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Adra HJ, Ryu HB, Jo AH, Lee JH, Choi SJ, Kim YR. Ligand-based magnetic extraction and safety assessment of zinc oxide nanoparticles in food products. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133235. [PMID: 38141311 DOI: 10.1016/j.jhazmat.2023.133235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/27/2023] [Accepted: 12/10/2023] [Indexed: 12/25/2023]
Abstract
Zinc oxide (ZnO) is a zinc supplement widely used in health products and is approved by the FDA as Generally Regarded as Safe (GRAS). However, concerns have arisen regarding the potential health effects of nanoscale ZnO, as its reactivity differs from that of its bulk form. This has led to the need for an efficient method to extract ZnO from food products without altering its physicochemical properties, where conventional methods have proven to be inadequate. This study introduces an innovative approach using starch magnetic particles (SMPs) functionalized with a 12-amino acid peptide modified with five lysines (ZBP), that has specific affinity to ZnO. ZBP@SMPs effectively and rapidly extract intact ZnO from food products, achieving recovery efficiencies ranging from 60% to 90%, all while maintaining its morphology and crystallinity. The diameter of ZnO particles recovered from six commercial food products ranged from 25 to 500 nm, with 33% falling below 100 nm, highlighting the need for a size-dependent toxicity study. However, cytotoxicity assessment on human intestinal Caco-2 cells shows all ZnO samples affects cell proliferation and membrane integrity in a dose-dependent manner due to partial dissolution. This study contributes to understanding the safety of ZnO-containing food products and highlights potential health implications associated with their consumption.
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Affiliation(s)
- Hazzel Joy Adra
- Institute of Life Sciences and Resources & Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Hyo-Bin Ryu
- Institute of Life Sciences and Resources & Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Ah-Hyun Jo
- Institute of Life Sciences and Resources & Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Jun-Hee Lee
- Institute of Life Sciences and Resources & Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Soo-Jin Choi
- Department of Applied Food System, Major of Food Science & Technology, Seoul Women's University, Seoul 01797, South Korea
| | - Young-Rok Kim
- Institute of Life Sciences and Resources & Department of Food Science and Biotechnology, Kyung Hee University, Yongin 17104, Republic of Korea.
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Castanheira A, Dos Santos MB, Rodriguez-Lorenzo L, Queirós R, Espiña B. A novel microfluidic system for the sensitive and cost-effective detection of okadaic acid in mussels. Analyst 2021; 146:2638-2645. [PMID: 33660716 DOI: 10.1039/d0an02092c] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Okadaic acid (OA) is produced by marine dinoflagellates and it can be easily accumulated in shellfish, causing intoxications when consumed by humans. Consequently, there is a need for sensitive, reliable and cost-effective methods to detect OA in real samples. In this work, we developed a novel and affordable microfluidic system to detect OA based on the protein phosphatase 1 inhibition colorimetric assay. This enzyme was immobilized in a microfluidic chamber by physisorption in an alumina sol-gel. The results show good enzyme stability over time when maintained at 4 °C. The developed system was sensitive for OA standard solutions, presenting a limit of detection (LOD) of 11.6 nM over a large linear range (43.4 to 3095.8 nM). Our method revealed an LOD as low as 0.2 μg kg-1 and a linear range between 1.47 and 506 μg kg-1 for extracted mussel matrix, detecting OA concentrations in contaminated mussels much lower than the regulated limit (160 μg kg-1). The enzyme stability and reusability along with the simplicity and low cost associated with microfluidics systems make this method very interesting from a commercial point of view.
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Affiliation(s)
- Ana Castanheira
- INL-International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga s/n, 4715-330 Braga, Portugal.
| | | | - Laura Rodriguez-Lorenzo
- INL-International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga s/n, 4715-330 Braga, Portugal.
| | - Raquel Queirós
- INL-International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga s/n, 4715-330 Braga, Portugal.
| | - Begoña Espiña
- INL-International Iberian Nanotechnology Laboratory, Avenida Mestre José Veiga s/n, 4715-330 Braga, Portugal.
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Abstract
Due to the expanding occurrence of marine toxins, and their potential impact on human health, there is an increased need for tools for their rapid and efficient detection. We give an overview of the use of magnetic beads (MBs) for the detection of marine toxins in shellfish and fish samples, with an emphasis on their incorporation into electrochemical biosensors. The use of MBs as supports for the immobilization of toxins or antibodies, as signal amplifiers as well as for target pre-concentration, is reviewed. In addition, the exploitation of MBs in Systematic Evolution of Ligands by Exponential enrichment (SELEX) for the selection of aptamers is presented. These MB-based strategies have led to the development of sensitive, simple, reliable and robust analytical systems for the detection of toxins in natural samples, with applicability in seafood safety and human health protection.
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Abstract
Increasing occurrences of harmful algal blooms (HABs) in the ocean are a major concern for countries around the globe, and with strong links between HABs and climate change and eutrophication, the occurrences are only set to increase. Of particular concern with regard to HABs is the presence of toxin-producing algae. Six major marine biotoxin groups are associated with HABs. Ingestion of such toxins via contaminated shellfish, fish, or other potential vectors, can lead to intoxication syndromes with moderate to severe symptoms, including death in extreme cases. There are also major economic implications associated with the diverse effects of marine biotoxins and HABs. Thus, effective monitoring programmes are required to manage and mitigate their detrimental global effect. However, currently legislated detection methods are labour-intensive, expensive and relatively slow. The growing field of biosensor diagnostic devices is an exciting area that has the potential to produce robust, easy-to-use, cost-effective, rapid and accurate detection methods for marine biotoxins and HABs. This review discusses recently developed biosensor assays that target marine biotoxins and their microbial producers, both in harvested fish/shellfish samples and in the open ocean. The effective deployment of such biosensor platforms could address the pressing need for improved monitoring of HABs and marine biotoxins, and could help to reduce their global economic impact.
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Gu H, Hao L, Duan N, Wu S, Xia Y, Ma X, Wang Z. A competitive fluorescent aptasensor for okadaic acid detection assisted by rolling circle amplification. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2293-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Bazin I, Tria SA, Hayat A, Marty JL. New biorecognition molecules in biosensors for the detection of toxins. Biosens Bioelectron 2016; 87:285-298. [PMID: 27568847 DOI: 10.1016/j.bios.2016.06.083] [Citation(s) in RCA: 105] [Impact Index Per Article: 13.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/17/2016] [Accepted: 06/28/2016] [Indexed: 12/24/2022]
Abstract
Biological and synthetic recognition elements are at the heart of the majority of modern bioreceptor assays. Traditionally, enzymes and antibodies have been integrated in the biosensor designs as a popular choice for the detection of toxin molecules. But since 1970s, alternative biological and synthetic binders have been emerged as a promising alternative to conventional biorecognition elements in detection systems for laboratory and field-based applications. Recent research has witnessed immense interest in the use of recombinant enzymatic methodologies and nanozymes to circumvent the drawbacks associated with natural enzymes. In the area of antibody production, technologies based on the modification of in vivo synthesized materials and in vitro approaches with development of "display "systems have been introduced in the recent years. Subsequently, molecularly-imprinted polymers and Peptide nucleic acid (PNAs) were developed as an attractive receptor with applications in the area of sample preparation and detection systems. In this article, we discuss all alternatives to conventional biomolecules employed in the detection of various toxin molecules We review recent developments in modified enzymes, nanozymes, nanobodies, aptamers, peptides, protein scaffolds and DNazymes. With the advent of nanostructures and new interface materials, these recognition elements will be major players in future biosensor development.
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Affiliation(s)
- Ingrid Bazin
- École des Mines d'Alès, 6 Avenuede Clavières, 30100 Alès Cedex, France.
| | - Scherrine A Tria
- École des Mines d'Alès, 6 Avenuede Clavières, 30100 Alès Cedex, France
| | - Akhtar Hayat
- BAE (Biocapteurs-Analyses-Environnement), Universite de Perpignan Via Domitia, 52 Avenue Paul Alduy, Perpignan Cedex 66860, France; Interdisciplinary Research Centre in Biomedical Materials (IRCBM), COMSATS Institute of Information Technology (CIIT), Lahore, Pakistan
| | - Jean-Louis Marty
- BAE (Biocapteurs-Analyses-Environnement), Universite de Perpignan Via Domitia, 52 Avenue Paul Alduy, Perpignan Cedex 66860, France
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Leonardo S, Campàs M. Electrochemical enzyme sensor arrays for the detection of the biogenic amines histamine, putrescine and cadaverine using magnetic beads as immobilisation supports. Mikrochim Acta 2016. [DOI: 10.1007/s00604-016-1821-8] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Soliño L, Sureda FX, Diogène J. Evaluation of okadaic acid, dinophysistoxin-1 and dinophysistoxin-2 toxicity on Neuro-2a, NG108-15 and MCF-7 cell lines. Toxicol In Vitro 2014; 29:59-62. [PMID: 25238672 DOI: 10.1016/j.tiv.2014.09.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Revised: 05/21/2014] [Accepted: 09/06/2014] [Indexed: 10/24/2022]
Abstract
Marine dinoflagelates from the genus Dynophisis are important producers of Diarrhetic Shellfish Poisoning (DSP) toxins which are responsible for human intoxications. The present work is an approach to study the relative toxicity of DSP toxins effects on Neuro-2a, NG108-15 and MCF-7 cell-lines. Certified standards of okadaic acid (OA), dinophysistoxin-1 (DTX-1) and dinophysistoxin-2 (DTX-2) were used. Our results show that the three toxins exhibit similar cytotoxicity in Neuro-2a and NG108-15 cell lines. Conversely, MCF-7 cells were the least sensitive to these toxins. DTX-1 displayed the most toxic effect in the three tested cell lines.
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Affiliation(s)
- Lucia Soliño
- IRTA, Marine Monitoring Subprogram, Ctra. Poble Nou, Km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain; Universitat Rovira i Virgili, Faculty of Medicine & Health Sciences, Pharmacology Unit, c./ St. Llorenç 21, 43201 Reus, Tarragona, Spain
| | - Francesc X Sureda
- Universitat Rovira i Virgili, Faculty of Medicine & Health Sciences, Pharmacology Unit, c./ St. Llorenç 21, 43201 Reus, Tarragona, Spain
| | - Jorge Diogène
- IRTA, Marine Monitoring Subprogram, Ctra. Poble Nou, Km 5.5, 43540 Sant Carles de la Ràpita, Tarragona, Spain.
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Garibo D, de la Iglesia P, Diogène J, Campàs M. Inhibition equivalency factors for dinophysistoxin-1 and dinophysistoxin-2 in protein phosphatase assays: applicability to the analysis of shellfish samples and comparison with LC-MS/MS. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2013; 61:2572-2579. [PMID: 23406170 DOI: 10.1021/jf305334n] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
The protein phosphatase inhibition assay (PPIA) is a well-known strategy for the determination of diarrheic shellfish poisoning (DSP) lipophilic toxins, which deserves better characterization and understanding to be used as a routine screening tool in monitoring programs. In this work, the applicability of two PPIAs to the determination of okadaic acid (OA), dinophysistoxin-1 (DTX-1), dinophysistoxin-2 (DTX-2), and their acyl ester derivatives in shellfish has been investigated. The inhibitory potencies of the DSP toxins on a recombinant and a wild PP2A have been determined, allowing the establishment of inhibition equivalency factors (IEFs) (1.1 and 0.9 for DTX-1, and 0.4 and 0.6 for DTX-2, for recombinant and wild PP2A, respectively). The PPIAs have been applied to the determination of OA equivalent contents in spiked and naturally contaminated shellfish samples. Results have been compared to those obtained by LC-MS/MS analysis, after application of the IEFs, showing good agreements.
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Affiliation(s)
- Diana Garibo
- IRTA , Carretera de Poble Nou, km 5.5, 43540 Sant Carles de la Ràpita, Spain
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Sassolas A, Hayat A, Catanante G, Marty JL. Detection of the marine toxin okadaic acid: Assessing seafood safety. Talanta 2013; 105:306-16. [DOI: 10.1016/j.talanta.2012.10.049] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2012] [Revised: 10/10/2012] [Accepted: 10/13/2012] [Indexed: 10/27/2022]
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Reverté L, Garibo D, Flores C, Diogène J, Caixach J, Campàs M. Magnetic particle-based enzyme assays and immunoassays for microcystins: from colorimetric to electrochemical detection. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2013; 47:471-478. [PMID: 23214443 DOI: 10.1021/es304234n] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In this work, magnetic particles (MPs) are used as supports for the immobilization of biorecognition molecules for the detection of microcystins (MCs). In one approach, a recombinant protein phosphatase 1 (PP1) has been conjugated to MPs via coordination chemistry, and MC-LR detection has been based on the inhibition of the enzyme activity. In the other approach, a monoclonal antibody (mAb) against MC-LR has been conjugated to protein G-coated MPs, and a direct competitive enzyme-linked immunoparticle assay (ELIPA) has been then performed. Conjugation of biomolecules to MPs has been first checked, and after optimization, MC detection has been performed. The colorimetric PPIA with PP1-MP and the best ELIPA strategy have provided limits of detection (LOD) of 7.4 and 3.9 μg/L of MC-LR, respectively. The electrochemical ELIPA has decreased the LOD to 0.4 μg/L, value below the guideline recommended by the World Health Organisation (WHO). The approaches have been applied to the analysis of a cyanobacterial culture and a natural bloom, and MC equivalent contents have been compared to those obtained by conventional assays and liquid chromatography-tandem mass spectrometry (LC-MS/MS). Results have demonstrated the viability of the use of MPs as biomolecule immobilization supports in biotechnological tools for MCs monitoring.
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Affiliation(s)
- Laia Reverté
- IRTA, Carretera de Poble Nou, km 5.5, 43540 Sant Carles de la Ràpita, Spain
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Eissa S, Zourob M. A graphene-based electrochemical competitive immunosensor for the sensitive detection of okadaic acid in shellfish. NANOSCALE 2012; 4:7593-7599. [PMID: 23108911 DOI: 10.1039/c2nr32146g] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
A novel graphene-based voltammetric immunosensor for sensitive detection of okadaic acid (OA) was developed. A simple and efficient electrografting method was utilized to functionalize graphene-modified screen-printed carbon electrodes (GSPE) by the electrochemical reduction of in situ generated 4-carboxyphenyl diazonium salt in acidic aqueous solution. Next, the okadaic acid antibody was covalently immobilized on the carboxyphenyl modified graphene electrodes via carbodiimide chemistry. Square wave voltammetry (SWV) was used to investigate the stepwise assembly of the immunosensor. A competitive assay between OA and a fixed concentration of okadaic acid-ovalbumin conjugate (OA-OVA) for the immobilized antibodies was employed for the detection of okadaic acid. The decrease of the [Fe(CN)(6)](3-/4-) reduction peak current in the square wave voltammetry for various concentrations of okadaic acid was used for establishing the calibration curve. A linear relationship between the SWV peak current difference and OA concentration was obtained up to ~5000 ng L(-1). The developed immunosensor allowed a detection limit of 19 ng L(-1) of OA in PBS buffer. The matrix effect studied with spiked shellfish tissue extracts showed a good percentage of recovery and the method was also validated with certified reference mussel samples.
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Affiliation(s)
- Shimaa Eissa
- Institut national de la recherche scientifique, Centre - Energie, Matériaux et Télécommunications, 1650, Boul. Lionel Boulet, Varennes, Québec J3X 1S2, Canada
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