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Erdem A, Senturk H, Yildiz E, Maral M. Optimized aptamer-based next generation biosensor for the ultra-sensitive determination of SARS-CoV-2 S1 protein in saliva samples. Int J Biol Macromol 2024; 281:136233. [PMID: 39362419 DOI: 10.1016/j.ijbiomac.2024.136233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2024] [Revised: 09/23/2024] [Accepted: 09/30/2024] [Indexed: 10/05/2024]
Abstract
COVID-19 is an infectious disease caused by the SARS-CoV-2 virus, which rapidly spread worldwide and resulted in a pandemic. Efficient and sensitive detection techniques have been devised since the onset of the epidemic and continue to be improved at present. Due to the crucial role of the SARS-CoV-2 S1 protein in facilitating the virus's entry into cells, efforts in detection and treatment have primarily centered upon this protein. In this study, a rapid, ultrasensitive, disposable, easy-to-use, cost-effective next generation biosensor based on optimized aptamer (Optimer, OPT) was developed by using a disposable pencil graphite electrode (PGE) and applied for the impedimetric determination of SARS-CoV-2 S1 protein. The S1 protein interacted with the OPT in the solution phase and then immobilized onto the PGE surface. Subsequently, measurements using electrochemical impedance spectroscopy (EIS) were conducted in a solution containing a redox probe of 1 mM [Fe(CN)6]3-/4-. Under optimum conditions, the limit of detection (LOD) for the S1 protein in buffer medium at concentrations ranging from 101 to 106 ag/mL was calculated as 8.80 ag/mL (0.11 aM). The selectivity of the developed biosensor was studied against MERS-CoV-S1 protein (MERS) and Influenza Hemagglutinin antigen (HA). Furthermore, the application of the biosensor in artificial saliva medium is demonstrated. The LOD was also calculated in artificial saliva medium in the concentration range of 101-105 ag/mL and calculated as 2.01 ag/mL (0.025 aM). This medium was also used to assess the selectivity of optimized-aptamer based biosensor.
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Affiliation(s)
- Arzum Erdem
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, Bornova, 35100 Izmir, Türkiye.
| | - Huseyin Senturk
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, Bornova, 35100 Izmir, Türkiye
| | - Esma Yildiz
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, Bornova, 35100 Izmir, Türkiye
| | - Meltem Maral
- Analytical Chemistry Department, Faculty of Pharmacy, Ege University, Bornova, 35100 Izmir, Türkiye
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2
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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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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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4
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Guo X, Wang M. Recent progress in optical and electrochemical aptasensor technologies for detection of aflatoxin B1. Crit Rev Food Sci Nutr 2023:1-19. [PMID: 37778392 DOI: 10.1080/10408398.2023.2260508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/03/2023]
Abstract
AFB1 (Aflatoxin B1) contamination is becoming a global concern issue due to its extraordinary occurrence, severe toxicity, as well as the great influence on the economic losses, food safety and environment. Therefore, it is desirable to develop novel analytical techniques for simple, rapid, accurate, and even point-of-care testing of AFB1. Fortunately, aptamer, considered as a new generation bioreceptor and even superior to classic antibody and enzyme, has been emerged remarkable application in food hazards detection. Correspondingly, aptasensors have been well-established toward AFB1 determination with outstanding performance. In this article, we first discuss and summarize the recent progress in optical and electrochemical aptasensors to monitor AFB1 over the past three years. In particular, the embedding of advanced nanomaterials for their improved analytical performance is highlighted. Furthermore, the critical analysis on various signal transduction strategies for aptasensors construction is discussed. Finally, we reveal the challenges and provide our opinion in future opportunities for aptasensor development.
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Affiliation(s)
- Xiaodong Guo
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
- School of Agriculture and Biology, Shanghai Jiao Tong University, Shanghai, China
| | - Mengzhi Wang
- College of Animal Science and Technology, Yangzhou University, Yangzhou, China
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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: 13.0] [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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6
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Ge G, Wang T, Liu Z, Liu X, Li T, Chen Y, Fan J, Bukye E, Huang X, Song L. A self-assembled DNA double-crossover-based fluorescent aptasensor for highly sensitivity and selectivity in the simultaneous detection of aflatoxin M 1 and aflatoxin B 1. Talanta 2023; 265:124908. [PMID: 37442003 DOI: 10.1016/j.talanta.2023.124908] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/28/2023] [Accepted: 07/01/2023] [Indexed: 07/15/2023]
Abstract
Realizing the simultaneous speedy detection of multiple mycotoxins in contaminated food and feed is of great practical importance in the domain of food manufacturing and security. Herein, a fluorescent aptamer sensor based on self-assembled DNA double-crossover was developed and used for effective simultaneous quantitative detection of aflatoxins M1 and B1 by fluorescence resonance energy transfer (FRET). Fluorescent dye-modified aflatoxin M1 and B1 aptamers are selected as recognition elements and signal probes, and DNA double crosses are consistently locked by the aflatoxin aptamers, which results in a "turn-off" of the fluorescent signal. In the presence of AFM1 and AFB1, the aptamer sequences are more inclined to form Apt-AFM1 and Apt-AFB1 complexes, and the fluorescent probes are released from the DNA double-crossing platform, leading to an enhanced fluorescent signal (Cy3: 568 nm; Cy5: 660 nm). Under the optimal conditions, the signal response of the constructed fluorescent aptamer sensor showed good linearity with the logarithm of AFM1 and AFB1 concentrations, with detection limits of 6.24 pg/mL and 9.0 pg/mL, and a wide linear range of 0.01-200 ng/mL and 0.01-150 ng/mL, respectively. In addition, the effect of potential interfering substances in real samples was analyzed, and the aptasensor presented a good interference immunity. Moreover, by modifying and designing aptamer probes, the sensor can be applied to high-throughput simultaneous screening of other analytes, providing a new approach for the development of fluorescent aptamer sensors.
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Affiliation(s)
- Guo Ge
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Tianlin Wang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Zihou Liu
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; International Education College, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Xiaomeng Liu
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Tiange Li
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Yuntang Chen
- Institute of Isotope Research, Henan Academy of Sciences, Zhengzhou, 450002, Henan, China
| | - Jialin Fan
- Institute of Isotope Research, Henan Academy of Sciences, Zhengzhou, 450002, Henan, China
| | - Erkigul Bukye
- Department for Food Engineering and Hydromechanics, School of Engineering and Technology, Mongolian State University of Life Sciences, Zaisan-53, Ulaanbaatar, 17024, Mongolia
| | - Xianqing Huang
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China
| | - Lianjun Song
- Henan Engineering Technology Research Center of Food Processing and Circulation Safety Control, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China; Henan Technology Innovation Center of Meat Processing and Research, College of Food Science and Technology, Henan Agricultural University, Zhengzhou, 450002, Henan, China.
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7
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Zhang T, Xu S, Lin X, Liu J, Wang K. Label-Free Electrochemical Aptasensor Based on the Vertically-Aligned Mesoporous Silica Films for Determination of Aflatoxin B1. BIOSENSORS 2023; 13:661. [PMID: 37367026 DOI: 10.3390/bios13060661] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Revised: 06/04/2023] [Accepted: 06/12/2023] [Indexed: 06/28/2023]
Abstract
Herein we report a highly specific electrochemical aptasenseor for AFB1 determination based on AFB1-controlled diffusion of redox probe (Ru(NH3)63+) through nanochannels of AFB1-specific aptamer functionalized VMSF. A high density of silanol groups on the inner surface confers VMSF with cationic permselectivity, enabling electrostatic preconcentration of Ru(NH3)63+ and producing amplified electrochemical signals. Upon the addition of AFB1, the specific interaction between the aptamer and AFB1 occurs and generates steric hindrance effect on the access of Ru(NH3)63+, finally resulting in the reduced electrochemical responses and allowing the quantitative determination of AFB1. The proposed electrochemical aptasensor shows excellent detection performance in the range of 3 pg/mL to 3 μg/mL with a low detection limit of 2.3 pg/mL for AFB1 detection. Practical analysis of AFB1 in peanut and corn samples is also accomplished with satisfactory results by our fabricated electrochemical aptasensor.
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Affiliation(s)
- Tongtong Zhang
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
| | - Shuai Xu
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Xingyu Lin
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China
| | - Jiyang Liu
- Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
| | - Kai Wang
- Key Laboratory of Integrated Oncology and Intelligent Medicine of Zhejiang Province, Department of Hepatobiliary and Pancreatic Surgery, Affiliated Hangzhou First People's Hospital, Zhejiang University School of Medicine, Hangzhou 310006, China
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Jia Y, Zhao S, Li D, Yang J, Yang L. Portable chemiluminescence optical fiber aptamer-based biosensors for analysis of multiple mycotoxins. Food Control 2023. [DOI: 10.1016/j.foodcont.2022.109361] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Zhang H, Ye S, Huang L, Fan S, Mao W, Hu Y, Yu Y, Fu F. An electrochemical biosensor for the detection of aflatoxin B1 based on the specific aptamer and HCR biological magnification. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2022; 15:99-108. [PMID: 36484245 DOI: 10.1039/d2ay01682f] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Aflatoxin B1 (AFB1) is a highly toxic mycotoxin, which causes severe acute or cumulative poisoning. Therefore, it is important to develop sensitive and selective detection methods for AFB1 for the safety of food and medicinal herbs. Herein, we have developed a "signal-on" electrochemical aptasensor based on the high specificity of the aptamer and hybridization chain reaction (HCR) biological amplification for AFB1 detection. In this work, thiol-modified complementary DNA (cDNA) immobilized on the surface of a gold electrode (GE) served as an initiator DNA. When AFB1 was present, it competed with the cDNA for binding to the aptamers, which resulted in the detaching of aptamers from the cDNA-aptamer duplexes. Then, the single-stranded cDNA acted as an initiator to trigger the HCR signal amplification. Therefore, long double-stranded DNA (dsDNA) products were produced, which could load large amounts of methylene blue (MB) molecules to generate a distinct electrochemical signal. Under the optimized conditions, the proposed electrochemical aptasensor achieved the ultrasensitive detection of AFB1 with a linear detection range of 0.01-100 pg mL-1, and a limit of detection (LOD) down to 2.84 fg mL-1. Furthermore, the electrochemical aptasensor was successfully applied for detecting AFB1 in corn and two kinds of traditional Chinese medicine samples, indicating the potential value for AFB1 detection in practical samples.
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Affiliation(s)
- Hongyan Zhang
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Siying Ye
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Lishan Huang
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Shen Fan
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Weiwei Mao
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Yijin Hu
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Yuyan Yu
- Joint National Local Engineering Research Center of Fujian and Taiwan Chinese Medicine Molecular Biotechnology, College of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou, Fujian 350122, China.
| | - Fengfu Fu
- Key Lab of Analysis and Detection for Food Safety of Ministry of Education, Fujian Provincial Key Lab of Analysis and Detection for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China.
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Electrochemistry Applied to Mycotoxin Determination in Food and Beverages. FOOD ANAL METHOD 2022. [DOI: 10.1007/s12161-022-02434-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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11
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Mondal R, Dam P, Chakraborty J, Paret ML, Katı A, Altuntas S, Sarkar R, Ghorai S, Gangopadhyay D, Mandal AK, Husen A. Potential of nanobiosensor in sustainable agriculture: the state-of-art. Heliyon 2022; 8:e12207. [PMID: 36578430 PMCID: PMC9791828 DOI: 10.1016/j.heliyon.2022.e12207] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 08/28/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022] Open
Abstract
A rapid surge in world population leads to an increase in worldwide demand for agricultural products. Nanotechnology and its applications in agriculture have appeared as a boon to civilization with enormous potential in transforming conventional farming practices into redefined farming activities. Low-cost portable nanobiosensors are the most effective diagnostic tool for the rapid on-site assessment of plant and soil health including plant biotic and abiotic stress level, nutritional status, presence of hazardous chemicals in soil, etc. to maintain proper farming and crop productivity. Nanobiosensors detect physiological signals and convert them into standardized detectable signals. In order to achieve a reliable sensing analysis, nanoparticles can aid in signal amplification and sensor sensitivity by lowering the detection limit. The high selectivity and sensitivity of nanobiosensors enable early detection and management of targeted abnormalities. This study identifies the types of nanobiosensors according to the target application in agriculture sector.
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Affiliation(s)
- Rittick Mondal
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University, North Dinajpur, West Bengal 733134, India
| | - Paulami Dam
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University, North Dinajpur, West Bengal 733134, India
| | - Joydeep Chakraborty
- Department of Microbiology, Raiganj University, North Dinajpur, West Bengal 733134, India
| | - Mathew L. Paret
- North Florida Research and Education Center, Institute of Food and Agricultural Sciences, University of Florida, Quincy, FL 32351, USA
- Plant Pathology Department, Institute of Food and Agricultural Sciences, University of Florida, Gainesville, FL 32611, USA
| | - Ahmet Katı
- Department of Biotechnology, University of Health Sciences Turkey, 34668, Istanbul, Turkey
- Experimental Medicine Research and Application Center, University of Health Sciences Turkey, 34668, Istanbul, Turkey
| | - Sevde Altuntas
- Experimental Medicine Research and Application Center, University of Health Sciences Turkey, 34668, Istanbul, Turkey
- Department of Tissue Engineering, University of Health Sciences Turkey, 34668, Istanbul, Turkey
| | - Ranit Sarkar
- Department of Microbiology, Orissa University of Agriculture & Technology, Bhubaneswar, Odisha 751003, India
| | - Suvankar Ghorai
- Department of Microbiology, Raiganj University, North Dinajpur, West Bengal 733134, India
| | - Debnirmalya Gangopadhyay
- Silkworm Genetics and Breeding Laboratory, Department of Sericulture, Raiganj University, North Dinajpur, West Bengal 733134, India
| | - Amit Kumar Mandal
- Chemical Biology Laboratory, Department of Sericulture, Raiganj University, North Dinajpur, West Bengal 733134, India
| | - Azamal Husen
- Wolaita Sodo University, PO Box 138, Wolaita, Ethiopia
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12
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Typical application of electrostatic layer-by-layer self-assembly technology in food safety assurance. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.09.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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13
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Zhang Y, Lin T, Shen Y, Li H. A High-Performance Self-Supporting Electrochemical Biosensor to Detect Aflatoxin B1. BIOSENSORS 2022; 12:bios12100897. [PMID: 36291034 PMCID: PMC9599888 DOI: 10.3390/bios12100897] [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: 09/08/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 05/11/2023]
Abstract
High-performance electrochemical biosensors for the rapid detection of aflatoxin B1 (AFB1) are urgently required in the food industry. Herein, a multi-scaled electrochemical biosensor was fabricated by assembling carboxylated polystyrene nanospheres, an aptamer and horseradish peroxidase into a free-standing carbon nanofiber/carbon felt support. The resulting electrochemical biosensor possessed an exceptional performance, owing to the unique structures as well as the synergistic effects of the components. The 3D porous carbon nanofiber/carbon felt support served as an ideal substrate, owing to the excellent conductivity and facile diffusion of the reactants. The integration of carboxylated polystyrene nanospheres with horseradish peroxidase was employed as a signal amplification probe to enhance the electrochemical responses via catalyzing the decomposition of hydrogen peroxide. With the aid of the aptamer, the prepared sensors could quantitatively detect AFB1 in wine and soy sauce samples via differential pulse voltammetry. The recovery rates of AFB1 in the samples were between 87.53% and 106.71%. The limit of detection of the biosensors was 0.016 pg mL-1. The electrochemical biosensors also had excellent sensitivity, reproducibility, specificity and stability. The synthetic strategy reported in this work could pave a new route to fabricate high-performance electrochemical biosensors for the detection of mycotoxins.
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Affiliation(s)
- Yunfei Zhang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Tingting Lin
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
| | - Yi Shen
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China
- Overseas Expertise Introduction Center for Discipline Innovation of Food Nutrition and Human Health (111 Center), Guangzhou 510640, China
- Sino-Singapore International Joint Research Institute, Guangzhou Knowledge City, Guangzhou 510663, China
- Correspondence:
| | - Hongying Li
- Institute of High-Performance Computing, Agency for Science, Technology and Research, Singapore 138632, Singapore
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Yin S, Niu L, Liu Y. Recent Progress on Techniques in the Detection of Aflatoxin B 1 in Edible Oil: A Mini Review. Molecules 2022; 27:6141. [PMID: 36234684 PMCID: PMC9573432 DOI: 10.3390/molecules27196141] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/12/2022] [Accepted: 09/15/2022] [Indexed: 11/16/2022] Open
Abstract
Contamination of agricultural products and foods by aflatoxin B1 (AFB1) is becoming a serious global problem, and the presence of AFB1 in edible oil is frequent and has become inevitable, especially in underdeveloped countries and regions. As AFB1 results from a possible degradation of aflatoxins and the interaction of the resulting toxic compound with food components, it could cause chronic disease or severe cancers, increasing morbidity and mortality. Therefore, rapid and reliable detection methods are essential for checking AFB1 occurrence in foodstuffs to ensure food safety. Recently, new biosensor technologies have become a research hotspot due to their characteristics of speed and accuracy. This review describes various technologies such as chromatographic and spectroscopic techniques, ELISA techniques, and biosensing techniques, along with their advantages and weaknesses, for AFB1 control in edible oil and provides new insight into AFB1 detection for future work. Although compared with other technologies, biosensor technology involves the cross integration of multiple technologies, such as spectral technology and new nano materials, and has great potential, some challenges regarding their stability, cost, etc., need further studies.
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Affiliation(s)
- Shipeng Yin
- School of Food Science and Technology, Jiangnan University, No. 1800 Lihu Road, Binhu District, Wuxi 214122, China
| | - Liqiong Niu
- School of Life Sciences, Guangzhou University, Guangzhou 510006, China
| | - Yuanfa Liu
- School of Food Science and Technology, Jiangnan University, No. 1800 Lihu Road, Binhu District, Wuxi 214122, China
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Qi X, Tao S. MWCNT modified Ni-Fe LDH/BiVO 4 heterojunction: boosted visible-light-driven photoelectrochemical aptasensor for ofloxacin detection. RSC Adv 2022; 12:24269-24277. [PMID: 36128518 PMCID: PMC9412155 DOI: 10.1039/d2ra03981h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 08/12/2022] [Indexed: 11/21/2022] Open
Abstract
Sensitivity and selectivity, which can be identified by the photosensitivity of materials and the identification of elements, are two important factors for a photoelectrochemical aptasensor (PEC aptasensor). Herein, a patent PEC aptasensor for specifically detecting ofloxacin (OFL) was exploited, and a visible-light-active MWCNT/LDH/BiVO4 heterostructure was introduced as a photoactive material and identification elements, respectively. The combination of LDH with BiVO4 enhanced the photocurrent response, and MWCNT provided higher electron conductivity, which are advantageous for structuring PEC sensors. Furthermore, the two-pot synthesis of MWCNT/LDH/BiVO4 has the advantage of possessing an environmentally friendly character. Under optimal conditions, the photocurrent response of MWCNT/LDH/BiVO4 presents a linear trend with OFL concentration from 0.1 to 16 000 nM, and the limit of detection (S/N = 3) is as low as 0.03 nM. This new PEC sensing device afforded an ultra-sensitive sensor which has high selectivity and stability for detecting OFL.
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Affiliation(s)
- Xuejun Qi
- School of Architecture and Civil Engineering, Xihua University Chengdu 610039 PR China
| | - Shuyan Tao
- School of Architecture and Civil Engineering, Xihua University Chengdu 610039 PR China
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Pérez-Fernández B, Muñiz ADLE. Electrochemical biosensors based on nanomaterials for aflatoxins detection: A review (2015–2021). Anal Chim Acta 2022; 1212:339658. [DOI: 10.1016/j.aca.2022.339658] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 02/09/2022] [Accepted: 02/24/2022] [Indexed: 12/25/2022]
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Development of an electrochemical aptasensor based on Au nanoparticles decorated on metal-organic framework nanosheets and p-biphenol electroactive label for the measurement of aflatoxin B1 in a rice flour sample. Anal Bioanal Chem 2022; 414:1973-1985. [PMID: 35028689 DOI: 10.1007/s00216-021-03833-3] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2021] [Revised: 11/22/2021] [Accepted: 12/03/2021] [Indexed: 11/01/2022]
Abstract
This study purposes designing a new aptasensor to detect aflatoxin B1 (AFB1). The AFB1 aptasensor was developed by growing gold nanoparticles on the surface of nickel-based metal-organic framework nanosheets (AuNPs/Ni-MOF) and an electroactive indicator (p-biphenol, PBP). The AFB1 aptamer was immobilized on the AuNPs/Ni-MOF and then hybridized with the complementary DNA (cDNA). PBP was intercalated within the double helix of the cDNA-aptamer. The difference between electrochemical responses of intercalated PBP before and after incubation of AFB1 with the immobilized aptamer was considered as an analytical response. Electrochemical impedance spectroscopy (EIS) and cyclic voltammetry (CV) were used to monitor the construction processes of the aptasensor. By recording the differential pulse voltammograms of PBP in phosphate buffer (pH 7.0, 0.1 M), the linear range and the detection limit of AFB1 were found to be 5.0 × 10-3-150.0 ng mL-1 and 1.0 × 10-3 ng mL-1 (S/N = 3), respectively. Finally, the designed aptasensor has been successfully used to measure AFB1 in a rice flour sample with satisfying results. Schematic illustrated the different steps of constructing the electrochemical aptasensor based on Au nanoparticles decorated on Ni-metal-organic framework nanosheets and p-biphenol electroactive label for measuring aflatoxin B1 (AFB1).
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Li YL, Xie FT, Yao C, Zhang GQ, Guan Y, Yang YH, Yang JM, Hu R. A DNA tetrahedral nanomaterial-based dual-signal ratiometric electrochemical aptasensor for the detection of ochratoxin A in corn kernel samples. Analyst 2022; 147:4578-4586. [DOI: 10.1039/d2an00934j] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Ochratoxin A (OTA) is a highly toxic food contaminant and is harmful to human beings.
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Affiliation(s)
- Yu-Long Li
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Fa-Ting Xie
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Cao Yao
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Gui-Qun Zhang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Yan Guan
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Yun-Hui Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Jian-Mei Yang
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
| | - Rong Hu
- College of Chemistry and Chemical Engineering, Yunnan Normal University, Kunming, 650500, P. R. China
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Hou Y, Jia B, Sheng P, Liao X, Shi L, Fang L, Zhou L, Kong W. Aptasensors for mycotoxins in foods: Recent advances and future trends. Compr Rev Food Sci Food Saf 2021; 21:2032-2073. [PMID: 34729895 DOI: 10.1111/1541-4337.12858] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 08/19/2021] [Accepted: 09/16/2021] [Indexed: 02/06/2023]
Abstract
Mycotoxin contamination in foods has posed serious threat to public health and raised worldwide concern. The development of simple, rapid, facile, and cost-effective methods for mycotoxin detection is of urgent need. Aptamer-based sensors, abbreviated as aptasensors, with excellent recognition capacity to a wide variety of mycotoxins have attracted ever-increasing interest of researchers because of their simple fabrication, rapid response, high sensitivity, low cost, and easy adaptability for in situ measurement. The past few decades have witnessed the rapid advances of aptasensors for mycotoxin detection in foods. Therefore, this review first summarizes the reported aptamer sequences specific for mycotoxins. Then, the recent 5-year advancements in various newly developed aptasensors, which, according to the signal output mode, are divided into electrochemical, optical and photoelectrochemical categories, for mycotoxin detection are comprehensively discussed. A special attention is taken on their strengths and limitations in real-world application. Finally, the current challenges and future perspectives for developing novel highly reliable aptasensors for mycotoxin detection are highlighted, which is expected to provide powerful references for their thorough research and extended applications. Owing to their unique advantages, aptasensors display a fascinating prospect in food field for safety inspection and risk assessment.
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Affiliation(s)
- Yujiao Hou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China.,College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, China.,Xinjiang Agricultural Vocational Technical College, Changji, China
| | - Boyu Jia
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ping Sheng
- College of Traditional Chinese Medicine, Xinjiang Medical University, Urumqi, China
| | - Xiaofang Liao
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Linchun Shi
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Ling Fang
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Lidong Zhou
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
| | - Weijun Kong
- Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
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Liu K, Zhang C, Xu J, Liu Q. Research advance in gas detection of volatile organic compounds released in rice quality deterioration process. Compr Rev Food Sci Food Saf 2021; 20:5802-5828. [PMID: 34668316 DOI: 10.1111/1541-4337.12846] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 08/04/2021] [Accepted: 08/24/2021] [Indexed: 11/30/2022]
Abstract
Rice quality deterioration will cause grievous waste of stored grain and various food safety problems. Gas detection of volatile organic compounds (VOCs) produced by deterioration is a nondestructive detection method to judge rice quality and alleviate rice spoilage. This review discussed the research advance of VOCs detection in terms of nondestructive detection methods of rice quality deterioration, applications of VOCs in grain detection, inspection of characteristic gas produced during rice spoilage, rice deterioration prevention and control, and detection of VOCs released by rice mildew and insect attack. According to the main causes of rice quality deterioration and major sources of VOCs with off-odor generated during rice storage, deterioration can be divided into mold and insect infection. The results of literature manifested that researches mainly focused on the infection of Aspergillus in the mildew process and the attack of certain pests in recent years, thus the research scope was limited. In this paper, the gas detection methods combined with the chemometrics to qualitatively analyze the VOCs, as well as the correlation with the number of colonies and insects were further studied based on the common dominant strains during rice mildew, that is, Aspergillus and Penicillium fungi, and the common pests during storage, that is, Sitophilus oryzae and Rhyzopertha dominica. Furthermore, this paper pointed out that the quantitative determination of characteristic VOCs, the numeration relationship between VOCs and the degree of mildew and insect infestation, the further expansion of detection range, and the application of degraded rice should be the spotlight of future research.
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Affiliation(s)
- Kewei Liu
- College of Mechanical Engineering, Yangzhou University, Yangzhou, People's Republic of China
| | - Chao Zhang
- College of Mechanical Engineering, Yangzhou University, Yangzhou, People's Republic of China
| | - Jinyong Xu
- College of Mechanical Engineering, Yangzhou University, Yangzhou, People's Republic of China
| | - Qiaoquan Liu
- Key Laboratories of Crop Genetics and Physiology of Jiangsu Province, Co-Innovation Center for Modern Production Technology of Grain Crops of Jiangsu, Yangzhou University, Yangzhou, People's Republic of China
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21
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22
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Recent Achievements in Electrochemical and Surface Plasmon Resonance Aptasensors for Mycotoxins Detection. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9070180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mycotoxins are secondary metabolites of fungi that contaminate agriculture products. Their release in the environment can cause severe damage to human health. Aptasensors are compact analytical devices that are intended for the fast and reliable detection of various species able to specifically interact with aptamers attached to the transducer surface. In this review, assembly of electrochemical and surface plasmon resonance (SPR) aptasensors are considered with emphasis on the mechanism of signal generation. Moreover, the properties of mycotoxins and the aptamers selected for their recognition are briefly considered. The analytical performance of biosensors developed within last three years makes it possible to determine mycotoxin residues in water and agriculture/food products on the levels below their maximal admissible concentrations. Requirements for the development of sample treatment and future trends in aptasensors are also discussed.
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Recent Advances in Conventional Methods and Electrochemical Aptasensors for Mycotoxin Detection. Foods 2021; 10:foods10071437. [PMID: 34206168 PMCID: PMC8307942 DOI: 10.3390/foods10071437] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 06/12/2021] [Accepted: 06/15/2021] [Indexed: 02/07/2023] Open
Abstract
The presence of mycotoxins in foodstuffs and feedstuffs is a serious concern for human health. The detection of mycotoxins is therefore necessary as a preventive action to avoid the harmful contamination of foodstuffs and animal feed. In comparison with the considerable expense of treating contaminated foodstuffs, early detection is a cost-effective way to ensure food safety. The high affinity of bio-recognition molecules to mycotoxins has led to the development of affinity columns for sample pre-treatment and the development of biosensors for the quantitative analysis of mycotoxins. Aptamers are a very attractive class of biological receptors that are currently in great demand for the development of new biosensors. In this review, the improvement in the materials and methodology, and the working principles and performance of both conventional and recently developed methods are discussed. The key features and applications of the fundamental recognition elements, such as antibodies and aptamers are addressed. Recent advances in aptasensors that are based on different electrochemical (EC) transducers are reviewed in detail, especially from the perspective of the diagnostic mechanism; in addition, a brief introduction of some commercially available mycotoxin detection kits is provided.
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Curulli A. Electrochemical Biosensors in Food Safety: Challenges and Perspectives. Molecules 2021; 26:2940. [PMID: 34063344 PMCID: PMC8156954 DOI: 10.3390/molecules26102940] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/29/2021] [Accepted: 05/12/2021] [Indexed: 02/07/2023] Open
Abstract
Safety and quality are key issues for the food industry. Consequently, there is growing demand to preserve the food chain and products against substances toxic, harmful to human health, such as contaminants, allergens, toxins, or pathogens. For this reason, it is mandatory to develop highly sensitive, reliable, rapid, and cost-effective sensing systems/devices, such as electrochemical sensors/biosensors. Generally, conventional techniques are limited by long analyses, expensive and complex procedures, and skilled personnel. Therefore, developing performant electrochemical biosensors can significantly support the screening of food chains and products. Here, we report some of the recent developments in this area and analyze the contributions produced by electrochemical biosensors in food screening and their challenges.
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Affiliation(s)
- Antonella Curulli
- Istituto per lo Studio dei Materiali Nanostrutturati (ISMN) CNR, Via del Castro Laurenziano 7, 00161 Roma, Italy
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Khan R, Radoi A, Rashid S, Hayat A, Vasilescu A, Andreescu S. Two-Dimensional Nanostructures for Electrochemical Biosensor. SENSORS (BASEL, SWITZERLAND) 2021; 21:3369. [PMID: 34066272 PMCID: PMC8152006 DOI: 10.3390/s21103369] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Revised: 05/04/2021] [Accepted: 05/05/2021] [Indexed: 12/12/2022]
Abstract
Current advancements in the development of functional nanomaterials and precisely designed nanostructures have created new opportunities for the fabrication of practical biosensors for field analysis. Two-dimensional (2D) and three-dimensional (3D) nanomaterials provide unique hierarchical structures, high surface area, and layered configurations with multiple length scales and porosity, and the possibility to create functionalities for targeted recognition at their surface. Such hierarchical structures offer prospects to tune the characteristics of materials-e.g., the electronic properties, performance, and mechanical flexibility-and they provide additional functions such as structural color, organized morphological features, and the ability to recognize and respond to external stimuli. Combining these unique features of the different types of nanostructures and using them as support for bimolecular assemblies can provide biosensing platforms with targeted recognition and transduction properties, and increased robustness, sensitivity, and selectivity for detection of a variety of analytes that can positively impact many fields. Herein, we first provide an overview of the recently developed 2D nanostructures focusing on the characteristics that are most relevant for the design of practical biosensors. Then, we discuss the integration of these materials with bio-elements such as bacteriophages, antibodies, nucleic acids, enzymes, and proteins, and we provide examples of applications in the environmental, food, and clinical fields. We conclude with a discussion of the manufacturing challenges of these devices and opportunities for the future development and exploration of these nanomaterials to design field-deployable biosensors.
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Affiliation(s)
- Reem Khan
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699, USA;
| | - Antonio Radoi
- National Institute for Research and Development in Microtechnology—IMT Bucharest, 126A Erou Iancu Nicolae Street, 077190 Voluntari, Romania;
| | - Sidra Rashid
- IRCBM, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan; (S.R.); (A.H.)
| | - Akhtar Hayat
- IRCBM, COMSATS University Islamabad, Lahore Campus, Lahore 54000, Pakistan; (S.R.); (A.H.)
| | - Alina Vasilescu
- International Centre of Biodynamics, 1B Intrarea Portocalelor, 060101 Bucharest, Romania;
| | - Silvana Andreescu
- Department of Chemistry and Biomolecular Science, Clarkson University, Potsdam, NY 13699, USA;
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Abstract
Carbon nanomaterials offer unique opportunities for the assembling of electrochemical aptasensors due to their high electroconductivity, redox activity, compatibility with biochemical receptors and broad possibilities of functionalization and combination with other auxiliary reagents. In this review, the progress in the development of electrochemical aptasensors based on carbon nanomaterials in 2016–2020 is considered with particular emphasis on the role of carbon materials in aptamer immobilization and signal generation. The synthesis and properties of carbon nanotubes, graphene materials, carbon nitride, carbon black particles and fullerene are described and their implementation in the electrochemical biosensors are summarized. Examples of electrochemical aptasensors are classified in accordance with the content of the surface layer and signal measurement mode. In conclusion, the drawbacks and future prospects of carbon nanomaterials’ application in electrochemical aptasensors are briefly discussed.
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