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Lin C, Li Q, Liu D, Feng Q, Zhou H, Shi B, Zhang X, Hu Y, Jiang X, Sun X, Wang D. Recent research progress in tetrodotoxin detection and quantitative analysis methods. Front Chem 2024; 12:1447312. [PMID: 39206441 PMCID: PMC11349515 DOI: 10.3389/fchem.2024.1447312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2024] [Accepted: 07/29/2024] [Indexed: 09/04/2024] Open
Abstract
Tetrodotoxin (TTX) is a highly potent and widely distributed ion-channel marine neurotoxin; it has no specific antidote and poses a great risk to human health. Therefore, detecting and quantifying TTX to effectively implement prevention strategies is important for food safety. The development of novel and highly sensitive, highly specific, rapid, and simple techniques for trace TTX detection has attracted widespread attention. This review summarizes the latest advances in the detection and quantitative analysis of TTX, covering detection methods based on biological and cellular sensors, immunoassays and immunosensors, aptamers, and liquid chromatography-mass spectrometry. It further discusses the advantages and applications of various detection technologies developed for TTX and focuses on the frontier areas and development directions of TTX detection, providing relevant information for further investigations.
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Affiliation(s)
- Chao Lin
- School of Grain Science and Technology, Jilin Business and Technology College, Changchun, China
| | - Qirong Li
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Dong Liu
- School of Grain Science and Technology, Jilin Business and Technology College, Changchun, China
| | - Qiang Feng
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Hengzong Zhou
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Bohe Shi
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Xinxin Zhang
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Yurui Hu
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Xinmiao Jiang
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
| | - Xiaoming Sun
- School of Grain Science and Technology, Jilin Business and Technology College, Changchun, China
| | - Dongxu Wang
- Laboratory Animal Center, College of Animal Science, Jilin University, Changchun, China
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Ji Y, Wang R, Zhao H. Toward Sensitive and Reliable Immunoassays of Marine Biotoxins: From Rational Design to Food Analysis. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:16076-16094. [PMID: 39010820 DOI: 10.1021/acs.jafc.4c01865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/17/2024]
Abstract
Marine biotoxins are metabolites produced by algae that can accumulate in shellfish or fish and enter organisms through the food chain, posing a serious threat to biological health. Therefore, accurate and rapid detection is an urgent requirement for food safety. Although various detection methods, including the mouse bioassay, liquid chromatography-mass spectrometry, and cell detection methods, and protein phosphatase inhibition assays have been developed in the past decades, the current detection methods cannot fully meet these demands. Among these methods, the outstanding immunoassay virtues of high sensitivity, reliability, and low cost are highly advantageous for marine biotoxin detection in complex samples. In this work, we review the recent 5-year progress in marine biotoxin immunodetection technologies such as optical immunoassays, electrochemical immunoassays, and piezoelectric immunoassays. With the assistance of immunoassays, the detection of food-related marine biotoxins can be implemented for ensuring public health and preventing food poisoning. In addition, the immunodetection technique platforms including lateral flow chips and microfluidic chips are also discussed. We carefully investigate the advantages and disadvantages for each immunoassay, which are compared to demonstrate the guidance for selecting appropriate immunoassays and platforms for the detection of marine biotoxins. It is expected that this review will provide insights for the further development of immunoassays and promote the rapid progress and successful translation of advanced immunoassays with food safety detection.
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Affiliation(s)
- Yuxiang Ji
- State Key Laboratory of Marine Resources Utilization in South China Sea and Center for Eco-Environment Restoration of Hainan Province, Hainan University, Haikou 570228, China
- NHC Key Laboratory of Tropical Disease Control, School of Tropical Medicine, Hainan Medical University, Haikou, Hainan 571199, China
| | - Rui Wang
- Key Laboratory of Hainan Trauma and Disaster Rescue, The First Affiliated Hospital of Hainan Medical University, Engineering Research Center for Hainan Bio-Smart Materials and Bio-Medical Devices, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, China
| | - Hongwei Zhao
- State Key Laboratory of Marine Resources Utilization in South China Sea and Center for Eco-Environment Restoration of Hainan Province, Hainan University, Haikou 570228, China
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Berkal MA, Nardin C. Pesticide biosensors: trends and progresses. Anal Bioanal Chem 2023; 415:5899-5924. [PMID: 37668672 DOI: 10.1007/s00216-023-04911-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2023] [Revised: 08/08/2023] [Accepted: 08/10/2023] [Indexed: 09/06/2023]
Abstract
Pesticides, chemical substances extensively employed in agriculture to optimize crop yields, pose potential risks to human and environmental health. Consequently, regulatory frameworks are in place to restrict pesticide residue concentrations in water intended for human consumption. These regulations are implemented to safeguard consumer safety and mitigate any adverse effects on the environment and public health. Although gas chromatography- and liquid chromatography-mass spectrometry (GC-MS and LC-MS) are highly efficient techniques for pesticide quantification, their use is not suitable for real-time monitoring due to the need for sophisticated laboratory pretreatment of samples prior to analysis. Since they would enable analyte detection with selectivity and sensitivity without sample pretreatment, biosensors appear as a promising alternative. These consist of a bioreceptor allowing for specific recognition of the target and of a detection platform, which translates the biological interaction into a measurable signal. As early detection systems remain urgently needed to promptly alert and act in case of pollution, we review here the biosensors described in the literature for pesticide detection to advance their development for use in the field.
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Affiliation(s)
| | - Corinne Nardin
- Universite de Pau Et Des Pays de L'Adour, E2S UPPA, CNRS, IPREM, Pau, France.
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Fan L, Du B, Pei F, Hu W, Guo A, Xie Z, Liu B, Tong Z, Mu X, Tan W. Surface Plasmon Resonance Sensor Based on Core-Shell Fe 3O 4@SiO 2@Au Nanoparticles Amplification Effect for Detection of T-2 Toxin. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23063078. [PMID: 36991789 PMCID: PMC10055945 DOI: 10.3390/s23063078] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/02/2023] [Accepted: 03/06/2023] [Indexed: 05/31/2023]
Abstract
In this paper, a core-shell based on the Fe3O4@SiO2@Au nanoparticle amplification technique for a surface plasmon resonance (SPR) sensor is proposed. Fe3O4@SiO2@AuNPs were used not only to amplify SPR signals, but also to rapidly separate and enrich T-2 toxin via an external magnetic field. We detected T-2 toxin using the direct competition method in order to evaluate the amplification effect of Fe3O4@SiO2@AuNPs. A T-2 toxin-protein conjugate (T2-OVA) immobilized on the surface of 3-mercaptopropionic acid-modified sensing film competed with T-2 toxin to combine with the T-2 toxin antibody-Fe3O4@SiO2@AuNPs conjugates (mAb-Fe3O4@SiO2@AuNPs) as signal amplification elements. With the decrease in T-2 toxin concentration, the SPR signal gradually increased. In other words, the SPR response was inversely proportional to T-2 toxin. The results showed that there was a good linear relationship in the range of 1 ng/mL~100 ng/mL, and the limit of detection was 0.57 ng/mL. This work also provides a new possibility to improve the sensitivity of SPR biosensors in the detection of small molecules and in disease diagnosis.
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Affiliation(s)
- Lirui Fan
- School of Chemical Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Bin Du
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Fubin Pei
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Wei Hu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Aijiao Guo
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Zihao Xie
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Bing Liu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Zhaoyang Tong
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Xihui Mu
- State Key Laboratory of NBC Protection for Civilian, Beijing 102205, China
| | - Wenyuan Tan
- School of Chemical Engineering, Sichuan University of Science and Engineering, Zigong 643000, China
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Froehlich CE, He J, Haynes CL. Investigation of Charged Small Molecule-Aptamer Interactions with Surface Plasmon Resonance. Anal Chem 2023; 95:2639-2644. [PMID: 36704862 DOI: 10.1021/acs.analchem.2c04192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Investigating the interactions between small, charged molecules and aptamers using surface plasmon resonance (SPR) is limited by the inherent low response of small molecules and difficulties with nonspecific electrostatic interactions between the aptamer, analyte, and sensor surface. However, aptamers are increasingly being used in sensors for small molecule detection in critical areas like healthcare and environmental safety. The ability to probe these interactions through simple, direct SPR assays would be greatly beneficial and allow for the development of improved sensors without the need for complicated signal enhancement. However, these assays are nearly nonexistent in the current literature and are instead surpassed by sandwich or competitive binding techniques, which require additional sample preparation and reagents. In this work, we develop a method to characterize the interaction between the charged small molecule serotonin (176 Da) and an aptamer with SPR using streptavidin-biotin capture and a high-ionic-strength buffer. Additionally, other methods, such as serotonin immobilization and thiol-coupling of the aptamer, were investigated for comparison. These techniques give insight into working with small molecules and allow for quickly adapting a binding affinity assay into a direct SPR sensor.
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Yin L, Fan M, She Q, You R, Lu Y, Lu D, Li M. Facilely self-assembled and dual-molecule calibration aptasensor based on SERS for ultra-sensitive detection of tetrodotoxin in pufferfish. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 279:121275. [PMID: 35605417 DOI: 10.1016/j.saa.2022.121275] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 04/09/2022] [Accepted: 04/12/2022] [Indexed: 06/15/2023]
Abstract
Tetrodotoxin (TTX) is one of the most lethal neurotoxins, so the reliable quantitative analysis of TTX is crucial for food and environmental safety monitoring. Herein, a novel dual-molecule calibration aptasensor was developed for detection of TTX based on Surface-enhanced Raman scattering (SERS). The adaptive surface has high affinity recognition sites for the target of interest, which ensures the high specificity and stability of the aptasensor. In addition, the uniquely labeled signal molecules located in the Raman silent region (1800-2400 cm-1) can avoid the interference of other exogenous biological signal molecules. Meanwhile, in quantitative analysis, the SERS signal generated by the reporter is calibrate in real time using the second-order peak of silicon molecule (Si). The detection linear range of the aptasensor was 0.0319 ng/mL-319.27 ng/mL, with a limit of detection (LOD) of 0.024 ng/mL and the excellent uniformity (RSD = 8.8%) for TTX detection. As a promising and versatile detection candidate, the ultra-sensitive quantitative detection aptasensor of TTX had important practical significance, which can offer more favorable persuasion for TTX analysis in real seafood samples.
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Affiliation(s)
- Lijun Yin
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Min Fan
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Qiutian She
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Ruiyun You
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China.
| | - Yudong Lu
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Dechan Lu
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China
| | - Minlin Li
- College of Chemistry and Materials Science, Fujian Provincial Key Laboratory of Advanced Oriented Chemical Engineer, Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou, Fujian, 350007, China
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Hu C, Zhang Y, Zhou Y, Xiang YJY, Liu ZF, Wang ZH, Feng XS. Tetrodotoxin and Its Analogues in Food: Recent Updates on Sample Preparation and Analytical Methods Since 2012. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:12249-12269. [PMID: 36153990 DOI: 10.1021/acs.jafc.2c04106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Tetrodotoxin (TTX), found in various organisms including pufferfish, is an extremely potent marine toxin responsible for numerous food poisoning accidents. Due to its serious toxicity and public health threat, detecting TTX and its analogues in diverse food matrices with a simple, fast, efficient method has become a worldwide concern. This review summarizes the advances in sample preparation and analytical methods for the determination of TTX and its analogues, focusing on the latest development over the past five years. Current state-of-the-art technologies, such as solid-phase microextraction, online technology, novel injection technology, two-dimensional liquid chromatography, high-resolution mass spectrometry, newly developed lateral flow immunochromatographic strips, immunosensors, dual-mode aptasensors, and nanomaterials-based approaches, are thoroughly discussed. The advantages and limitations of different techniques, critical comments, and future perspectives are also proposed. This review is expected to provide rewarding insights to the future development and broad application of pretreatment and detection methods for TTX and its analogues.
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Affiliation(s)
- Cong Hu
- School of Pharmacy, China Medical University, Shenyang 110122, China
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Yuan Zhang
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Yu Zhou
- Department of Pharmacy, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yang-Jia-Yi Xiang
- Department of Pharmaceutical Analysis, School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Zhi-Fei Liu
- School of Pharmacy, China Medical University, Shenyang 110122, China
| | - Zhi-Hong Wang
- Department of Thyroid Surgery, The First Hospital of China Medical University, Shenyang 110001, China
| | - Xue-Song Feng
- School of Pharmacy, China Medical University, Shenyang 110122, China
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Katikou P, Gokbulut C, Kosker AR, Campàs M, Ozogul F. An Updated Review of Tetrodotoxin and Its Peculiarities. Mar Drugs 2022; 20:md20010047. [PMID: 35049902 PMCID: PMC8780202 DOI: 10.3390/md20010047] [Citation(s) in RCA: 36] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 12/28/2021] [Accepted: 12/30/2021] [Indexed: 12/19/2022] Open
Abstract
Tetrodotoxin (TTX) is a crystalline, weakly basic, colorless organic substance and is one of the most potent marine toxins known. Although TTX was first isolated from pufferfish, it has been found in numerous other marine organisms and a few terrestrial species. Moreover, tetrodotoxication is still an important health problem today, as TTX has no known antidote. TTX poisonings were most commonly reported from Japan, Thailand, and China, but today the risk of TTX poisoning is spreading around the world. Recent studies have shown that TTX-containing fish are being found in other regions of the Pacific and in the Indian Ocean, as well as the Mediterranean Sea. This review aims to summarize pertinent information available to date on the structure, origin, distribution, mechanism of action of TTX and analytical methods used for the detection of TTX, as well as on TTX-containing organisms, symptoms of TTX poisoning, and incidence worldwide.
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Affiliation(s)
- Panagiota Katikou
- Ministry of Rural Development and Food, Directorate of Research, Innovation and Education, Hapsa & Karatasou 1, 54626 Thessaloniki, Greece
- Correspondence: (P.K.); (F.O.)
| | - Cengiz Gokbulut
- Department of Pharmacology, Faculty of Medicine, Balikesir University, Balikesir 10145, Turkey;
| | - Ali Rıza Kosker
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana 01330, Turkey;
| | - Mònica Campàs
- IRTA, Ctra Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Spain;
| | - Fatih Ozogul
- Department of Seafood Processing Technology, Faculty of Fisheries, Cukurova University, Adana 01330, Turkey;
- Correspondence: (P.K.); (F.O.)
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Liu S, Huo Y, Deng S, Li G, Li S, Huang L, Ren S, Gao Z. A facile dual-mode aptasensor based on AuNPs@MIL-101 nanohybrids for ultrasensitive fluorescence and surface-enhanced Raman spectroscopy detection of tetrodotoxin. Biosens Bioelectron 2021; 201:113891. [PMID: 34999522 DOI: 10.1016/j.bios.2021.113891] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 12/11/2021] [Accepted: 12/13/2021] [Indexed: 01/01/2023]
Abstract
The development of ultrasensitive, reliable, and facile detection technologies for trace tetrodotoxin (TTX) is challenging. We presented a facile dual-mode aptamer-based biosensor (aptasensor) for ultrasensitive fluorescence and surface-enhanced Raman spectroscopy (SERS) detection of TTX by using gold nanoparticles (AuNPs)-embedded metal-organic framework (MOF) nanohybrids (AuNPs@MIL-101) because of their superior properties. A TTX-specific aptamer labelled with fluorescence and Raman reporter cyanine-3 (Cy3-aptamer) was selected as the recognition element and signal probe. Without immobilisation processing steps, Cy3-aptamers were effectively adsorbed onto the surface of AuNPs@MIL-101, thereby generating both fluorescence quenching and SERS enhancement. The preferential binding of TTX towards the Cy3-aptamer triggered the release of rigid Cy3-aptamer-TTX complexes from the AuNPs@MIL-101 surface, which resulted in recovered fluorescence signals and weakened SERS signals. Switched fluorescence and SERS intensities exhibited excellent linear relationships with logarithms of TTX concentrations of 0.01-300 ng/mL, and ultrahigh detection sensitivities of 6 and 8 pg/mL, respectively, were obtained. Furthermore, two quantitative detection approaches for TTX-spiked puffer fish and clam samples obtained satisfactory spiked recoveries and coefficient of variation (CV) values. Notably, the dual-mode aptasensor also successfully determined natural TTX-contaminated samples, showing excellent practical applications. The results indicated that this dual-mode measurement not only was ultrasensitive and simple but also markedly boosted analysis reliability and precision. This study is the first to propose a dual-mechanism AuNPs@MIL-101-based aptasensor for detection of trace TTX and provides a favourable pathway for developing multimode sensing platforms for various applications.
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Affiliation(s)
- Sha Liu
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Yapeng Huo
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Sumei Deng
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Guanghua Li
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Shuang Li
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Lei Huang
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China
| | - Shuyue Ren
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China.
| | - Zhixian Gao
- Tianjin Key Laboratory of Risk Assessment and Control Technology for Environment and Food Safety, Tianjin Institute of Environmental and Operational Medicine, Tianjin, 300050, China.
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Vaz R, Valpradinhos B, Frasco MF, Sales MGF. Emerging Optical Materials in Sensing and Discovery of Bioactive Compounds. SENSORS (BASEL, SWITZERLAND) 2021; 21:5784. [PMID: 34502675 PMCID: PMC8434157 DOI: 10.3390/s21175784] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/20/2021] [Accepted: 08/22/2021] [Indexed: 11/16/2022]
Abstract
Optical biosensors are used in numerous applications and analytical fields. Advances in these sensor platforms offer high sensitivity, selectivity, miniaturization, and real-time analysis, among many other advantages. Research into bioactive natural products serves both to protect against potentially dangerous toxic compounds and to promote pharmacological innovation in drug discovery, as these compounds have unique chemical compositions that may be characterized by greater safety and efficacy. However, conventional methods for detecting these biomolecules have drawbacks, as they are time-consuming and expensive. As an alternative, optical biosensors offer a faster, simpler, and less expensive means of detecting various biomolecules of clinical interest. In this review, an overview of recent developments in optical biosensors for the detection and monitoring of aquatic biotoxins to prevent public health risks is first provided. In addition, the advantages and applicability of these biosensors in the field of drug discovery, including high-throughput screening, are discussed. The contribution of the investigated technological advances in the timely and sensitive detection of biotoxins while deciphering the pathways to discover bioactive compounds with great health-promoting prospects is envisaged to meet the increasing demands of healthcare systems.
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Affiliation(s)
- Raquel Vaz
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (R.V.); (M.G.F.S.)
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal;
| | - Beatriz Valpradinhos
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal;
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
| | - Manuela F. Frasco
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (R.V.); (M.G.F.S.)
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal;
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
| | - Maria Goreti F. Sales
- BioMark@UC, Faculty of Sciences and Technology, University of Coimbra, 3030-790 Coimbra, Portugal; (R.V.); (M.G.F.S.)
- CEB—Centre of Biological Engineering, University of Minho, 4710-057 Braga, Portugal;
- BioMark@ISEP, School of Engineering, Polytechnic Institute of Porto, 4249-015 Porto, Portugal
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Immunochemical method for penthiopyrad detection through thermodynamic and kinetic characterization of monoclonal antibodies. Talanta 2021; 226:122123. [PMID: 33676678 DOI: 10.1016/j.talanta.2021.122123] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 01/13/2021] [Accepted: 01/15/2021] [Indexed: 10/22/2022]
Abstract
Immunoassays are nowadays being employed for rapid contaminant analysis in clinical, environmental, and agrochemical samples. A thorough characterization of the antibody‒antigen interaction can bring light to the immunoreagent selection process in order to develop sensitive and robust tests. Thus, determination of equilibrium and reaction rate constants is usually recommendable. However, this can be quite tricky for low molecular weight compounds, and competitive strategies are commonly followed to estimate apparent affinity values. In the present study, a collection of monoclonal antibodies to penthiopyrad was raised for the first time, and apparent equilibrium constants were assessed by the Langmuir model using three different competitive enzyme-linked immunosorbent assay formats. The obtained KD values from antibody-coated assays were quite close to the corresponding KD values calculated from surface plasmon resonance (SPR) evaluation. These studies were employed to select a pair of immunoreagents for immunoassay development. The KD value for penthiopyrad of the selected antibody obtained by SPR was 0.28 nM. The optimized direct assay showed an IC50 value for penthiopyrad of 0.42 nM (0.15 ng mL-1) in buffer. The limit of quantification for grape, must, and wine samples was 10 ng mL-1. An excellent correlation was found when immunochemical results were compared with those from LC-MS/MS. As an application case, it was determined that 58% of penthiopyrad was still found in wine after fermentation.
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Li J, Zhang X, Ye Y, Li X, Gu Y, Yun L. Awareness on tetrodotoxin of illegal activity: forensic issue from a rare homicide case report and literature review. J Forensic Leg Med 2021; 79:102152. [PMID: 33765596 DOI: 10.1016/j.jflm.2021.102152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Revised: 02/21/2021] [Accepted: 03/08/2021] [Indexed: 11/16/2022]
Abstract
The authors describe an extremely rare case of homicide by injecting tetrodotoxin (TTX) as lethal neurotoxin found in puffer fish. After a thorough investigation, the male victim was found to have a broken stalk from syringe needle in the subcutaneous tissue of left buttock and severe asphyxia confirmed by the main pathological findings at autopsy. During tortuous toxicological analysis,TTX was revealed by ultra high performance liquid chromatography tandem mass spectrometry (UPLC-MS/MS) as well as acute intoxication confirmed from forensic examination. The literature of qualitative and quantitative determination of TTX from human fluids was also reviewed to expect widely acceptable detection strategies. This case highlighted the importance of TTX toxicant with chemical formula name purchased through e-commerce,so as to improve particular emphasis and supervision on harmful substances possibly using hidden information or illegal means. Histopathological and toxicological results demonstrated here provided a reference and other useful information to the challenges of forensic casework. In general, the case report illustrates medico-legal issues of more attention to the possibility of TTX poisoning in rapid death and the need of routine postmortem tox screening in future practice.
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Affiliation(s)
- Juntao Li
- Department of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xiangyu Zhang
- Public Security Sub-Bureau of Tianfu New Area, Chengdu, 610000, Sichuan, China
| | - Yi Ye
- Department of Forensic Toxicological Analysis, West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Xuewen Li
- Public Security Sub-Bureau of Tianfu New Area, Chengdu, 610000, Sichuan, China
| | - Yan Gu
- Department of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China
| | - Libing Yun
- Department of Forensic Pathology, West China School of Basic Medical Sciences and Forensic Medicine, Sichuan University, Chengdu, 610041, Sichuan, China.
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Phosphorescent palladium-tetrabenzoporphyrin indicators for immunosensing of small molecules with a novel optical device. Talanta 2020; 224:121927. [PMID: 33379126 DOI: 10.1016/j.talanta.2020.121927] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2020] [Revised: 11/24/2020] [Accepted: 11/25/2020] [Indexed: 12/17/2022]
Abstract
Small-molecule detection is important for many applications including clinical diagnostics, drug discovery, environmental screening, and food technology. Current techniques suffer from various limitations including cost, complex sample processing, massive instrumentation, and need for expertise. To overcome these limitations, a new optical immunosensing assay for the detection of small molecules was developed and assessed with the targets estrone (E1) and estradiol (E2). For this purpose, phosphorescent indicators were designed based on the tetrabenzoporphyrin skeleton directly linked to E1 or E2, or attached through a linker, with phosphorescence lifetimes in the range of ~100-~300 μs. The assay is an indicator displacement assay (IDA). The best performances of our optical immunosensor were obtained with the indicators E1-L-Por and E2-L-Por. As they bound to specific polyclonal antibodies, their phosphorescence (τ ~200 μs) was quenched. When an endogenous competitor was added, the indicator was displaced, and the phosphorescence was immediately recovered. These effects were measured with a new optical device, described here, and able to detect picograms of luminescent molecules emitting in the NIR range, simply by measuring phosphorescence decay. This radical switch-off/switch on process demonstrates that E1-L-Por and E2-L-Por are good candidates for in vivo and in vitro immunosensing of E1 and E2. Importantly, the present immunosensing assay can be easily adapted to other small molecules such as other hormones and drugs.
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14
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Li Y, Xu X, Liu L, Kuang H, Xu L, Xu C. A gold nanoparticle-based lateral flow immunosensor for ultrasensitive detection of tetrodotoxin. Analyst 2020; 145:2143-2151. [PMID: 32129380 DOI: 10.1039/d0an00170h] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Tetrodotoxin (TTX) is a potent marine neurotoxin. Its frequent detection and widespread distribution pose a substantial health risk to consumers. The work presented herein describes the development of a lateral flow immunosensor based on a gold nanoparticle-labeled monoclonal antibody probe, which allows the affinity reaction of antigen-antibody and amplifies the reaction signal. The immunosensor assay was found to provide a visible limit of detection (vLOD) of 10 μg kg-1 in crucian and clam matrices without time-consuming pretreatment. Spiked samples were analyzed using the immunosensor and liquid chromatography-tandem mass spectrometry (LC-MS/MS). The immunosensor gave average intra-assay recoveries of 84.0-103.9%, inter-assay recoveries of 76.1-105% for the crucian matrix and intra-assay recoveries of 78.5-93.0%, inter-assay recoveries of 74.8-85.7% for the clam matrix. The results obtained using the immunosensor and LC-MS/MS were in good agreement. The immunosensor test could be completed within 10 min, offering a convenient option or complementarity to the traditional methods of TTX detection.
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Affiliation(s)
- Yue Li
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, People's Republic of China.
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Peltomaa R, Glahn-Martínez B, Benito-Peña E, Moreno-Bondi MC. Optical Biosensors for Label-Free Detection of Small Molecules. SENSORS (BASEL, SWITZERLAND) 2018; 18:E4126. [PMID: 30477248 PMCID: PMC6308632 DOI: 10.3390/s18124126] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 11/20/2018] [Accepted: 11/21/2018] [Indexed: 12/12/2022]
Abstract
Label-free optical biosensors are an intriguing option for the analyses of many analytes, as they offer several advantages such as high sensitivity, direct and real-time measurement in addition to multiplexing capabilities. However, development of label-free optical biosensors for small molecules can be challenging as most of them are not naturally chromogenic or fluorescent, and in some cases, the sensor response is related to the size of the analyte. To overcome some of the limitations associated with the analysis of biologically, pharmacologically, or environmentally relevant compounds of low molecular weight, recent advances in the field have improved the detection of these analytes using outstanding methodology, instrumentation, recognition elements, or immobilization strategies. In this review, we aim to introduce some of the latest developments in the field of label-free optical biosensors with the focus on applications with novel innovations to overcome the challenges related to small molecule detection. Optical label-free methods with different transduction schemes, including evanescent wave and optical fiber sensors, surface plasmon resonance, surface-enhanced Raman spectroscopy, and interferometry, using various biorecognition elements, such as antibodies, aptamers, enzymes, and bioinspired molecularly imprinted polymers, are reviewed.
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Affiliation(s)
- Riikka Peltomaa
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - Bettina Glahn-Martínez
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - Elena Benito-Peña
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
| | - María C Moreno-Bondi
- Departamento de Química Analítica, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, E-28040 Madrid, Spain.
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16
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Walper SA, Lasarte Aragonés G, Sapsford KE, Brown CW, Rowland CE, Breger JC, Medintz IL. Detecting Biothreat Agents: From Current Diagnostics to Developing Sensor Technologies. ACS Sens 2018; 3:1894-2024. [PMID: 30080029 DOI: 10.1021/acssensors.8b00420] [Citation(s) in RCA: 85] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Although a fundamental understanding of the pathogenicity of most biothreat agents has been elucidated and available treatments have increased substantially over the past decades, they still represent a significant public health threat in this age of (bio)terrorism, indiscriminate warfare, pollution, climate change, unchecked population growth, and globalization. The key step to almost all prevention, protection, prophylaxis, post-exposure treatment, and mitigation of any bioagent is early detection. Here, we review available methods for detecting bioagents including pathogenic bacteria and viruses along with their toxins. An introduction placing this subject in the historical context of previous naturally occurring outbreaks and efforts to weaponize selected agents is first provided along with definitions and relevant considerations. An overview of the detection technologies that find use in this endeavor along with how they provide data or transduce signal within a sensing configuration follows. Current "gold" standards for biothreat detection/diagnostics along with a listing of relevant FDA approved in vitro diagnostic devices is then discussed to provide an overview of the current state of the art. Given the 2014 outbreak of Ebola virus in Western Africa and the recent 2016 spread of Zika virus in the Americas, discussion of what constitutes a public health emergency and how new in vitro diagnostic devices are authorized for emergency use in the U.S. are also included. The majority of the Review is then subdivided around the sensing of bacterial, viral, and toxin biothreats with each including an overview of the major agents in that class, a detailed cross-section of different sensing methods in development based on assay format or analytical technique, and some discussion of related microfluidic lab-on-a-chip/point-of-care devices. Finally, an outlook is given on how this field will develop from the perspective of the biosensing technology itself and the new emerging threats they may face.
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Affiliation(s)
- Scott A. Walper
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Guillermo Lasarte Aragonés
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- College of Science, George Mason University Fairfax, Virginia 22030, United States
| | - Kim E. Sapsford
- OMPT/CDRH/OIR/DMD Bacterial Respiratory and Medical Countermeasures Branch, U.S. Food and Drug Administration, Silver Spring, Maryland 20993, United States
| | - Carl W. Brown
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- College of Science, George Mason University Fairfax, Virginia 22030, United States
| | - Clare E. Rowland
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
- National Research Council, Washington, D.C. 20036, United States
| | - Joyce C. Breger
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
| | - Igor L. Medintz
- Center for Bio/Molecular Science and Engineering, Code 6900, U.S. Naval Research Laboratory, Washington, D.C. 20375, United States
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17
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Binding properties of broad-specific monoclonal antibodies against three organophosphorus pesticides by a direct surface plasmon resonance immunosensor. Anal Bioanal Chem 2018; 410:7263-7273. [DOI: 10.1007/s00216-018-1337-7] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2018] [Revised: 08/02/2018] [Accepted: 08/21/2018] [Indexed: 10/28/2022]
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18
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Guo Y, Liu R, Liu Y, Xiang D, Liu Y, Gui W, Li M, Zhu G. A non-competitive surface plasmon resonance immunosensor for rapid detection of triazophos residue in environmental and agricultural samples. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 613-614:783-791. [PMID: 28946376 DOI: 10.1016/j.scitotenv.2017.09.157] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 07/31/2017] [Accepted: 09/16/2017] [Indexed: 05/15/2023]
Abstract
The wide application of an organophosphate pesticide triazophos raises concern on the environmental pollution and the potential risk to human health. Thus, it is crucial to regularly monitor triazophos residue in the environment and agro-products. Herein we described a non-competitive immunoassay for trace detection of triazophos using a direct surface plasmon resonance (SPR) biosensor. Two anti-triazophos monoclonal antibodies (mAbs) were immobilized on the sensor chip and characterized by SPR-based kinetic analysis. The mAb with relatively slow dissociation rate was used for direct immunosensing of triazophos. The biosensor assay showed a high specificity and a low detection limit of 0.096ngmL-1 to triazophos, with the linear detection range of 0.98-8.29ngmL-1. Under the optimal condition, the sensor chip could be regenerated for 160cycles at least. Moreover, the sensitive method was applied to determine triazophos in the spiked environmental water and agricultural products, as well as in unknown real-life samples (including Chinese cabbage, cucumber, and apple). Desirable results demonstrated that the newly-developed immunosensor could be used as a rapid, convenient, and reliable tool to regularly monitor triazophos and meet the detection requirement of its maximum residue limits.
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Affiliation(s)
- Yirong Guo
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Rui Liu
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Ying Liu
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Dandan Xiang
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Yihua Liu
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China; Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China.
| | - Wenjun Gui
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
| | - Mingyu Li
- State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Hangzhou 310027, China
| | - Guonian Zhu
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, China
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Shen H, Zhang S, Fu Q, Xiao W, Wang S, Yu S, Xiao M, Bian H, Tang Y. A membrane-based fluorescence-quenching immunochromatographic sensor for the rapid detection of tetrodotoxin. Food Control 2017. [DOI: 10.1016/j.foodcont.2017.06.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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20
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Langer N, Steinicke F, Lindigkeit R, Ernst L, Beuerle T. Determination of cross-reactivity of poly- and monoclonal antibodies for synthetic cannabinoids by direct SPR and ELISA. Forensic Sci Int 2017; 280:25-34. [DOI: 10.1016/j.forsciint.2017.09.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Revised: 08/30/2017] [Accepted: 09/08/2017] [Indexed: 10/18/2022]
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21
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Reverté L, Rambla-Alegre M, Leonardo S, Bellés C, Campbell K, Elliott CT, Gerssen A, Klijnstra MD, Diogène J, Campàs M. Development and validation of a maleimide-based enzyme-linked immunosorbent assay for the detection of tetrodotoxin in oysters and mussels. Talanta 2017; 176:659-666. [PMID: 28917804 DOI: 10.1016/j.talanta.2017.08.058] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2017] [Revised: 08/10/2017] [Accepted: 08/11/2017] [Indexed: 11/30/2022]
Abstract
The recent detection of tetrodotoxins (TTXs) in puffer fish and shellfish in Europe highlights the necessity to monitor the levels of TTXs in seafood by rapid, specific, sensitive and reliable methods in order to protect human consumers. A previous immunoassay for TTX detection in puffer fish, based on the use of self-assembled monolayers (SAMs) for the immobilization of TTX on maleimide plates (mELISA), has been modified and adapted to the analysis of oyster and mussel samples. Changing dithiol for cysteamine-based SAMs enabled reductions in the assay time and cost, while maintaining the sensitivity of the assay. The mELISA showed high selectivity for TTX since the antibody did not cross-react with co-occurring paralytic shellfish poisoning (PSP) toxins and no interferences were observed from arginine (Arg). Moreover, TTX-coated maleimide plates stored for 3 months at -20°C and 4°C were stable, thus when pre-prepared, the time to perform the assay is reduced. When analyzing shellfish samples, matrix effects and toxin recovery values strongly depended on the shellfish type and the sample treatment. Blank oyster extracts could be directly analyzed without solid-phase extraction (SPE) clean-up, whereas blank mussel extracts showed strong matrix effects and SPE and subsequent solvent evaporation were required for removal. However, the SPE clean-up and evaporation resulted in toxin loss. Toxin recovery values were taken as correction factors (CFs) and were applied to the quantification of TTX contents in the analysis of naturally-contaminated shellfish samples by mELISA. The lowest effective limits of detection (eLODs) were about 20 and 50µg/kg for oyster extracts without and with SPE clean-up, respectively, and about 30µg/kg for mussel extracts with both protocols, all of them substantially below the eLOD attained in the previous mELISA for puffer fish (230µg/kg). Analysis of naturally-contaminated samples by mELISA and comparison with LC-MS/MS quantifications demonstrated the viability of the approach. This mELISA is a selective and sensitive tool for the rapid detection of TTX in oyster and mussel samples showing promise to be implemented in routine monitoring programs to protect human health.
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Affiliation(s)
- Laia Reverté
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Maria Rambla-Alegre
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Sandra Leonardo
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Carlos Bellés
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Katrina Campbell
- Institute for Global Food Security, School of Biological Sciences, Queen's University, Stranmillis Road, Belfast BT9 5AG, Northern Ireland, UK
| | - Christopher T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University, Stranmillis Road, Belfast BT9 5AG, Northern Ireland, UK
| | - Arjen Gerssen
- RIKILT (Institute of Food Safety) - Wageningen University and Research, 6700 AE, Wageningen, The Netherlands
| | - Mirjam D Klijnstra
- RIKILT (Institute of Food Safety) - Wageningen University and Research, 6700 AE, Wageningen, The Netherlands
| | - Jorge Diogène
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Mònica Campàs
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain.
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23
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Yakes BJ, Buijs J, Elliott CT, Campbell K. Surface plasmon resonance biosensing: Approaches for screening and characterising antibodies for food diagnostics. Talanta 2016; 156-157:55-63. [PMID: 27260435 DOI: 10.1016/j.talanta.2016.05.008] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 04/17/2016] [Accepted: 05/02/2016] [Indexed: 01/15/2023]
Abstract
Research in biosensing approaches as alternative techniques for food diagnostics for the detection of chemical contaminants and foodborne pathogens has increased over the last twenty years. The key component of such tests is the biorecognition element whereby polyclonal or monoclonal antibodies still dominate the market. Traditionally the screening of sera or cell culture media for the selection of polyclonal or monoclonal candidate antibodies respectively has been performed by enzyme immunoassays. For niche toxin compounds, enzyme immunoassays can be expensive and/or prohibitive methodologies for antibody production due to limitations in toxin supply for conjugate production. Automated, self-regenerating, chip-based biosensors proven in food diagnostics may be utilised as rapid screening tools for antibody candidate selection. This work describes the use of both single channel and multi-channel surface plasmon resonance (SPR) biosensors for the selection and characterisation of antibodies, and their evaluation in shellfish tissue as standard techniques for the detection of domoic acid, as a model toxin compound. The key advantages in the use of these biosensor techniques for screening hybridomas in monoclonal antibody production were the real time observation of molecular interaction and rapid turnaround time in analysis compared to enzyme immunoassays. The multichannel prototype instrument was superior with 96 analyses completed in 2h compared to 12h for the single channel and over 24h for the ELISA immunoassay. Antibodies of high sensitivity, IC50's ranging from 4.8 to 6.9ng/mL for monoclonal and 2.3-6.0ng/mL for polyclonal, for the detection of domoic acid in a 1min analysis time were selected. Although there is a progression for biosensor technology towards low cost, multiplexed portable diagnostics for the food industry, there remains a place for laboratory-based SPR instrumentation for antibody development for food diagnostics as shown herein.
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Affiliation(s)
- B J Yakes
- Center for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, 5100 Paint Branch Parkway, College Park, Maryland 20740, United States
| | - J Buijs
- GE Healthcare Bio-Sciences AB, Björkgatan 30, 75184 Uppsala, Sweden
| | - C T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT95AG, UK
| | - K Campbell
- Institute for Global Food Security, School of Biological Sciences, Queen's University Belfast, David Keir Building, Stranmillis Road, Belfast BT95AG, UK
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Chen TY, Hsieh CH, Hwang DF. Development of standardized methodology for identifying toxins in clinical samples and fish species associated with tetrodotoxin-borne poisoning incidents. J Food Drug Anal 2016; 24:9-14. [PMID: 28911413 PMCID: PMC9345434 DOI: 10.1016/j.jfda.2015.05.004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2015] [Revised: 05/06/2015] [Accepted: 05/26/2015] [Indexed: 01/10/2023] Open
Abstract
Tetrodotoxin (TTX) is a naturally occurring toxin in food, especially in puffer fish. TTX poisoning is observed frequently in South East Asian regions. In TTX-derived food poisoning outbreaks, the amount of TTX recovered from suspicious fish samples or leftovers, and residual levels from biological fluids of victims are typically trace. However, liquid chromatography–mass spectrometry and liquid chromatography–tandem mass spectrometry methods have been demonstrated to qualitatively and quantitatively determine TTX in clinical samples from victims. Identification and validation of the TTX-originating seafood species responsible for a food poisoning incident is needed. A polymerase chain reaction-based method on mitochondrial DNA analysis is useful for identification of fish species. This review aims to collect pertinent information available on TTX-borne food poisoning incidents with a special emphasis on the analytical methods employed for TTX detection in clinical laboratories as well as for the identification of TTX-bearing species.
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25
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Turner AD, Higgins C, Higman W, Hungerford J. Potential Threats Posed by Tetrodotoxins in UK Waters: Examination of Detection Methodology Used in Their Control. Mar Drugs 2015; 13:7357-76. [PMID: 26690455 PMCID: PMC4699243 DOI: 10.3390/md13127070] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2015] [Revised: 11/30/2015] [Accepted: 12/07/2015] [Indexed: 12/27/2022] Open
Abstract
Tetrodotoxin is a neurotoxin responsible for many human fatalities, most commonly following the consumption of pufferfish. Whilst the source of the toxin has not been conclusively proven, it is thought to be associated with various species of marine bacteria. Whilst the toxins are well studied in fish and gastropods, in recent years, there have been a number of reports of tetrodotoxin occurring in bivalve shellfish, including those harvested from the UK and other parts of Europe. This paper reviews evidence concerning the prevalence of tetrodotoxins in the UK together with methodologies currently available for testing. Biological, biomolecular and chemical methods are reviewed, including recommendations for further work. With the recent development of quantitative chromatographic methods for these and other hydrophilic toxins, as well as the commercial availability of rapid testing kits, there are a number of options available to ensure consumers are protected against this threat.
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Affiliation(s)
- Andrew D Turner
- Centre for Environment Fisheries and Aquaculture Science (Cefas), Barrack Road, The Nothe, Weymouth, Dorset DT4 8UB, UK.
| | - Cowan Higgins
- Agri-food and Biosciences Institute (AFBI), Newforge Lane, Belfast BT9 5PX, UK.
| | - Wendy Higman
- Centre for Environment Fisheries and Aquaculture Science (Cefas), Barrack Road, The Nothe, Weymouth, Dorset DT4 8UB, UK.
| | - James Hungerford
- Pacific Laboratory Northwest, United States Food and Drug Administration (USFDA), 22201 23rd Dr, S.E., Bothell, WA 98021, USA.
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Reverté L, de la Iglesia P, del Río V, Campbell K, Elliott CT, Kawatsu K, Katikou P, Diogène J, Campàs M. Detection of Tetrodotoxins in Puffer Fish by a Self-Assembled Monolayer-Based Immunoassay and Comparison with Surface Plasmon Resonance, LC-MS/MS, and Mouse Bioassay. Anal Chem 2015; 87:10839-47. [PMID: 26424329 DOI: 10.1021/acs.analchem.5b02158] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The increasing occurrence of puffer fish containing tetrodotoxin (TTX) in the Mediterranean could represent a major food safety risk for European consumers and threaten the fishing industry. The work presented herein describes the development of a new enzyme linked immunosorbent assay (mELISA) based on the immobilization of TTX through dithiol monolayers self-assembled on maleimide plates, which provides an ordered and oriented antigen immobilization and favors the antigen-antibody affinity interaction. The mELISA was found to have a limit of detection (LOD) of TTX of 0.23 mg/kg of puffer fish matrix. The mELISA and a surface plasmon resonance (SPR) immunosensor previously developed were employed to establish the cross-reactivity factors (CRFs) of 5,6,11-trideoxy-TTX, 5,11-deoxy-TTX, 11-nor-TTX-6-ol, and 5,6,11-trideoxy-4-anhydro-TTX, as well as to determine TTX equivalent contents in puffer fish samples. Results obtained by both immunochemical tools were correlated (R(2) = 0.977). The puffer fish samples were also analyzed using liquid chromatography-tandem mass spectrometry (LC-MS/MS), and the corresponding CRFs were applied to the individual TTX contents. Results provided by the immunochemical tools, when compared with those obtained by LC-MS/MS, showed a good degree of correlation (R(2) = 0.991 and 0.979 for mELISA and SPR, respectively). The mouse bioassay (MBA) slightly overestimated the CRF adjusted TTX content of samples when compared with the data obtained from the other techniques. The mELISA has been demonstrated to be fit for the purpose for screening samples in monitoring programs and in research activities.
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Affiliation(s)
- Laia Reverté
- IRTA , Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Pablo de la Iglesia
- IRTA , Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Vanessa del Río
- IRTA , Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Katrina Campbell
- Institute for Global Food Security, School of Biological Sciences, Queen's University , Stranmillis Road, Belfast BT9 5AG, Northern Ireland
| | - Christopher T Elliott
- Institute for Global Food Security, School of Biological Sciences, Queen's University , Stranmillis Road, Belfast BT9 5AG, Northern Ireland
| | - Kentaro Kawatsu
- Division of Bacteriology, Osaka Prefectural Institute of Public Health , 3-69, Nakamichi 1-chome, Higashinari-ku, Osaka 537-0025, Japan
| | - Panagiota Katikou
- National Reference Laboratory on Marine Biotoxins, Ministry of Rural Development and Food , 54627 Thessaloniki, Greece
| | - Jorge Diogène
- IRTA , Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
| | - Mònica Campàs
- IRTA , Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain
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Target-regulated proximity hybridization with three-way DNA junction for in situ enhanced electronic detection of marine biotoxin based on isothermal cycling signal amplification strategy. Biosens Bioelectron 2015; 69:241-8. [DOI: 10.1016/j.bios.2015.02.040] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2015] [Revised: 02/25/2015] [Accepted: 02/26/2015] [Indexed: 12/23/2022]
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Reverté L, Soliño L, Carnicer O, Diogène J, Campàs M. Alternative methods for the detection of emerging marine toxins: biosensors, biochemical assays and cell-based assays. Mar Drugs 2014; 12:5719-63. [PMID: 25431968 PMCID: PMC4278199 DOI: 10.3390/md12125719] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2014] [Revised: 11/11/2014] [Accepted: 11/11/2014] [Indexed: 12/02/2022] Open
Abstract
The emergence of marine toxins in water and seafood may have a considerable impact on public health. Although the tendency in Europe is to consolidate, when possible, official reference methods based on instrumental analysis, the development of alternative or complementary methods providing functional or toxicological information may provide advantages in terms of risk identification, but also low cost, simplicity, ease of use and high-throughput analysis. This article gives an overview of the immunoassays, cell-based assays, receptor-binding assays and biosensors that have been developed for the screening and quantification of emerging marine toxins: palytoxins, ciguatoxins, cyclic imines and tetrodotoxins. Their advantages and limitations are discussed, as well as their possible integration in research and monitoring programs.
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Affiliation(s)
- Laia Reverté
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Spain.
| | - Lucía Soliño
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Spain.
| | - Olga Carnicer
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Spain.
| | - Jorge Diogène
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Spain.
| | - Mònica Campàs
- IRTA, Carretera Poble Nou km 5.5, 43540 Sant Carles de la Ràpita, Spain.
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Zhu Z, Feng M, Zuo L, Zhu Z, Wang F, Chen L, Li J, Shan G, Luo SZ. An aptamer based surface plasmon resonance biosensor for the detection of ochratoxin A in wine and peanut oil. Biosens Bioelectron 2014; 65:320-6. [PMID: 25461176 DOI: 10.1016/j.bios.2014.10.059] [Citation(s) in RCA: 99] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2014] [Revised: 10/20/2014] [Accepted: 10/27/2014] [Indexed: 12/31/2022]
Abstract
Ochratoxin A (OTA), as a kind of chlorophenolic mycotoxin, exist widely in plant origin food and is harmful to human. Herein, a surface plasmon resonance (SPR) biosensor using an anti-OTA aptamer immobilized sensor chip was developed to measure ochratoxin A (OTA) quantificationally through a straightforward direct binding assay. The streptavidin protein as a crosslinker was immobilized onto the surface of a sensor chip and the biotin-aptamer was captured through streptavidin-biotin interaction. The biosensor exhibited a detection range from 0.094 to 100ng/mL (linear range from 0.094 to 10ng/mL) of OTA with a lower detection limit of 0.005ng/mL. Detection of OTA in wine and peanut oil was further performed in the SPR biosensor using simple liquid-liquid extraction for sample pretreatments. Recoveries of ochratoxin A from spiked samples ranged from 86.9% to 116.5% and coefficients of variation (CVs) ranged from 0.2% to 6.9%. The developed methods in our studies showed good analytical performances with limits of detection much lower than the maximum residue limit, as well as a good reproducibility and stability.
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Affiliation(s)
- Zhiling Zhu
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029 China; Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050 China
| | - Mengxue Feng
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029 China; Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050 China
| | - Limin Zuo
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050 China
| | - Zhentai Zhu
- State Key Laboratory of NBC Protection for Civilian, Beijing, China
| | - Fengwei Wang
- State Key Laboratory of NBC Protection for Civilian, Beijing, China
| | - Long Chen
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029 China
| | - Jinghua Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050 China
| | - Guangzhi Shan
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing 100050 China.
| | - Shi-Zhong Luo
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029 China.
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