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Qin M, Khan IM, Ding N, Qi S, Dong X, Zhang Y, Wang Z. Aptamer-modified paper-based analytical devices for the detection of food hazards: Emerging applications and future perspective. Biotechnol Adv 2024; 73:108368. [PMID: 38692442 DOI: 10.1016/j.biotechadv.2024.108368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/10/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
Food analysis plays a critical role in assessing human health risks and monitoring food quality and safety. Currently, there is a pressing need for a reliable, portable, and quick recognition element for point-of-care testing (POCT) to better serve the demands of on-site food analysis. Aptamer-modified paper-based analytical devices (Apt-PADs) have excellent characteristics of high portability, high sensitivity, high specificity, and on-site detection, which have been widely used and concerned in the field of food safety. The article reviews the basic components and working principles of Apt-PADs, and introduces their representative applications detecting food hazards. Finally, the advantages, challenges, and future directions of Apt-PADs-based sensing performance are discussed, to provide new directions and insights for researchers to select appropriate Apt-PADs according to specific applications.
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Affiliation(s)
- Mingwei Qin
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Imran Mahmood Khan
- Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, University of Nottingham Ningbo China, Ningbo 315100, PR China
| | - Ning Ding
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shuo Qi
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Xiaoze Dong
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Yin Zhang
- Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu 610106, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; School of Food Science and Technology, Jiangnan University, Wuxi 214122, China; Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu 610106, China; International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; National Engineering Research Center for Functional Food, Jiangnan University, Wuxi 214122, China.
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Zheng X, Zhao Y, Zhang Y, Zhu Y, Zhang J, Xu D, Yang H, Zhou Y. Alkaline phosphatase triggered gold nanoclusters turn-on fluorescence immunoassay for detection of Ochratoxin A. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 304:123317. [PMID: 37688875 DOI: 10.1016/j.saa.2023.123317] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/28/2023] [Accepted: 08/30/2023] [Indexed: 09/11/2023]
Abstract
Ochratoxin A (OTA) is a highly toxic mycotoxin which can cause a variety of diseases. Sensitive detection of OTA is significant for food safety. Herein, a feasible and sensitive immunoassay was established for OTA detection by alkaline phosphatase (ALP) triggered gold nanoclusters (AuNCs) turn-on fluorescence. The fluorescence of the AuNCs can be quenched by Cr6+ induced aggregation of AuNCs and the fluorescence resonance energy transfer (FRET) between AuNCs and Cr6+. Under the catalytic action of ALP-labelled IgG (IgG-ALP), the ascorbic acid 2-phosphate (AA2P) was hydrolyzed to ascorbic acid (AA) for the reducing of Cr6+ to Cr3+. As a result, the degrees of AuNCs aggregation and FRET were weakened and the fluorescence of AuNCs was turned on. The amount of OTA in the sample was negatively correlated with the amount of IgG-ALP captured by anti-OTA monoclonal antibody (McAb) in the microplate. In optimal conditions, the turn-on fluorescence immunoassay had a good linear range of 6.25-100 ng/mL, and the detection limit was 0.693 ng/mL. The recoveries of OTA from corn were 95.89%-101.08% for the fluorescence immunoassay. This work provided a feasible, sensitive and good selectivity fluorescence method for OTA detection.
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Affiliation(s)
- Xiaolong Zheng
- College of Animal Science and Technology, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China
| | - Yanan Zhao
- College of Animal Science and Technology, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China
| | - Yan Zhang
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China
| | - Yuanhua Zhu
- College of Animal Science and Technology, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China
| | - Junxiang Zhang
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China
| | - Die Xu
- College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China
| | - Hualin Yang
- College of Animal Science and Technology, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China; College of Life Science, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China.
| | - Yu Zhou
- College of Animal Science and Technology, Yangtze University, 266 Jingmi Road, Jingzhou, Hubei, 434025, China.
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Chen X, Gao D, Chen J, Wang X, Peng C, Gao H, Wang Y, Li Z, Niu H. A Polyamidoamine-Based Electrochemical Aptasensor for Sensitive Detection of Ochratoxin A. BIOSENSORS 2023; 13:955. [PMID: 37998130 PMCID: PMC10669513 DOI: 10.3390/bios13110955] [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: 09/04/2023] [Revised: 09/29/2023] [Accepted: 10/23/2023] [Indexed: 11/25/2023]
Abstract
Sensitive detection of ochratoxin A (OTA) is significant and essential because OTA may pose risks to human and animal health. Here, we developed an electrochemical aptasensor for OTA analysis using polyamidoamine (PAMAM) dendrimers as a signal amplifier. As a carrier, PAMAM has numerous primary amino groups that can be coupled with thiolated complementary strand DNA (cDNA), allowing it to recognize aptamers bound to the surface of horseradish peroxidase (HRP)-modified gold nanoparticles (AuNPs), thereby improving the sensitivity of the aptasensor. When monitoring the positive samples, OTA was captured by the aptamer fixed on the HRP-conjugated AuNP surface by specific recognition, after which the formed OTA-aptamer conjugates were detached from the electrode surface, ultimately decreasing the electrochemical signal monitored by differential pulse voltammetry. The novel aptasensor achieved a broad linear detection range from 5 to 105 ng L-1 with a low detection limit of 0.31 ng L-1. The proposed aptasensor was successfully applied for OTA analysis in red wine, with recovery rates ranging from 94.15 to 106%. Furthermore, the aptasensor also exhibited good specificity and storage stability. Therefore, the devised aptasensor represents a sensitive, practical and reliable tool for monitoring OTA in agricultural products, which can also be adapted to other mycotoxins.
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Affiliation(s)
- Xiujin Chen
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Dong Gao
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Jiaqi Chen
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Xueqing Wang
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Chifang Peng
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Hongli Gao
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Yao Wang
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Zhaozhou Li
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
| | - Huawei Niu
- Hanan International Joint Laboratory of Food Green Processing and Quality Safety Control, National Demonstration Center for Experimental Food Processing and Safety Education, College of Food and Bioengineering, Henan University of Science and Technology, Luoyang 471000, China; (D.G.); (J.C.); (X.W.); (H.G.); (Y.W.); (Z.L.); (H.N.)
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Liu S, Jiang S, Yao Z, Liu M. Aflatoxin detection technologies: recent advances and future prospects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:79627-79653. [PMID: 37322403 DOI: 10.1007/s11356-023-28110-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Accepted: 06/01/2023] [Indexed: 06/17/2023]
Abstract
Aflatoxins have posed serious threat to food safety and human health. Therefore, it is important to detect aflatoxins in samples rapidly and accurately. In this review, various technologies to detect aflatoxins in food are discussed, including conventional ones such as thin-layer chromatography (TLC), high performance liquid chromatography (HPLC), enzyme linked immunosorbent assay (ELISA), colloidal gold immunochromatographic assay (GICA), radioimmunoassay (RIA), fluorescence spectroscopy (FS), as well as emerging ones (e.g., biosensors, molecular imprinting technology, surface plasmon resonance). Critical challenges of these technologies include high cost, complex processing procedures and long processing time, low stability, low repeatability, low accuracy, poor portability, and so on. Critical discussion is provided on the trade-off relationship between detection speed and detection accuracy, as well as the application scenario and sustainability of different technologies. Especially, the prospect of combining different technologies is discussed. Future research is necessary to develop more convenient, more accurate, faster, and cost-effective technologies to detect aflatoxins.
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Affiliation(s)
- Shenqi Liu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
| | - Shanxue Jiang
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
| | - Zhiliang Yao
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China.
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China.
| | - Minhua Liu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
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Kaur Rajput J. Nanosensors: A smart remedy for early detection of clenbuterol contamination in food. Food Chem 2023; 426:136569. [PMID: 37302312 DOI: 10.1016/j.foodchem.2023.136569] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 06/01/2023] [Accepted: 06/05/2023] [Indexed: 06/13/2023]
Abstract
Veterinary drugs which are primarily meant for livestock treatment have now been categorised under potential food contaminant due to its unregulated usage and abuse. Their over usage by animal workers lead to production of contaminated animal-based food products which contain veterinary drug residues. These drugs are also misused as growth promoters to enhance the muscle to fat ratio in human body. This review highlights the misuse of such a veterinary drug; Clenbuterol. In this review, we have comprehensively discussed the usage of nanosensors to detect clenbuterol in food samples. Colorimetric, fluorescent, electrochemical, SERS and electrochemiluminescence are major categories of nanosensors that have been utilized for this purpose. The mechanism through which these nanosensors detect clenbuterol have been discussed in detail. The limit of detection and recovery percentage values of each nanosensor have been compared. This review will impart significant information on various nanosensors for clenbuterol detection in real samples.
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Affiliation(s)
- Jaspreet Kaur Rajput
- Department of Chemistry, Dr B R Ambedkar National Institute of Technology, Jalandhar 144011, Punjab, India.
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Chen W, Zhang X, Zhang Q, Zhang G, Wu S, Yang H, Zhou Y. Cerium ions triggered dual-readout immunoassay based on aggregation induced emission effect and 3,3′,5,5′-tetramethylbenzidine for fluorescent and colorimetric detection of ochratoxin A. Anal Chim Acta 2022; 1231:340445. [DOI: 10.1016/j.aca.2022.340445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Revised: 09/06/2022] [Accepted: 09/23/2022] [Indexed: 12/01/2022]
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Guo JB, Cheng JS, Wei TL, Wu FM, Tang GH, He QH. An Immuno-Separated Assay for Ochratoxin Detection Coupled with a Nano-Affinity Cleaning-Up for LC-Confirmation. Foods 2022; 11:1155. [PMID: 35454740 PMCID: PMC9026555 DOI: 10.3390/foods11081155] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Revised: 04/02/2022] [Accepted: 04/07/2022] [Indexed: 02/01/2023] Open
Abstract
An immuno-separated assay for ochratoxin A detection coupled with a nano-affinity cleaning up for LC-confirmation was developed. Firstly, ochratoxin A was modified to quantum dot beads for immuno-fluorescent reporters. Secondly, Fe3O4 magnetic nanoparticles were conjugated with protein G for immuno-magnetic adsorbents. The immuno-separation of fluorescent reporters by magnetic adsorbents could be completed by ochratoxin A, so the fluorescent reporters released from the immune complex indicate a linear correlation with the concentration of ochratoxin A. Furthermore, the immuno-separated ochratoxin A can be eluted from magnetic adsorbent for LC-conformation. The optimized assay showed results as follows: the quantitative range of the immuno-separated assay was 0.03-100 ng mL-1 of ochratoxin A. The recoveries for spiked samples ranged from 78.2% to 91.4%, with the relative standard deviation (RSD) being 11.9%~15.3%. Statistical analysis indicated no significant difference between the HPLC-FLD results based on commercial affinity column and by nano-affinity cleaning up.
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Affiliation(s)
- Jie-Biao Guo
- Provincial Key Laboratory for Utilization and Conservation of Food and Medicinal Research in Northern Guangdong, Shaoguan University, No. 288 Daxue Road, Shaoguan 512005, China
| | - Jin-Sheng Cheng
- School of Innovation and Entrepreneurship, Shaoguan University, No. 288 Daxue Road, Shaoguan 512005, China;
| | - Tai-Long Wei
- State Key Laboratory of Food Science and Technology, Sino-Germany Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China;
| | - Fan-Min Wu
- Shaoguan Food and Drug Inspection Institute, No.13 Muxi Road, Shaoguan 512026, China; (F.-M.W.); (G.-H.T.)
| | - Gui-Hong Tang
- Shaoguan Food and Drug Inspection Institute, No.13 Muxi Road, Shaoguan 512026, China; (F.-M.W.); (G.-H.T.)
| | - Qing-Hua He
- State Key Laboratory of Food Science and Technology, Sino-Germany Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China;
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Aptamer-Based Lateral Flow Assays: Current Trends in Clinical Diagnostic Rapid Tests. Pharmaceuticals (Basel) 2022; 15:ph15010090. [PMID: 35056148 PMCID: PMC8781427 DOI: 10.3390/ph15010090] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 12/18/2022] Open
Abstract
The lateral flow assay (LFA) is an extensively used paper-based platform for the rapid and on-site detection of different analytes. The method is user-friendly with no need for sophisticated operation and only includes adding sample. Generally, antibodies are employed as the biorecognition elements in the LFA. However, antibodies possess several disadvantages including poor stability, high batch-to-batch variation, long development time, high price and need for ethical approval and cold chain. Because of these limitations, aptamers screened by an in vitro process can be a good alternative to antibodies as biorecognition molecules in the LFA. In recent years, aptamer-based LFAs have been investigated for the detection of different analytes in point-of-care diagnostics. In this review, we summarize the applications of aptamer technology in LFAs in clinical diagnostic rapid tests for the detection of biomarkers, microbial analytes, hormones and antibiotics. Performance, advantages and drawbacks of the developed assays are also discussed.
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Xiang T, Xu X, Xu L, Liu L, Xu C, Kuang H. Gold-based immunochromatographic strip assay for detecting dimethomorph in vegetables. NEW J CHEM 2022. [DOI: 10.1039/d1nj05652b] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Gold-based immunochromatographic strip assay for detecting dimethomorph in vegetables.
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Affiliation(s)
- Tongyue Xiang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Xinxin Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liguang Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
| | - Hua Kuang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
- International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China
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Huang L, Su E, Liu Y, He N, Deng Y, Jin L, Chen Z, Li S. A microfluidic device for accurate detection of hs-cTnI. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.055] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Jia XX, Li S, Han DP, Chen RP, Yao ZY, Ning BA, Gao ZX, Fan ZC. Development and perspectives of rapid detection technology in food and environment. Crit Rev Food Sci Nutr 2021; 62:4706-4725. [PMID: 33523717 DOI: 10.1080/10408398.2021.1878101] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Food safety become a hot issue currently with globalization of food trade and food supply chains. Chemical pollution, microbial contamination and adulteration in food have attracted more attention worldwide. Contamination with antibiotics, estrogens and heavy metals in water environment and soil environment have also turn into an enormous threat to food safety. Traditional small-scale, long-term detection technologies have been unable to meet the current needs. In the monitoring process, rapid, convenient, accurate analysis and detection technologies have become the future development trend. We critically synthesizing the current knowledge of various rapid detection technology, and briefly touched upon the problem which still exist in research process. The review showed that the application of novel materials promotes the development of rapid detection technology, high-throughput and portability would be popular study directions in the future. Of course, the ultimate aim of the research is how to industrialization these technologies and apply to the market.
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Affiliation(s)
- Xue-Xia Jia
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China.,State Key Laboratory of Food Nutrition and Safety, China International Scientific & Technological Cooperation Base for Health Biotechnology, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, P.R. China
| | - Shuang Li
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China
| | - Dian-Peng Han
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China
| | - Rui-Peng Chen
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China
| | - Zi-Yi Yao
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China
| | - Bao-An Ning
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China
| | - Zhi-Xian Gao
- Institute of Environmental and Operational Medicine, Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin, P.R. China
| | - Zhen-Chuan Fan
- State Key Laboratory of Food Nutrition and Safety, China International Scientific & Technological Cooperation Base for Health Biotechnology, College of Food Engineering and Biotechnology, Tianjin University of Science & Technology, Tianjin, P.R. China
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Kumar P, Mahato DK, Sharma B, Borah R, Haque S, Mahmud MC, Shah AK, Rawal D, Bora H, Bui S. Ochratoxins in food and feed: Occurrence and its impact on human health and management strategies. Toxicon 2020; 187:151-162. [DOI: 10.1016/j.toxicon.2020.08.031] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2020] [Revised: 08/30/2020] [Accepted: 08/31/2020] [Indexed: 12/14/2022]
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13
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Han B, Fang C, Sha L, Jalalah M, Al-Assiri MS, Harraz FA, Cao Y. Cascade strand displacement reaction-assisted aptamer-based highly sensitive detection of ochratoxin A. Food Chem 2020; 338:127827. [PMID: 32822900 DOI: 10.1016/j.foodchem.2020.127827] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Revised: 08/10/2020] [Accepted: 08/10/2020] [Indexed: 11/24/2022]
Abstract
Ochratoxin A (OTA) is a toxic metabolite that is widely distributed in food products. Herein, we proposed a new fluorescent aptasensor for OTA detection by using cascade strand displacement reaction. The binding of OTA and OTA aptamer on magnetic beads surface inhibited its hybridization with complementary DNA, and subsequently initiated the strand displacement reaction that induced amplified fluorescence signal. By tracing fluorescence response, our method demonstrated an improved detection limit of 0.63 ng/mL, a short assay time of 110 min, and a satisfactory detection specificity by using ochratoxin B, aflatoxin B1, and zearalenone as control toxins. Recovery studies were conducted by spiking OTA in real food samples, including white wine, red wine, cereal drink, coffee beverage and tea beverage, and confirmed desirable accuracy and practical applicability of our method. Therefore, our method may have a great potential use in the food quality control in the future.
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Affiliation(s)
- Bing Han
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Cheng Fang
- Department of Spine Surgery, Tongji Hospital, Tongji University School of Medicine, Shanghai 200065, China; Department of Critical Care Unit, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Lingjun Sha
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, China
| | - Mohammed Jalalah
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia
| | - M S Al-Assiri
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia
| | - Farid A Harraz
- Promising Centre for Sensors and Electronic Devices (PCSED), Advanced Materials and Nano-Research Centre, Najran University, P.O. Box: 1988, Najran 11001, Saudi Arabia; Nanomaterials and Nanotechnology Department, Central Metallurgical Research and Development Institute (CMRDI), P.O. 87 Helwan, Cairo 11421, Egypt.
| | - Ya Cao
- Center for Molecular Recognition and Biosensing, School of Life Sciences, Shanghai University, Shanghai 200444, China.
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14
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You KH, Luo XE, Hu WJ, Xu Y, Guo JB, He QH. Environmental-friendly gold nanoparticle immunochromatographic assay for ochratoxin A based on biosynthetic mimetic mycotoxin-conjugates. WORLD MYCOTOXIN J 2020. [DOI: 10.3920/wmj2019.2511] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Ochratoxin A (OTA) is a possibly carcinogenic mycotoxin which is one of the most abundant food contaminants. It can be normally monitored and detected by immunochromatographic assays (ICG) which have a good sensitivity and specificity and easy to operate. However, the development of normal ICG is based on traditional OTA-conjugates or chemosynthetic mimotope peptides, which are very high-cost reagents with a detrimental effect on the environment and operators. This study takes advantage of both biosynthetic mimetic OTA-conjugates and a convenient IGG to develop a novel environmental-friendly and low-cost ICG for the rapid detection of OTA. Qualitatively, the visual cut-off level of the developed ICG for OTA was 0.8 ng/ml, which is 10-fold more sensitive than the chemosynthetic mimotope peptide based ICG, while there is no cross-reaction with other mycotoxins. The assay takes only 15 min to acquire results visible to the naked eye. Quantitatively, the half inhibition concentration of the ICG setup with mimetic OTA-conjugates was 0.187 ng/ml, with a linear range of 0.015 to 0.5 ng/ml. These results demonstrate the potential to adapt the method for detecting other toxic mycotoxins.
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Affiliation(s)
- K-H. You
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
- College of Food, Nanchang University, Nanchang 330031, China P.R
| | - X-E. Luo
- College of Food, Nanchang University, Nanchang 330031, China P.R
| | - W-J. Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
- College of Food, Nanchang University, Nanchang 330031, China P.R
| | - Y. Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
- Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
| | - J-B. Guo
- Yingdong College of Food Science and Technology, Shaoguan University, No. 288 University Road, Shaoguan 512005, China P.R
| | - Q-H. He
- State Key Laboratory of Food Science and Technology, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
- College of Food, Nanchang University, Nanchang 330031, China P.R
- Sino-German Joint Research Institute, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
- Jiangxi Province Key Laboratory of Modern Analytical Sciences, Nanchang University, No. 235 Nanjing East Road, Nanchang 330047, China P.R
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15
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Immunochromatographic System for Serodiagnostics of Cattle Brucellosis Using Gold Nanoparticles and Signal Amplification with Quantum Dots. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10030738] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
In this article, we describe an immunochromatographic test system developed for rapid serodiagnostics of cattle brucellosis using two markers: Gold nanoparticles (GNPs) and quantum dots (QDs). The test system was compared with immunochromatographic serodiagnostics systems that use only one marker. The approbation of the test system was conducted on samples of cattle sera with low, but diagnostically significant titers of specific antibodies. We show that when two conjugates are used, the intensity of the detectable signal increases by 2–3 times compared with the test system using the QD conjugate and by more than nine times compared with the system using the GNP conjugate.
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16
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Zhang S, Chai H, Cheng K, Song L, Chen W, Yu L, Lu Z, Liu B, Zhao YD. Ultrasensitive and regenerable nanopore sensing based on target induced aptamer dissociation. Biosens Bioelectron 2020; 152:112011. [PMID: 32056734 DOI: 10.1016/j.bios.2020.112011] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Revised: 12/24/2019] [Accepted: 01/07/2020] [Indexed: 02/05/2023]
Abstract
For ionic current rectification (ICR) based sensing, nanopore functionalizations are mostly designed for directly binding target molecules to generate detectable signals from surface charge variation. However, this strategy is highly dependent on the charge difference between the captured molecules and surface functionalization layers, which will increase the nanopore design difficulty and subsequently limit the nanopore applicability. Another key challenge for ICR based sensing is the nanopore regenerability that is critical if online monitoring or repeated determination needs to be performed with one sensor. Though some types of nanopore regeneration have been realized on some specific targets or with harsh conditions, it is still highly favored to develop a regenerability using mild conditions for various targets. To address these two challenges, we developed a novel and universal sensing strategy for aptamer-functionalized nanopore that can be easily regenerated after each usage without any harsh conditions and independent of target molecule charge or size for ICR based nanopore sensing. Ochratoxin A (OTA) was used as a model analyte and its corresponding aptamer partially hybridized with the pre-immobilized complementary DNA (cDNA) onto the nanopore inner surface. We demonstrated that the recognition and conjugation of OTA with its aptamer resulted in rectified ionic current variations due to the dissociation between the OTA aptamer and its partially paired cDNA. The performance of this nanopore sensor including sensitivity, selectivity, regenerability, and applicability was characterized using rectified ionic current. This nanopore sensing strategy will provide a promising platform for extensive targets and online sensing applications.
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Affiliation(s)
- Shujie Zhang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, PR China
| | - Huihui Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, PR China
| | - Kai Cheng
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Laibo Song
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Wei Chen
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China.
| | - Ling Yu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, PR China.
| | - Zhisong Lu
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, Institute for Clean Energy and Advanced Materials, Faculty of Materials and Energy, Southwest University, Chongqing, 400715, PR China
| | - Bo Liu
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China
| | - Yuan-Di Zhao
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, PR China.
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Freitas A, Barros S, Brites C, Barbosa J, Silva AS. Validation of a Biochip Chemiluminescent Immunoassay for Multi-Mycotoxins Screening in Maize (Zea mays L.). FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01625-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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Alhamoud Y, Yang D, Fiati Kenston SS, Liu G, Liu L, Zhou H, Ahmed F, Zhao J. Advances in biosensors for the detection of ochratoxin A: Bio-receptors, nanomaterials, and their applications. Biosens Bioelectron 2019; 141:111418. [PMID: 31228729 DOI: 10.1016/j.bios.2019.111418] [Citation(s) in RCA: 84] [Impact Index Per Article: 16.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 01/20/2023]
Abstract
Ochratoxin A (OTA) is a class of mycotoxin mainly produced by the genera Aspergillus and Penicillium. OTA can cause various forms of kidney, liver and brain diseases in both humans and animals although trace amount of OTA is normally present in food. Therefore, development of fast and sensitive detection technique is essential for accurate diagnosis of OTA. Currently, the most commonly used detection methods are enzyme-linked immune sorbent assays (ELISA) and chromatographic techniques. These techniques are sensitive but time consuming, and require expensive equipment, highly trained operators, as well as extensive preparation steps. These drawbacks limit their wide application in OTA detection. On the contrary, biosensors hold a great potential for OTA detection at for both research and industry because they are less expensive, rapid, sensitive, specific, simple and portable. This paper aims to provide an extensive overview on biosensors for OTA detection by highlighting the main biosensing recognition elements for OTA, the most commonly used nanomaterials for fabricating the sensing interface, and their applications in different read-out types of biosensors. Current challenges and future perspectives are discussed as well.
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Affiliation(s)
- Yasmin Alhamoud
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Danting Yang
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China; Graduate School of Biomedical Engineering, ARC Centre of Excellence in Nanoscale BioPhotonics (CNBP), Faculty of Engineering, The University of New South Wales, Sydney, Sydney, 2052, Australia.
| | - Samuel Selorm Fiati Kenston
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Guozhen Liu
- Graduate School of Biomedical Engineering, ARC Centre of Excellence in Nanoscale BioPhotonics (CNBP), Faculty of Engineering, The University of New South Wales, Sydney, Sydney, 2052, Australia
| | - Linyang Liu
- Graduate School of Biomedical Engineering, ARC Centre of Excellence in Nanoscale BioPhotonics (CNBP), Faculty of Engineering, The University of New South Wales, Sydney, Sydney, 2052, Australia
| | - Haibo Zhou
- Institute of Pharmaceutical Analysis and Guangdong Province Key Laboratory of Pharmacodynamic Constituents of Traditional Chinese Medicine & New Drug Research, College of Pharmacy, Jinan University, Guangzhou, 510632, China
| | - Fatma Ahmed
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China
| | - Jinshun Zhao
- Department of Preventative Medicine, Zhejiang Key Laboratory of Pathophysiology, Medical School of Ningbo University, 818 Fenghua Road, Ningbo, Zhejiang Province, 315211, People's Republic of China.
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Oh HK, Joung HA, Jung M, Lee H, Kim MG. Rapid and Simple Detection of Ochratoxin A using Fluorescence Resonance Energy Transfer on Lateral Flow Immunoassay (FRET-LFI). Toxins (Basel) 2019; 11:E292. [PMID: 31126081 PMCID: PMC6563163 DOI: 10.3390/toxins11050292] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/22/2019] [Accepted: 05/23/2019] [Indexed: 11/16/2022] Open
Abstract
The detection of mycotoxins is crucial because of their toxicity in plants, animals, and humans. It is very important to determine whether food products are contaminated with mycotoxins such as ochratoxin A (OTA), as mycotoxins can survive heat treatments and hydrolysis. In this study, we designed a fluorescence resonance energy transfer (FRET)-based system that exploits antibody-antigen binding to detect mycotoxins more rapidly and easily than other currently available methods. In addition, we were able to effectively counteract the matrix effect in the sample by using a nitrocellulose membrane that enabled fluorescence measurement in coffee samples. The developed FRET on lateral flow immunoassay (FRET-LFI) system was used to detect OTA at a limit of detection (LOD) of 0.64 ng∙mL-1, and the test can be completed in only 30 min. Moreover, OTA in coffee samples was successfully detected at a LOD of 0.88 ng∙mL-1, overcoming the matrix effect, owing to the chromatographic properties of the capillary force of the membrane. We believe that the developed system can be used as a powerful tool for the sensitive diagnosis of harmful substances such as mycotoxins and pesticides for environmental and food quality control monitoring.
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Affiliation(s)
- Hyun-Kyung Oh
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdangawgi-ro, Buk-gu, Gwangju 61005, Korea.
| | - Hyou-Arm Joung
- Electrical & Computer Engineering Department, University of California, Los Angeles, CA 90095, USA.
| | - Minhyuk Jung
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdangawgi-ro, Buk-gu, Gwangju 61005, Korea.
| | - Hohjai Lee
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdangawgi-ro, Buk-gu, Gwangju 61005, Korea.
| | - Min-Gon Kim
- Department of Chemistry, Gwangju Institute of Science and Technology, 123 Cheomdangawgi-ro, Buk-gu, Gwangju 61005, Korea.
- INGIbio Co. Ltd., R&D Center, 206, APRI, 123 Cheomdangawgi-ro, Buk-gu, Gwangju 61005, Korea.
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20
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Development of a simple and rapid method for the detection of isomiroestrol in Pueraria candollei by an immunochromatographic strip test. J Nat Med 2019; 73:577-583. [PMID: 30976950 DOI: 10.1007/s11418-019-01307-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Accepted: 04/01/2019] [Indexed: 10/27/2022]
Abstract
Pueraria candollei (P. candollei) is a traditional Thai herb widely used for estrogen replacement therapy because it contains many unique chromenes that possess potent estrogenic activity, one of which is known as isomiroestrol. Since isomiroestrol is a promising compound that is solely present in P. candollei, it can be used as an identifying marker for standardization of P. candollei. Here, we developed a lateral-flow immunochromatographic strip (ICS) test using a colloidal gold nanoparticle-conjugated anti-isomiroestrol monoclonal antibody (12C1-mAb) for the detection of isomiroestrol in plant samples and products of P. candollei. The advantages of the developed ICS over an enzyme-linked immunosorbent assay are its simplicity and rapidity, as the ICS test can be completed 15 min after dipping the strip into the analyte solution. The detectable concentration of isomiroestrol was 7.0 µg/mL. Considering the demand for the standardization of P. candollei due to concerns regarding its quality, our ICS test using isomiroestrol as an identifying marker would be effective and useful to assess the presence of isomiroestrol.
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21
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22
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Zhang X, He K, Fang Y, Cao T, Paudyal N, Zhang XF, Song HH, Li XL, Fang WH. Dual flow immunochromatographic assay for rapid and simultaneous quantitative detection of ochratoxin A and zearalenone in corn, wheat, and feed samples. J Zhejiang Univ Sci B 2019; 19:871-883. [PMID: 30387337 DOI: 10.1631/jzus.b1800085] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A one-step dual flow immunochromatographic assay (DICGA), based on a competitive format, was developed for simultaneous quantification of ochratoxin A (OTA) and zearalenone (ZEN) in corn, wheat, and feed samples. The limit of detection for OTA was 0.32 ng/ml with a detection range of 0.53‒12.16 ng/ml, while for ZEN it was 0.58 ng/ml with a detection range of 1.06‒39.72 ng/ml. The recovery rates in corn, wheat, and feed samples ranged from 77.3% to 106.3% with the coefficient of variation lower than 15%. Naturally contaminated corn, wheat, and feed samples were analyzed using both DICGA and liquid chromatography-tandem mass spectrometry (LC-MS/MS) and the correlation between the two methods was evaluated using a regression analysis. The DICGA method shows great potential for simple, rapid, sensitive, and cost-effective quantitative detection of OTA and ZEN in food safety control.
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Affiliation(s)
- Xian Zhang
- China-Australian Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, Zhejiang A&F University, Lin'an 311300, China.,Zhejiang University Institute of Preventive Veterinary Medicine, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou 310058, China
| | - Ke He
- China-Australian Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, Zhejiang A&F University, Lin'an 311300, China
| | - Yun Fang
- Zhejiang Academy of Science and Technology for Inspection and Quarantine, Hangzhou 310012, China
| | - Tong Cao
- Zhejiang University Institute of Preventive Veterinary Medicine, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou 310058, China
| | - Narayan Paudyal
- Zhejiang University Institute of Preventive Veterinary Medicine, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou 310058, China
| | - Xiao-Feng Zhang
- Zhejiang Academy of Science and Technology for Inspection and Quarantine, Hangzhou 310012, China
| | - Hou-Hui Song
- China-Australian Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, Zhejiang A&F University, Lin'an 311300, China
| | - Xiao-Liang Li
- Zhejiang University Institute of Preventive Veterinary Medicine, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou 310058, China
| | - Wei-Huan Fang
- China-Australian Joint Laboratory for Animal Health Big Data Analytics, Zhejiang Provincial Engineering Laboratory for Animal Health Inspection and Internet Technology, College of Animal Science and Technology, Zhejiang A&F University, Lin'an 311300, China.,Zhejiang University Institute of Preventive Veterinary Medicine, Zhejiang Provincial Key Laboratory of Preventive Veterinary Medicine, Hangzhou 310058, China
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23
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Rapid detection of Escherichia coli O157:H7 by a fluorescent microsphere-based immunochromatographic assay and immunomagnetic separation. Anal Biochem 2019; 564-565:32-39. [DOI: 10.1016/j.ab.2018.10.009] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 09/30/2018] [Accepted: 10/07/2018] [Indexed: 02/06/2023]
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24
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Rehmat Z, Mohammed WS, Sadiq MB, Somarapalli M, Kumar Anal A. Ochratoxin A detection in coffee by competitive inhibition assay using chitosan-based surface plasmon resonance compact system. Colloids Surf B Biointerfaces 2018; 174:569-574. [PMID: 30502668 DOI: 10.1016/j.colsurfb.2018.11.060] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 11/17/2018] [Accepted: 11/24/2018] [Indexed: 10/27/2022]
Abstract
This study demonstrates the evaluation of ochratoxin A (OTA) in coffee on compact surface plasmon resonance (SPR) biosensors based on crosslinked chitosan and carboxymethyl chitosan nanomatrix substrates. Ochratoxin A is a toxic secondary metabolite widely produced by Aspergillus and Penicillium fungi and requires regular quantification and detection in food samples. The gold coated SPR chips were synthesized with chitosan and carboxymethyl chitosan through spin coating technique. The SPR nanomatrix chips were used for the immobilization of ochratoxin A-bovine serum albumin (OTA-BSA) conjugate to develop a competitive inhibition immunoassay. The monoclonal ochratoxin A antibodies (mAb-OTA) were used as biological receptors for the detection of OTA in buffer and coffee samples. The limit of detection (LOD) in coffee for chitosan (CS) and carboxymethyl chitosan (CMC) substrates was 5.7 ng/mL and 3.8 ng/mL, respectively. Compact surface plasmon resonance (SPR) system based on chitosan-based (CS-AU) nanomatrix substrates provides a platform for the detection of ochratoxin A with high sensitivity, accuracy, ease-of-use and cost-effectiveness. This compact SPR system can be used at farm and industrial levels for the detection of OTA in food matrices.
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Affiliation(s)
- Zainia Rehmat
- Food Engineering and Bioprocess Technology, Department of Food, Agriculture and Bioresources, Asian Institute of Technology, Pathumthani 12120, Thailand
| | - Waleed S Mohammed
- Center of Research in Optoelectronics, Communication and Control Systems (BU-CROCCS), Bangkok University, Pathumthani 12120, Thailand
| | - Muhammad Bilal Sadiq
- Food Engineering and Bioprocess Technology, Department of Food, Agriculture and Bioresources, Asian Institute of Technology, Pathumthani 12120, Thailand
| | - Manjunath Somarapalli
- Center of Research in Optoelectronics, Communication and Control Systems (BU-CROCCS), Bangkok University, Pathumthani 12120, Thailand
| | - Anil Kumar Anal
- Food Engineering and Bioprocess Technology, Department of Food, Agriculture and Bioresources, Asian Institute of Technology, Pathumthani 12120, Thailand.
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25
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Majdinasab M, Zareian M, Zhang Q, Li P. Development of a new format of competitive immunochromatographic assay using secondary antibody-europium nanoparticle conjugates for ultrasensitive and quantitative determination of ochratoxin A. Food Chem 2018; 275:721-729. [PMID: 30724255 DOI: 10.1016/j.foodchem.2018.09.112] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 09/17/2018] [Accepted: 09/18/2018] [Indexed: 01/18/2023]
Abstract
In this study, to enhance the sensitivity of conventional immunochromatographic assay (ICA) two strategies including using a high sensitive label and changing the assay format, were simultaneously applied to develop an ultrasensitive format of ICA. In new format, primary monoclonal antibody against ochratoxin A (OTA) was used without any labeling, and a secondary polycolonal antibody was labeled with europium fluorescent nanoparticles (EuNPs). Detection was performed in a single step by inserting the test strip into a microtube containing all reagents. The results were obtained within 12 min and read by a portable fluorescent strip reader. Salient features of the new format of ICA compared with conventional format include: (1) A 100-fold decrease in limit of detection (LOD) due to application of two amplification strategy; (2) Reduction in expensive monoclonal antibody consumption. The established method was evaluated for the quantitative determination of OTA with LOD as low as 0.4 pg mL-1.
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Affiliation(s)
- Marjan Majdinasab
- Department of Food Science and Technology, College of Agriculture, Shiraz University, Shiraz 71441-65186, Iran
| | - Mohsen Zareian
- Fraunhofer Institute for Process Engineering and Packaging IVV, Freising 85354, Germany
| | - Qi Zhang
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan 430062, People's Republic of China; Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan 430062, People's Republic of China; Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, People's Republic of China.
| | - Peiwu Li
- Oil Crops Research Institute of the Chinese Academy of Agricultural Sciences, Wuhan 430062, People's Republic of China; Key Laboratory of Biology and Genetic Improvement of Oil Crops, Ministry of Agriculture, Wuhan 430062, People's Republic of China; Key Laboratory of Detection for Mycotoxins, Ministry of Agriculture, Wuhan 430062, People's Republic of China; Laboratory of Risk Assessment for Oilseeds Products, Wuhan, Ministry of Agriculture, Wuhan 430062, People's Republic of China; Quality Inspection and Test Center for Oilseeds Products, Ministry of Agriculture, Wuhan 430062, People's Republic of China.
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26
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López-Puertollano D, Mercader JV, Agulló C, Abad-Somovilla A, Abad-Fuentes A. Novel haptens and monoclonal antibodies with subnanomolar affinity for a classical analytical target, ochratoxin A. Sci Rep 2018; 8:9761. [PMID: 29950703 PMCID: PMC6021394 DOI: 10.1038/s41598-018-28138-x] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 06/18/2018] [Indexed: 01/28/2023] Open
Abstract
Ochratoxin A is a potent toxic fungal metabolite whose undesirable presence in food commodities constitutes a problem of public health, so it is strictly regulated and controlled. For the first time, two derivatives of ochratoxin A (OTAb and OTAd) functionalized through positions other than the native carboxyl group of the mycotoxin, have been synthesized in order to better mimic, during the immunization process, the steric and conformational properties of the target analyte. Additionally, two conventional haptens making use of that native carboxyl group for protein coupling (OTAe and OTAf) were also prepared as controls for the purpose of comparison. The immunological performance in rabbits of protein conjugates based on OTAb and OTAd overcome that of conjugates employing OTAe and OTAf as haptens. After immunization of mice with OTAb and OTAd conjugates, a collection of high-affinity monoclonal antibodies to ochratoxin A was generated. In particular, one of those antibodies, the so-called OTAb#311, is very likely the best antibody produced so far in terms of selectivity and affinity to ochratoxin A.
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Affiliation(s)
- Daniel López-Puertollano
- Department of Organic Chemistry, University of Valencia, Doctor Moliner 50, 46100, Burjassot, Valencia, Spain
| | - Josep V Mercader
- Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC), Agustí Escardino 7, 46980, Paterna, Valencia, Spain
| | - Consuelo Agulló
- Department of Organic Chemistry, University of Valencia, Doctor Moliner 50, 46100, Burjassot, Valencia, Spain
| | - Antonio Abad-Somovilla
- Department of Organic Chemistry, University of Valencia, Doctor Moliner 50, 46100, Burjassot, Valencia, Spain
| | - Antonio Abad-Fuentes
- Institute of Agrochemistry and Food Technology (IATA), Spanish National Research Council (CSIC), Agustí Escardino 7, 46980, Paterna, Valencia, Spain.
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27
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Sheikh-Zeinoddin M, Khalesi M. Biological detoxification of ochratoxin A in plants and plant products. TOXIN REV 2018. [DOI: 10.1080/15569543.2018.1452264] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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28
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Zhang M, Yan L, Huang Q, Bu T, Yu S, Zhao X, Wang J, Zhang D. Highly sensitive simultaneous detection of major ochratoxins by an immunochromatographic assay. Food Control 2018. [DOI: 10.1016/j.foodcont.2017.07.035] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Liu L, Xu L, Suryoprabowo S, Song S, Kuang H. Development of an immunochromatographic test strip for the detection of ochratoxin A in red wine. FOOD AGR IMMUNOL 2017. [DOI: 10.1080/09540105.2017.1401043] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
- Liqiang Liu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
| | - Liguang Xu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
| | - Steven Suryoprabowo
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
| | - Shanshan Song
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
| | - Hua Kuang
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
- Collaborative Innovation center of Food Safety and Quality Control in Jiangsu Province, Jiangnan University, Wuxi, JiangSu, People’s Republic of China
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30
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Li X, Yang F, Wong JXH, Yu HZ. Integrated Smartphone-App-Chip System for On-Site Parts-Per-Billion-Level Colorimetric Quantitation of Aflatoxins. Anal Chem 2017; 89:8908-8916. [DOI: 10.1021/acs.analchem.7b01379] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- Xiaochun Li
- Key
Laboratory of Advanced Transducers and Intelligent Control Systems
(Ministry of Education and Shanxi Province), College of Physics and
Optoelectronics, Taiyuan University of Technology, Taiyuan, Shanxi 030024, P.R. China
| | - Fan Yang
- Key
Laboratory of Advanced Transducers and Intelligent Control Systems
(Ministry of Education and Shanxi Province), College of Physics and
Optoelectronics, Taiyuan University of Technology, Taiyuan, Shanxi 030024, P.R. China
| | - Jessica X. H. Wong
- Department
of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
| | - Hua-Zhong Yu
- Key
Laboratory of Advanced Transducers and Intelligent Control Systems
(Ministry of Education and Shanxi Province), College of Physics and
Optoelectronics, Taiyuan University of Technology, Taiyuan, Shanxi 030024, P.R. China
- Department
of Chemistry, Simon Fraser University, Burnaby, British Columbia V5A 1S6, Canada
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Tripathi P, Upadhyay N, Nara S. Recent advancements in lateral flow immunoassays: A journey for toxin detection in food. Crit Rev Food Sci Nutr 2017; 58:1715-1734. [PMID: 28071928 DOI: 10.1080/10408398.2016.1276048] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Biotechnology embraces various physical and chemical phenomena toward advancement of health diagnostics. Toward such advancement, detection of toxins plays an important role. Toxins produce severe health impacts on consumption with high mortality associated in acute cases. The most prominent route of infection and intoxication is through food matrices. Therefore, rapid detection of toxins at low concentrations is the need of modern diagnostics. Lateral flow immunoassays are one of the emergent and popularly used rapid detection technology developed for detecting various kinds of analytes. This review thus focuses on recent advancements in lateral flow immunoassays for detecting different toxins in agricultural food. Appropriate emphasis was given on how the labels, recognition elements, or detection strategy has laid an impact on improvement in immunochromatographic assays for toxins. The paper also discusses the gradual change in sensitivities and specificities of assays in accordance with the method of food processing used. The review concludes with the major challenges faced by this technology and provides an outlook and insight of ideas to improve it in the future.
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Affiliation(s)
- Pranav Tripathi
- a Department of Biotechnology , Motilal Nehru National Institute of Technology , Allahabad , Uttar Pradesh , India
| | - Neha Upadhyay
- a Department of Biotechnology , Motilal Nehru National Institute of Technology , Allahabad , Uttar Pradesh , India
| | - Seema Nara
- a Department of Biotechnology , Motilal Nehru National Institute of Technology , Allahabad , Uttar Pradesh , India
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32
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Man Y, Liang G, Jia F, Li A, Fu H, Wang M, Pan L. Development of an Immunochromatographic Strip Test for the Rapid Detection of Alternariol Monomethyl Ether in Fruit. Toxins (Basel) 2017; 9:toxins9050152. [PMID: 28468234 PMCID: PMC5450700 DOI: 10.3390/toxins9050152] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2017] [Revised: 04/21/2017] [Accepted: 04/22/2017] [Indexed: 12/25/2022] Open
Abstract
A rapid, portable, and semi-quantitative immunochromatographic strip was developed for rapid and visual detection of alternariol monomethyl ether (AME). For this purpose, the anti-AME monoclonal antibody (mAb) was prepared and identified. AME coupled to bovine serum albumin (BSA) via methyl 4-bromobutanoate was prepared as immunogen. The recoveries of AME in spiked cherry and orange fruits determined by competitive ELISA were 86.1% and 80.7%, respectively. A colloidal gold nanoparticle (CGN) and CGNs-mAb conjugate were synthesized, and on this basis, a competitive colloidal gold immunochromatographic strip was developed and applied to the detection of AME toxin in fruit samples. The intensity of red density of the test line (T line) is inversely proportional to AME concentration in the range 0.1-10 ng/mL. The visual limit of detection (LOD) of AME was found to be about 10 ng/mL. The semi-quantitative detection can be completed in 10 min. Moreover, the immunochromatographic strip has lower cross-reactivity with AME analogues, and it has a good stability performance (following 3 months of storage). Hence, the colloidal gold immunochromatographic strip could be used as a semi-quantitative tool for the on-site, rapid, and visual detection of AME in fruit.
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Affiliation(s)
- Yan Man
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Risk Assessment Lab for Agro-Products (Beijing), Ministry of Agriculture P.R. China, Beijing 100125, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Gang Liang
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Risk Assessment Lab for Agro-Products (Beijing), Ministry of Agriculture P.R. China, Beijing 100125, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Fuchao Jia
- School of Science, Shandong University of Technology, Zibo 255000, Shandong, China.
| | - An Li
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Risk Assessment Lab for Agro-Products (Beijing), Ministry of Agriculture P.R. China, Beijing 100125, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Hailong Fu
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Risk Assessment Lab for Agro-Products (Beijing), Ministry of Agriculture P.R. China, Beijing 100125, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Meng Wang
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Risk Assessment Lab for Agro-Products (Beijing), Ministry of Agriculture P.R. China, Beijing 100125, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
| | - Ligang Pan
- Beijing Research Center for Agricultural Standards and Testing, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China.
- Risk Assessment Lab for Agro-Products (Beijing), Ministry of Agriculture P.R. China, Beijing 100125, China.
- Beijing Municipal Key Laboratory of Agriculture Environment Monitoring, Beijing 100097, China.
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33
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Zhang X, Eremin SA, Wen K, Yu X, Li C, Ke Y, Jiang H, Shen J, Wang Z. Fluorescence Polarization Immunoassay Based on a New Monoclonal Antibody for the Detection of the Zearalenone Class of Mycotoxins in Maize. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:2240-2247. [PMID: 28231710 DOI: 10.1021/acs.jafc.6b05614] [Citation(s) in RCA: 71] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
To develop a sensitive fluorescence polarization immunoassay (FPIA) for screening the zearalenone class of mycotoxins in maize, two new monoclonal antibodies with uniform affinity to the zearalenone class and four fluorescein-labeled tracers were prepared. After careful selection of appropriate tracer-antibody pairs in terms of sensitivity and specificity, a FPIA that could simultaneously detect the zearalenone class with similar sensitivity was developed. Under optimum conditions, the half maximal inhibitory concentrations of the FPIA in buffer were 1.89, 1.97, 2.43, 1.99, 2.27, and 2.44 μg/L for zearalenone, α-zearalenol, β-zearalenol, α-zearalanol, β-zearalanol, and zearalanone, respectively. The limit of detection of FPIA for the zearalenone class was around 12 μg/kg in maize, and the recoveries ranged from 84.6 to 113.8%, with coefficients of variation below 15.3% in spiked samples. Finally, the FPIA was applied for screening naturally contaminated maize samples, and the results indicated a good correlation with that of high-performance liquid chromatography-tandem mass spectrometry.
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Affiliation(s)
- Xiya Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
| | - Sergei A Eremin
- Department of Chemical Enzymology, Faculty of Chemistry, M. V. Lomonosov Moscow State University , Moscow 119991, Russia
| | - Kai Wen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
| | - Xuezhi Yu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
| | - Chenglong Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
| | - Yuebin Ke
- Department of Genetic Toxicology, Shenzhen Center for Disease Control and Prevention , Shenzhen, Guangdong 518020, People's Republic of China
| | - Haiyang Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
| | - Jianzhong Shen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
| | - Zhanhui Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Veterinary Medicine, China Agricultural University , Beijing 100193, People's Republic of China
- Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety , Beijing 100193, People's Republic of China
- Beijing Laboratory for Food Quality and Safety , Beijing 100193, People's Republic of China
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34
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Di Nardo F, Baggiani C, Giovannoli C, Spano G, Anfossi L. Multicolor immunochromatographic strip test based on gold nanoparticles for the determination of aflatoxin B1 and fumonisins. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2121-7] [Citation(s) in RCA: 60] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Li H, Yin X, Sun D, Xia K, Kang C, Chu S, Zhang P, Wang H, Qiu Y. Detection of NT-pro BNP using fluorescent protein modified by streptavidin as a label in immunochromatographic assay. SENSING AND BIO-SENSING RESEARCH 2016. [DOI: 10.1016/j.sbsr.2016.08.001] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
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36
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37
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Zhou W, Kong W, Dou X, Zhao M, Ouyang Z, Yang M. An aptamer based lateral flow strip for on-site rapid detection of ochratoxin A in Astragalus membranaceus. J Chromatogr B Analyt Technol Biomed Life Sci 2016; 1022:102-108. [PMID: 27085019 DOI: 10.1016/j.jchromb.2016.04.016] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2016] [Revised: 03/24/2016] [Accepted: 04/08/2016] [Indexed: 11/18/2022]
Abstract
An aptamer based lateral flow strip based on competitive format was developed for on-site rapid detection of ochratoxin A (OTA) in Astragalus membranaceus. Some crucial parameters that might influence the sensitive detection, such as the characterization of the colloidal gold, size and shape of gold nanoparticles (AuNPs), amount of AuNPs-aptamer conjugate, migration rate and the addition amount of methanol, were investigated to provide the optimum assay performance. To perform the test, 1g sample was extracted with 2.5mL of methanol-water (80:20, v/v) and diluted by 4-fold running buffer to eliminate the matrix and methanol interferences. Under optimized conditions, the aptamer-based assay showed a visual limit of detection (LOD) of 1ngmL(-1), and with no significant cross-reactivity with several homologous toxins. The whole detection could be completed within 15min without special equipment because of available visual results. One out of nine A. membranaceus samples was found to be positive of OTA, which was in a good agreement with those obtained from LC-MS/MS analysis. The results demonstrated that the aptamer-based lateral flow assay could be used as a rapid, reliable, cost-effective and robust on-site screening technique for mycotoxins at trace level in complex matrices without special instrumentation.
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Affiliation(s)
- Weilu Zhou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China; School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Weijun Kong
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Xiaowen Dou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China
| | - Ming Zhao
- School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Zhen Ouyang
- School of Pharmacy, Jiangsu University, Zhenjiang, Jiangsu 212013, China
| | - Meihua Yang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100193, China.
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38
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Anfossi L, Giovannoli C, Baggiani C. Mycotoxin detection. Curr Opin Biotechnol 2015; 37:120-126. [PMID: 26723009 DOI: 10.1016/j.copbio.2015.11.005] [Citation(s) in RCA: 148] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 10/26/2015] [Accepted: 11/03/2015] [Indexed: 12/15/2022]
Abstract
Mycotoxins are toxic metabolites of certain fungi that growth on a variety of crops, pre-harvest, during and post-harvest. Because of their toxicity, maximum admissible levels of mycotoxins are regulated worldwide and monitoring of their occurrence in several commodities is mandatory for assuring food safety and consumers' health protection. Analytical methods for mycotoxins include immunochemical-based techniques that principally apply for routinely controls and rapid, on-site detection, and chromatographic-based techniques that provide sensitive, accurate and selective determination of known mycotoxins, besides identification of new or modified compounds through tandem mass spectrometric detectors.
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Affiliation(s)
- Laura Anfossi
- Department of Chemistry, University of Turin, Via Giuria, 5, I-10125 Turin, Italy.
| | - Cristina Giovannoli
- Department of Chemistry, University of Turin, Via Giuria, 5, I-10125 Turin, Italy
| | - Claudio Baggiani
- Department of Chemistry, University of Turin, Via Giuria, 5, I-10125 Turin, Italy
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Selvaraj JN, Wang Y, Zhou L, Zhao Y, Xing F, Dai X, Liu Y. Recent mycotoxin survey data and advanced mycotoxin detection techniques reported from China: a review. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2015; 32:440-52. [PMID: 25604871 DOI: 10.1080/19440049.2015.1010185] [Citation(s) in RCA: 49] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Mycotoxin contamination in agro-food systems has been a serious concern over the last few decades in China, where the Ministry of Health has set maximum limits for mycotoxins in different agro-products. Overall survey data show that aflatoxin contamination in infant cereals, edible oils, raw milk, ginger and its related products are far below Chinese regulatory limits. The absence of aflatoxin M1 contamination in infant milk powders indicates a high standard of control. Aflatoxins in liquorice roots and lotus seeds have been reported for the first time. For deoxynivalenol, high levels were found in wheat grown in the Yangtze Delta region, which is more prone to rainfall, supporting Fusarium infection. The emerging mycotoxins beauvericins and enniatins have been reported in the medicinal herbs in China. Ochratoxin A in wine was below the European Union regulatory limits, but fumonisins in maize need to be monitored and future regulatory control considered. Overall from all the survey data analysed in this review, it can be concluded that 92% of the samples analysed had mycotoxin levels below the Chinese regulatory limits. In terms of detection techniques in recent years, immuno-based assays have been developed largely due to their excellent sensitivity and ease of use. Assays targeting multiple mycotoxins like aflatoxins, ochratoxin A, zearalenone and deoxynivalenol have been reported using microarrays and suspension arrays targeting in particular maize, rice and peanuts. Aptamer-based assays against ochratoxin A and aflatoxins B1 and B2 have been developed involving fluorescence detection; and surface plasmon resonance immunosensors have been developed targeting wine, maize, wheat, wild rye, hay and peanut oil with high sensitivity (> 0.025 ng l(-1)). Commercialisation of these technologies is much needed for wider usage in the coming years.
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Affiliation(s)
- Jonathan Nimal Selvaraj
- a Institute of Agro-Products Processing Science and Technology, Chinese Academy of Agricultural Sciences/Key Laboratory of Agro-Products Processing , Ministry of Agriculture , Beijing , China
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