1
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Addante-Moya LG, Abad-Fuentes A, Agulló C, Abad-Somovilla A, Mercader JV. Sensitive and selective alternariol analysis by a newly developed monoclonal antibody-based immunoassay. Talanta 2024; 267:125263. [PMID: 37816292 DOI: 10.1016/j.talanta.2023.125263] [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: 07/31/2023] [Revised: 09/20/2023] [Accepted: 09/30/2023] [Indexed: 10/12/2023]
Abstract
Alternariol is a toxic secondary metabolite produced by Alternaria fungi. Nowadays, this mycotoxin can be found in many products of plant origin at concerning concentrations. The aim of the present study was to develop a highly sensitive and selective immunochemical method for the analysis of alternariol. To this end, hapten synthesis was carried out from the scratch and specific high-affinity monoclonal antibodies to alternariol were generated by using, for the first time, alternariol bioconjugates with unambiguous linker tethering sites. A novel indirect enzyme-linked immunosorbent assay that incorporated a rationally designed heterologous conjugate was developed. The optimized assay showed an outstanding half-maximal inhibition concentration for alternariol below 0.04 ng/mL, and no cross-reactivity with alternariol monomethyl ether was observed. Very good recovery values and coefficients of variation were obtained from the analysis of alternariol-fortified fruit and cereal flour samples. Finally, alternariol was quantitatively determined in pears that had been previously infected with Alternaria alternata, showing excellent correlation with liquid chromatography results.
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Affiliation(s)
- Luis G Addante-Moya
- Department of Organic Chemistry, University of Valencia, Dr. Moliner 50, Burjassot, 46100, Valencia, Spain
| | - Antonio Abad-Fuentes
- Institute of Agrochemistry and Food Technology, Spanish Council for Scientific Research (IATA-CSIC), Av. Agustí Escardino 7, Paterna, 46980, Valencia, Spain
| | - Consuelo Agulló
- Department of Organic Chemistry, University of Valencia, Dr. Moliner 50, Burjassot, 46100, Valencia, Spain
| | - Antonio Abad-Somovilla
- Department of Organic Chemistry, University of Valencia, Dr. Moliner 50, Burjassot, 46100, Valencia, Spain
| | - Josep V Mercader
- Institute of Agrochemistry and Food Technology, Spanish Council for Scientific Research (IATA-CSIC), Av. Agustí Escardino 7, Paterna, 46980, Valencia, Spain.
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2
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Aleem A, Akhtar B, Muhammad F, Qureshi AS, Rahman SU. Development of a Lateral-Flow Immunochromatographic Strip for the Detection of Oxytetracycline Residues in Biological Fluids. ACS OMEGA 2023; 8:36237-36244. [PMID: 37810669 PMCID: PMC10552086 DOI: 10.1021/acsomega.3c04759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/08/2023] [Indexed: 10/10/2023]
Abstract
Oxytetracycline (OTC) is extensively used in veterinary medicine and for growth promotion around the globe. The indiscriminate use of OTC in food-producing animals leaves residues in animal products. The presence of these residues in animal products causes economic losses and harmful effects on consumers. Different regulatory bodies set maximum residue limits (MRLs) for different tetracyclines. To avoid harmful effects, there is a need for a simple, fast, and economical method for the screening of animal products. In this study, a fast, economical, and user-friendly lateral-flow immunochromatographic (LFIC) assay based on gold nanoparticles (AuNPs) was developed to detect the presence of OTC residues in biological fluids. AuNPs provided visual results as red lines in 6-15 min. Polyclonal rabbit IgG antibodies were produced using the immunogen of OTC. These antibodies were purified by the combined ammonium sulfate-octanoic acid precipitation method. Antibodies were conjugated to AuNPs as recognition biomolecules. A LFIC strip was optimized using borate buffer spiked with different concentrations of the OTC. The visual limit of detection (LOD) in different biological samples (milk, serum, and urine) was determined using samples spiked with OTC. The LOD was found to be 15 μg/L, which is very low from the MRL (100 μg/L) set by different regulatory authorities. This LFIC strip can be used to detect OTC residues in biological fluids for point-of-care testing (POCT). These strips are easy to use, cost-effective, and portable and provide quick results without the use of laboratory instruments.
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Affiliation(s)
- Abdul Aleem
- Institute
of Physiology and Pharmacology, University
of Agriculture, Faisalabad 38000, Pakistan
| | - Bushra Akhtar
- Department
of Pharmacy, University of Agriculture, Faisalabad 38000, Pakistan
| | - Faqir Muhammad
- Department
of Biosciences, Faculty of Veterinary Science, Bahauddin Zakariya University, Multan 60800, Pakistan
| | - Anas Sarwar Qureshi
- Department
of Anatomy, University of Agriculture, Faisalabad 38000, Pakistan
| | - Sajjad-ur Rahman
- Institute
of Microbiology, University of Agriculture, Faisalabad 38000, Pakistan
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3
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Han X, Lin H, Chen X, Wang L, Zhang Z, Wei X, Sun X, Xie H, Pavase TR, Cao L, Sui J. Amide-containing neoepitopes: the key factor in the preparation of hapten-specific antibodies and a strategy to overcome. Front Immunol 2023; 14:1144020. [PMID: 37342337 PMCID: PMC10277511 DOI: 10.3389/fimmu.2023.1144020] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Accepted: 05/15/2023] [Indexed: 06/22/2023] Open
Abstract
For a long time, people have suffered from uncertainty, complexity, and a low success rate in generating and screening antibodies against small molecules, which have become the core bottlenecks of immunochemistry. Here, the influence of antigen preparation on antibody generation was investigated at both molecular and submolecular levels. Neoepitopes (amide-containing neoepitopes) formed in the preparation of complete antigens are one of the most important factors limiting the efficiency of generating hapten-specific antibodies, which was verified by different haptens, carrier proteins, and conjugation conditions. Amide-containing neoepitopes present electron-dense structural components on the surface of prepared complete antigens and, therefore, induce the generation of the corresponding antibody with much higher efficiency than target hapten. Crosslinkers should be carefully selected and not overdosed. According to these results, some misconceptions in the conventional anti-hapten antibody production were clarified and corrected. By controlling the content of 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (EDC) during the synthesis of immunogen to limit the formation of amide-containing neoepitopes, the efficiency of hapten-specific antibody generation could be significantly improved, which verified the correctness of the conclusion and provided an efficient strategy for antibody preparation. The result of the work is of scientific significance in the preparation of high-quality antibodies against small molecules.
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Affiliation(s)
- Xiangning Han
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Hong Lin
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Xiangfeng Chen
- Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Luefeng Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Ziang Zhang
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Xiaojing Wei
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Xun Sun
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Hanyi Xie
- Shandong Analysis and Test Center, Qilu University of Technology (Shandong Academy of Sciences), Jinan, China
| | - Tushar Ramesh Pavase
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Limin Cao
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
| | - Jianxin Sui
- College of Food Science and Engineering, Ocean University of China, Qingdao, China
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4
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Lian K, Chen G, Wang X, Zhang W, Hu X, Wang H, Li Y, Xi D, Wang Y. Fluorescent detection of brown spot of tobacco caused by Alternaria alternata based on lambda exonuclease-induced DNAzyme amplification. RSC Adv 2023; 13:1587-1593. [PMID: 36688064 PMCID: PMC9827279 DOI: 10.1039/d2ra05616j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 12/27/2022] [Indexed: 01/11/2023] Open
Abstract
A rapid, simple, and sensitive fluorescent detection method for brown spot of tobacco is established by lambda exonuclease-induced Mg2+-dependent DNAzyme amplification. It contains hybridization of the Alternaria alternata genome and HP1, digestion of the 5'-phosphorylated strand of the hybrid dsDNA by lambda exonuclease, acquisition of complete Mg2+-dependent DNAzyme, cleavage of the substrate modified with FAM and BHQ-1, and fluorescent detection. The proposed assay exhibits good sensitivity (10 pg L-1), selectivity and reproducibility. The method does not require pure DNA and expensive instruments, and can be performed within 2.5 hours. To the best of our knowledge, this is the first report of fluorescent detection of Alternaria alternata and its tobacco field samples. This method can be applied to the rapid and sensitive detection of Alternaria alternata in tobacco and its seedlings, and is particularly important for the green prevention and control of tobacco brown spot disease.
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Affiliation(s)
- Kai Lian
- College of Life Science, Linyi UniversityLinyi 276005China
| | - Guangyan Chen
- College of Life Science, Linyi UniversityLinyi 276005China
| | - Xiaoqiang Wang
- Plant Protection Research Center, Tobacco Research Institute of Chinese Academy of Agricultural SciencesQingdao 266101China
| | - Wenna Zhang
- Shandong (Linyi) Institute of Modern Agriculture, Zhejiang UniversityLinyi 276000China
| | - Xihao Hu
- Shandong Tobacco Company Qingdao BranchQingdao 266101China
| | - Hui Wang
- Plant Protection Research Center, Tobacco Research Institute of Chinese Academy of Agricultural SciencesQingdao 266101China
| | - Yusen Li
- College of Life Science, Linyi UniversityLinyi 276005China
| | - Dongmei Xi
- College of Life Science, Linyi UniversityLinyi 276005China
| | - Ying Wang
- College of Life Science, Linyi UniversityLinyi 276005China
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5
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Dai P, Zhang Y, Hong Y, Xiong J, Du H, Duan L, Wang D, Wang Y, Deng W, Hammock BD, Yang W. Production of high affinity monoclonal antibody and development of indirect competitive chemiluminescence enzyme immunoassay for gentamicin residue in animal tissues. Food Chem 2023; 400:134067. [DOI: 10.1016/j.foodchem.2022.134067] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 07/17/2022] [Accepted: 08/28/2022] [Indexed: 10/14/2022]
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6
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Electrochemistry Applied to Mycotoxin Determination in Food and Beverages. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02434-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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7
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Chen S, Guan T, Qian Z, Quan Q, Wang J, Li X, Wu S, Yan Y, Yao X, Zhang S, Lei H. A sensitive and quantitative immunochromatographic assay for simultaneous detection of three stimulant laxatives in slimming food. Food Chem 2022; 398:133861. [DOI: 10.1016/j.foodchem.2022.133861] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/22/2022] [Accepted: 08/03/2022] [Indexed: 11/16/2022]
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8
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Ji Y, Hu L, Xiong W, Wang Y, Yang F, Shi M, Zhang H, Shao J, Lu C, Fang D, Deng H, Bian Z, Tang G, Liu S, Fan Z, Liu S. Highly sensitive time-resolved fluoroimmunoassay for the quantitative onsite detection of Alternaria longipes in tobacco. J Appl Microbiol 2022; 132:1250-1259. [PMID: 34312955 DOI: 10.1111/jam.15233] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Revised: 07/05/2021] [Accepted: 07/19/2021] [Indexed: 12/20/2022]
Abstract
AIMS Alternaria longipes is a causal agent of brown spot of tobacco, which remains a serious threat to tobacco production. Herein, we established a detection method for A. longipes in tobacco samples based on the principle of time-resolved fluoroimmunoassay, in order to fulfil the requirement of rapid, sensitive and accurate detection in situ. METHODS AND RESULTS A monoclonal antibody against A. longipes was generated, and its purity and titration were assessed using western blot and ELISA. The size of europium (III) nanospheres was measured to confirm successful antibody conjugation. The method described here can detect A. longipes protein lysates as low as 0.78 ng ml-1 , with recovery rates ranging from 85.96% to 99.67% in spiked tobacco. The specificity was also confirmed using a panel of microorganisms. CONCLUSIONS The fluorescent strips allow rapid and sensitive onsite detection of A. longipes in tobacco samples, with high accuracy, specificity, and repeatability. SIGNIFICANCE AND IMPACT OF THE STUDY This novel detection method provides convenience of using crude samples without complex procedures, and therefore allows rapid onsite detection by end users and quick responses towards A. longipes, which is critical for disease control and elimination of phytopathogens.
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Affiliation(s)
- Yuan Ji
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Liwei Hu
- Zhengzhou Tobacco Research Institute of China National Tobacco Corporation, Zhengzhou, China
| | - Wei Xiong
- Sichuan Tobacco Quality Supervision and Testing Station, Chengdu, China
| | - Ying Wang
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Fei Yang
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Mowen Shi
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Haiyan Zhang
- Sichuan Tobacco Quality Supervision and Testing Station, Chengdu, China
| | - Jimin Shao
- Sichuan Tobacco Quality Supervision and Testing Station, Chengdu, China
| | - Canhua Lu
- Yunnan Academy of Tobacco Agricultural Sciences of China National Tobacco Corporation, Kunming, China
| | - Dunhuang Fang
- Yunnan Academy of Tobacco Agricultural Sciences of China National Tobacco Corporation, Kunming, China
| | - Huimin Deng
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Zhaoyang Bian
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Gangling Tang
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Shili Liu
- Department of Medical Microbiology, School of Basic Medical Science, Shandong University, Jinan, China
| | - Ziyan Fan
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
| | - Shanshan Liu
- China National Tobacco Quality Supervision and Test Center, Zhengzhou, China
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9
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Zhou H, Pan S, Tan H, Yang Y, Guo T, Zhang Y, Ma L. A novel high-sensitive indirect competitive chemiluminescence enzyme immunoassay based on monoclonal antibody for tenuazonic acid (TeA) detection. Eur Food Res Technol 2022. [DOI: 10.1007/s00217-021-03905-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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10
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Addante-Moya LG, Abad-Somovilla A, Abad-Fuentes A, Agulló C, Mercader JV. Assessment of the Optimum Linker Tethering Site of Alternariol Haptens for Antibody Generation and Immunoassay Development. Toxins (Basel) 2021; 13:toxins13120883. [PMID: 34941720 PMCID: PMC8705777 DOI: 10.3390/toxins13120883] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 11/26/2021] [Accepted: 12/06/2021] [Indexed: 01/19/2023] Open
Abstract
Immunochemical methods for mycotoxin analysis require antigens with well-defined structures and antibodies with outstanding binding properties. Immunoreagents for the mycotoxins alternariol and/or alternariol monomethyl ether have typically been obtained with chemically uncharacterized haptens, and antigen conjugates have most likely been prepared with mixtures of functionalized molecules. For the first time, total synthesis was performed, in the present study, to obtain two haptens with opposite linker attachment locations. The functionalized synthetic haptens were purified and deeply characterized by different spectrometric methods, allowing the preparation of bioconjugates with unequivocal structures. Direct and indirect competitive enzyme-linked immunosorbent assays, using homologous and heterologous conjugates, were employed to extensively evaluate the generated immunoreagents. Antibodies with high affinity were raised from conjugates of both haptens, and a structure-activity relationship between the synthetic haptens and the specificity of the generated antibodies could be established. These results pave the way for the development of novel highly sensitive immunoassays selective of one or two of these Alternaria mycotoxins.
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Affiliation(s)
- Luis G. Addante-Moya
- Department of Organic Chemistry, University of Valencia, Doctor Moliner 50, 46100 Burjassot, Valencia, Spain; (L.G.A.-M.); (A.A.-S.); (C.A.)
| | - Antonio Abad-Somovilla
- Department of Organic Chemistry, University of Valencia, Doctor Moliner 50, 46100 Burjassot, Valencia, Spain; (L.G.A.-M.); (A.A.-S.); (C.A.)
| | - Antonio Abad-Fuentes
- Spanish Council for Scientific Research, Institute of Agrochemistry and Food Technology, Agustí Escardino 7, 46980 Paterna, Valencia, Spain;
| | - Consuelo Agulló
- Department of Organic Chemistry, University of Valencia, Doctor Moliner 50, 46100 Burjassot, Valencia, Spain; (L.G.A.-M.); (A.A.-S.); (C.A.)
| | - Josep V. Mercader
- Spanish Council for Scientific Research, Institute of Agrochemistry and Food Technology, Agustí Escardino 7, 46980 Paterna, Valencia, Spain;
- Correspondence:
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11
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Wang F, Wan DB, Shen YD, Tian YX, Xiao ZL, Xu ZL, Yang JY, Sun YM, Hammock BD, Wang H. Development of a chemiluminescence immunoassay for detection of tenuazonic acid mycotoxin in fruit juices with a specific camel polyclonal antibody. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:1795-1802. [PMID: 33885655 DOI: 10.1039/d1ay00200g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The natural mycotoxin tenuazonic acid (TeA) in foods is identified as the most toxic mycotoxin among the over 70 kinds of secondary toxic metabolites produced by Alternaria alternata. Some hapten-antibody-mediated immunoassays have been developed for TeA detection in food samples, but these methods show unsatisfactory sensitivity and specificity. In this study, a rationally designed hapten for TeA mycotoxin generated with computer-assisted modeling was prepared to produce a highly specific camel polyclonal antibody, and an indirect competitive chemiluminescence enzyme immunoassay (icCLEIA) was established with a limit of detection of 0.2 ng mL-1 under optimized conditions. The cross-reactivity results showed that several analogs and some common mycotoxins had negligible recognition by the anti-TeA polyclonal antibody. The average recoveries spiked in fruit juices were determined to be 92.7% with an acceptable coefficient of variation, and good correlations between icCLEIA and liquid chromatography tandem mass spectrometry (LC-MS/MS) results were obtained in spiked samples. This developed icCLEIA for TeA detection with significantly improved sensitivity and satisfactory specificity is a promising alternative for environmental monitoring and food safety.
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Affiliation(s)
- Feng Wang
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
| | - De-Bin Wan
- Department of Entomology and Nematology, UCD Comprehensive Cancer Center, University of California, Davis, California 95616, USA
| | - Yu-Dong Shen
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
| | - Yuan-Xin Tian
- School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, P. R. China
| | - Zhi-Li Xiao
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
| | - Zhen-Lin Xu
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
| | - Jin-Yi Yang
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
| | - Yuan-Ming Sun
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
| | - Bruce D Hammock
- Department of Entomology and Nematology, UCD Comprehensive Cancer Center, University of California, Davis, California 95616, USA
| | - Hong Wang
- College of Food Science, South China Agricultural University, Guangdong Provincial Key Laboratory of Food Quality and Safety, Guangzhou 510642, P. R. China.
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12
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Hou S, Ma J, Cheng Y, Wang H, Sun J, Yan Y. One-step rapid detection of fumonisin B1, dexyonivalenol and zearalenone in grains. Food Control 2020. [DOI: 10.1016/j.foodcont.2020.107107] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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13
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Affiliation(s)
- Lei Li
- The Key Laboratory of Functionalized Molecular Solids, Ministry of Education, Anhui Key Laboratory of Chemo/Biosensing, Laboratory of Biosensing and Bioimaging, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, People’s Republic of China
| | - Mingcui Zhang
- The Key Laboratory of Functionalized Molecular Solids, Ministry of Education, Anhui Key Laboratory of Chemo/Biosensing, Laboratory of Biosensing and Bioimaging, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, People’s Republic of China
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14
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Tittlemier S, Cramer B, Dall’Asta C, Iha M, Lattanzio V, Maragos C, Solfrizzo M, Stranska M, Stroka J, Sumarah M. Developments in mycotoxin analysis: an update for 2018-19. WORLD MYCOTOXIN J 2020. [DOI: 10.3920/wmj2019.2535] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
This review summarises developments on the analysis of various matrices for mycotoxins that have been published in the period from mid-2018 to mid-2019. Analytical methods to determine aflatoxins, Alternaria toxins, ergot alkaloids, fumonisins, ochratoxins, patulin, trichothecenes, and zearalenone are covered in individual sections. Advances in sampling strategies are also discussed in a dedicated section. In addition, developments in multi-mycotoxin methods – including comprehensive mass spectrometric-based methods as well as simple immunoassays – are also reviewed. This critical review aims to briefly present the most important recent developments and trends in mycotoxin determination as well as to address limitations of the presented methodologies.
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Affiliation(s)
- S.A. Tittlemier
- Canadian Grain Commission, Grain Research Laboratory, Winnipeg, MB, R3C 3G8, Canada
| | - B. Cramer
- University of Münster, Institute of Food Chemistry, Corrensstr. 45, 48149 Münster, Germany
| | - C. Dall’Asta
- Università di Parma, Department of Food and Drug, Viale delle Scienze 23/A, 43124 Parma, Italy
| | - M.H. Iha
- Adolfo Lutz Institute of Ribeirão Preto, CEP 14085-410, Ribeirão Preto-SP, Brazil
| | - V.M.T. Lattanzio
- National Research Council of Italy, Institute of Sciences of Food Production, via Amendola 122/O, 70126 Bari, Italy
| | - C. Maragos
- United States Department of Agriculture, ARS National Center for Agricultural Utilization Research, Peoria, IL 61604, USA
| | - M. Solfrizzo
- National Research Council of Italy, Institute of Sciences of Food Production, via Amendola 122/O, 70126 Bari, Italy
| | - M. Stranska
- Department of Food Analysis and Nutrition, Faculty of Food and Biochemical Technology, University of Chemistry and Technology, Prague, Czech Republic
| | - J. Stroka
- European Commission, Joint Research Centre, 2440 Geel, Belgium
| | - M. Sumarah
- Agriculture and Agri-Food Canada, London Research and Development Centre, London, ON, N5V 4T3, Canada
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15
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Huang JX, Yao CY, Yang JY, Li ZF, He F, Tian YX, Wang H, Xu ZL, Shen YD. Design of Novel Haptens and Development of Monoclonal Antibody-Based Immunoassays for the Simultaneous Detection of Tylosin and Tilmicosin in Milk and Water Samples. Biomolecules 2019; 9:biom9120770. [PMID: 31771142 PMCID: PMC6995535 DOI: 10.3390/biom9120770] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/17/2019] [Accepted: 11/19/2019] [Indexed: 01/31/2023] Open
Abstract
In this work, a monoclonal antibody-based indirect competitive enzyme-linked immunosorbent assay (icELISA) was established to detect tylosin and tilmicosin in milk and water samples. A sensitive and specific monoclonal antibody was prepared by rational designed hapten, which was achieved by directly oxidizing the aldehyde group on the side chain of tylosin to the carboxyl group. Under the optimized conditions, the linear range of icELISA for tylosin and tilmicosin were 1.3 to 17.7 ng/mL and 2.0 to 47.4 ng/mL, with half-maximal inhibition concentration (IC50) values of 4.7 and 9.6 ng/mL, respectively. The cross-reactivity with other analogues of icELISA was less than 0.1%. The average recoveries of icELISA for tylosin and tilmicosin ranged from 76.4% to 109.5% in milk and water samples. Besides, the detection results of icELISA showed good correlations with HPLC-MS/MS. The proposed icELISA was satisfied for rapid and specific screening of tylosin and tilmicosin residues in milk and water samples.
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Affiliation(s)
- Jian-Xin Huang
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
| | - Chan-Yuan Yao
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
| | - Jin-Yi Yang
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
| | - Zhen-Feng Li
- Department of Entomology and Nematology and UCD Comprehensive Cancer Center, University of California Davis, Davis, CA 95616, USA;
| | - Fan He
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
| | - Yuan-Xin Tian
- Guangdong Provincial Key Laboratory of New Drug Screening, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China
- Correspondence: (Y.-X.T.); (Y.-D.S.); Tel.: +86-20-627-894-16 (Y.-X.T.); +86-20-852-834-48 (Y.-D.S.)
| | - Hong Wang
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
| | - Zhen-Lin Xu
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
| | - Yu-Dong Shen
- College of Food Science, Guangdong Provincial Key Laboratory of Food Quality and Safety, South China Agricultural University, Guangzhou 510642, China; (J.-X.H.); (C.-Y.Y.); (J.-Y.Y.); (F.H.); (H.W.); (Z.-L.X.)
- Correspondence: (Y.-X.T.); (Y.-D.S.); Tel.: +86-20-627-894-16 (Y.-X.T.); +86-20-852-834-48 (Y.-D.S.)
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Xu C, Han Q, Dong S, Liu X, Liu X. Establishment of an ultrasensitive indirect competitive time-resolved fluoroimmunoassay for vancomycin determination. FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2019.1639629] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Affiliation(s)
- Chongxin Xu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing, People’s Republic of China
| | - Qi Han
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing, People’s Republic of China
| | - Sa Dong
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing, People’s Republic of China
- College of Horticulture and Plant Protection, Yangzhou University, Yangzhou, People’s Republic of China
| | - Xiaoqin Liu
- Department of animal science and technology, Huaihua Vocational and Technical College, Huaihua, People’s Republic of China
| | - Xianjin Liu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, Institute of Food Safety and Nutrition, Jiangsu Academy of Agricultural Sciences, Nanjing, People’s Republic of China
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