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Ozcelikay G, Cetinkaya A, Kaya SI, Yence M, Canavar Eroğlu PE, Unal MA, Ozkan SA. Novel Sensor Approaches of Aflatoxins Determination in Food and Beverage Samples. Crit Rev Anal Chem 2024; 54:982-1001. [PMID: 35917408 DOI: 10.1080/10408347.2022.2105136] [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] [Indexed: 10/16/2022]
Abstract
The rapid quantification of toxins in food and beverage products has become a significant issue in overcoming and preventing many life-threatening diseases. Aflatoxin-contaminated food is one of the reasons for primary liver cancer and induces some tumors and cancer types. Advancements in biosensors technology have brought out different analysis methods. Therefore, the sensing performance has been improved for agricultural and beverage industries or food control processes. Nanomaterials are widely used for the enhancement of sensing performance. The enzymes, molecularly imprinted polymers (MIP), antibodies, and aptamers can be used as biorecognition elements. The transducer part of the biosensor can be selected, such as optical, electrochemical, and mass-based. This review explains the classification of major types of aflatoxins, the importance of nanomaterials, electrochemical, optical biosensors, and QCM and their applications for the determination of aflatoxins.
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Affiliation(s)
- Goksu Ozcelikay
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Yenimahalle, Ankara, Turkey
| | - Ahmet Cetinkaya
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Yenimahalle, Ankara, Turkey
| | - S Irem Kaya
- Department of Analytical Chemistry, Gulhane Faculty of Pharmacy, University of Health Sciences, Kecioren, Ankara, Turkey
| | - Merve Yence
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Yenimahalle, Ankara, Turkey
| | | | | | - Sibel A Ozkan
- Department of Analytical Chemistry, Faculty of Pharmacy, Ankara University, Yenimahalle, Ankara, Turkey
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Lakavath K, Kafley C, Sajeevan A, Jana S, Marty JL, Kotagiri YG. Progress on Electrochemical Biomimetic Nanosensors for the Detection and Monitoring of Mycotoxins and Pesticides. Toxins (Basel) 2024; 16:244. [PMID: 38922139 PMCID: PMC11209398 DOI: 10.3390/toxins16060244] [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: 03/31/2024] [Revised: 05/19/2024] [Accepted: 05/20/2024] [Indexed: 06/27/2024] Open
Abstract
Monitoring agricultural toxins such as mycotoxins is crucial for a healthy society. High concentrations of these toxins lead to the cause of several chronic diseases; therefore, developing analytical systems for detecting/monitoring agricultural toxins is essential. These toxins are found in crops such as vegetables, fruits, food, and beverage products. Currently, screening of these toxins is mostly performed with sophisticated instrumentation such as chromatography and spectroscopy techniques. However, these techniques are very expensive and require extensive maintenance, and their availability is limited to metro cities only. Alternatively, electrochemical biomimetic sensing methodologies have progressed hugely during the last decade due to their unique advantages like point-of-care sensing, miniaturized instrumentations, and mobile/personalized monitoring systems. Specifically, affinity-based sensing strategies including immunosensors, aptasensors, and molecular imprinted polymers offer tremendous sensitivity, selectivity, and stability to the sensing system. The current review discusses the principal mechanisms and the recent developments in affinity-based sensing methodologies for the detection and continuous monitoring of mycotoxins and pesticides. The core discussion has mainly focused on the fabrication protocols, advantages, and disadvantages of affinity-based sensing systems and different exploited electrochemical transduction techniques.
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Affiliation(s)
- Kavitha Lakavath
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678 557, Kerala, India; (K.L.); (C.K.); (A.S.); (S.J.)
| | - Chandan Kafley
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678 557, Kerala, India; (K.L.); (C.K.); (A.S.); (S.J.)
| | - Anjana Sajeevan
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678 557, Kerala, India; (K.L.); (C.K.); (A.S.); (S.J.)
| | - Soumyajit Jana
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678 557, Kerala, India; (K.L.); (C.K.); (A.S.); (S.J.)
| | - Jean Louis Marty
- BAE Laboratory, Université de Perpignan Via Domitia, 52 Avenue Paul Alduy, 66860 Perpignan, France
| | - Yugender Goud Kotagiri
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678 557, Kerala, India; (K.L.); (C.K.); (A.S.); (S.J.)
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Ciobanu D, Hosu-Stancioiu O, Melinte G, Ognean F, Simon I, Cristea C. Recent Progress of Electrochemical Aptasensors toward AFB1 Detection (2018-2023). BIOSENSORS 2023; 14:7. [PMID: 38248384 PMCID: PMC10813172 DOI: 10.3390/bios14010007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 12/12/2023] [Accepted: 12/20/2023] [Indexed: 01/23/2024]
Abstract
Food contaminants represent possible threats to humans and animals as severe food safety hazards. Prolonged exposure to contaminated food often leads to chronic diseases such as cancer, kidney or liver failure, immunosuppression, or genotoxicity. Aflatoxins are naturally produced by strains of the fungi species Aspergillus, which is one of the most critical and poisonous food contaminants worldwide. Given the high percentage of contaminated food products, traditional detection methods often prove inadequate. Thus, it becomes imperative to develop fast, accurate, and easy-to-use analytical methods to enable safe food products and good practices policies. Focusing on the recent progress (2018-2023) of electrochemical aptasensors for aflatoxin B1 (AFB1) detection in food and beverage samples, without pretending to be exhaustive, we present an overview of the most important label-free and labeled sensing strategies. Simultaneous and competitive aptamer-based strategies are also discussed. The aptasensors are summarized in tabular format according to the detection mode. Sample treatments performed prior analysis are discussed. Emphasis was placed on the nanomaterials used in the aptasensors' design for aptamer-tailored immobilization and/or signal amplification. The advantages and limitations of AFB1 electrochemical aptasensors for field detection are presented.
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Affiliation(s)
- Despina Ciobanu
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Pasteur Street, 400349 Cluj-Napoca, Romania; (D.C.); (G.M.); (F.O.)
| | - Oana Hosu-Stancioiu
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Pasteur Street, 400349 Cluj-Napoca, Romania; (D.C.); (G.M.); (F.O.)
| | - Gheorghe Melinte
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Pasteur Street, 400349 Cluj-Napoca, Romania; (D.C.); (G.M.); (F.O.)
| | - Flavia Ognean
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Pasteur Street, 400349 Cluj-Napoca, Romania; (D.C.); (G.M.); (F.O.)
| | - Ioan Simon
- Department of Surgery, Faculty of Medicine, “Iuliu Haţieganu” University of Medicine and Pharmacy, 400012 Cluj-Napoca, Romania;
| | - Cecilia Cristea
- Department of Analytical Chemistry, Faculty of Pharmacy, “Iuliu Haţieganu” University of Medicine and Pharmacy, 4 Pasteur Street, 400349 Cluj-Napoca, Romania; (D.C.); (G.M.); (F.O.)
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Abstract
Rapid and specific assaying of molecules that report on a pathophysiological condition, environmental pollution, or drug concentration is pivotal for establishing efficient and accurate diagnostic systems. One of the main components required for the construction of these systems is the recognition element (receptor) that can identify target analytes. Oligonucleotide switching structures, or aptamers, have been widely studied as selective receptors that can precisely identify targets in different analyzed matrices with minimal interference from other components in an antibody-like recognition process. These aptasensors, especially when integrated into sensing platforms, enable a multitude of sensors that can outperform antibody-based sensors in terms of flexibility of the sensing strategy and ease of deployment to areas with limited resources. Research into compounds that efficiently enhance signal transduction and provide a suitable platform for conjugating aptamers has gained huge momentum over the past decade. The multifaceted nature of conjugated polymers (CPs), notably their versatile electrical and optical properties, endows them with a broad range of potential applications in optical, electrical, and electrochemical signal transduction. Despite the substantial body of research demonstrating the enhanced performance of sensing devices using doped or nanostructure-embedded CPs, few reviews are available that specifically describe the use of conjugated polymers in aptasensing. The purpose of this review is to bridge this gap and provide a comprehensive description of a variety of CPs, from a historical viewpoint, underpinning their specific characteristics and demonstrating the advances in biosensors associated with the use of these conjugated polymers.
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Affiliation(s)
- Razieh Salimian
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Pau 64053, France
| | - Corinne Nardin
- Universite de Pau et des Pays de l'Adour, E2S UPPA, CNRS, IPREM, Pau 64053, France
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Fan Y, Li J, Amin K, Yu H, Yang H, Guo Z, Liu J. Advances in aptamers, and application of mycotoxins detection: A review. Food Res Int 2023; 170:113022. [PMID: 37316026 DOI: 10.1016/j.foodres.2023.113022] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 05/16/2023] [Accepted: 05/19/2023] [Indexed: 06/16/2023]
Abstract
Mycotoxin contamination in food products can easily cause serious health hazards and economic losses to human beings. How to accurately detect and effectively control mycotoxin contamination has become a global concern. Mycotoxins conventional detection techniques e.g; ELISA, HPLC, have limitations like, low sensitivity, high cost and time-consuming. Aptamer-based biosensing technology has the advantages of high sensitivity, high specificity, wide linear range, high feasibility, and non-destructiveness, which overcomes the shortcomings of conventional analysis techniques. This review summarizes the sequences of mycotoxin aptamers that have been reported so far. Based on the application of four classic POST-SELEX strategies, it also discusses the bioinformatics-assisted POST-SELEX technology in obtaining optimal aptamers. Furthermore, trends in the study of aptamer sequences and their binding mechanisms to targets is also discussed. The latest examples of aptasensor detection of mycotoxins are classified and summarized in detail. Newly developed dual-signal detection, dual-channel detection, multi-target detection and some types of single-signal detection combined with unique strategies or novel materials in recent years are focused. Finally, the challenges and prospects of aptamer sensors in the detection of mycotoxins are discussed. The development of aptamer biosensing technology provides a new approach with multiple advantages for on-site detection of mycotoxins. Although aptamer biosensing shows great development potential, still some challenges and difficulties are there in practical applications. Future research need high focus on the practical applications of aptasensors and the development of convenient and highly automated aptamers. This may lead to the transition of aptamer biosensing technology from laboratory to commercialization.
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Affiliation(s)
- Yiting Fan
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China.
| | - Jiaxin Li
- Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China; Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical and Food Chemistry, Faculty of Sciences, 32004 Ourense, Spain.
| | - Khalid Amin
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China.
| | - Hansong Yu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; Division of Soybean Processing, Soybean Research & Development Center, Chinese Agricultural Research System, Changchun 130118, China.
| | - Huanhuan Yang
- College of Food Science, Heilongjiang Bayi Agricultural University, Daqing 163000, China; College of Life Science Chang Chun Normal University, Changchun 130032, China.
| | - Zhijun Guo
- College of Agriculture, Yanbian University, Yanji 133002, China.
| | - Jingsheng Liu
- College of Food Science and Engineering, Jilin Agricultural University, Changchun 130118, China; National Engineering Laboratory for Wheat and Corn Deep Processing, Changchun, Jilin 130118, China.
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Kummari S, Panicker LR, Rao Bommi J, Karingula S, Sunil Kumar V, Mahato K, Goud KY. Trends in Paper-Based Sensing Devices for Clinical and Environmental Monitoring. BIOSENSORS 2023; 13:bios13040420. [PMID: 37185495 PMCID: PMC10135896 DOI: 10.3390/bios13040420] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 03/20/2023] [Accepted: 03/23/2023] [Indexed: 05/17/2023]
Abstract
Environmental toxic pollutants and pathogens that enter the ecosystem are major global issues. Detection of these toxic chemicals/pollutants and the diagnosis of a disease is a first step in efficiently controlling their contamination and spread, respectively. Various analytical techniques are available to detect and determine toxic chemicals/pathogens, including liquid chromatography, HPLC, mass spectroscopy, and enzyme-linked immunosorbent assays. However, these sensing strategies have some drawbacks such as tedious sample pretreatment and preparation, the requirement for skilled technicians, and dependence on large laboratory-based instruments. Alternatively, biosensors, especially paper-based sensors, could be used extensively and are a cost-effective alternative to conventional laboratory testing. They can improve accessibility to testing to identify chemicals and pollutants, especially in developing countries. Due to its low cost, abundance, easy disposal (by incineration, for example) and biocompatible nature, paper is considered a versatile material for the development of environmentally friendly electrochemical/optical (bio) sensor devices. This review presents an overview of sensing platforms constructed from paper, pointing out the main merits and demerits of paper-based sensing systems, their fabrication techniques, and the different optical/electrochemical detection techniques that they exploit.
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Affiliation(s)
- Shekher Kummari
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678557, Kerala, India
| | - Lakshmi R Panicker
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678557, Kerala, India
| | | | - Sampath Karingula
- Department of Chemistry, National Institute of Technology, Warangal 506004, Telangana, India
| | - Venisheety Sunil Kumar
- Department of Physical Sciences, Kakatiya Institute of Technology and Science, Warangal 506015, Telangana, India
| | - Kuldeep Mahato
- Department of Nanoengineering, University of California, La Jolla, San Diego, CA 92093, USA
| | - Kotagiri Yugender Goud
- Department of Chemistry, Indian Institute of Technology Palakkad, Palakkad 678557, Kerala, India
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Onaş AM, Dascălu C, Raicopol MD, Pilan L. Critical Design Factors for Electrochemical Aptasensors Based on Target-Induced Conformational Changes: The Case of Small-Molecule Targets. BIOSENSORS 2022; 12:816. [PMID: 36290952 PMCID: PMC9599214 DOI: 10.3390/bios12100816] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Nucleic-acid aptamers consisting in single-stranded DNA oligonucleotides emerged as very promising biorecognition elements for electrochemical biosensors applied in various fields such as medicine, environmental, and food safety. Despite their outstanding features, such as high-binding affinity for a broad range of targets, high stability, low cost and ease of modification, numerous challenges had to be overcome from the aptamer selection process on the design of functioning biosensing devices. Moreover, in the case of small molecules such as metabolites, toxins, drugs, etc., obtaining efficient binding aptamer sequences proved a challenging task given their small molecular surface and limited interactions between their functional groups and aptamer sequences. Thus, establishing consistent evaluation standards for aptamer affinity is crucial for the success of these aptamers in biosensing applications. In this context, this article will give an overview on the thermodynamic and structural aspects of the aptamer-target interaction, its specificity and selectivity, and will also highlight the current methods employed for determining the aptamer-binding affinity and the structural characterization of the aptamer-target complex. The critical aspects regarding the generation of aptamer-modified electrodes suitable for electrochemical sensing, such as appropriate bioreceptor immobilization strategy and experimental conditions which facilitate a convenient anchoring and stability of the aptamer, are also discussed. The review also summarizes some effective small molecule aptasensing platforms from the recent literature.
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Affiliation(s)
- Andra Mihaela Onaş
- Advanced Polymer Materials Group, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
| | - Constanţa Dascălu
- Faculty of Applied Sciences, University ‘Politehnica’ of Bucharest, 313 Splaiul Independenţei, District 6, 060042 Bucharest, Romania
| | - Matei D. Raicopol
- Faculty of Chemical Engineering and Biotechnologies, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
| | - Luisa Pilan
- Faculty of Chemical Engineering and Biotechnologies, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
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Zhu H, Yang L, Gao J, Gao M, Han Z. Quantitative detection of Aflatoxin B1 by subpixel CNN regression. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 268:120633. [PMID: 34862137 DOI: 10.1016/j.saa.2021.120633] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/23/2021] [Accepted: 11/12/2021] [Indexed: 06/13/2023]
Abstract
Aflatoxin is a highly toxic substance dispersed in peanuts, which seriously harms the health of humans and animals. In this paper, we propose a new method for aflatoxin B1(AFB1) detection inspired by quantitative remote sensing. Firstly, we obtained the relative content of AFB1 at the sub-pixel level by subpixel decomposition (endmember extraction, nonnegative matrix decomposition). Then we modified the transfer learning models (LeNet5, AlexNet, VGG16, and ResNet18) to construct a deep learning regression network for quantitative detection of AFB1. There are 67,178 pixels used for training and 67,164 pixels used for testing. After subpixel decomposition, each aflatoxin pixel was determined to contain content, and each pixel had 400 hyperspectral values (415-799 nm). The experimental results showed that, among the four models, the modified ResNet18 model achieved the best effect, with R2 of 0.8898, RMSE of 0.0138, and RPD of 2.8851. Here, we implemented a sub-pixel model for quantitative AFB1 detection and proposed a regression method based on deep learning. Meanwhile, the modified convolution classification model has high predictive ability and robustness. This method provides a new scheme in designing the sorting machine and has practical value.
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Affiliation(s)
- Hongfei Zhu
- School of Computer Science and Technology, Tiangong University, Tianjin 300387, China.
| | - Lianhe Yang
- School of Computer Science and Technology, Tiangong University, Tianjin 300387, China
| | - Jiyue Gao
- College of Science and Information, Qingdao Agricultural University, Qingdao 266109, China
| | - Mei Gao
- School of Humanities, Tiangong University, Tianjin 300387, China
| | - Zhongzhi Han
- College of Science and Information, Qingdao Agricultural University, Qingdao 266109, China.
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10
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Zhan S, Hu J, Li Y, Huang X, Xiong Y. Direct competitive ELISA enhanced by dynamic light scattering for the ultrasensitive detection of aflatoxin B 1 in corn samples. Food Chem 2020; 342:128327. [PMID: 33069525 DOI: 10.1016/j.foodchem.2020.128327] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2020] [Revised: 08/08/2020] [Accepted: 10/05/2020] [Indexed: 12/25/2022]
Abstract
Compared with absorbance, scattering-based dynamic light scattering (DLS) signal has higher sensitivity because its light-scattering intensity is very sensitive to changes in size, thereby enhancing the sensitivity. Herein, we first developed a DLS-enhanced direct competitive enzyme-linked immunosorbent assay (DLS-dcELISA) for ultrasensitive detection of aflatoxin B1 (AFB1) in corn. By using hydroxyl radical-induced gold nanoparticle (AuNP) aggregation to amplify AuNP scattering signals, the developed DLS-dcELISA exhibited ultrahigh sensitivity for AFB1. The detection limit was 0.12 pg mL-1, which was 153- and 385-fold lower than those obtained using plasmonic and colorimetric dcELISA. In addition, the DLS-dcELISA exhibited excellent selectivity, high accuracy, and strong practicality. Overall, this work presented a simple and universal strategy for improving the sensitivity of traditional ELISA platform only by using the sensitive DLS signals. This technique can replace absorbance-based plasmonic or colored signals as immunoassay signal output for enhanced competitive detection of mycotoxins.
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Affiliation(s)
- Shengnan Zhan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Jiaqi Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Yu Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China
| | - Xiaolin Huang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China.
| | - Yonghua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang 330047, PR China; School of Food Science and Technology, Nanchang University, Nanchang 330047, PR China; Jiangxi-OAI Joint Research Institute, Nanchang University, Nanchang 330047, PR China.
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11
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Design of aptamer-based sensing platform using gold nanoparticles functionalized reduced graphene oxide for ultrasensitive detection of Hepatitis B virus. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01292-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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12
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Beitollahi H, Tajik S, Dourandish Z, Zhang K, Le QV, Jang HW, Kim SY, Shokouhimehr M. Recent Advances in the Aptamer-Based Electrochemical Biosensors for Detecting Aflatoxin B1 and Its Pertinent Metabolite Aflatoxin M1. SENSORS (BASEL, SWITZERLAND) 2020; 20:E3256. [PMID: 32521629 PMCID: PMC7309004 DOI: 10.3390/s20113256] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2020] [Revised: 05/27/2020] [Accepted: 06/02/2020] [Indexed: 02/07/2023]
Abstract
The notable toxicological impacts of aflatoxin B1 (AFB1) and its main metabolite, aflatoxin M1 (AFM1), on human being health make the evaluation of food quality highly significant. Due to the toxicity of those metabolites-even very low content in foodstuffs-it is crucial to design a sensitive and reliable procedure for their detection. Electrochemical aptamer-based biosensors are considered the most encouraging option, based on multi-placed analysis, rapid response, high sensitivity and specificity. The present review specifically emphasizes the potential utilization of the electrochemical aptasensors for determining the AFM1 and AFB1 with different electrodes.
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Affiliation(s)
- Hadi Beitollahi
- Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman 76315117, Iran; (H.B.); (Z.D.)
| | - Somayeh Tajik
- Research Center for Tropical and Infectious Diseases, Kerman University of Medical Sciences, Kerman 7616913555, Iran
| | - Zahra Dourandish
- Environment Department, Institute of Science and High Technology and Environmental Sciences, Graduate University of Advanced Technology, Kerman 76315117, Iran; (H.B.); (Z.D.)
| | - Kaiqiang Zhang
- Jiangsu Key Laboratory of Advanced Organic Materials, Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, Jiangsu, China;
| | - Quyet Van Le
- Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
| | - Ho Won Jang
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Korea;
| | - Soo Young Kim
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul 02841, Korea
| | - Mohammadreza Shokouhimehr
- Department of Materials Science and Engineering, Research Institute of Advanced Materials, Seoul National University, Seoul 08826, Korea;
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Goud KY, Reddy KK, Satyanarayana M, Kummari S, Gobi KV. A review on recent developments in optical and electrochemical aptamer-based assays for mycotoxins using advanced nanomaterials. Mikrochim Acta 2019; 187:29. [PMID: 31813061 DOI: 10.1007/s00604-019-4034-0] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 11/15/2019] [Indexed: 12/12/2022]
Abstract
This review (with 163 refs) covers the recent developments of nanomaterial-based optical and electrochemical sensors for mycotoxins. The review starts with a brief discussion on occurrence, distribution, toxicity of mycotoxins and the legislations in monitoring their levels. It further outlines the research methods, various recognition matrices and the strategies involved in the development of highly sensitive and selective sensor systems. It also points out the salient features and importance of aptasensors in the detection of mycotoxins along with the different immobilization methods of aptamers. The review meticulously discusses the performance of different optical and electrochemical sensors fabricated using aptamers coupled with nanomaterials (CNT, graphene, metal nanoparticles and metal oxide nanoparticles). The review addresses the limitations in the current developments as well as the future challenges involved in the successful construction of aptasensors with the functionalized nanomaterials. Graphical abstract Recent developments in nanomaterial based aptasensors for mycotoxins are summarized. Specifically, the efficiency of the nanomaterial coupled aptasensors (such as CNT, graphene, metal nanoparticles and metal oxide nanoparticles) in optical and electrochemical methods are discussed.
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Affiliation(s)
- K Yugender Goud
- Department of NanoEngineering, University of California San Diego, La Jolla, CA, 92093, USA.
| | - K Koteshwara Reddy
- Department of Chemistry, National Institute of Technology, Warangal, Telangana, 506004, India
| | - M Satyanarayana
- Electrical and Computer Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Shekher Kummari
- Department of Chemistry, National Institute of Technology, Warangal, Telangana, 506004, India
| | - K Vengatajalabathy Gobi
- Department of Chemistry, National Institute of Technology, Warangal, Telangana, 506004, India.
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Schulz K, Pöhlmann C, Dietrich R, Märtlbauer E, Elßner T. An Electrochemical Fiveplex Biochip Assay Based on Anti-Idiotypic Antibodies for Fast On-Site Detection of Bioterrorism Relevant Low Molecular Weight Toxins. Toxins (Basel) 2019; 11:toxins11120696. [PMID: 31795179 PMCID: PMC6950599 DOI: 10.3390/toxins11120696] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2019] [Revised: 11/22/2019] [Accepted: 11/26/2019] [Indexed: 12/19/2022] Open
Abstract
Modern threats of bioterrorism force the need for multiple detection of biothreat agents to determine the presence or absence of such agents in suspicious samples. Here, we present a rapid electrochemical fiveplex biochip screening assay for detection of the bioterrorism relevant low molecular weight toxins saxitoxin, microcystin-LR, T-2 toxin, roridin A and aflatoxin B1 relying on anti-idiotypic antibodies as epitope-mimicking reagents. The proposed method avoids the use of potentially harmful toxin-protein conjugates usually mandatory for competitive immunoassays. The biochip is processed and analyzed on the automated and portable detection platform pBDi within 13.4 min. The fiveplex biochip assay revealed toxin group specificity to multiple congeners. Limits of detection were 1.2 ng/mL, 1.5 ng/mL, 0.4 ng/mL, 0.5 ng/mL and 0.6 ng/mL for saxitoxin, microcystin-LR, T-2 toxin, roridin A or aflatoxin B1, respectively. The robustness of the fiveplex biochip for real samples was demonstrated by detecting saxitoxin, microcystin-LR, HT-2 toxin, roridin A and aflatoxin B1 in contaminated human blood serum without elaborate sample preparation. Recovery rates were between 52–115% covering a wide concentration range. Thus, the developed robust fiveplex biochip assay can be used on-site to quickly detect one or multiple low molecular weight toxins in a single run.
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Affiliation(s)
- Katharina Schulz
- Bruker Daltonik GmbH, Permoserstr. 15, 04318 Leipzig, Germany; (K.S.); (C.P.); (T.E.)
- Department of Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig-Maximilians-Universität München, Schönleutnerstr. 8, 85764 Oberschleißheim, Germany;
| | - Christopher Pöhlmann
- Bruker Daltonik GmbH, Permoserstr. 15, 04318 Leipzig, Germany; (K.S.); (C.P.); (T.E.)
| | - Richard Dietrich
- Department of Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig-Maximilians-Universität München, Schönleutnerstr. 8, 85764 Oberschleißheim, Germany;
| | - Erwin Märtlbauer
- Department of Veterinary Sciences, Faculty of Veterinary Medicine, Ludwig-Maximilians-Universität München, Schönleutnerstr. 8, 85764 Oberschleißheim, Germany;
- Correspondence:
| | - Thomas Elßner
- Bruker Daltonik GmbH, Permoserstr. 15, 04318 Leipzig, Germany; (K.S.); (C.P.); (T.E.)
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