a working potential of ~0.29 V and a scan rate of 100 mV s-1. The outcomes revealed that the aptasensor exhibited high A. baumannii detection sensitivity, stability, reproducibility, and specificity.
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Affiliation(s)
- Rokhsareh Abedi
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
| | - Jahan Bakhsh Raoof
- Electroanalytical Chemistry Research Laboratory, Department of Analytical Chemistry, Faculty of Chemistry, University of Mazandaran, Babolsar, Iran.
| | - Mojtaba Mohseni
- Department of Molecular and Cell Biology, University of Mazandaran, Babolsar, 47416-95447, Iran
| | - Ayemeh Bagheri Hashkavayi
- Department of Electrical and Computer Engineering, North Carolina State University, Raleigh, NC, 27606, USA
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12
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Shu H, Lai T, Yang Z, Xiao X, Chen X, Wang Y. High sensitivity electrochemical detection of ultra-trace imidacloprid in fruits and vegetables using a Fe-rich FeCoNi-MOF. Food Chem 2023; 408:135221. [PMID: 36535183 DOI: 10.1016/j.foodchem.2022.135221] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 12/11/2022] [Accepted: 12/12/2022] [Indexed: 12/23/2022]
Abstract
High sensitivity and ultra-trace detection of imidacloprid are important and challenging in the field of food. In this study, we prepared a Fe-rich FeCoNi-MOF in-situ modified nickel foam working electrode by one-step hydrothermal method, and achieved a highly sensitive detection of the imidacloprid. The characterization techniques confirmed that Fe-rich FeCoNi-MOF had excellent crystallinity, tighter structure, and exposed rich active sites. The detection results showed that Fe-rich FeCoNi-MOF electrochemical sensor had a minimum detection limit of 0.04 pmol/L (100 times lower than that of the bioelectrochemical sensors), a wide response range (1 pmol/L-120 μmol/L), and high sensitivity (124 μA pmol/L-1 cm-2). These advantages of the electrochemical sensor were revealed theoretically by the valence change of active metal and the first principle calculation. Lastly, the Fe-rich FeCoNi-MOF electrochemical sensor was applied to detect imidacloprid in apple, fresh tea leaves, tomato, cucumber, and had an excellent recovery of 98-102.8 %.
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Affiliation(s)
- Hui Shu
- NationalCenter for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, 650504 Kunming, People's Republic of China
| | - Tingrun Lai
- NationalCenter for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, 650504 Kunming, People's Republic of China
| | - Zhichao Yang
- NationalCenter for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, 650504 Kunming, People's Republic of China
| | - Xuechun Xiao
- NationalCenter for International Research on Photoelectric and Energy Materials, School of Materials and Energy, Yunnan University, 650504 Kunming, People's Republic of China.
| | - Xiumin Chen
- Kunming University of Science and Technology, National Engineering Research Center for Vacuum Metallurgy, 650093 Kunming, People's Republic of China.
| | - Yude Wang
- Yunnan Key Laboratory of Carbon Neutrality and Green Low-carbon Technologies, Yunnan University, 650504 Kunming, People's Republic of China.
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13
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Li R, Zhe T, Bai F, Xu Z, Li M, Bu T, Li F, Fang H, Wang L, Lü X. Hierarchical SnO2 nanoparticles designed based on in situ derivatization strategy for rapid and sensitive imidacloprid detection. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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14
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Kaewket K, Ngamchuea K. Microporous carbon for fast and simple electrochemical detection of imidacloprid insecticide in fruit and water samples. RSC Adv 2023; 13:4532-4541. [PMID: 36760309 PMCID: PMC9893441 DOI: 10.1039/d3ra00192j] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 01/27/2023] [Indexed: 02/05/2023] Open
Abstract
Herein, a fast and sensitive electrochemical sensor was developed for imidacloprid detection using low-cost disposable microporous carbon screen-printed electrodes. The electrochemical behaviour of imidacloprid at the microporous material was investigated in detail. The developed sensor allowed imidacloprid detection in the linear range of 0.00-1.00 mM with a sensitivity of 14.43 ± 0.42 μA mM-1 and a detection limit of 2.54 μM (3s B/m). The sensor showed excellent selectivity and high tolerance to possible interference from other tested insecticides and ions. Excellent repeatability (3.42%, n = 3) and reproducibility (2.23%, n = 3) were demonstrated. Application of the sensor in various fruit and water samples without any treatment showed 96.2-103.0% recoveries. The developed sensor further revealed that the most effective method for removing imidacloprid residue from fruit samples was via washing with a mixture of 5% w/v NaCl and 5% w/v bicarbonate at 40 °C.
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Affiliation(s)
- Keerakit Kaewket
- School of Chemistry, Institute of Science, Suranaree University of Technology 111 University Ave, Muang District Nakhon Ratchasima 30000 Thailand +66 44 224 637
| | - Kamonwad Ngamchuea
- School of Chemistry, Institute of Science, Suranaree University of Technology 111 University Ave, Muang District Nakhon Ratchasima 30000 Thailand +66 44 224 637
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15
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Zhai R, Chen G, Liu G, Huang X, Xu X, Li L, Zhang Y, Xu D, Abd El-Aty AM. Comparison of Chemiluminescence Enzyme Immunoassay (Cl-ELISA) with Colorimetric Enzyme Immunoassay (Co-ELISA) for Imidacloprid Detection in Vegetables. Foods 2023; 12:foods12010196. [PMID: 36613412 PMCID: PMC9818176 DOI: 10.3390/foods12010196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Revised: 12/22/2022] [Accepted: 12/26/2022] [Indexed: 01/03/2023] Open
Abstract
Imidacloprid is one of the most commonly used insecticides for managing pests, thus, improving the quality and yield of vegetables. The abuse/misuse of imidacloprid contaminates the environment and threatens human health. To reduce the risk, a colorimetric enzyme-linked immunoassay assay (Co-ELISA) and chemiluminescence enzyme-linked immunoassay assay (Cl-ELISA) were established to detect imidacloprid residues in vegetables. The linear range of Co-ELISA ranged between 1.56 μg/L and 200 μg/L with a limit of detection (LOD) of 1.56 μg/L. The values for Cl-ELISA were 0.19 μg/L to 25 μg/L with an LOD of 0.19 μg/L, which are lower than those of Co-ELISA. Fortifying Chinese cabbage, cucumber, and zucchini with imidacloprid at 10, 50, and 100 μg/L yielded recoveries between 81.7 and 117.6% for Co-ELISA and at 5, 10, and 20 µg/L yielded recoveries range from 69.7 to 120.6% for Cl-ELISA. These results indicate that Cl-ELISA has a high sensitivity and a rapid detection time, saving cost (antigen and antibody concentrations) and serving as a more efficient model for the rapid detection of imidacloprid residue.
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Affiliation(s)
- Rongqi Zhai
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Ge Chen
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Guangyang Liu
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xiaodong Huang
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Xiaomin Xu
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Lingyun Li
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Yanguo Zhang
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Donghui Xu
- Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for Vegetable Products, Ministry of Agriculture and Rural Affairs, Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Beijing 100081, China
- Correspondence: ; Tel.: +86-10-8210-6963
| | - A. M. Abd El-Aty
- Department of Pharmacology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
- Department of Medical Pharmacology, Faculty of Medicine, Atatürk University, 25240 Erzurum, Turkey
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16
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Luo J, Li S, Wu Y, Pang C, Ma X, Wang M, Zhang C, Zhi X, Li B. Electrochemical sensor for imidacloprid detection based on graphene oxide/gold nano/β-cyclodextrin multiple amplification strategy. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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17
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Wei X, Liu C, Li Z, Sun Q, Zhang X, Li Y, Zhang W, Shi J, Zhai X, Zhang D, Zou X. Fabrication of a label-free electrochemical cell-based biosensor for toxicity assessment of thiram. CHEMOSPHERE 2022; 307:135960. [PMID: 35961445 DOI: 10.1016/j.chemosphere.2022.135960] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Revised: 07/29/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
Thiram has been widely used in agriculture and may invades the food chain, posing a threat to human health. In this research, a label-free electrochemical cell-based biosensor was presented for in vitro toxicity assessment of thiram. HepG2 cells were cultured on poly-l-lysine@gold nano-flowers functionalized indium tin oxide coated glass electrode (PLL@AuNFs/ITO) to serve as biorecognition elements. AuNFs were electrodeposited on ITO to provide an enlarged specific surface area and benefited the output signal amplification. PLL was selected as an effective biocompatible coating material to facilitate cell adhesion and proliferation, thereby realizing one-step recording of electrochemical signals from thiram-treated cells. With the aid of the differential pulse voltammetry method, the fabricated biosensor was applied to assess the cytotoxicity of thiram. Results showed that the cytotoxicity measured by the fabricated biosensor exhibited a linear relationship related to thiram concentration ranging from 5 to 50 μM with a detection limit of 2.23 μM. The IC50 of thiram obtained by the biosensor was 29.5 μM, which was close to that of conventional MTT assay (30.8 μM). The effects of thiram on HepG2 cells were also investigated via SEM and flow cytometry. Meanwhile, the proposed biosensor was used to evaluate the toxicity of thiram in fruit samples. Results indicated that the toxicity of thiram cannot be ignored even at a low residual concentration in food (≤5 mg/kg). In conclusion, the developed sensor showed excellent sensitivity, stability, and reliability, which provided a great capacity for the convenient toxicity evaluation of thiram residue in food.
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Affiliation(s)
- Xiaoou Wei
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Chao Liu
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Zhihua Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Quancai Sun
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Xinai Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Yanxiao Li
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Wen Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Jiyong Shi
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Xiaodong Zhai
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China
| | - Di Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China.
| | - Xiaobo Zou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China; International Joint Research Laboratory of Intelligent Agriculture and Agri-products Processing, Jiangsu University, Zhenjiang, Jiangsu, 212013, PR China.
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18
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Sahraei N, Mazloum-Ardakani M, Khoshroo A, Hoseynidokht F, Mohiti J, Moradi A. Electrochemical system designed on a paper platform as a label-free immunosensor for cancer derived exosomes based on a mesoporous carbon foam- ternary nanocomposite. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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19
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Recent development and application of ratiometric electrochemical biosensor. J Electroanal Chem (Lausanne) 2022. [DOI: 10.1016/j.jelechem.2022.116653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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20
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Zhangsun H, Wang Q, Xu Z, Wang J, Wang X, Zhao Y, Zhang H, Zhao S, Li L, Li Z, Wang L. NiCu nanoalloy embedded in N-doped porous carbon composite as superior electrochemical sensor for neonicotinoid determination. Food Chem 2022; 384:132607. [DOI: 10.1016/j.foodchem.2022.132607] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Revised: 02/27/2022] [Accepted: 02/28/2022] [Indexed: 11/04/2022]
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21
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Wei J, Liu C, Wu T, Zeng W, Hu B, Zhou S, Wu L. A review of current status of ratiometric molecularly imprinted electrochemical sensors: From design to applications. Anal Chim Acta 2022; 1230:340273. [DOI: 10.1016/j.aca.2022.340273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Revised: 08/13/2022] [Accepted: 08/16/2022] [Indexed: 12/01/2022]
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22
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Su X, Chen Z, Wang H, Yuan L, Zheng K, Zhang W, Zou X. Ratiometric immunosensor with DNA tetrahedron nanostructure as high-performance carrier of reference signal and its applications in selective phoxim determination for vegetables. Food Chem 2022; 383:132445. [PMID: 35182867 DOI: 10.1016/j.foodchem.2022.132445] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 01/18/2022] [Accepted: 02/10/2022] [Indexed: 12/26/2022]
Abstract
A ratiometric electrochemical immunosensor, based on DNA tetrahedron nanostructure (DTNS), is introduced for vegetable phoxim determination. DTNS spontaneously adheres onto gold-nanoparticle-modified electrode and forms stable three-dimensional structure, providing plenty of binding sites to the built-in reference, methylene blue (MB). Monoclonal antibody (m-Ab) is vertically linked onto DTNS vertex, selectively responses antigenic phoxim, and promotes the target signal of IPHO. Thus, a ratiometric indicator, IPHO/IMB, is sensibly established with the target signal (IPHO) and the reference signal (IMB). Modifications, mechanisms and advances of the proposed method are subsequently examined with morphological methods and electrochemical experiments. This method brings considerable advances in analytical behaviors. The ratiometric signal presents better performance than solo system in repeatability and long-time stability. As-fabricated sensor presents wide dynamic range as 0.1∼30 μg/L, and limit of detection is well defined as 0.003 μg/L (S/N = 3). Finally, this method is verified with real-vegetable-sample analysis, certified HPLC and recovery test.
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Affiliation(s)
- Xiaoyu Su
- Department of Food & Biological Engineering, Jiangsu University, China
| | - Zhiyu Chen
- Department of Food & Biological Engineering, Jiangsu University, China
| | - Huan Wang
- Department of Food & Biological Engineering, Jiangsu University, China
| | - Lei Yuan
- Department of Food & Biological Engineering, Jiangsu University, China
| | - Kaiyi Zheng
- Department of Food & Biological Engineering, Jiangsu University, China
| | - Wen Zhang
- Department of Food & Biological Engineering, Jiangsu University, China.
| | - Xiaobo Zou
- Department of Food & Biological Engineering, Jiangsu University, China
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23
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Solanki R, Patra I, Kumar TCA, Kumar NB, Kandeel M, Sivaraman R, Turki Jalil A, Yasin G, Sharma S, Abdulameer Marhoon H. Smartphone-Based Techniques Using Carbon Dot Nanomaterials for Food Safety Analysis. Crit Rev Anal Chem 2022:1-19. [PMID: 35857650 DOI: 10.1080/10408347.2022.2099733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
The development of portable and efficient nanoprobes to realize the quantitative/qualitative onsite determination of food pollutants is of immense importance for safeguarding human health and food safety. With the advent of the smartphone, the digital imaging property causes it to be an ideal diagnostic substrate to point-of-care analysis probes. Besides, merging the versatility of carbon dots nanostructures and bioreceptor abilities has opened an innovative assortment of construction blocks to design advanced nanoprobes or improving those existing ones. On this ground, massive endeavors have been made to combine mobile phones with smart nanomaterials to produce portable (bio)sensors in a reliable, low cost, rapid, and even facile-to-implement area with inadequate resources. Herein, this work outlines the latest advancement of carbon dots nanostructures on smartphone for onsite detecting of agri-food pollutants. Particularly, we afford a summary of numerous approaches applied for target molecule diagnosis (pesticides, mycotoxins, pathogens, antibiotics, and metal ions), for instance microscopic imaging, fluorescence, colorimetric, and electrochemical techniques. Authors tried to list those scaffolds that are well-recognized in complex media or those using novel constructions/techniques. Lastly, we also point out some challenges and appealing prospects related to the enhancement of high-efficiency smartphone based carbon dots systems.
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Affiliation(s)
- Reena Solanki
- Department of Chemistry, Dr APJ Abdul Kalam University, Indore, India
| | | | - T Ch Anil Kumar
- Department of Mechanical Engineering, Vignan's Foundation for Science Technology and Research, Vadlamudi, India
| | - N Bharath Kumar
- Department of Electrical and Electronics Engineering, Vignan's Foundation for Science Technology and Research, Guntur, India
| | - Mahmoud Kandeel
- Department of Biomedical Sciences, College of Veterinary Medicine, King Faisal University, Al-Ahsa, Saudi Arabia
| | - R Sivaraman
- Department of Mathematics, Dwaraka Doss Goverdhan Doss Vaishnav College, University of Madras, Arumbakkam, Chennai, India
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, Iraq
| | - Ghulam Yasin
- Department of Botany, university of Bahauddin Zakariya, Multan, Pakistan
| | - Sandhir Sharma
- Chitkara Business School, Chitkara University, Punjab, India
| | - Haydar Abdulameer Marhoon
- Information and Communication Technology Research Group, Scientific Research Center, Al-Ayen University, Iraq
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24
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Wang D, Liu Y, Xu Z, Ji Y, Si X, Lin T, Liu H, Liu Z. Generic imprinted fiber array strategy for high-throughput and ultrasensitive simultaneous determination of multiple neonicotinoids. Food Chem 2022; 382:132407. [PMID: 35152016 DOI: 10.1016/j.foodchem.2022.132407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Revised: 02/06/2022] [Accepted: 02/07/2022] [Indexed: 11/17/2022]
Abstract
Herein, a new generic fiber array based on molecular imprinting solid-phase microextraction (MIP-SPME) technology, was described to enrich trace multiple neonicotinoids with high flux from the food matrix. To begin with adsorption experiments coupled with theoretical calculations provided universal means for selecting the preferred template molecule clothianidin (CLT). Results demonstrated that the CLT-MIP fiber array exhibited significantly superior enrichment ability of 1189-2356-folds for six neonicotinoids compared with two kinds of commercial fiber arrays. Furthermore, the practicability of the CLT-MIP fiber array was verified by simultaneously determining multiple neonicotinoids in tea and honey samples. The CLT-MIP fiber array showed a limit of detection (LOD) of 0.03-0.58 μg/L for six neonicotinoids. The method also exhibited satisfactory recoveries ranging from 85.4% to 116.8% with RSD (n = 3) less than 8.8%. The imprinted fiber array has the advantages of high-throughput, predominant reproducibility, and accurate quantitation multi-component, and it may open up a new mean to efficiently enrich high-throughput and simultaneously detect multiple compounds from food samples.
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Affiliation(s)
- Dan Wang
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Yuanchen Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Zhigang Xu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China.
| | - Yang Ji
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China
| | - Xiaoxi Si
- R&D Center of China Tobacco Yunnan Industrial Co. Ltd., Kunming 650231, China.
| | - Tao Lin
- Institute of Quality Standard and Testing Technology, Yunnan Academy of Agriculture Science, Kunming 650223, China
| | - Hongcheng Liu
- Institute of Quality Standard and Testing Technology, Yunnan Academy of Agriculture Science, Kunming 650223, China
| | - Zhimin Liu
- Faculty of Science, Kunming University of Science and Technology, Kunming 650500, China.
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25
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Wang Y, Qin JA, Zhang J, Jin Z, Luo J, Yang M. Rapid screening of imidacloprid residue in grains and medicinal herbs: A newly designed hapten and monoclonal antibody. J Pharm Biomed Anal 2022; 219:114931. [PMID: 35839580 DOI: 10.1016/j.jpba.2022.114931] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2022] [Revised: 07/04/2022] [Accepted: 07/05/2022] [Indexed: 11/19/2022]
Abstract
Three different imidacloprid hapten structures were designed to conjugate with proteins (bovine serum albumin, BSA; ovalbumin, OVA; keyhole limpet hemocyanin, KLH) for screening the optimal immunogen and coating antigen. Among these, an unreported antigen (hapten 6-KLH) was selected as the optimal immunogen and coating antigen. In addition, an imidacloprid-specific and high titer monoclonal antibody (IMIB7C3) was obtained by using the above-selected immunogen. A sensitive ic-ELISA (indirect competitive enzyme-linked immunosorbent assay) with a half-maximal inhibitory concentration (IC50) of 1.3 ng mL-1 was established by using the IMIB7C3 antibody (only 1.2 ng per well) to detect the residues of imidacloprid in grains (wheat and maize) and different herbs (Notoginseng radix et rhizoma, Dioscoreae rhizoma, Lonicerae japonicae flos, Astragali radix, Jujubae fructus). The detection results of real samples by the developed immunoassay were confirmed by liquid chromatography-tandem mass spectrometry (LC-MS/MS), which proved the accuracy and reliability of the established ic-ELISA. These results indicate that the proposed ic-ELISA method is suitable for rapid and high-throughput detection of imidacloprid residues in agricultural products and medicinal herbs. Furthermore, a quantitative risk assessment was conducted for Lonicerae japonicae flos based on the detection results, which indicates an acceptable risk to human health after the intake of Lonicerae japonicae flos polluted by imidacloprid.
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Affiliation(s)
- Yudan Wang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China
| | - Jia' An Qin
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China; Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
| | - Jing Zhang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China
| | - Ziyue Jin
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China
| | - Jiaoyang Luo
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China.
| | - Meihua Yang
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Ministry of Education, Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing 100193, China.
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Wang H, Cai L, Wang Y, Liu C, Fang G, Wang S. Covalent molecularly imprinted electrochemical sensor modulated by borate ester bonds for hygromycin B detection based on the synergistic signal amplification of Cu-MOF and MXene. Food Chem 2022; 383:132382. [DOI: 10.1016/j.foodchem.2022.132382] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 01/23/2022] [Accepted: 02/05/2022] [Indexed: 02/08/2023]
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27
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Zhu X, Han L, Liu H, Sun B. A smartphone-based ratiometric fluorescent sensing system for on-site detection of pyrethroids by using blue-green dual-emission carbon dots. Food Chem 2022; 379:132154. [DOI: 10.1016/j.foodchem.2022.132154] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Revised: 12/11/2021] [Accepted: 01/11/2022] [Indexed: 12/26/2022]
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28
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Kamyabi MA, Moharramnezhad M, Hajari N. Facile microwave route for the synthesis of CuS/CQDs/g-C3N4NS as a novel promising cathodic electrochemiluminescence detection of imidacloprid. J Solid State Electrochem 2022. [DOI: 10.1007/s10008-022-05161-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Haritha VS, Manuraj M, Sruthi TV, Kumar VBS, Kumar SARNS, Shankar SS, Rakhi RB. 3D‐Architectured MoS
2
‐Microflower‐Modified Electrodes toward Electrochemical Determination of Imidacloprid. ChemistrySelect 2022. [DOI: 10.1002/slct.202103362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
| | - Mohan Manuraj
- Chemical Sciences and Technology division CSIR -National Institute of Interdisciplinary Sciences (CSIR-NIIST) Thiruvananthapuram Kerala India 695019
| | - Thekke Veedu Sruthi
- Thomas Jefferson University Philadelphia Pennsylvani, NJ 08096 United States
| | - V. B. Sameer Kumar
- Department of Biochemistry and Molecular Biology School of Biological Sciences Central University of Kerala Kasargod 671314 India
| | | | - Sarojini Sharath Shankar
- Thomas Jefferson University Philadelphia Pennsylvani, NJ 08096 United States
- Department of Biochemistry and Molecular Biology School of Biological Sciences Central University of Kerala Kasargod 671314 India
| | - Raghavan Baby Rakhi
- Department of Physics University of Kerala, Kariavattom Thiruvananthapuram 695581 India
- Materials Science and Technology division CSIR- National Institute of Interdisciplinary Sciences (CSIR-NIIST) Thiruvananthapuram Kerala India 695019
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30
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Xia Y, Hu X, Liu Y, Zhao F, Zeng B. Molecularly imprinted ratiometric electrochemical sensor based on carbon nanotubes/cuprous oxide nanoparticles/titanium carbide MXene composite for diethylstilbestrol detection. Mikrochim Acta 2022; 189:137. [PMID: 35260926 DOI: 10.1007/s00604-022-05249-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Accepted: 02/23/2022] [Indexed: 01/07/2023]
Abstract
Conventional molecularly imprinted polymers (MIP)-based electrochemical sensors are generally susceptible to the changes of personal operation, electrode surface, and solution conditions. Herein, a ratiometric strategy was employed through introducing Cu2O nanoparticles (NPs) as inner reference probe to realize the reliable detection of diethylstilbestrol (DES). MIP film was prepared by electropolymerization of 1H-pyrrole-3-carboxylicacid in the presence of DES on carbon nanotubes/cuprous oxide/titanium carbide (CNT/Cu2O NPs/Ti3C2Tx) modified electrodes. The Ti3C2Tx with accordion-like structure not only possessed good electrical conductivity, but also facilitated the immobilization of Cu2O NPs, which contributed to stabilizing the signal. CNT was introduced to further improve the sensitivity of the sensor. Under optimum conditions, the MIP/CNT/Cu2O NPs/Ti3C2Tx electrochemical sensors showed a broad linear response range of 0.01 to 70 μM, and a low detection limit of 6 nM (S/N = 3). Moreover, the sensor was applied to detect DES in real samples including lake water, milk, and pork, and the recoveries for spiked standard were 88-112%. Thus, this work provides a new way for reliable DES detection.
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Affiliation(s)
- Yide Xia
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People's Republic of China
| | - Xiaopeng Hu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People's Republic of China
| | - Yiwei Liu
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People's Republic of China
| | - Faqiong Zhao
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People's Republic of China
| | - Baizhao Zeng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan, 430072, Hubei Province, People's Republic of China.
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31
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Wu N, Wang L, Xie Y, Du Y, Song Y, Wang L. Double signal ratiometric electrochemical riboflavin sensor based on macroporous carbon/electroactive thionine-contained covalent organic framework. J Colloid Interface Sci 2022; 608:219-226. [PMID: 34626968 DOI: 10.1016/j.jcis.2021.09.162] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2021] [Revised: 09/19/2021] [Accepted: 09/26/2021] [Indexed: 01/09/2023]
Abstract
Riboflavin (RF) is one of the necessary vitamins. If human body lacks RF, it will lead to inflammation and dysfunction of mouth, lips and skin. Thus sensitive and accurate determination of RF is necessary. Here, an electroactive covalent-organic framework nanobelt (COFTFPB-Thi) with thickness of 1.4 nm was prepared by amine-aldehyde condensation reaction between thionine and 1, 3, 5-tris (p-formylphenyl) benzene, which was then grown vertically on three-dimensional porous carbon derived from kenaf stem (3D-KSC) for double signal ratiometric electrochemical detection of RF. The resulted 3D-KSC/COFTFPB-Thi showed two reduction peaks at -0.08 V and -0.23 V, which came from the reduction of COFTFPB-Thi and the conjugated structure of COFTFPB-Thi, respectively. In the presence of RF, those RF molecules near the electrode surface were oxidized at 0.6 V. Then some oxidized RF (RFox) adsorbed on COFTFPB-Thi would oxidize COFTFPB-Thi into COFTFPB-Thi(ox) while other RFox adsorbed on 3D-KSC kept unchanged. When the potential was scanned from 0.6 V to -0.6 V, both COFTFPB-Thi(ox) and RFox adsorbed on 3D-KSC were reduced at -0.08 V and -0.45 V accordingly, while the reduction peak of -0.23 V of the conjugated structure of COFTFPB-Thi kept constant. When j-0.45/j-0.23 was used as the response signal, the detection limit was 44 nM and the linear range was 0.13 μM -0.23 mM. By using j-0.08/j-0.23 as the response signal, a detection limit of 90 nM and a linear range of 0.30 μM-0.23 mM (S/N = 3) were obtained. By using double signals, the measurement results can be corrected to make the results more accurate and reliable. The sensor also showed good selectivity, reproducibility and stability, which provided a good application prospects.
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Affiliation(s)
- Na Wu
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China
| | - Linyu Wang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China
| | - Yi Xie
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China
| | - Yan Du
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
| | - Yonghai Song
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China
| | - Li Wang
- Key Laboratory of Functional Small Organic Molecule, Ministry of Education, College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang, 330022, China.
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32
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Parra-Arroyo L, González-González RB, Castillo-Zacarías C, Melchor Martínez EM, Sosa-Hernández JE, Bilal M, Iqbal HMN, Barceló D, Parra-Saldívar R. Highly hazardous pesticides and related pollutants: Toxicological, regulatory, and analytical aspects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 807:151879. [PMID: 34826476 DOI: 10.1016/j.scitotenv.2021.151879] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 10/26/2021] [Accepted: 11/18/2021] [Indexed: 02/05/2023]
Abstract
The pervasive manifestation and toxicological influence of hazardous pesticides pose adverse consequences on various environmental matrices and humans, directly via bioaccumulation or indirectly through the food chain. Due to pesticide residues' continuous presence above permissible levels in multiple forms, much attention has been given to re-evaluating to regulate their usage practices without harming or affecting the environment. However, there are regulations in place banning the use of multiple hazardous pesticides in the environment. Thus, efforts must be made to achieve robust detection and complete mitigation of pesticides, possibly through a combination of new and conventional methods. The complex nature of pesticides helps them to react differently across different environmental matrices. Therefore, highly hazardous pesticides are a risk to human well-being and the environment through enzymatic inhibition and the induction of oxidative stress. Consequently, developing fast, sensitive sensing strategies is essential to detect and quantify multiple pesticides and remove the pesticides present in the specific matrix without creating harmful derivatives. Additionally, the technology should be available worldwide to eliminate pesticide residuals from the environment. There are regulations, in practice, that limit the selling, storage, use of pesticides, and their concentration in the environment, although such regulations must be revised. However, the existing literature lacks regulatory, analytical detection, and mitigation considerations for pesticide remediation. Furthermore, the enforcement of such regulations and strict monitoring of pesticides in developing countries are needed. This review spotlights various analytical detection, regulatory, and mitigation considerations for efficiently removing hazardous pesticides.
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Affiliation(s)
- Lizeth Parra-Arroyo
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico
| | | | - Carlos Castillo-Zacarías
- Universidad Autónoma de Nuevo León, Facultad de Ingeniería Civil, Departamento de Ingeniería Ambiental, Ciudad Universitaria S/N, San Nicolás de los Garza, Nuevo León, C.P. 66455, Mexico
| | | | | | - Muhammad Bilal
- School of Life Science and Food Engineering, Huaiyin Institute of Technology, Huaian 223003, China
| | - Hafiz M N Iqbal
- Tecnologico de Monterrey, School of Engineering and Sciences, Monterrey 64849, Mexico.
| | - Damià Barceló
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona, 18-26, 08034 Barcelona, Spain; Catalan Institute of Water Research (ICRA-CERCA), Parc Científic i Tecnològic de la Universitat de Girona, c/Emili Grahit, 101, Edifici H(2)O, 17003 Girona, Spain; College of Environmental and Resources Sciences, Zhejiang A&F University, Hangzhou 311300, China.
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33
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Adsorption of 4,4'-diaminodiphenyl ether on molecularly imprinted polymer and its application in an interfacial potentiometry with double poles sensor. CHEMICAL PAPERS 2022. [DOI: 10.1007/s11696-021-01979-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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34
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Shu H, Lai T, Ren J, Cui X, Tian X, Yang Z, Xiao X, Wang Y. Trimetallic metal-organic frameworks (Fe, Co, Ni-MOF) derived as efficient electrochemical determination for ultra-micro imidacloprid in vegetables. NANOTECHNOLOGY 2022; 33:135502. [PMID: 34911048 DOI: 10.1088/1361-6528/ac4350] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/14/2021] [Indexed: 06/14/2023]
Abstract
The excessive use of imidacloprid in agricultural production leads to a large number of residues that seriously threaten human health. Therefore, the detection of imidacloprid has become very important. But how to quantitatively detect imidacloprid at ultra-low levels is the main challenges. In this work, trimetallic metal-organic frameworks Fe, Co, Ni-MOF (FCN-MOF) isin situprepared on nickel foam (NF) and then used to make an electrochemical sensor in the detection of imidacloprid. FCN-MOF exhibits the characteristics of ultra-micro concentration detection for imidacloprid with high specific surface area and rich active metal centers. The high conductivity and 3D skeleton structure of the NF electrode enhance the contact site with imidacloprid and promote the transmission of electrons efficiently. All results show that the prepared electrochemical sensor has the advantages of ultra-low detection limits (0.1 pM), wide linear detection ranges (1-5 × 107pM) and good sensitivity (132.91μA pM‒1cm‒2), as well as good reproducibility, excellent anti-interference ability, and fantastic stability. Meanwhile, the electrochemical sensor is used to determine imidacloprid in lettuce, tomato, and cucumber samples with excellent recovery (90%-102.7%). The novel electrochemical sensor is successfully applied to the ultra-micro detection of imidacloprid in vegetables, which provides a new way for the efficient monitoring of imidacloprid in agriculture.
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Affiliation(s)
- Hui Shu
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
| | - Tingrun Lai
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
| | - Jie Ren
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
| | - Xiuxiu Cui
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
| | - Xu Tian
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
| | - Zhichao Yang
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
| | - Xuechun Xiao
- National Center for International Research on Photoelectric and Energy Materials, Yunnan University, Kunming 6500504, People's Republic of China
| | - Yude Wang
- School of Materials and Energy, Yunnan University, Kunming 6500504, People's Republic of China
- Key Lab of Quantum Information of Yunnan Province, Yunnan University, Kunming 6500504, People's Republic of China
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35
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Rong S, Zou L, Meng L, Yang X, Dai J, Wu M, Qiu R, Tian Y, Feng X, Ren X, Jia L, Jiang L, Hang Y, Ma H, Pan H. Dual function metal-organic frameworks based ratiometric electrochemical sensor for detection of doxorubicin. Anal Chim Acta 2022; 1196:339545. [DOI: 10.1016/j.aca.2022.339545] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 12/27/2021] [Accepted: 01/21/2022] [Indexed: 11/16/2022]
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36
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Vestri A, Rippa M, Marchesano V, Sagnelli D, Margheri G, Zhou J, Petti L. LSPR immuno-sensing based on iso-Y nanopillars for highly sensitive and specific imidacloprid detection. J Mater Chem B 2021; 9:9153-9161. [PMID: 34694310 DOI: 10.1039/d1tb01344k] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Imidacloprid is the most widely used insecticide in agriculture and its intensive use over the last 30 years has caused a global concern due to its potentially toxic effects on the ecosystem. Considering the recent scientific interest in novel simple methods for imidacloprid analysis, we propose a label-free sensitive and specific localised surface plasmon resonance system for the detection of the insecticide based on 2D nanostructured metasurfaces with highly performing plasmonic properties. The specificity of the sensor proposed was achieved by covalent bio-functionalization of the metasurface using a smart and easy one-step procedure mediated by carbon disulphide. The biosensor produced was tested using a set of imidacloprid standard solutions showing a competitive limit of detection, lower than 1 ng mL-1. Our novel nanosensing configuration represents a valid and reliable solution to realize low-cost portable POC tests as an alternative to the laborious and expensive methods traditionally used for insecticide detection.
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Affiliation(s)
- Ambra Vestri
- Institute of Applied Sciences and Intelligent Systems "E. Caianiello" of CNR, Pozzuoli 80072, Italy.
| | - Massimo Rippa
- Institute of Applied Sciences and Intelligent Systems "E. Caianiello" of CNR, Pozzuoli 80072, Italy.
| | - Valentina Marchesano
- Institute of Applied Sciences and Intelligent Systems "E. Caianiello" of CNR, Pozzuoli 80072, Italy.
| | - Domenico Sagnelli
- Institute of Applied Sciences and Intelligent Systems "E. Caianiello" of CNR, Pozzuoli 80072, Italy.
| | | | - Jun Zhou
- Institute of Photonics, Faculty of Science, Ningbo University, Ningbo, People's Republic of China
| | - Lucia Petti
- Institute of Applied Sciences and Intelligent Systems "E. Caianiello" of CNR, Pozzuoli 80072, Italy.
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37
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Ilktaç R, Gümüş ZP. Sensitive and selective determination of imidacloprid with magnetic molecularly imprinted polymer by using LC/Q-TOF/MS. Turk J Chem 2021; 45:1237-1247. [PMID: 34707447 PMCID: PMC8517610 DOI: 10.3906/kim-2101-36] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Accepted: 05/19/2021] [Indexed: 12/19/2022] Open
Abstract
In this paper, magnetic-molecularly imprinted polymer was used for the preconcentration of trace levels of imidacloprid in water and apple samples prior to liquid chromatography-quadrupole-time-of-flight mass spectrometric determination. The selectivity of the magnetic polymer was united with the sensitivity and the high resolving power of the chromatographic system. The developed method showed a linear range from 10.0 to 500.0 µg/L. The quantitative recoveries were obtained for water and apple samples in the range of 92.0%–99.0 %. The relative standard deviations of intra-day and inter-day tests were found to be in the range of 0.8%–1.2% and 1.2%–1.6 %, respectively. In addition, the same magnetic-molecularly imprinted polymer (MMIP) can be used at least ten cycles for the determination of imidacloprid. The preconcentration factor of the method was found to be 2.5, and the total preconcentration procedure can be completed in 1 h. Characterization of synthesised particles were executed with various techniques. Due to its suitable limit of detection, dynamic linear range, sensitivity and selectivity, the developed method seemed to be ideal for the determination and preconcentration of imidacloprid in water and fruit samples.
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Affiliation(s)
- Raif Ilktaç
- Central Research Testing and Analysis Laboratory Research and Application Center, Ege University Bornova, İzmir Turkey
| | - Zinar Pınar Gümüş
- Central Research Testing and Analysis Laboratory Research and Application Center, Ege University Bornova, İzmir Turkey
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38
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Johnson ZT, Williams K, Chen B, Sheets R, Jared N, Li J, Smith EA, Claussen JC. Electrochemical Sensing of Neonicotinoids Using Laser-Induced Graphene. ACS Sens 2021; 6:3063-3071. [PMID: 34370948 DOI: 10.1021/acssensors.1c01082] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Neonicotinoids are the fastest-growing insecticide accounting for over 25% of the global pesticide market and are capable of controlling a range of pests that damage croplands, home yards/gardens, and golf course greens. However, widespread use has led to nontarget organism decline in pollinators, insects, and birds, while chronic, sublethal effects on humans are still largely unknown. Therefore, there is a need to understand how prevalent neonicotinoids are in the environment as there are currently no commercially available field-deployable sensors capable of measuring neonicotinoid concentrations in surface waters. Herein, we report the first example of a laser-induced graphene (LIG) platform that utilizes electrochemical sensing for neonicotinoid detection. These graphene-based sensors are created through a scalable direct-write laser fabrication process that converts polyimide into LIG, which eliminates the need for chemical synthesis of graphene, ink formulation, masks, stencils, pattern rolls, and postprint annealing commonly associated with other printed graphene sensors. The LIG electrodes were capable of monitoring four major neonicotinoids (CLO, IMD, TMX, and DNT) with low detection limits (CLO, 823 nM; IMD, 384 nM; TMX, 338 nM; and DNT, 682 nM) and a rapid response time (∼10 s) using square-wave voltammetry without chemical/biological functionalization. Interference testing exhibited negligible responses from widely used pesticides including the broad-leaf insecticides parathion, paraoxon, and fipronil, as well as systemic herbicides glyphosate (roundup), atrazine, dicamba, and 2,4-dichlorophenoxyacetic acid. These scalable, graphene-based sensors have the potential for wide-scale mapping of neonicotinoids in watersheds and potential use in numerous electrochemical sensor devices.
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Affiliation(s)
- Zachary T. Johnson
- Department of Mechanical Engineering, Iowa State University of Science and Technology, 528 Bissell Road, Ames, Iowa 50010, United States
| | - Kelli Williams
- Department of Mechanical Engineering, Iowa State University of Science and Technology, 528 Bissell Road, Ames, Iowa 50010, United States
| | - Bolin Chen
- Department of Mechanical Engineering, Iowa State University of Science and Technology, 528 Bissell Road, Ames, Iowa 50010, United States
| | - Robert Sheets
- Department of Mechanical Engineering, Iowa State University of Science and Technology, 528 Bissell Road, Ames, Iowa 50010, United States
| | - Nathan Jared
- Department of Mechanical Engineering, Iowa State University of Science and Technology, 528 Bissell Road, Ames, Iowa 50010, United States
| | - Jingzhe Li
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
- The Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
| | - Emily A. Smith
- Department of Chemistry, Iowa State University, Ames, Iowa 50011, United States
- The Ames Laboratory, U.S. Department of Energy, Ames, Iowa 50011, United States
| | - Jonathan C. Claussen
- Department of Mechanical Engineering, Iowa State University of Science and Technology, 528 Bissell Road, Ames, Iowa 50010, United States
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Wang M, Guo H, Xue R, Guan Q, Zhang J, Zhang T, Sun L, Yang F, Yang W. A novel electrochemical sensor based on MWCNTs-COOH/metal-covalent organic frameworks (MCOFs)/Co NPs for highly sensitive determination of DNA base. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106336] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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40
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Köse K, Kehribar DY, Uzun L. Molecularly imprinted polymers in toxicology: a literature survey for the last 5 years. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:35437-35471. [PMID: 34024002 DOI: 10.1007/s11356-021-14510-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Accepted: 05/17/2021] [Indexed: 05/23/2023]
Abstract
The science of toxicology dates back almost to the beginning of human history. Toxic chemicals, which are encountered in different forms, are always among the chemicals that should be investigated in criminal field, environmental application, pharmaceutic, and even industry, where many researches have been carried out studies for years. Almost all of not only drugs but also industrial dyes have toxic side and direct effects. Environmental micropollutants accumulate in the tissues of all living things, especially plants, and show short- or long-term toxic symptoms. Chemicals in forensic science can be known by detecting the effect they cause to the body with the similar mechanism. It is clear that the best tracking tool among analysis methods is molecularly printed polymer-based analytical setups. Different polymeric combinations of molecularly imprinted polymers allow further study on detection or extraction using chromatographic and spectroscopic instruments. In particular, methods used in forensic medicine can detect trace amounts of poison or biological residues on the scene. Molecularly imprinted polymers are still in their infancy and have many variables that need to be developed. In this review, we summarized how molecular imprinted polymers and toxicology intersect and what has been done about molecular imprinted polymers in toxicology by looking at the studies conducted in the last 5 years.
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Affiliation(s)
- Kazım Köse
- Department of Joint Courses, Hitit University, Çorum, Turkey.
| | - Demet Yalçın Kehribar
- Department of Internal Medicine, Faculty of Medicine, Ondokuz Mayis University, Samsun, Turkey
| | - Lokman Uzun
- Department of Chemistry, Faculty of Science, Hacettepe University, Ankara, Turkey.
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41
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Yin F, Xu F, Zhang K, Yuan M, Cao H, Ye T, Wu X, Xu F. Synthesis and evaluation of mesoporous silica/mesoporous molecularly imprinted nanoparticles as adsorbents for detection and selective removal of imidacloprid in food samples. Food Chem 2021; 364:130216. [PMID: 34237619 DOI: 10.1016/j.foodchem.2021.130216] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Revised: 04/07/2021] [Accepted: 05/17/2021] [Indexed: 11/18/2022]
Abstract
The double-mesoporous-layer imprinted polymer of mesoporous silica/mesoporous molecularly imprinted nanoparticles (MIP), with high specific surface area, rich porosity, excellent mass transfer rate and selectivity, were synthesized using imidacloprid (IDP) as a template. Under the optimal conditions of pH, contact time, concentration and temperature, MIP showed high adsorption capacity of 13.86 μg·mg-1 toward IDP and the imprinting factor reached 3.5. The adsorption process model including binding isotherm and kinetics was investigated. MIP exhibited excellent regeneration and its adsorption and selectivity were outstanding among its structurally pesticide analogues. The recovery of spiked IDP for MIP in fortified real samples can reach 96.0 ± 8.5% for cabbage and 105.0 ± 9.9% for apple. The limit of detection of the enrichment method can be as low as 0.037 μg·mL-1 with a good linear relationship (R2 = 0.996) from 0.30 to 10.0 μg·mL-1. The results indicated that the proposed method allowed class-specific detection of IDP in food samples.
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Affiliation(s)
- Fengqin Yin
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Feng Xu
- College of Science, University of Shanghai for Science and Technology, Shanghai, China
| | - Kun Zhang
- College of Science, University of Shanghai for Science and Technology, Shanghai, China
| | - Min Yuan
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Hui Cao
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Tai Ye
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Xiuxiu Wu
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China
| | - Fei Xu
- School of Medical Instrument and Food Engineering, Shanghai Engineering Research Center for Food Rapid Detection, University of Shanghai for Science and Technology, Shanghai, China; College of Science, University of Shanghai for Science and Technology, Shanghai, China.
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Han S, Ding Y, Teng F, Yao A, Leng Q. Determination of chloropropanol with an imprinted electrochemical sensor based on multi-walled carbon nanotubes/metal-organic framework composites. RSC Adv 2021; 11:18468-18475. [PMID: 35480926 PMCID: PMC9033443 DOI: 10.1039/d1ra02731j] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 05/13/2021] [Indexed: 12/16/2022] Open
Abstract
In this paper, a composite composed of carboxylated multi-wall carbon nanotubes (cMWCNT) incorporated in a metal–organic framework (MOF-199) has been synthesized using 1,3,5-benzoic acid as a ligand through a simple solvothermal method. The synthesized cMWCNT/MOF-199 composite was characterized by scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR) and X-ray diffractometry (XRD). The cMWCNT/MOF-199 hybrids were modified on the surface of glassy carbon electrodes (GCE) to prepare a molecularly imprinted electrochemical sensor (MIECS) for specific recognition of 3-chloro-1,2-propanediol (3-MCPD). The electrodes were characterized by differential pulse voltammetry (DPV), electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV). Under optimal conditions, the electrochemical sensor exhibited an excellent sensitivity and high selectivity with a good linear response range from 1.0 × 10−9 to 1.0 × 10−5 mol L−1 and an estimated detection limit of 4.3 × 10−10 mol L−1. Furthermore, this method has been successfully applied to the detection of 3-MCPD in soy sauce, and the recovery ranged from 96% to 108%, with RSD lower than 5.5% (n = 3), showing great potential for the selective analysis of 3-MCPD in foodstuffs. In this study, cMWCNT/MOF-199 composites were used as the modified electrodes, and a MIECS having specific recognition of 3-MCPD was prepared by electrochemical polymerization for selective analysis of 3-MCPD in foodstuffs.![]()
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Affiliation(s)
- Shuang Han
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar 161006 China .,Heilongjiang Provincial Key Laboratory of Catalytic Synthesis for Fine Chemicals, Qiqihar University Qiqihar 161006 China
| | - Yuxin Ding
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar 161006 China
| | - Fu Teng
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar 161006 China
| | - Aixin Yao
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar 161006 China
| | - Qiuxue Leng
- College of Chemistry and Chemical Engineering, Qiqihar University Qiqihar 161006 China
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A photoelectrochemical sensor based on Z-Scheme TiO 2@Au@CdS and molecularly imprinted polymer for uric acid detection. Mikrochim Acta 2021; 188:188. [PMID: 33991252 DOI: 10.1007/s00604-021-04841-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 05/02/2021] [Indexed: 10/21/2022]
Abstract
A novel photoelectrochemical (PEC) sensor based on "Z-scheme" TiO2@Au@CdS and molecularly imprinted polymer (MIP) was developed for the non-invasive detection of uric acid (UA). The "Z-scheme" material, consisting of an electron-transfer system (Au) and two isolated photochemical systems (CdS, TiO2), was synthesized by chemical deposition method and it worked as a substrate for electro-polymerization of MIP. Due to the high photoelectric conversion efficiency provided by TiO2@Au@CdS and specific imprinting effect afforded by MIP, the sensor displayed desirable sensing performance with the merits of sensitivity, selectivity, repeatability, and stability. The linear range for UA detection is from 1 nM to 9 μM with the detection limit of 0.3 nM (S/N = 3). Moreover, the assay was successfully utilized to measure UA in human tears and offered a reliable result. The incorporation of MIP and "Z-scheme" material into a PEC sensor system is expected to provide a promising strategy for detecting other small molecules.
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Recent developments in non-enzymatic (bio)sensors for detection of pesticide residues: Focusing on antibody, aptamer and molecularly imprinted polymer. Talanta 2021; 232:122397. [PMID: 34074393 DOI: 10.1016/j.talanta.2021.122397] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 12/13/2022]
Abstract
The utilization of pesticides has been increased in recent years due to population growth and increasing urbanization. The constant use of pesticides has resulted in contamination of the environment and agricultural products with serious human health concerns associated with their use. Therefore, detection and quantification of pesticides by sensitive and selective methods is highly required in food safety management. Traditional detection methods cannot realize highly sensitive, selective and on-site detection, which limits their application. (Bio)sensors and (bio)assays are emerging tools with unique properties such as rapid, sensitive, efficient and portable detection. Among them, enzyme-based biosensors have been widely developed and some have even been commercialized. However, they suffer from some limitations such as instability and low reproducibility that originate from the nature of enzyme. Non-enzymatic (bio)sensors overcome the current limitations of enzyme-based detection methods and provide great potential for efficient, highly sensitive and low-cost detection assays using smart and miniaturized devices. In this study, we provide an overview of recent advances and new trends in optical and electrochemical non-enzymatic (bio)sensors for the detection of pesticides by focusing on antibody, aptamer and molecularly imprinted polymer (MIP) as recognition elements. Performance, advantages and drawbacks of the developed (bio)sensors are discussed well. The main advantage these recognition elements is their stability over an extended period of time compared to the enzymes. Furthermore, the combination of nanomaterials in these (bio)sensors can significantly improve their performance.
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Li W, Zhang X, Hu X, Shi Y, Li Z, Huang X, Zhang W, Zhang D, Zou X, Shi J. A smartphone-integrated ratiometric fluorescence sensor for visual detection of cadmium ions. JOURNAL OF HAZARDOUS MATERIALS 2021; 408:124872. [PMID: 33387715 DOI: 10.1016/j.jhazmat.2020.124872] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 06/12/2023]
Abstract
A novel fluorescence sensing platform was fabricated for visual detection of cadmium ions (Cd2+) with excellent stability and portability. In this protocol, dual-emission ratiometric fluorescence probe were constructed based on silicon oxide-coated copper nanoclusters (CuNCs@SiO2) as a signal reference and cadmium telluride quantum dots (CdTe QDs) as signal response, thereby greatly improving the accuracy of test results. The level of Cd2+ can be reported within a wide linear range from 0.010 mg·L-1 to 2.0 mg·L-1 with a sensitive detection limit of 1.1 μg·L-1 (2.75 μg·kg-1) and a quick sample-to-answer monitoring time of 6 min, which was quite qualified for regularly monitoring Cd2+. Moreover, aiming to attain portable analysis, the smartphone as colorimetric reader and analyzer were also utilized for rapidly analyzing Cd2+ by capturing the change in fluorescence color. Additionally, benefiting from the strong combination of 1, 10-phenanthroline (Phen) and Cd2+, the fluorescence probe showed excellent anti-interference activities for Cd2+ assay in complex oyster matrix. Overall, the sensing platform had significant stability, specificity and sensitivity, offering a promising potential for conveniently evaluating the quality of marine bivalves polluted with Cd2+.
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Affiliation(s)
- Wenting Li
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xinai Zhang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xuetao Hu
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Yongqiang Shi
- School of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang 310058, China
| | - Zhihua Li
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaowei Huang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Wen Zhang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Di Zhang
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Xiaobo Zou
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Jiyong Shi
- Agricultural Product Processing and Storage Lab, School of Food and Biological Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013, China.
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Ultrasensitive determination of nitrite based on electrochemical platform of AuNPs deposited on PDDA-modified MXene nanosheets. Talanta 2020; 221:121605. [PMID: 33076135 DOI: 10.1016/j.talanta.2020.121605] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/22/2020] [Accepted: 08/27/2020] [Indexed: 02/07/2023]
Abstract
An ultrasensitive and high-performance electrochemical nitrite sensing platform based on gold nanoparticles deposited on poly (dimethyl diallyl ammonium chloride)-decorated MXene (Ti3C2Tx) (AuNPs/Ti3C2Tx-PDDA) was constructed. AuNPs/Ti3C2Tx-PDDA on the surface of electrode displayed synergetic catalytic effect for oxidizing NO2‾ originating from especially catalytic activity of AuNPs, large area and excellent conductivity of Ti3C2Tx, as well as electrostatic interaction of PDDA. The amperometry technique was employed for quantitative determination of nitrite, in which the AuNPs/Ti3C2Tx-PDDA/GCE sensing platform showed outstanding linear relationship in 0.1-2490 μM and 2490-13490 μM for nitrite, meanwhile the detection limit of 0.059 μM. Besides, the prepared sensor possessed high sensitivity of 250 μA mM-1 cm-2 yet excellent selectivity, stability and reproducibility. Furthermore, this platform also exhibited satisfactory feasibility of nitrite sensing in running water and ham sausage sample. This work would broaden a facile approach to construct high sensitivity electrochemical sensing platform via two-dimension materials and its nanocomposites.
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