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Akhavan-Mahdavi S, Mirbagheri MS, Assadpour E, Sani MA, Zhang F, Jafari SM. Electrospun nanofiber-based sensors for the detection of chemical and biological contaminants/hazards in the food industries. Adv Colloid Interface Sci 2024; 325:103111. [PMID: 38367336 DOI: 10.1016/j.cis.2024.103111] [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: 10/12/2023] [Revised: 01/10/2024] [Accepted: 02/13/2024] [Indexed: 02/19/2024]
Abstract
Food contamination reveals a major health risk globally and presents a significant challenge for the food industry. It can stem from biological contaminants like pathogens, parasites, and viruses, or chemical contaminants such as heavy metals, pesticides, drugs, and hormones. There is also the possibility of naturally occurring hazardous chemicals. Consequently, the development of sensing platforms has become crucial to accurately and rapidly identify contaminants and hazards in food products. Electrospun nanofibers (NFs) offer a promising solution due to their unique three-dimensional architecture, large specific surface area, and ease of preparation. Moreover, NFs exhibit excellent biocompatibility, degradability, and adaptability, making monitoring more convenient and environmentally friendly. These characteristics also significantly reduce the detection process of contaminants. NF-based sensors have the ability to detect a wide range of biological, chemicals, and physical hazards. Recent research on NFs-based sensors for the detection of various food contaminants/hazards, such as pathogens, pesticide/drugs residues, toxins, allergens, and heavy metals, is presented in this review.
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Affiliation(s)
- Sahar Akhavan-Mahdavi
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran
| | - Mahnaz Sadat Mirbagheri
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran
| | - Elham Assadpour
- Food Industry Research Co., Gorgan, Iran; Food and Bio-Nanotech International Research Center (Fabiano), Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Mahmood Alizadeh Sani
- Department of Food Science and Technology, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Fuyuan Zhang
- College of Food Science and Technology, Hebei Agricultural University, Baoding 071001, China.
| | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Science and Natural Resources, Gorgan, Iran; Halal Research Center of IRI, Iran Food and Drug Administration, Ministry of Health and Medical Education, Tehran, Iran.
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Wu D, Karimi-Maleh H, Liu X, Fu L. Bibliometrics Analysis of Research Progress of Electrochemical Detection of Tetracycline Antibiotics. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2023; 2023:6443610. [PMID: 36852208 PMCID: PMC9966827 DOI: 10.1155/2023/6443610] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Revised: 09/27/2022] [Accepted: 10/07/2022] [Indexed: 06/18/2023]
Abstract
Tetracycline is a broad-spectrum class of antibiotics. The use of excessive doses of tetracycline antibiotics can result in their residues in food, posing varying degrees of risk to human health. Therefore, the establishment of a rapid and sensitive field detection method for tetracycline residues is of great practical importance to improve the safety of food-derived animal foods. Electrochemical analysis techniques are widely used in the field of pollutant detection because of the simple detection principle, easy operation of the instrument, and low cost of analysis. In this review, we summarize the electrochemical detection of tetracycline antibiotics by bibliometrics. Unlike the previously published reviews, this article reviews and analyzes the development of this topic. The contributions of different countries and different institutions were analyzed. Keyword analysis was used to explain the development of different research directions. The results of the analysis revealed that developments and innovations in materials science can enhance the performance of electrochemical detection of tetracycline antibiotics. Among them, gold nanoparticles and carbon nanotubes are the most used nanomaterials. Aptamer sensing strategies are the most favored methodologies in electrochemical detection of tetracycline antibiotics.
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Affiliation(s)
- Dihua Wu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
| | - Hassan Karimi-Maleh
- School of Resources and Environment, University of Electronic Science and Technology of China, P.O. Box 611731, Xiyuan Ave, Chengdu 610056, China
- Department of Chemical Engineering and Energy, Laboratory of Nanotechnology, Quchan University of Technology, Quchan 94771-67335, Iran
- Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, P.O. Box 17011, Johannesburg 2028, South Africa
| | - Xiaozhu Liu
- Department of Cardiology, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China
| | - Li Fu
- College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
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3
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Lv Z, Zhang M, Jin H, Wei M. An Ultrasensitive DNA Sensor for Hg
2+
Assay Based on Electrodeposited Au/Carbon Nanofibers‐chitosan and Reduced Graphene Oxide. ELECTROANAL 2022. [DOI: 10.1002/elan.202200152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zeping Lv
- College of Food Science and Technology Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control Henan University of Technology Zhengzhou 450001 PR China
| | - Mingli Zhang
- College of Food Science and Technology Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control Henan University of Technology Zhengzhou 450001 PR China
| | - Huali Jin
- College of Food Science and Technology Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control Henan University of Technology Zhengzhou 450001 PR China
| | - Min Wei
- College of Food Science and Technology Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control Henan University of Technology Zhengzhou 450001 PR China
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4
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Tetracycline Antibiotics: Elucidating the Electrochemical Fingerprint and Oxidation Pathway. CHEMOSENSORS 2021. [DOI: 10.3390/chemosensors9070187] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Herein, a complete study of the electrochemical behavior of the most commonly used tetracycline antibiotics (TCs) on unmodified carbon screen-printed electrodes (SPEs) is presented. In addition, the oxidation pathway of TCs on SPE is elucidated, for the first time, with liquid chromatography-quadrupole time-of-flight mass spectrometry (LC-QTOF-MS). Square wave voltammetry (SWV) was used to study the electrochemical fingerprint (EF) of the antibiotics shaping the different oxidation processes of the TCs in a pH range from 2 to 12. Their characteristic structure and subsequent EF offer the possibility of distinguishing this class of antibiotics from other types. Under the optimized parameters, calibration curves of tetracycline (TET), doxycycline (DOXY), oxytetracycline (OXY), and chlortetracycline (CHL) in a Britton Robinson buffer solution (pH 9) exhibited a linear range between 5 and 100 µM with excellent reproducibilities (RSDTET = 3.01%, RSDDOXY = 3.29%, RSDOXY = 9.78% and RSDCHL = 6.88% at 10 µM, N = 3) and limits of detection (LOD) of LODTET = 4.15 µM, LODDOXY = 2.14 µM, LODOXY = 3.07 µM and LODCHL = 4.15 µM. Furthermore, binary, tertiary, and complex mixtures of all TCs were analyzed with SWV to investigate the corresponding EF. A dual pH screening (pH 4 and pH 9), together with the use of a custom-made Matlab script for data treatment, allowed for the successful confirmation of a single presence of TCs in the unknown samples. Overall, this work presents a straightforward study of the electrochemical behavior of TCs in SPE, allowing for the future on-site identification of residues of tetracycline antibiotics in real samples.
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Wang S, Yan X, Yang Y, Qi X, Zhao Y, Li L, Ma R, Wang L, Dong Y, Sun J, Mao X. Advances and perspectives of aptasensors for the detection of tetracyclines: A class of model compounds of food analysis. Food Chem 2021; 364:130361. [PMID: 34153597 DOI: 10.1016/j.foodchem.2021.130361] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 10/21/2022]
Abstract
The residual tetracyclines in food are frequently applied as the model compounds to develop aptasensors. Until now, more than 100 advanced aptasensors towards tetracyclines have been developed and published in English. This review summarizes and discusses comprehensively these advanced aptasensors, in terms of the principle designs, applied frontier transducers/materials, working performance, and advantages/disadvantages. The aptasensors are classified according to the inherent transduction techniques, i.e., optics, optics-electricity, optics-mass, and electricity-mass. Moreover, the present challenges such as the limited specificity and limited affinity of the aptamers, the future prospects and trends such as further combination with other advanced materials and technologies, and the urgent need of expanding the practical application were discussed and prospected. We hope this review can serve as a powerful tool for both tracing the development progresses of aptasensors and providing adequate references for further development of aptasensing methods for food-related analytes.
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Affiliation(s)
- Sai Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Xiaochen Yan
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Yan Yang
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiaoyan Qi
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Yinglin Zhao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Ling Li
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Rui Ma
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Lele Wang
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China
| | - Yiyang Dong
- College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Jianan Sun
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China.
| | - Xiangzhao Mao
- College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong Province 266003, China; Laboratory for Marine Drugs and Bioproducts of Qingdao National Laboratory for Marine Science and Technology, Qingdao, Shandong Province 266237, China
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Spring SA, Goggins S, Frost CG. Ratiometric Electrochemistry: Improving the Robustness, Reproducibility and Reliability of Biosensors. Molecules 2021; 26:2130. [PMID: 33917231 PMCID: PMC8068091 DOI: 10.3390/molecules26082130] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Revised: 04/01/2021] [Accepted: 04/02/2021] [Indexed: 12/21/2022] Open
Abstract
Electrochemical biosensors are an increasingly attractive option for the development of a novel analyte detection method, especially when integration within a point-of-use device is the overall objective. In this context, accuracy and sensitivity are not compromised when working with opaque samples as the electrical readout signal can be directly read by a device without the need for any signal transduction. However, electrochemical detection can be susceptible to substantial signal drift and increased signal error. This is most apparent when analysing complex mixtures and when using small, single-use, screen-printed electrodes. Over recent years, analytical scientists have taken inspiration from self-referencing ratiometric fluorescence methods to counteract these problems and have begun to develop ratiometric electrochemical protocols to improve sensor accuracy and reliability. This review will provide coverage of key developments in ratiometric electrochemical (bio)sensors, highlighting innovative assay design, and the experiments performed that challenge assay robustness and reliability.
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Affiliation(s)
- Sam A. Spring
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK;
| | - Sean Goggins
- Bio-Techne (Tocris), The Watkins Building, Atlantic Road, Avonmouth, Bristol BS11 9QD, UK;
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The Application of Nanomaterials for the Electrochemical Detection of Antibiotics: A Review. MICROMACHINES 2021; 12:mi12030308. [PMID: 33804280 PMCID: PMC8000799 DOI: 10.3390/mi12030308] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 03/09/2021] [Accepted: 03/12/2021] [Indexed: 12/17/2022]
Abstract
Antibiotics can accumulate through food metabolism in the human body which may have a significant effect on human safety and health. It is therefore highly beneficial to establish easy and sensitive approaches for rapid assessment of antibiotic amounts. In the development of next-generation biosensors, nanomaterials (NMs) with outstanding thermal, mechanical, optical, and electrical properties have been identified as one of the most hopeful materials for opening new gates. This study discusses the latest developments in the identification of antibiotics by nanomaterial-constructed biosensors. The construction of biosensors for electrochemical signal-transducing mechanisms has been utilized in various types of nanomaterials, including quantum dots (QDs), metal-organic frameworks (MOFs), magnetic nanoparticles (NPs), metal nanomaterials, and carbon nanomaterials. To provide an outline for future study directions, the existing problems and future opportunities in this area are also included. The current review, therefore, summarizes an in-depth assessment of the nanostructured electrochemical sensing method for residues of antibiotics in different systems.
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8
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Using Aptamers as a Novel Method for Determining GnRH/LH Pulsatility. Int J Mol Sci 2020; 21:ijms21197394. [PMID: 33036411 PMCID: PMC7582658 DOI: 10.3390/ijms21197394] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 09/29/2020] [Accepted: 10/05/2020] [Indexed: 11/26/2022] Open
Abstract
Aptamers are a novel technology enabling the continuous measurement of analytes in blood and other body compartments, without the need for repeated sampling and the associated reagent costs of traditional antibody-based methodologies. Aptamers are short single-stranded synthetic RNA or DNA that recognise and bind to specific targets. The conformational changes that can occur upon aptamer–ligand binding are transformed into chemical, fluorescent, colour changes and other readouts. Aptamers have been developed to detect and measure a variety of targets in vitro and in vivo. Gonadotropin-releasing hormone (GnRH) is a pulsatile hypothalamic hormone that is essential for normal fertility but difficult to measure in the peripheral circulation. However, pulsatile GnRH release results in pulsatile luteinizing hormone (LH) release from the pituitary gland. As such, LH pulsatility is the clinical gold standard method to determine GnRH pulsatility in humans. Aptamers have recently been shown to successfully bind to and measure GnRH and LH, and this review will focus on this specific area. However, due to the adaptability of aptamers, and their suitability for incorporation into portable devices, aptamer-based technology is likely to be used more widely in the future.
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9
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Application trends of nanofibers in analytical chemistry. Trends Analyt Chem 2020. [DOI: 10.1016/j.trac.2020.115992
expr 834212330 + 887677890] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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11
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Liao L, Xing Y, Xiong X, Gan L, Hu L, Zhao F, Tong Y, Deng S. An electrochemical biosensor for hypoxanthine detection in vitreous humor: A potential tool for estimating the post-mortem interval in forensic cases. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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12
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Gao Z, Liu M, Xu K, Tang M, Lin X, Hu S, Ren X. Facile fabrication of N/S/P tri-doped carbon dots for tetracycline detection by an internal filtering effect of a two-way matching strategy. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:2551-2554. [PMID: 32930280 DOI: 10.1039/d0ay00249f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We have developed a facile ultrasound-assisted route to synthesize N/S/P co-doped carbon dots (N/S/P-CDs) in an alkaline solution at room temperature. They demonstrate brightly luminescent and thermo-tunable fluorescence properties and show ultra-high sensitivity for the detection of TC in milk via the inner filter effect (IFE) of a two-way matching strategy.
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Affiliation(s)
- Zideng Gao
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, China Agricultural University, Beijing 100193, PR China
| | - Mingyang Liu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
| | - Ke Xu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
| | - Menglei Tang
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
| | - Xiaowen Lin
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
| | - Shuwen Hu
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, China Agricultural University, Beijing 100193, PR China
| | - Xueqin Ren
- College of Resources and Environmental Sciences, China Agricultural University, Beijing 100193, PR China.
- Beijing Key Laboratory of Farmland Soil Pollution Prevention and Remediation, China Agricultural University, Beijing 100193, PR China
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13
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Khanmohammadi A, Jalili Ghazizadeh A, Hashemi P, Afkhami A, Arduini F, Bagheri H. An overview to electrochemical biosensors and sensors for the detection of environmental contaminants. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2020. [DOI: 10.1007/s13738-020-01940-z] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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14
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Kondzior M, Grabowska I. Antibody-Electroactive Probe Conjugates Based Electrochemical Immunosensors. SENSORS (BASEL, SWITZERLAND) 2020; 20:E2014. [PMID: 32260217 PMCID: PMC7180895 DOI: 10.3390/s20072014] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/31/2020] [Accepted: 04/01/2020] [Indexed: 12/12/2022]
Abstract
Suitable immobilization of a biorecognition element, such as an antigen or antibody, on a transducer surface is essential for development of sensitive and analytically reliable immunosensors. In this review, we report on (1) methods of antibody prefunctionalization using electroactive probes, (2) methods for immobilization of such conjugates on the surfaces of electrodes in electrochemical immunosensor construction and (3) the use of antibody-electroactive probe conjugates as bioreceptors and sensor signal generators. We focus on different strategies of antibody functionalization using the redox active probes ferrocene (Fc), anthraquinone (AQ), thionine (Thi), cobalt(III) bipyridine (Co(bpy)33+), Ru(bpy)32+ and horseradish peroxidase (HRP). In addition, new possibilities for antibody functionalization based on bioconjugation techniques are presented. We discuss strategies of specific, quantitative antigen detection based on (i) a sandwich format and (ii) a direct signal generation scheme. Further, the integration of different nanomaterials in the construction of these immunosensors is presented. Lastly, we report the use of a redox probe strategy in multiplexed analyte detection.
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Affiliation(s)
| | - Iwona Grabowska
- Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, Tuwima 10, 10-748 Olsztyn, Poland;
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15
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Joshi A, Kim KH. Recent advances in nanomaterial-based electrochemical detection of antibiotics: Challenges and future perspectives. Biosens Bioelectron 2020; 153:112046. [DOI: 10.1016/j.bios.2020.112046] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2019] [Revised: 12/20/2019] [Accepted: 01/20/2020] [Indexed: 12/16/2022]
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16
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An X, Shi X, Zhang H, Yao Y, Wang G, Yang Q, Xia L, Sun X. An electrochemical immunosensor based on a combined amplification strategy with the GO–CS/CeO2–CS nanocomposite for the detection of aflatoxin M1. NEW J CHEM 2020. [DOI: 10.1039/c9nj04804a] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Herein, a sensitive electrochemical immunosensor modified with graphene oxide–chitosan (GO–CS) and cerium oxide–chitosan (CeO2–CS) using screen-printed electrodes (SPEs) was developed for the determination of aflatoxin M1(AFM1) in milk.
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Affiliation(s)
- Xingshuang An
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Xiaojie Shi
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Hui Zhang
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Yao Yao
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Guangxian Wang
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Qingqing Yang
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Lianming Xia
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
| | - Xia Sun
- School of Agricultural Engineering and Food Science
- Shandong University of Technology
- Zibo 255049
- China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability
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17
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Erdem A, Eksin E. Electrochemical Detection of Solution Phase Hybridization Related to Single Nucleotide Mutation by Carbon Nanofibers Enriched Electrodes. MATERIALS (BASEL, SWITZERLAND) 2019; 12:E3377. [PMID: 31623126 PMCID: PMC6829215 DOI: 10.3390/ma12203377] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2019] [Revised: 10/06/2019] [Accepted: 10/11/2019] [Indexed: 12/16/2022]
Abstract
In the present study, a sensitive and selective impedimetric detection of solution-phase nucleic acid hybridization related to Factor V Leiden (FV Leiden) mutation was performed by carbon nanofibers (CNF) modified screen printed electrodes (SPE). The microscopic and electrochemical characterization of CNF-SPEs was explored in comparison to the unmodified electrodes. Since the FV Leiden mutation is a widespread inherited risk factor predisposing to venous thromboembolism, this study herein aimed to perform the impedimetric detection of FV Leiden mutation by a zip nucleic acid (ZNA) probe-based assay in combination with CNF-SPEs. The selectivity of the assay was then examined against the mutation-free DNA sequences as well as the synthetic PCR samples.
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Affiliation(s)
- Arzum Erdem
- Faculty of Pharmacy, Analytical Chemistry Department, Ege University, Bornova, Izmir 35100, Turkey.
- Biotechnology Department, Graduate School of Natural and Applied Sciences, Ege University, Bornova, Izmir 35100, Turkey.
| | - Ece Eksin
- Faculty of Pharmacy, Analytical Chemistry Department, Ege University, Bornova, Izmir 35100, Turkey.
- Biotechnology Department, Graduate School of Natural and Applied Sciences, Ege University, Bornova, Izmir 35100, Turkey.
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Ma X, Zhang Y, Weisensee K. Conducting Polymeric Nanocomposites with a Three-Dimensional Co-flow Microfluidics Platform. MICROMACHINES 2019; 10:mi10060383. [PMID: 31181652 PMCID: PMC6630245 DOI: 10.3390/mi10060383] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2019] [Revised: 06/04/2019] [Accepted: 06/04/2019] [Indexed: 12/24/2022]
Abstract
The nanoprecipitation of polymers is of great interest in biological and medicinal applications. Many approaches are available, but few generalized methods can fabricate structurally different biocompatible polymers into nanosized particles with a narrow distribution in a high-throughput manner. We simply integrate a glass slide, capillary, and metal needle into a simple microfluidics device. Herein, a detailed protocol is provided for using the glass capillary and slides to fabricate the microfluidics devices used in this work. To demonstrate the generality of our nanoprecipitation approach and platform, four (semi)natural polymers—acetalated dextran (Ac-DEX), spermine acetalated dextran (Sp-Ac-DEX), poly(lactic-co-glycolic acid) (PLGA), and chitosan—were tested and benchmarked by the polymeric particle size and polydispersity. More importantly, the principal objective was to explore the influence of some key parameters on nanoparticle size due to its importance for a variety of applications. The polymer concentration, the solvent/non-solvent volume rate/ratio, and opening of the inner capillary were varied so as to obtain polymeric nanoparticles (NPs). Dynamic light scattering (DLS), transmission electron microscopy (TEM), and optical microscopy are the main techniques used to evaluate the nanoprecipitation output. It turns out that the concentration of polymer most strongly determines the particle size and distribution, followed by the solvent/non-solvent volume rate/ratio, whereas the opening of the inner capillary shows a minor effect. The obtained NPs were smooth spheres with adjustable particle diameters and polymer-dependent surface potentials, both negative and positive.
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Affiliation(s)
- Xiaodong Ma
- Xi'an Institute of Flexible Electronics & Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University (NPU), Xi'an 710072, China.
| | - Yuezhou Zhang
- Xi'an Institute of Flexible Electronics & Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University (NPU), Xi'an 710072, China.
- Department of Pharmaceutical Science Laboratory, Åbo Akademi University, 20520 Turku, Finland.
| | - Korbinian Weisensee
- Department of Pharmaceutical Science Laboratory, Åbo Akademi University, 20520 Turku, Finland.
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19
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Röthlisberger P, Hollenstein M. Aptamer chemistry. Adv Drug Deliv Rev 2018; 134:3-21. [PMID: 29626546 DOI: 10.1016/j.addr.2018.04.007] [Citation(s) in RCA: 215] [Impact Index Per Article: 35.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2018] [Revised: 03/28/2018] [Accepted: 04/03/2018] [Indexed: 12/12/2022]
Abstract
Aptamers are single-stranded DNA or RNA molecules capable of tightly binding to specific targets. These functional nucleic acids are obtained by an in vitro Darwinian evolution method coined SELEX (Systematic Evolution of Ligands by EXponential enrichment). Compared to their proteinaceous counterparts, aptamers offer a number of advantages including a low immunogenicity, a relative ease of large-scale synthesis at affordable costs with little or no batch-to-batch variation, physical stability, and facile chemical modification. These alluring properties have propelled aptamers into the forefront of numerous practical applications such as the development of therapeutic and diagnostic agents as well as the construction of biosensing platforms. However, commercial success of aptamers still proceeds at a weak pace. The main factors responsible for this delay are the susceptibility of aptamers to degradation by nucleases, their rapid renal filtration, suboptimal thermal stability, and the lack of functional group diversity. Here, we describe the different chemical methods available to mitigate these shortcomings. Particularly, we describe the chemical post-SELEX processing of aptamers to include functional groups as well as the inclusion of modified nucleoside triphosphates into the SELEX protocol. These methods will be illustrated with successful examples of chemically modified aptamers used as drug delivery systems, in therapeutic applications, and as biosensing devices.
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Delgado KP, Raymundo-Pereira PA, Campos AM, Oliveira ON, Janegitz BC. Ultralow Cost Electrochemical Sensor Made of Potato Starch and Carbon Black Nanoballs to Detect Tetracycline in Waters and Milk. ELECTROANAL 2018. [DOI: 10.1002/elan.201800294] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Karina P. Delgado
- Department of Natural Sciences, Mathematics and Education; Federal University of São Carlos; CEP 13600-970 Araras, SP Brazil
| | - Paulo A. Raymundo-Pereira
- São Carlos Institute of Physics; University of São Paulo, São Carlos; São Paulo CEP 13566-590 Brazil
| | - Anderson M. Campos
- São Carlos Institute of Chemistry; University of São Paulo, São Carlos; São Paulo CEP 13566-590 Brazil
| | - Osvaldo N. Oliveira
- São Carlos Institute of Physics; University of São Paulo, São Carlos; São Paulo CEP 13566-590 Brazil
| | - Bruno C. Janegitz
- Department of Natural Sciences, Mathematics and Education; Federal University of São Carlos; CEP 13600-970 Araras, SP Brazil
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Mehlhorn A, Rahimi P, Joseph Y. Aptamer-Based Biosensors for Antibiotic Detection: A Review. BIOSENSORS-BASEL 2018; 8:bios8020054. [PMID: 29891818 PMCID: PMC6023021 DOI: 10.3390/bios8020054] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 06/04/2018] [Accepted: 06/05/2018] [Indexed: 02/06/2023]
Abstract
Antibiotic resistance and, accordingly, their pollution because of uncontrolled usage has emerged as a serious problem in recent years. Hence, there is an increased demand to develop robust, easy, and sensitive methods for rapid evaluation of antibiotics and their residues. Among different analytical methods, the aptamer-based biosensors (aptasensors) have attracted considerable attention because of good selectivity, specificity, and sensitivity. This review gives an overview about recently-developed aptasensors for antibiotic detection. The use of various aptamer assays to determine different groups of antibiotics, like β-lactams, aminoglycosides, anthracyclines, chloramphenicol, (fluoro)quinolones, lincosamide, tetracyclines, and sulfonamides are presented in this paper.
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Affiliation(s)
- Asol Mehlhorn
- Institute of Electronic and Sensory Materials, Faculty of Materials Science and Materials Technology, Technological University Freiberg, Akademie Str. 6, 09599 Freiberg, Germany.
| | - Parvaneh Rahimi
- Institute of Electronic and Sensory Materials, Faculty of Materials Science and Materials Technology, Technological University Freiberg, Akademie Str. 6, 09599 Freiberg, Germany.
| | - Yvonne Joseph
- Institute of Electronic and Sensory Materials, Faculty of Materials Science and Materials Technology, Technological University Freiberg, Akademie Str. 6, 09599 Freiberg, Germany.
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