1
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Tang Y, Ma P, Khan IM, Cao W, Zhang Y, Wang Z. Lateral flow assay for simultaneous detection of multiple mycotoxins using nanozyme to amplify signals. Food Chem 2024; 460:140398. [PMID: 39032299 DOI: 10.1016/j.foodchem.2024.140398] [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: 05/09/2024] [Revised: 06/22/2024] [Accepted: 07/07/2024] [Indexed: 07/23/2024]
Abstract
Co-contamination of multiple mycotoxins produces synergistic toxic effects, leading to more serious hazards. Therefore, the simple, rapid and accurate simultaneous detection of multiple mycotoxins is crucial. Herein, a three-channel aptamer-based lateral flow assay (Apt-LFA) was established for the detection of aflatoxin M1 (AFM1), aflatoxin B1 (AFB1) and ochratoxin A (OTA). The multi-channel Apt-LFA utilized gold‑iridium nanozyme to catalyze the chromogenic substrate, which effectively achieved signal amplification. Moreover, the positions and lengths of the complementary sequences were screened by changes in fluorescence intensity. After grayscale analysis, the semi-quantitative results showed that the detection limits of AFM1, AFB1 and OTA were 0.39 ng/mL, 0.36 ng/mL and 0.82 ng/mL. The recoveries of the multiplexed competitive sensors in complex matrices of real samples were 93.33%-97.01%, 95.72%-102.67%, and 106.88%-109.33%, respectively. In conclusion, the assembly principle of the three-channel Apt-LFA is simple, which can provide a new idea for the simultaneous detection of small molecule targets.
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Affiliation(s)
- Yunong Tang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China
| | - Pengfei Ma
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China; Textile Industrial Products Testing Center of Nanjing Customs District, Wuxi Customs District P.R. China, Wuxi 214100, China.
| | - Imran Mahmood Khan
- Nottingham Ningbo China Beacons of Excellence Research and Innovation Institute, University of Nottingham Ningbo China, Ningbo 315100, PR China
| | - Wenbo Cao
- Technology Innovation Center of Special Food for State Market Regulation, Wuxi Food Safety Inspection and Test Center, Wuxi 214100, China
| | - Yin Zhang
- Key Laboratory of Meat Processing of Sichuan, Chengdu University, Chengdu 610106, China
| | - Zhouping Wang
- State Key Laboratory of Food Science and Resources, School of Food Science and Technology, International Joint Laboratory on Food Safety, Jiangnan University, Wuxi 214122, China.
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2
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Zheng H, Feng L, Huang Z, Zou Z, Ma X, Pan Z, Li J, Wu J, Li M, Su Z. Establishment of an amplification strategy - specific binding - convenient processing integrated aflatoxin B1 detection method based on Fe 3O 4-NH 4/AuNPs/apt-S1. Food Chem X 2024; 23:101605. [PMID: 39071922 PMCID: PMC11282949 DOI: 10.1016/j.fochx.2024.101605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 06/27/2024] [Accepted: 06/28/2024] [Indexed: 07/30/2024] Open
Abstract
Aflatoxin B1 (AFB1) is a potent toxin in food, necessitating rapid, instant, and sensitive detection. We have engineered an electrochemical sensor to monitor AFB1 using a system composed of Fe3O4-NH4/AuNPs/apt-S1. The aptamer specifically recognizes AFB1, while 'S1' is functionalized with methylene blue to enhance the current. The RecJf exonuclease promotes the formation of the electrochemical strategy. The Fe3O4 component, with its magnet properties, enables a rapid separation of solids and liquids without the need for instrumentation. The sensor exhibits a linear range for AFB1 ranging from 1 ng to 10 μg. The regression equation is I(nA) = 446.8 × logc+2085 (where I and c represent the peak current and AFB1 concentration, respectively). The correlation coefficient is 0.9508, and the detection limit is 3.447 nM. The relative standard deviation of AFB1 in peanut oil ranges from 4.80% to 6.80%. These results demonstrate that the sensor has high sensitivity, stability, repeatability, and specificity for AFB1 detection.
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Affiliation(s)
- Hua Zheng
- Institute of Life Sciences, Guangxi Medical University, Nanning 530021, China
| | - Linlin Feng
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
- Liuzhou People’s Hospital afliated to Guangxi Medical University, Liuzhou 545006, Guangxi, China
| | - Zheng Huang
- Guangxi Nanning First People's Hospital, Nanning 530016, China
| | - Ziwei Zou
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Xiaolong Ma
- Institute of Life Sciences, Guangxi Medical University, Nanning 530021, China
| | - Ziping Pan
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Jinfeng Li
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Jinxia Wu
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Mei Li
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
| | - Zhiheng Su
- Pharmaceutical College, Guangxi Medical University, Nanning 530021, China
- Guangxi Key Laboratory of Bioactive Molecules Research and Evaluation, Guangxi Medical University, Nanning 530021, China
- Guangxi Beibu Gulf Marine Biomedicine Precision Development and High-value Utilization Engineering Research Center, Guangxi Medical University, Nanning 530021, China
- Guangxi Health Commission Key Laboratory of Basic Research on Antigeriatric Drugs, Guangxi Medical University, Nanning 530021, China
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3
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Cheng Q, Zhao Q. Fluorescence assay for aflatoxin B1 based on aptamer-binding triggered DNAzyme activity. Anal Bioanal Chem 2024:10.1007/s00216-024-05523-2. [PMID: 39264462 DOI: 10.1007/s00216-024-05523-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2024] [Revised: 07/29/2024] [Accepted: 08/26/2024] [Indexed: 09/13/2024]
Abstract
As a kind of mycotoxin, aflatoxin B1 (AFB1), which is often found in agricultural products, poses a threat to human health. Developing a simple sensitive method for AFB1 detection is in great demand. Here, we reported an aptamer-based fluorescence assay for AFB1 detection by using DNAzyme to generate and amplify a signal. We redesigned a pair of DNA sequences, which originated from the anti-AFB1 aptamer and RNA-cleaving DNAzyme 10-23. In the absence of AFB1, the aptamer hybridized with the region of the substrate-binding arm of the DNAzyme, inhibiting the activity of the DNAzyme. In the presence of AFB1, the binding of AFB1 to the aptamer led to the displacement of the DNAzyme from the aptamer. The substrate-binding arm was unblocked, and the activity of the DNAzyme was restored for the hydrolysis of the fluorophore and quencher-labeled substrate, causing a significant fluorescence increase. This assay could detect AFB1 in the dynamic range from 0.98 to 2000 nmol/L with high selectivity, and the detection limit was 0.98 nmol/L. Moreover, the assay was able to detect AFB1 in a complex sample matrix. This work provides a useful tool for the analysis of AFB1.
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Affiliation(s)
- Qiuyi Cheng
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qiang Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing, 100085, China.
- University of Chinese Academy of Sciences, Beijing, 100049, China.
- School of Environment, Hangzhou Institute for Advanced Study, UCAS, Hangzhou, 310024, China.
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4
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Feng A, Li L, He N, Li D, Zheng D, Liu Y, Yang H. A ratiometric electrochemical biosensor based on ARGET ATRP for detection of HER2 gene. Talanta 2024; 275:126130. [PMID: 38653117 DOI: 10.1016/j.talanta.2024.126130] [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: 09/24/2023] [Revised: 04/15/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
Human epidermal growth factor receptor 2 (HER2), a common proto-oncogene, is overexpressed in a subset of breast cancer patients. It is essential to track HER2 expression for early breast cancer diagnosis. Herein, a ratiometric electrochemical biosensor for detection of HER2 based on activators generated by electron transfer for atom transfer radical polymerisation (AGET ATRP) and hairpin DNA was developed. Specifically, hairpin DNA was first self-assembled on the gold electrode by Au-S bond. Upon capturing HER2, the stem-loop structure of hairpin DNA was unfolded, the signal value of methylene blue (MB) decreased as it moved away from the electrode surface. cDNA was linked with HER2 by complementary base pairing to introduce amino group. Then, the initiator 2-bromo-2-methylpropionic acid (BMP) were connected to the amino group on the cDNA to activate ARGET ATRP. The detection performance of biosensors for HER2 was explored by the ratio signal between two signal molecules. Under optimal conditions, this ratiometric electrochemical biosensor shows good selectivity and stability with a wide detection range of 1-1 × 106 pM and a detection limit of 78.47 fM. Furthermore, the biosensor exhibits satisfactory anti-interference ability due to the hairpin DNA and dual signal system, and has promising application prospects in the detection of other DNA disease markers.
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Affiliation(s)
- Aozi Feng
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, China
| | - Li Li
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, China
| | - Ningxia He
- Department of Clinical Research, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510632, China
| | - Daoxiang Li
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Danna Zheng
- Science and Education Office, the First Affiliated Hospital of Jinan University, Guangzhou, Guangdong, 510632, China.
| | - Yanju Liu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
| | - Huaixia Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
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5
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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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6
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Chang W, Zheng Z, Ma Y, Du Y, Shi X, Wang C. An electrochemical aptasensor for methylamphetamine rapid detection by single-on mode based on competition with complementary DNA. Sci Rep 2024; 14:9279. [PMID: 38654039 DOI: 10.1038/s41598-024-59505-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Accepted: 04/11/2024] [Indexed: 04/25/2024] Open
Abstract
A simple and rapid electrochemical sensing method with high sensitivity and specificity of aptamers was developed for the detection of methylamphetamine (MAMP). A short anti-MAMP thiolated aptamer (Apt) with a methylene blue (MB) probe at 3'-end was immobilized on the surface of a gold electrode (MB-Apt-S/GE). The electrochemical signal appeared when MAMP presenting in the sample solution competed with cDNA for binding with MB-Apt-S. Under optimized conditions, the liner range of this signal-on electrochemical aptasensor for the detection of MAMP achieved from 1.0 to 10.0 nmol/L and 10.0-400 nmol/L. LOD 0.88 nmol/L were obtained. Satisfactory spiked recoveries of saliva and urine were also obtained. In this method, only 5 min were needed to incubate before the square wave voltammetry (SWV) analysis, which was much more rapid than other electrochemical sensors, leading to a bright and broad prospect for the detection of MAMP in biological sample. This method can be used for on-site rapid detection on special occasions, such as drug driving scenes, entertainment venues suspected of drug use, etc.
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Affiliation(s)
- Wenzhuo Chang
- Key Laboratory of Evidence Science Techniques Research and Application of Gansu Province, Gansu University of Political Science and Law, Lanzhou, 730070, China
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China
| | - Zhixiang Zheng
- Key Laboratory of Evidence Science Techniques Research and Application of Gansu Province, Gansu University of Political Science and Law, Lanzhou, 730070, China.
| | - Yongjun Ma
- College of Chemistry and Chemical Engineering, Northwest Normal University, Lanzhou, 730070, China.
| | - Yongling Du
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Xuezhao Shi
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
| | - Chunming Wang
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000, China
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7
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Khosropour H, Keramat M, Laiwattanapaisal W. A dual action electrochemical molecularly imprinted aptasensor for ultra-trace detection of carbendazim. Biosens Bioelectron 2024; 243:115754. [PMID: 37857063 DOI: 10.1016/j.bios.2023.115754] [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: 07/01/2023] [Revised: 10/06/2023] [Accepted: 10/10/2023] [Indexed: 10/21/2023]
Abstract
Carbendazim is often used in agriculture to prevent crop diseases, even though it has been associated with health concerns. To ensure the safety of food products and comply with environmental regulations, an ultrasensitive method for carbendazim determination must be developed. In this study, a new electrochemical molecularly imprinted polymer-aptasensor based on hemin-Al-metal organic framework@gold nanoparticles (H-Al-MOF@AuNPs) was developed for sensitive and selective carbendazim detection. Hemin linked to the surface of the Al-metal organic framework also possesses outstanding peroxidase-like qualities that can electrocatalyse the reduction of H2O2. Thus, H-Al-MOF functions as an in-situ probe. Additionally, AuNPs offer many binding sites to load carbendazim aptamers and create an imprinted polymer-aptasensing interface. Dopamine is the chemical functional monomer in the electropolymerised film, while carbendazim is the template molecule. Thus, compared to the molecularly imprinted polymer or aptasensor alone, the molecularly imprinted polymer-aptasensor showed greater selectivity due to the synergistic action of the polymer and carbendazim aptamer towards carbendazim. A decrease in peak current was observed by differential pulse voltammetry (DPV) and chronoamperometry (CA) as the concentration of carbendazim increased. This possibly resulted from carbendazim connecting to the carbendazim aptamer and simultaneously blocking the imprinted polymer cavities on the surface of the modified electrode, which reduced the transfer of electrons. Signals were observed for hemin DPV and H2O2 catalytic reduction CA. DPV and CA showed that the linear ranges for carbendazim were 0.3 fmol L-1-10 pmol L-1 and 0.7 fmol L-1-10 pmol L-1, respectively, with limits of detection of 80 and 300 amol L-1. Satisfactory recoveries were obtained with tap water, apple juice, and tomato juice samples, demonstrating that the proposed sensor has potential for food and environmental analysis.
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Affiliation(s)
- Hossein Khosropour
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Centre of Excellence for Biosensors and Bioengineering (CEBB), Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Mansoureh Keramat
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Centre of Excellence for Biosensors and Bioengineering (CEBB), Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Wanida Laiwattanapaisal
- Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand; Centre of Excellence for Biosensors and Bioengineering (CEBB), Department of Clinical Chemistry, Faculty of Allied Health Sciences, Chulalongkorn University, Bangkok, 10330, Thailand.
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8
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Xing Y, Zhang Y, Zhu X, Wang C, Zhang T, Cheng F, Qu J, Peijnenburg WJGM. A highly selective and sensitive electrochemical sensor for tetracycline resistant genes detection based on the non-covalent interaction of graphene oxide and nucleobase. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167615. [PMID: 37806581 DOI: 10.1016/j.scitotenv.2023.167615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/03/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023]
Abstract
Antibiotic resistance genes (ARGs) are causing worldwide environmental problems, however, the traditional analytical methods and test equipment for them are time-consuming and expensive. The electrochemical sensor using the non-covalent bond between graphene oxide (GO) and single-stranded tet (ss-tet) was established for specific tetracycline resistance genes (tet, composed of ss-tet and complementary ss-tet (ss-tet') in water) detection, which preparation time was only 35 min and far less than most reported sensors based on covalent bond. As the result of the detection for tet, the developed sensor not only had the low detection limit of 50.0 pM (8.1 × 102 copies·mL-1), the short detection time within 42 min, but also had satisfactory stability, excellent reproducibility, and highly selectivity (RSD < 4.43 %). Besides, it also had acceptable accuracy comparing to the real-time quantitative polymerase chain reaction (RT-qPCR) and PCR array in tet detection. Noticeably, it also had been successfully applied to tetA detection in different water samples. In brief, the prepared non-covalent bond sensor is simple, rapid, and suitable for highly selective and sensitive detection of the ARGs in actual water.
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Affiliation(s)
- Yi Xing
- School of Environment, Northeast Normal University, Changchun 130117, China
| | - Yanan Zhang
- School of Environment, Northeast Normal University, Changchun 130117, China
| | - Xiaolin Zhu
- School of Environment, Northeast Normal University, Changchun 130117, China
| | - Chengzhi Wang
- Center for Water Research, Beijing Normal University, Beijing 100875, China
| | - Tingting Zhang
- School of Environment, Northeast Normal University, Changchun 130117, China
| | - Fangyuan Cheng
- School of Environment, Northeast Normal University, Changchun 130117, China
| | - Jiao Qu
- School of Environment, Northeast Normal University, Changchun 130117, China.
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences, Leiden University, Leiden, the Netherlands; National Institute of Public Health and the Environment (RIVM), Center for Safety of Substances and Products, Bilthoven, the Netherlands
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9
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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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10
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Wang K, Zhu N, Li Y, Zhang H, Wu B, Cui J, Tang J, Yang Z, Zhu F, Zhang Z. Poly-adenine-mediated tetrahedral DNA nanostructure with multiple target-recognition sites for ultrasensitive and rapid electrochemical detection of Aflatoxin B1. Anal Chim Acta 2023; 1283:341947. [PMID: 37977777 DOI: 10.1016/j.aca.2023.341947] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/10/2023] [Accepted: 10/20/2023] [Indexed: 11/19/2023]
Abstract
Tetrahedral DNA nanostructures (TDNs) are widely used in the development of electrochemical biosensors due to their structural stability, programmability, and strong interfacial orderliness. However, the complex modifications on the electrode and the single vertex target recognition of the TDNs limit their applications in electrochemical biosensing. Herein, we developed a universal detection system based on a novel polyadenine-based tetrahedral DNA nanostructure (ATDN) using Aflatoxin B1 (AFB1) as the model target for analysis. In the absence of target AFB1, the signal probes (SP) modified with ferrocene would be anchored by five aptamers on ATDN. The target capture by aptamers led to a release of SP from the electrode surface, resulting in a significant reduction of the electrochemical signal. This new nanostructure was not only dispensed with multi-step electrode modifications and strong mechanical rigidity but also had five modification sites which enhanced the detection sensitivity for the target. As a result, this biosensor shows good analytical performance in the linear range of 1 fg mL-1 to 1 ng mL-1, exhibiting a low detection limit of 0.33 fg mL-1. Satisfactory accuracy has also been demonstrated through good recoveries (95.2%-98.9%). The proposed new tetrahedral DNA nanostructure can provide a more rapid and sensitive alternative to previous electrochemical sensors based on the conventional TDN. Since DNA sequences can be designed flexibly, the sensing platform in this strategy can be extended to detect various targets in different fields.
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Affiliation(s)
- Kaixuan Wang
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Nuanfei Zhu
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Yumo Li
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Hu Zhang
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Beibei Wu
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310015, China
| | - Jian Cui
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Nanjing, 210014, China
| | - Jun Tang
- Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, 310015, China.
| | - Zhugen Yang
- School of Water, Energy, and Environment, Cranfield University, Milton Keynes, MK43 0AL, UK
| | - Fang Zhu
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China
| | - Zhen Zhang
- School of Emergency Management, School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, China.
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11
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Serebrennikova KV, Samokhvalov AV, Zherdev AV, Dzantiev BB. A Fluorescence Resonance Energy Transfer Aptasensor for Aflatoxin B1 Based on Ligand-Induced ssDNA Displacement. Molecules 2023; 28:7889. [PMID: 38067619 PMCID: PMC10707992 DOI: 10.3390/molecules28237889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2023] [Revised: 11/27/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
In this study, a fluorescence resonance energy transfer (FRET)-based aptasensor for the detection of aflatoxin B1 (AFB1) was designed using a carboxyfluorescein (FAM)-labeled aptamer and short complementary DNA (cDNA) labeled with low molecular quencher RTQ1. The sensing principle was based on the detection of restored FAM-aptamer fluorescence due to the ligand-induced displacement of cDNA in the presence of AFB1, leading to the destruction of the aptamer/cDNA duplex and preventing the convergence of FAM and RTQ1 at the effective FRET distance. Under optimal sensing conditions, a linear correlation was obtained between the fluorescence intensity of the FAM-aptamer and the AFB1 concentration in the range of 2.5-208.3 ng/mL with the detection limit of the assay equal to 0.2 ng/mL. The assay time was 30 min. The proposed FRET aptasensor has been successfully validated by analyzing white wine and corn flour samples, with recovery ranging from 76.7% to 91.9% and 84.0% to 86.5%, respectively. This work demonstrates the possibilities of labeled cDNA as an effective and easily accessible tool for sensitive AFB1 detection. The homogeneous FRET aptasensor is an appropriate choice for contaminant screening in complex matrices.
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Affiliation(s)
| | | | | | - Boris B. Dzantiev
- A.N. Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky Prospect 33, Moscow 119071, Russia; (K.V.S.); (A.V.S.); (A.V.Z.)
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12
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Luo F, Zhan L, Deng Y, Qiao K, Pan N, Weng Z, Lin C, Qiu B, Lin Z. Oxygen-induced dual-signal point-of-care testing aptasensor for aflatoxin B1 detection using platinum nanoparticle catalysis in visual fluorometry and gravimetry. Anal Chim Acta 2023; 1273:341544. [PMID: 37423670 DOI: 10.1016/j.aca.2023.341544] [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: 05/03/2023] [Revised: 06/16/2023] [Accepted: 06/18/2023] [Indexed: 07/11/2023]
Abstract
Point-of-care testing (POCT) has experienced rapid development owing to its advantages of rapid testing, low cost and strong operability, making it indispensable for analyte detection in outdoor or rural areas. In this study, we propose a novel method for the detection of aflatoxin B1 (AFB1) using a dual-signal readout approach within a unified system. This method employs dual channel modes, namely visual fluorescence and weight measurements, as the signal readouts. Specifically, a pressure-sensitive material is utilized as a visual fluorescent agent, its signal can be quenched in the presence of high oxygen pressure. Additionally, an electronic balance, commonly used for weight measurement, is adopted as another signal device, where the signal is generated through the catalytic decomposition of H2O2 by platinum nanoparticles. The experimental results demonstrate that the proposed device enables accurate AFB1 detection within the concentration range of 1.5-32 μg mL-1, with a detection limit of 0.47 μg mL-1. Moreover, this method has been successfully applied for practical AFB1 detection with satisfactory results. Notably, this study pioneers the use of a pressure-sensitive material as a visual signal in POCT. By addressing the limitations of single-signal readout approaches, our method fulfills requirements of intuitiveness, sensitivity, quantitative analysis and reusability.
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Affiliation(s)
- Fang Luo
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350116, China; MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China.
| | - Linxiu Zhan
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350116, China; MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Ye Deng
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350116, China; MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Kun Qiao
- Key Laboratory of Cultivation and High-value Utilization of Marine Organisms in Fujian Province, Fisheries Research Institute of Fujian, Xiamen, 361013, China
| | - Nan Pan
- Key Laboratory of Cultivation and High-value Utilization of Marine Organisms in Fujian Province, Fisheries Research Institute of Fujian, Xiamen, 361013, China
| | - Zuquan Weng
- College of Biological Science and Engineering, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Cuiying Lin
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Bin Qiu
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China
| | - Zhenyu Lin
- MOE Key Laboratory of Analysis and Detection for Food Safety and Biology, Fujian Provincial Key Laboratory of Analysis and Detection Technology for Food Safety, College of Chemistry, Fuzhou University, Fuzhou, Fujian, 350116, China.
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13
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Tian L, Shi Y, Song Y, Guan H, Li Y, Xu R. Dual Signal-Enhanced Electrochemiluminescence Strategy Based on Functionalized Biochar for Detecting Aflatoxin B1. BIOSENSORS 2023; 13:846. [PMID: 37754080 PMCID: PMC10526187 DOI: 10.3390/bios13090846] [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: 06/19/2023] [Revised: 08/19/2023] [Accepted: 08/22/2023] [Indexed: 09/28/2023]
Abstract
Metal-organic frameworks (MOFs) are often used as carriers in the preparation of electrochemiluminescent (ECL) materials, and ECL materials stabilized in the aqueous phase can be prepared by encapsulating chromophores inside MOFs by an in situ growth method. In this study, nanocomposites MIL-88B(Fe)-NH2@Ru(py)32+ with excellent ECL response were prepared by encapsulating Tris(2,2'-bipyridine)ruthenium dichloride (Ru(py)32+) inside MIL-88B(Fe)-NH2 using the one-step hydrothermal method. MIL-88B(Fe)-NH2 possesses abundant amino groups, which can accelerate the catalytic activation process of K2S2O8, and its abundant pores are also conducive to the enhancement of the transmission rate of co-reactant agents, ions, and electrons, which effectively improves the ECL efficiency. In order to obtain more excellent ECL signals, we prepared aminated biochar (NH2-biochar) using Pu-erh tea dregs as precursor and loaded gold nanoparticles (Au NPs) on its surface as substrate material for modified electrodes. Both NH2-biochar and Au NPs can also be used as a co-reactant promoter to catalyze the activation process of co-reactant K2S2O8. Therefore, a sandwich-type ECL immunosensor was prepared based on a dual signal-enhanced strategy for the highly sensitive and selective detection of aflatoxin B1 (AFB1). Under the optimal experimental conditions, the sensitive detection of AFB1 was achieved in the range of 1 pg·mL-1~100 ng·mL-1 with a detection limit of 209 fg·mL-1. The proposed dual signal-enhanced ECL immunosensor can provide a simple, convenient, and efficient method for the sensitive detection of AFB1 in food and agricultural products.
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Affiliation(s)
- Lin Tian
- Provincial Key Laboratory of Rural Energy Engineering in Yunnan, Yunnan Normal University, Kunming 650500, China;
| | - Yuying Shi
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China; (Y.S.); (Y.S.); (H.G.)
| | - Yanan Song
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China; (Y.S.); (Y.S.); (H.G.)
| | - Huilin Guan
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China; (Y.S.); (Y.S.); (H.G.)
- Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Yunnan Normal University, Kunming 650500, China
| | - Yunxiao Li
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China; (Y.S.); (Y.S.); (H.G.)
| | - Rui Xu
- Provincial Key Laboratory of Rural Energy Engineering in Yunnan, Yunnan Normal University, Kunming 650500, China;
- School of Energy and Environment Science, Yunnan Normal University, Kunming 650500, China; (Y.S.); (Y.S.); (H.G.)
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14
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Jiang M, Wang M, Song X, Lai W, Zhao C, Li J, Wei Z, Hong C. Dual-functional Nanomaterials Polyo-phenylenediamine and Ru-Au Complement Each Other to Construct an Electrochemical and Electrochemiluminescent Dual-Mode Aptamer Sensor for Sensitive Detection of Alternariol. Anal Chem 2023; 95:12459-12469. [PMID: 37566460 DOI: 10.1021/acs.analchem.3c02119] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/12/2023]
Abstract
To sensitively monitor trace amounts of alternariol (AOH) in fruits, a dual-mode aptamer sensor utilizing the dual-function nanomaterial PoPD/Ru-Au was developed. This sensor provides both electrochemical (EC) and electrochemiluminescence (ECL) signals, which can greatly avoid the potential false positive of the traditional single signal, thus enhancing the accuracy and reliability of detection results. Polyo-phenylenediamine (PoPD), known for its favorable EC response, can also assist in enhancing the ECL behavior of Ru-Au. Furthermore, Ru-Au demonstrates excellent ECL performance and effectively activates K2S2O8 to amplify the EC response of PoPD. The complementary effect of the two can effectively amplify the final detection signal. Additionally, the PoPD/Ru-Au nanomaterial exhibits excellent electrical conductivity, further enhancing the EC and ECL response signals. The experimental results demonstrate that the EC detection range of AOH was 0.01-100 ng/mL, while the ECL detection range was 0.001-100 ng/mL, both exhibiting a satisfactory linear relationship. Therefore, the mutual verification of the detection results can be highly realized, and the purpose of avoiding wrong detection can be achieved.
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Affiliation(s)
- Mingzhe Jiang
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Min Wang
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Xuetong Song
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Wenjing Lai
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Chulei Zhao
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Jiajia Li
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Zhong Wei
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
| | - Chenglin Hong
- School of Chemistry and Chemical Engineering/State Key Laboratory Incubation Base for Green Processing of Chemical Engineering, Shihezi University, Shihezi 832003, P. R. China
- School of Chemistry and Chemistry and Chemical Engineering, Shihezi University, Key Laboratory of Environmental Monitoring and Pollutant Control of Xinjiang Bingtuan, Shihezi 832003, Xinjiang, China
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15
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Lu Y, Chen R, Dong Y, Zhao W, Ruan S, Yang W, Chen Y, Wang C. Magnetic relaxation switching immunoassay based on "limited-magnitude" particles for sensitive quantification of aflatoxin B 1. Anal Chim Acta 2023; 1266:341329. [PMID: 37244666 DOI: 10.1016/j.aca.2023.341329] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/04/2023] [Accepted: 05/05/2023] [Indexed: 05/29/2023]
Abstract
Aflatoxin B1 (AFB1) is a highly toxic and carcinogenic chemical substance that endangers food safety and human health. Magnetic relaxation switching (MRS) immunosensors are utilized in a variety of applications in food analysis due to its resistance to matrix interferences, but they often suffer from magnetic separation-based multi-washing steps and low sensitivity. Herein, we propose novel MRS strategy for the sensitive detection of AFB1 using "Limited-Magnitude" size particles: a single millimeter sized polystyrene spheres (PSmm) and 150 nm superparamagnetic nanoparticles (MNP150). Only a single PSmm is used as the microreactor to enhance all of the magnetic signal on its surface in high concentration by an immune competitive response, successfully preventing signal dilution, which can be transferred by pipette, simplifying the process of separation and washing. The established single polystyrene sphere magnetic relaxation switch biosensor (SMRS) was able to quantify AFB1 from 0.02 to 200 ng/mL with a detection limit of 14.3 pg/mL. SMRS biosensor has been successfully used for the detection of AFB1 in wheat and maize samples, and the results in agreement with high performance liquid chromatography-tandem mass spectrometry (HPLC-MS). Benefiting from high sensitivity and convenient operation, the simple and enzyme-free method is promising in trace small molecules applications.
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Affiliation(s)
- Yingying Lu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Rui Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Yongzhen Dong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Weiqi Zhao
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China
| | - Shilong Ruan
- Daye Public Inspection and Test Center, Daye, 435100, Hubei, China
| | - Weihai Yang
- Qingdao Customs District PR China, Qingdao, 266005, Shandong, China
| | - Yiping Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China; Shenzhen Institute of Food Nutrition and Health, Huazhong Agricultural University, Wuhan, 430070, Hubei, China.
| | - Chengming Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China.
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16
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Marins-Gonçalves L, Martins Ferreira M, Rocha Guidi L, De Souza D. Is chemical analysis suitable for detecting mycotoxins in agricultural commodities and foodstuffs? Talanta 2023; 265:124782. [PMID: 37339540 DOI: 10.1016/j.talanta.2023.124782] [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: 03/22/2023] [Revised: 05/07/2023] [Accepted: 06/06/2023] [Indexed: 06/22/2023]
Abstract
The assessment of the risks of mycotoxins to humans through consuming contaminated foods resulted in specific legislation that evaluates the presence, quantities, and type of mycotoxins in agricultural commodities and foodstuffs. Thus, to ensure compliance with legislation, food safety and consumer health, the development of suitable analytical procedures for identifying and quantifying mycotoxins in the free or modified form, in low-concentration and in complex samples is necessary. This review reports the application of the modern chemical methods of analysis employed in mycotoxin detection in agricultural commodities and foodstuffs. It is reported extraction methods with reasonable accuracy and those present characteristics according to guidelines of Green Analytical Chemistry. Recent trends in mycotoxins detection using analytical techniques are presented and discussed, evaluating the robustness, precision, accuracy, sensitivity, and selectivity in the detection of different classes of mycotoxins. Sensitivity coming from modern chromatographic techniques allows the detection of very low concentrations of mycotoxins in complex samples. However, it is essential the development of more green, fast and more suitable accuracy extraction methods for mycotoxins, which agricultural commodities producers could use. Despite the high number of research reporting the use of chemically modified voltammetric sensors, mycotoxins detection still has limitations due to the low selectivity from similar chemical structures of mycotoxins. Furthermore, spectroscopic techniques are rarely employed due to the limited number of reference standards for calibration procedures.
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Affiliation(s)
- Lorranne Marins-Gonçalves
- Laboratory of Electroanalytical Applied to Biotechnology and Food Engineering (LEABE), Chemistry Institute, Uberlândia Federal University, Patos de Minas Campus, Major Jerônimo street, 566, Patos de Minas, MG, 38700-002, Brazil; Postgraduate Program in Food Engineering, Chemistry Engineering, Uberlândia Federal University; Patos de Minas Campus, Major Jerônimo street, 566, Patos de Minas, MG, 38700-002, Brazil
| | - Mariana Martins Ferreira
- Postgraduate Program in Food Engineering, Chemistry Engineering, Uberlândia Federal University; Patos de Minas Campus, Major Jerônimo street, 566, Patos de Minas, MG, 38700-002, Brazil
| | - Letícia Rocha Guidi
- Postgraduate Program in Food Engineering, Chemistry Engineering, Uberlândia Federal University; Patos de Minas Campus, Major Jerônimo street, 566, Patos de Minas, MG, 38700-002, Brazil
| | - Djenaine De Souza
- Laboratory of Electroanalytical Applied to Biotechnology and Food Engineering (LEABE), Chemistry Institute, Uberlândia Federal University, Patos de Minas Campus, Major Jerônimo street, 566, Patos de Minas, MG, 38700-002, Brazil; Postgraduate Program in Food Engineering, Chemistry Engineering, Uberlândia Federal University; Patos de Minas Campus, Major Jerônimo street, 566, Patos de Minas, MG, 38700-002, Brazil.
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17
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Ong JY, Phang SW, Goh CT, Pike A, Tan LL. Impedimetric Polyaniline-Based Aptasensor for Aflatoxin B 1 Determination in Agricultural Products. Foods 2023; 12:foods12081698. [PMID: 37107493 PMCID: PMC10137590 DOI: 10.3390/foods12081698] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/14/2023] [Accepted: 04/17/2023] [Indexed: 04/29/2023] Open
Abstract
An impedimetric aptasensor based on a polyaniline (PAni) support matrix is developed through the surface modification of a screen-printed carbon electrode (SPE) for aflatoxin B1 (AFB1) detection in foodstuffs and feedstuffs for food safety. The PAni is synthesized with the chemical oxidation method and characterized with potentiostat/galvanostat, FTIR, and UV-vis spectroscopy techniques. The stepwise fabrication procedure of the PAni-based aptasensor is characterized by means of cyclic voltammetry (CV) and electrochemical impedance spectroscopy (EIS) methods. The impedimetric aptasensor is optimized using the EIS technique, and its feasibility of detecting AFB1 in real sample matrices is evaluated via a recovery study in spiked foodstuffs and feedstuffs, such as pistachio nuts, cinnamons, cloves, corn, and soybeans, with a good recovery percentage, ranging from 87.9% to 94.7%. The charge transfer resistance (RCT) at the aptasensor interface increases linearly with the AFB1 concentration in the range of 3 × 10-2 nM to 8 × 10-2 nM, with a regression coefficient (R2) value of 0.9991 and detection limit of 0.01 nM. The proposed aptasensor is highly selective towards AFB1 and partially selective to AFB2 and ochratoxin A (OTA) due to their similar structures that differ only at the carbon-carbon double bond located at C8 and C9 and the large molecule size of OTA.
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Affiliation(s)
- Jing Yi Ong
- Southeast Asia Disaster Prevention Research Initiative (SEADPRI), Institute for Environment and Development (LESTARI), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Sook-Wai Phang
- Department of Physical Science, Faculty of Applied Sciences, Tunku Abdul Rahman University of Management and Technology (TAR UMT), Jalan Genting Kelang, Setapak, Kuala Lumpur 53300, Malaysia
| | - Choo Ta Goh
- Southeast Asia Disaster Prevention Research Initiative (SEADPRI), Institute for Environment and Development (LESTARI), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
| | - Andrew Pike
- School of Natural and Environmental Sciences, Bedson Building, Newcastle University, Newcastle upon Tyne NE1 7RU, UK
| | - Ling Ling Tan
- Southeast Asia Disaster Prevention Research Initiative (SEADPRI), Institute for Environment and Development (LESTARI), Universiti Kebangsaan Malaysia, Bangi 43600, Malaysia
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18
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Wei G, Fan Q, Hong N, Cui H, Zhang W, Rustam M, Alim A, Jiang T, Dong H, Fan H. A Reagentless Aptamer Sensor Based on a Self-Powered DNA Machine for Electrochemical Detection of AFB1. Electrocatalysis (N Y) 2023. [DOI: 10.1007/s12678-023-00819-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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19
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Xiong D, Cheng J, Ai F, Wang X, Xiao J, Zhu F, Zeng K, Wang K, Zhang Z. Insight into the Sensing Behavior of DNA Probes Based on MOF-Nucleic Acid Interaction for Bioanalysis. Anal Chem 2023; 95:5470-5478. [PMID: 36921316 DOI: 10.1021/acs.analchem.3c00832] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
Adsorption of DNA probes onto nanomaterials is a promising strategy for bioassay establishment typically using fluorescence or catalytic activities to generate signals. Albeit important, there is currently a lack of systematic understanding of the sensing behaviors building on nanomaterial-DNA interactions, which greatly limits the rational method design and their subsequent applications. Herein, the issue was investigated by employing multifunctional metal-organic frameworks (MOFs) (FeTCPP⊂UiO-66) as a model that was synthesized via integrating heme-like ligand FeTCPP into commonly used MOFs (UiO-66). Our results demonstrated that the fluorescently labeled DNA adsorbed onto FeTCPP⊂UiO-66 was quenched through photoinduced electron transfer, fluorescence resonance energy transfer, and the internal filtration effect. Among different DNA structures, double-stranded DNA and hybridization chain reaction products largely retained their fluorescence due to desorption and conformational variation, respectively. In addition, ssDNA could maximally inhibit the peroxidase activity of FeTCPP⊂UiO-66, and this inhibition was strongly dependent on the strand length but independent of base composition. On the basis of these discoveries, a fluorescence/colorimetric dual-modal detection was designed against aflatoxin B1 with satisfactory performances obtained to further verify our results. This study provided some new insights into the sensing behaviors based on MOF-DNA interactions, indicating promising applications for rational bioassay design and its performance improvement.
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Affiliation(s)
- Dinghui Xiong
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jie Cheng
- Institute of Quality Standards and Testing Technologies for Agro-Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China
| | - Fengxiang Ai
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Xinyu Wang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Jiaxuan Xiao
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Fang Zhu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Kun Zeng
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Kun Wang
- School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China
| | - Zhen Zhang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang 212013, China
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20
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He H, Sun DW, Pu H, Wu Z. A SERS-Fluorescence dual-signal aptasensor for sensitive and robust determination of AFB1 in nut samples based on Apt-Cy5 and MNP@Ag-PEI. Talanta 2023; 253:123962. [PMID: 36208559 DOI: 10.1016/j.talanta.2022.123962] [Citation(s) in RCA: 23] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/18/2022] [Accepted: 09/20/2022] [Indexed: 12/13/2022]
Abstract
Food aflatoxin B1 (AFB1) contamination greatly threatens human health and its sensitive determination is imperative. In this study, a surface-enhanced Raman scattering (SERS) and fluorescence dual-signal aptasensor was constructed for sensitive AFB1 detection in peanuts, walnuts, and almonds samples. Fluorescent dye cy5 was used as fluorophore and Raman reporter, while polyethyleneimine modified Ag coating magnetic nanoparticles (MNP@Ag-PEI) were utilized to absorb the cy5 modified aptamer (apt-cy5). Results indicated that linear ranges of 0.001-1000 ng/mL and 0.2-20,000 ng/mL with detection limits of 0.45 pg/mL and 0.135 ng/mL for the SERS and fluorescence methods were obtained, respectively, and AFB1 detection in the nut samples using the aptasensor achieved satisfactory recoveries of 95.2%-108.6% for SERS and 94.7%-109.7% for fluorescence. Compared with other mono signal detection, the established aptasensor facilely fused the merits of the two signals and improved the detection accuracy and flexibility.
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Affiliation(s)
- Haoyang He
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China
| | - Da-Wen Sun
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China; Food Refrigeration and Computerized Food Technology (FRCFT), Agriculture and Food Science Centre, University College Dublin, National University of Ireland, Belfield, Dublin 4, Ireland.
| | - Hongbin Pu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China
| | - Zhihui Wu
- School of Food Science and Engineering, South China University of Technology, Guangzhou, 510641, China; Academy of Contemporary Food Engineering, South China University of Technology, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China; Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods, & Guangdong Province Engineering Laboratory for Intelligent Cold Chain Logistics Equipment for Agricultural Products, Guangzhou Higher Education Mega Centre, Guangzhou, 510006, China
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21
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Pan J, Xu W, Li W, Chen S, Dai Y, Yu S, Zhou Q, Xia F. Electrochemical Aptamer-Based Sensors with Tunable Detection Range. Anal Chem 2023; 95:420-432. [PMID: 36625123 DOI: 10.1021/acs.analchem.2c04498] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Jing Pan
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Wenxia Xu
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Wanlu Li
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Shuwen Chen
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Yu Dai
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Shanwu Yu
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Qitao Zhou
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
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22
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Current State of Sensors and Sensing Systems Utilized in Beer Analysis. BEVERAGES 2023. [DOI: 10.3390/beverages9010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Beer is one of the most consumed beverages in the world. Advances in instrumental techniques have allowed the analysis and characterization of a large number of beers. However, review studies that outline the methodologies used in beer characterization are scarce. Herein, a systematic review investigating the molecular targets and sensometric techniques in beer characterization was performed following the PRISMA protocol. The study reviewed 270 articles related to beer analysis in order to provide a comprehensive summary of the recent advances in beer analysis, including methods using sensors and sensing systems. The results revealed the use of various techniques that include several technologies, such as nanotechnology and electronics, often combined with scientific data analysis tools. To our knowledge, this study is the first of its kind and provides the reader with a faithful overview of what has been done in the sensor field regarding beer characterization.
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23
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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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24
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Guo X, Wang M, Ma L, Cui Z, Liu Z, Yang H, Liu Y. Carboxyl porphyrin as signal molecule for sensitive fluorescent detection of aflatoxin B 1 via ARGET-ATRP. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 280:121535. [PMID: 35752041 DOI: 10.1016/j.saa.2022.121535] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/03/2022] [Accepted: 06/17/2022] [Indexed: 05/27/2023]
Abstract
In this work, a novel fluorescent biosensor for sensitive detecting of aflatoxin B1 (AFB1) was constructed through activators regenerated by electron transfer for atom transfer radical polymerization (ARGET-ATRP) for the first time. The AFB1 antigen was immobilized on the carboxy magnetic beads (MBs) by forming a sandwich-type "aptamer-antigen-antibody" immune system. Then, acrylamid (AM) was introduced through ARGET-ATRP to provide binding sites for the signaling molecules. Finally, carboxy porphyrins (TPP*) were connected with monomers through an amide bond and fixed on the MBs. Under the optimal experimental conditions, the fluorescence intensity and the logarithm of the concentration of AFB1 showed a good relationship from 100 fg mL-1 to 100 ng mL-1, with the limit of detection (LOD) as low as 8.38 fg mL-1. In addition, the method shows good selectivity and excellent reproducibility. More importantly, the biosensor has applied to the quantitative analysis of AFB1 in four Chinese medicines, and this strategy could potentially serve as a novel means for sensitive detecting of AFB1 in complex matrices.
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Affiliation(s)
- Xiaoyu Guo
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China
| | - Mengli Wang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China
| | - Lele Ma
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China
| | - Zhenzhen Cui
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China
| | - Zenghui Liu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China
| | - Huaixia Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China.
| | - Yanju Liu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou 450046, People's Republic of China.
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25
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Yang Y, Ren MY, Xu XG, Han Y, Zhao X, Li CH, Zhao ZL. Recent advances in simultaneous detection strategies for multi-mycotoxins in foods. Crit Rev Food Sci Nutr 2022; 64:3932-3960. [PMID: 36330603 DOI: 10.1080/10408398.2022.2137775] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Mycotoxin contamination has become a challenge in the field of food safety testing, given the increasing emphasis on food safety in recent years. Mycotoxins are widely distributed, in heavily polluted areas. Food contamination with these toxins is difficult to prevent and control. Mycotoxins, as are small-molecule toxic metabolites produced by several species belonging to the genera Aspergillus, Fusarium, and Penicillium growing in food. They are considered teratogenic, carcinogenic, and mutagenic to humans and animals. Food systems are often simultaneously contaminated with multiple mycotoxins. Due to the additive or synergistic toxicological effects caused by the co-existence of multiple mycotoxins, their individual detection requires reliable, accurate, and high-throughput techniques. Currently available, methods for the detection of multiple mycotoxins are mainly based on chromatography, spectroscopy (colorimetry, fluorescence, and surface-enhanced Raman scattering), and electrochemistry. This review provides a comprehensive overview of advances in the multiple detection methods of mycotoxins during the recent 5 years. The principles and features of these techniques are described. The practical applications and challenges associated with assays for multiple detection methods of mycotoxins are summarized. The potential for future development and application is discussed in an effort, to provide standards of references for further research.
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Affiliation(s)
- Ying Yang
- School of Quality and Technical Supervision, Hebei University, Baoding, China
- National & Local Joint Engineering Research Center of Metrology Instrument and System, Hebei University, Baoding, China
- Hebei Key Laboratory of Energy Metering and Safety Testing Technology, Hebei University, Baoding, China
| | - Meng-Yu Ren
- School of Quality and Technical Supervision, Hebei University, Baoding, China
- National & Local Joint Engineering Research Center of Metrology Instrument and System, Hebei University, Baoding, China
- Hebei Key Laboratory of Energy Metering and Safety Testing Technology, Hebei University, Baoding, China
| | - Xiao-Guang Xu
- School of Traditional Chinese Medicine, Hebei University, Baoding, China
| | - Yue Han
- School of Quality and Technical Supervision, Hebei University, Baoding, China
- National & Local Joint Engineering Research Center of Metrology Instrument and System, Hebei University, Baoding, China
- Hebei Key Laboratory of Energy Metering and Safety Testing Technology, Hebei University, Baoding, China
| | - Xin Zhao
- School of Quality and Technical Supervision, Hebei University, Baoding, China
- National & Local Joint Engineering Research Center of Metrology Instrument and System, Hebei University, Baoding, China
- Hebei Key Laboratory of Energy Metering and Safety Testing Technology, Hebei University, Baoding, China
| | - Chun-Hua Li
- School of Quality and Technical Supervision, Hebei University, Baoding, China
- National & Local Joint Engineering Research Center of Metrology Instrument and System, Hebei University, Baoding, China
- Hebei Key Laboratory of Energy Metering and Safety Testing Technology, Hebei University, Baoding, China
| | - Zhi-Lei Zhao
- School of Quality and Technical Supervision, Hebei University, Baoding, China
- National & Local Joint Engineering Research Center of Metrology Instrument and System, Hebei University, Baoding, China
- Hebei Key Laboratory of Energy Metering and Safety Testing Technology, Hebei University, Baoding, China
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Khosropour H, Maeboonruan N, Sriprachuabwong C, Tuantranont A, Laiwattanapaisal W. A new double signal on electrochemical aptasensor based on gold nanoparticles/graphene nanoribbons/MOF-808 as enhancing nanocomposite for ultrasensitive and selective detection of carbendazim. OPENNANO 2022. [DOI: 10.1016/j.onano.2022.100086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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27
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Chung S, Singh NK, Gribkoff VK, Hall DA. Electrochemical Carbamazepine Aptasensor for Therapeutic Drug Monitoring at the Point of Care. ACS OMEGA 2022; 7:39097-39106. [PMID: 36340178 PMCID: PMC9631757 DOI: 10.1021/acsomega.2c04865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/22/2022] [Indexed: 06/02/2023]
Abstract
Monitoring the anti-epileptic drug carbamazepine (CBZ) is crucial for proper dosing, optimizing a patient's clinical outcome, and managing their medication regimen. Due to its narrow therapeutic window and concentration-related toxicity, CBZ is prescribed and monitored in a highly personalized manner. We report an electrochemical conformation-changing aptasensor with two assay formats: a 30 min assay for routine monitoring and a 5 min assay for rapid emergency testing. To enable "sample-to-answer" testing, a de novo CBZ aptamer (K d < 12 nM) with conformational switching due to a G-quadruplex motif was labeled with methylene blue and immobilized on a gold electrode. The electrode fabrication and detection conditions were optimized using electrochemical techniques and visualized by atomic force microscopy (AFM). The aptasensor performance, including reproducibility, stability, and interference, was characterized using electrochemical impedance spectroscopy and voltammetry techniques. The aptasensor exhibited a wide dynamic range in buffer (10 nM to 100 μM) with limits of detection of 1.25 and 1.82 nM for the 5 and 30 min assays, respectively. The clinical applicability is demonstrated by detecting CBZ in finger prick blood samples (<50 μL). The proposed assays provide a promising method to enable point-of-care monitoring for timely personalized CBZ dosing.
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Affiliation(s)
- Saeromi Chung
- Department
of Electrical and Computer Engineering, University of California San Diego, La Jolla, California 92093, United States
| | - Naveen K. Singh
- Department
of Electrical and Computer Engineering, University of California San Diego, La Jolla, California 92093, United States
| | | | - Drew A. Hall
- Department
of Electrical and Computer Engineering, University of California San Diego, La Jolla, California 92093, United States
- Department
of Bioengineering, University of California
San Diego, La Jolla, California 92093, United States
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28
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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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29
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Liu Z, Xue J, Chen L, Ma L, Yang H, Zhang Y, Miao M. A signal-off aptamer sensor based on competition with complementary DNA and click polymerization for electrochemical detection of AFB1. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107775] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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30
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Onaş AM, Dascălu C, Raicopol MD, Pilan L. Critical Design Factors for Electrochemical Aptasensors Based on Target-Induced Conformational Changes: The Case of Small-Molecule Targets. BIOSENSORS 2022; 12:816. [PMID: 36290952 PMCID: PMC9599214 DOI: 10.3390/bios12100816] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/19/2022] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Nucleic-acid aptamers consisting in single-stranded DNA oligonucleotides emerged as very promising biorecognition elements for electrochemical biosensors applied in various fields such as medicine, environmental, and food safety. Despite their outstanding features, such as high-binding affinity for a broad range of targets, high stability, low cost and ease of modification, numerous challenges had to be overcome from the aptamer selection process on the design of functioning biosensing devices. Moreover, in the case of small molecules such as metabolites, toxins, drugs, etc., obtaining efficient binding aptamer sequences proved a challenging task given their small molecular surface and limited interactions between their functional groups and aptamer sequences. Thus, establishing consistent evaluation standards for aptamer affinity is crucial for the success of these aptamers in biosensing applications. In this context, this article will give an overview on the thermodynamic and structural aspects of the aptamer-target interaction, its specificity and selectivity, and will also highlight the current methods employed for determining the aptamer-binding affinity and the structural characterization of the aptamer-target complex. The critical aspects regarding the generation of aptamer-modified electrodes suitable for electrochemical sensing, such as appropriate bioreceptor immobilization strategy and experimental conditions which facilitate a convenient anchoring and stability of the aptamer, are also discussed. The review also summarizes some effective small molecule aptasensing platforms from the recent literature.
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Affiliation(s)
- Andra Mihaela Onaş
- Advanced Polymer Materials Group, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
| | - Constanţa Dascălu
- Faculty of Applied Sciences, University ‘Politehnica’ of Bucharest, 313 Splaiul Independenţei, District 6, 060042 Bucharest, Romania
| | - Matei D. Raicopol
- Faculty of Chemical Engineering and Biotechnologies, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
| | - Luisa Pilan
- Faculty of Chemical Engineering and Biotechnologies, University ‘Politehnica’ of Bucharest, 1-7 Gheorghe Polizu, District 1, 011061 Bucharest, Romania
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31
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Wang G, Dong H, Han J, Zhang M, Huang J, Sun J, Guan F, Shen Z, Xu D, Sun X, Guo Y, Zhao S. Interference-resistant aptasensor with tetrahedral DNA nanostructure for profenofos detection based on the composites of graphene oxide and polyaniline. Bioelectrochemistry 2022; 148:108227. [PMID: 35973324 DOI: 10.1016/j.bioelechem.2022.108227] [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: 05/10/2022] [Revised: 08/04/2022] [Accepted: 08/06/2022] [Indexed: 11/28/2022]
Abstract
In this work, an interference-resistant electrochemical aptasensor that could detect profenofos in vegetables was constructed based on complexes of graphene oxide and polyaniline (GO@PANI) and gold nanoparticles-tetrahedral DNA nanostructure (Au-TDN). Compared with a single chain aptamer, the tetrahedral DNA nanostructure is highly stable and allows the aptamer on this structure to stand in a highly ordered position on an electrode surface. Moreover, the AuNPs are biocompatible and can protect the activity of the aptamer, which can improve the assembly success rate of Au-TDN. Besides, the conductivity of PANI had been tremendously enhanced thanks to the existence of GO, which improved the dispersion of PANI. The GO@PANI was prepared by a chemical synthesis method, which had a large surface area and was able to adsorb many Au-TDN. Under optimal working parameters, the constructed aptasensor exhibited good electrochemical sensing performance with a detection limit of 10.50 pg/mL and a linear range of 1.0 × 102-1.0 × 107 pg/mL. In addition, it was employed in detecting profenofos in vegetables with a good recovery rate of 90.41-116.37 %. More importantly, the aptasensor also has excellent stability and high selectivity. This study provides a promising method to avoid interference in the detection of profenofos by sensors.
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Affiliation(s)
- Guanjie Wang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Haowei Dong
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Jie Han
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Mei Zhang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Jingcheng Huang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Jiashuai Sun
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Fukai Guan
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Zhen Shen
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Deyan Xu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Xia Sun
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China
| | - Yemin Guo
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China.
| | - Shancang Zhao
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, No.266 Xincun Xilu, Zibo, Shandong 255049, China; Institute of Quality Standard and Testing Technology for Agro-Products, Shandong Academy of Agricultural Sciences, Jinan, Shandong 250100, China.
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32
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Development of a Lateral Flow Strip with a Positive Readout for the On-Site Detection of Aflatoxin B1. Molecules 2022; 27:molecules27154949. [PMID: 35956902 PMCID: PMC9370625 DOI: 10.3390/molecules27154949] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 11/20/2022] Open
Abstract
Aflatoxin B1 is one of the contamination indicators for food safety monitoring. The rapid and effective assessment and determination of AFB1 in food is of great importance to dietary safety. The lateral flow assay shows advantages in its simplicity, and rapidity, and provides a visual readout, while the available lateral flow assay for AFB1 requires a competitive format that produces readings inversely proportional to the AFB1 concentration, which is counterintuitive and may lead to a potential misinterpretation of the results. Herein, we developed a positive readout aptamer-based lateral flow strip (Apt-strip) for the detection of AFB1. This Apt-strip relies on the competition between AFB1 and fluorescein-labeled complementary DNA strands (FAM-cDNA) for affinity binding to limited aptamers against AFB1 (AFB1-Apt). In the absence of AFB1, AFB1-Apt hybridizes with FAM-cDNA. No signal at the T-line of the Apt-strip was observed. In contrast, AFB1-Apt binds to AFB1 in the sample, and then a part of the FAM-cDNA is hybridized with the free AFB1-Apt, at which time the other unreacted FAM-cDNA is captured by A35-Apt on the T-line. The signal was observed. This method achieved fast detection of AFB1 with a detection limit (DL) of 0.1 ng/mL, positive readout, and increased sensitivity.
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33
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Wu W, Xia S, Zhao M, Ping J, Lin JM, Hu Q. Colorimetric liquid crystal-based assay for the ultrasensitive detection of AFB1 assisted with rolling circle amplification. Anal Chim Acta 2022; 1220:340065. [DOI: 10.1016/j.aca.2022.340065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/28/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022]
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34
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Xiong X, Zhu P, Li S, Jiang Y, Ma Y, Shi Q, Zhang X, Shu X, Wang Z, Sun L, Han J. Electrochemical biosensor based on topological insulator Bi 2Se 3 tape electrode for HIV-1 DNA detection. Mikrochim Acta 2022; 189:285. [PMID: 35851426 DOI: 10.1007/s00604-022-05365-8] [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: 02/11/2022] [Accepted: 06/01/2022] [Indexed: 10/17/2022]
Abstract
A large-size Bi2Se3 tape electrode (BTE) was prepared by peeling off a 2 × 1 × 0.5 cm high-quality single crystal. The feasibility of using the flexible BTE as an efficient bioplatform to load Au nanoparticles and probe DNA for HIV-1 DNA electrochemical sensing was explored. Differential pulse voltammetry (DPV) and electrochemical impedance spectroscopy (EIS) show that the resultant biosensor has a wide linear range from 0.1 fM to 1 pM, a low detection limit of 50 aM, excellent selectivity, reproducibility and stability, and is superior to the pM DNA detection level of Pt-Au, graphene-AuNPs hybrid biosensors. This outstanding performance is attributed to the intrinsic surface state of Bi2Se3 topological insulator in facilitating electron transfer. Therefore, BTE electrochemical biosensor platform has great potential in the application for sensitive detection of DNA biomarkers.
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Affiliation(s)
- Xiaolu Xiong
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
| | - Peng Zhu
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
| | - Shanshan Li
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Yujiu Jiang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
| | - Yurong Ma
- School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 100081, China
| | - Qingfan Shi
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China
| | - Xu Zhang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China
| | - Xiaoming Shu
- Department of Rheumatology, China-Japan Friendship Hospital, Beijing, 100029, China
| | - Zhiwei Wang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China. .,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China.
| | - Linfeng Sun
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China.
| | - Junfeng Han
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing, 100081, China. .,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing, 314000, China.
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35
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Sameiyan E, Lavaee P, Ramezani M, Alibolandi M, Khoshbin Z, Abnous K, Taghdisi SM. A novel electrochemical method for the sensitive determination of aflatoxin B1 using a bivalent binding aptamer‐cDNA structure. ELECTROANAL 2022. [DOI: 10.1002/elan.202200243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Elham Sameiyan
- Mashhad University of Medical Sciences IRAN (THE ISLAMIC REPUBLIC OF)
| | | | | | - Mona Alibolandi
- Mashhad University of Medical Sciences IRAN (THE ISLAMIC REPUBLIC OF)
| | - Zahra Khoshbin
- Mashhad University of Medical Sciences IRAN (THE ISLAMIC REPUBLIC OF)
| | - Khalil Abnous
- mashhad university of medical science IRAN (THE ISLAMIC REPUBLIC OF)
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36
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Yu Y, Han J, Yin J, Huang J, Liu J, Geng L, Sun X, Zhao W. Dual-Target Electrochemical Sensor Based on 3D MoS2-rGO and Aptamer Functionalized Probes for Simultaneous Detection of Mycotoxins. Front Chem 2022; 10:932954. [PMID: 35836672 PMCID: PMC9274162 DOI: 10.3389/fchem.2022.932954] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Accepted: 06/10/2022] [Indexed: 12/03/2022] Open
Abstract
A dual-target aptamer functionalized probes (DTAFP) was applied for the detection of aflatoxin B1 (AFB1) and zearalenone (ZEN) simultaneously, which has not been reported. Meanwhile, two functional materials for signal amplification of the DTAFP were synthesized: 1) a three-dimensional molybdenum disulfide-reduced graphene oxide (MoS2-rGO) as a favorable loading interface; 2) a double-probes gold nanoparticles (AuNPs) modified by Thionin (Thi) and 6-(Ferrocenyl) hexanethiol (FC6S) as distinguishable and non-interfering signals. Mycotoxins on the electrode surface release into solution under the function of the DTAFP, leading a reduction of the differential peak impulse in signal response. Under the optimum conditions, the aptasensor exhibited a detection range of 1.0 pg mL−1–100 ng mL−1 for AFB1 and ZEN, with no observable cross reactivity. In addition, the aptasensor performed excellent stability, reproducibility, specificity, and favorable recovery in the detection of edible oil. This work demonstrated a novel method for the construction of a simple, rapid, and sensitive aptasensor in the detection of multiple mycotoxins simultaneously.
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Affiliation(s)
- Yanyang Yu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Jie Han
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Jiaqi Yin
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Jingcheng Huang
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Jing Liu
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Lingjun Geng
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Xia Sun
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
| | - Wenping Zhao
- School of Agricultural Engineering and Food Science, Shandong University of Technology, Zibo, China
- Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, Zibo, China
- Zibo City Key Laboratory of Agricultural Product Safety Traceability, Zibo, China
- *Correspondence: Wenping Zhao,
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37
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El-Moghazy AY, Wisuthiphaet N, Yang X, Sun G, Nitin N. Electrochemical biosensor based on genetically engineered bacteriophage T7 for rapid detection of Escherichia coli on fresh produce. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108811] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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38
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Electrochemical aptasensing for the detection of mycotoxins in food commodities. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02916-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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39
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Vijitvarasan P, Cheunkar S, Oaew S. A point-of-use lateral flow aptasensor for naked-eye detection of aflatoxin B1. Food Control 2022. [DOI: 10.1016/j.foodcont.2021.108767] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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40
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Jiang Y, Li S, Zhu P, Zhao J, Xiong X, Wu Y, Zhang X, Li Y, Song T, Xiao W, Wang Z, Han J. Electrochemical DNA Biosensors Based on the Intrinsic Topological Insulator BiSbTeSe 2 for Potential Application in HIV Determination. ACS APPLIED BIO MATERIALS 2022; 5:1084-1091. [PMID: 35157417 DOI: 10.1021/acsabm.1c01153] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In this work, we reported a sensitive, label-free electrochemical biosensor based on the intrinsic topological insulator (TI) BiSbTeSe2 for potential application in the determination of the HIV gene. With strong spin-obit coupling, TIs could have robust surface states with low electronic noise, which might be beneficial for the stable and sensitive electron transport between the electrode and electrolyte interface. Under optimized conditions of the biosensors using BiSbTeSe2, the differential pulse voltammetry (DPV) peak currents showed a linear relationship with the logarithm of target DNA concentrations ranging from 1.0 × 10-13 to 1.0 × 10-7 M, with a detection limit of 1.07 × 10-15 M. The sensing assay also displayed good selectivity and stability after storage at 4 °C for 7 days. This work provides an effective way to develop biosensors with topological materials, which have a potential application in the clinical determination and monitoring field.
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Affiliation(s)
- Yujiu Jiang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Shanshan Li
- Department of Rheumatology, China-Japan Friendship Hospital, 100029 Beijing, China
| | - Peng Zhu
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Jinge Zhao
- Key Laboratory of Medical Molecule Science and Pharmaceutics Engineering, Ministry of Industry and Information Technology, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Xiaolu Xiong
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Yetong Wu
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Xu Zhang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Yongkai Li
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Tinglu Song
- Experimental Centre of Advanced Materials School of Materials Science & Engineering, Beijing Institute of Technology, Beijing 100081, China
| | - Wende Xiao
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Zhiwei Wang
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
| | - Junfeng Han
- Centre for Quantum Physics, Key Laboratory of Advanced Optoelectronic Quantum Architecture and Measurement (MOE), School of Physics, Beijing Institute of Technology, Beijing 100081, China.,Yangtze Delta Region Academy of Beijing Institute of Technology, Jiaxing 314019, China.,Beijing Key Lab of Nanophotonics and Ultrafine Optoelectronic Systems, School of Physics, Beijing Institute of Technology, Beijing 100081, China
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41
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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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Dual-ratiometric electrochemical aptasensor enabled by programmable dynamic range: Application for threshold-based detection of aflatoxin B1. Biosens Bioelectron 2022; 195:113634. [PMID: 34571480 DOI: 10.1016/j.bios.2021.113634] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 08/22/2021] [Accepted: 09/12/2021] [Indexed: 12/11/2022]
Abstract
Aptamer-based sensor with high-specificity typically has a fixed linear range due to the host-guest binding. To expand the dynamic range for multiple scenarios, we report here a dual-ratiometric electrochemical aptasensor that integrates two aptamer profiles with varied affinity into a single sensing interface for aflatoxin B1 (AFB1) detection. Using functional aptamer as recognition element and generator of signals, we fabricate the dual-ratiometric aptasensor with anthraquinone loaded reduced graphene oxide (AQ-rGO), methylene blue labeled hairpin DNA (MB-DNA), and ferrocene labeled linear aptamer (Fc-apt), using MB and Fc probes to work in tandem while AQ as reference. The current of Fc (IFc) is used to detect the low-concentration analyte, and that of MB (IMB) varies when the concentration of AFB1 reaches a threshold. The threshold switch for IMB could be tuned by engineering the quantity ratio of Fc-apt and MB-DNA (a ratio of 1:1 is used here). The aptasensor can rapidly achieve the positive (+)/negative (-) detection of AFB1 with a threshold concentration of 10 pg mL-1, while the quantitative detection employs the ratio of current of AQ, MB, and Fc (i.e., IAQ/IMB and IAQ/IFc) as yardsticks, offering two linear ranges of 10-106 and 10-2-5 × 104 pg mL-1, respectively. The aptasensor is successfully used to monitor the amount of AFB1 in a 7-days mildew process of peanut. Such a protocol opens a new way for the design of sensors with the programmable linear range in the advanced biological and chemical sensing.
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43
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Wang P, Luo B, Liu K, Wang C, Dong H, Wang X, Hou P, Li A. A novel COOH–GO–COOH–MWNT/pDA/AuNPs based electrochemical aptasensor for detection of AFB 1. RSC Adv 2022; 12:27940-27947. [PMID: 36320289 PMCID: PMC9523761 DOI: 10.1039/d2ra03883h] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 09/25/2022] [Indexed: 11/24/2022] Open
Abstract
Aflatoxin B1 (AFB1), one of the most common mycotoxins in food matrixes, has been identified as the most toxic contaminant with mutagenic, teratogenic, immunosuppressive, and carcinogenic effects. In this study, an electrochemical aptamer sensor was developed for the on-site detection of AFB1. Carboxylated graphene oxide (COOH–GO) and carboxylated multi-walled carbon nanotubes (COOH–MWNT) nanocomposites, dopamine polymers (pDA) and gold nanoparticles (AuNPs) were used to enhance the electrochemical activity and the biocompatibility of the screen-printed electrodes (SPE). Once AFB1 was captured by the aptamer immobilized on the electrode surface, the redox current of [Fe(CN)6]3−/4− decreased. Therefore, the binding of aptamer (Apt) and AFB1 can be reflected by the change of the peak current. The as-prepared sensor showed a wide detection range of 0.1 fg ml−1–100 pg ml−1 and a low detection limit of 15.16 ag ml−1. It is also simple and low-cost, which shows great potential in practical application. A novel COOH–GO–COOH–MWNT/pDA/AuNPs based electrochemical aptasensor was developed for detection of AFB1.![]()
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Affiliation(s)
- Pengfei Wang
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
- College of Agricultural Engineering, Jiangsu University, Jiangsu 212000, China
| | - Bin Luo
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Ke Liu
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Cheng Wang
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Hongtu Dong
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Xiaodong Wang
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Peichen Hou
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
| | - Aixue Li
- Intelligent Equipment Research Center, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China
- College of Agricultural Engineering, Jiangsu University, Jiangsu 212000, China
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44
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Cao W, Yu P, Yang K, Cao D. Aflatoxin B1: metabolism, toxicology, and its involvement in oxidative stress and cancer development. Toxicol Mech Methods 2021; 32:395-419. [PMID: 34930097 DOI: 10.1080/15376516.2021.2021339] [Citation(s) in RCA: 61] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Aflatoxins are a class of carcinogenic mycotoxins produced by Aspergillus fungi, which are widely distributed in nature. Aflatoxin B1 (AFB1) is the most toxic of these compounds and its metabolites have a variety of biological activities, including acute toxicity, teratogenicity, mutagenicity and carcinogenicity, which has been well-characterized to lead to the development of hepatocellular carcinoma (HCC) in humans and animals. This review focuses on the metabolism of AFB1, including epoxidation and DNA adduction, as it concerns the initiation of cancer and the underlying mechanisms. In addition to DNA adduction, inflammation and oxidative stress caused by AFB1 can also participate in the occurrence of cancer. Therefore, the main carcinogenic mechanism of AFB1 related ROS is summarized. This review also describes recent reports of AFB1 exposures in occupational settings. It is hoped that people will pay more attention to occupational health, in order to reduce the incidence of cancer caused by occupational exposure.
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Affiliation(s)
- Weiya Cao
- Medical school, Anhui University of Science & Technology, Huainan 232001, China
| | - Pan Yu
- Medical school, Anhui University of Science & Technology, Huainan 232001, China
| | - KePeng Yang
- Medical school, Anhui University of Science & Technology, Huainan 232001, China
| | - Dongli Cao
- Medical school, Anhui University of Science & Technology, Huainan 232001, China
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45
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Hong F, Huang C, Wu L, Wang M, Chen Y, She Y. Highly sensitive magnetic relaxation sensing method for aflatoxin B1 detection based on Au NP-assisted triple self-assembly cascade signal amplification. Biosens Bioelectron 2021; 192:113489. [PMID: 34293688 DOI: 10.1016/j.bios.2021.113489] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 07/01/2021] [Accepted: 07/06/2021] [Indexed: 12/11/2022]
Abstract
Highly sensitive detection of aflatoxin B1 (AFB1) is of great significance because of its high toxicity and carcinogenesis. We propose a magnetic relaxation sensing method based on gold nanoparticles (Au NPs)-assisted triple self-assembly cascade signal amplification for highly sensitive detection of AFB1. Both AFB1 antibody and initiator DNA (iDNA) are labeled on Au NPs to form Ab-Au-iDNA probe. iDNA is enriched by Au NPs to achieve first signal amplification. Different amounts of Ab-Au-iDNA were bound with AFB1 antigen by indirect competitive immunoassay, and then hybridization chain reaction event was initiated by iDNA to produce long hybridization chain reaction products to enrich more horseradish peroxidase-streptavidin for the second signal amplification. Dopamine could be rapidly converted to polydopamine by HRP catalysis, which is used as the third signal amplification. The Fe3+ solution, providing paramagnetic ions with a strong magnetic signal, could be adsorbed by the polydopamine due to the formation of coordination bonds of phenolic hydroxyl groups with Fe3+. This effective interaction between polydopamine and Fe3+ significantly changes the transverse relaxation time signal of Fe3+ supernatant solution, which can be used as a magnetic probe for highly sensitive detection of AFB1. The sensor exhibited high specificity and sensitivity with a detection limit of 0.453 pg/mL owing to the Au NP-assisted triple self-assembly cascade signal amplification strategy. It has been successfully employed for AFB1 detection in animal feed samples with consistent results of enzyme linked immune sorbent assay and high-performance liquid chromatography.
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Affiliation(s)
- Feng Hong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China; Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Ministry of Education, Wuhan, China
| | - Chenxi Huang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China; Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Ministry of Education, Wuhan, China
| | - Long Wu
- College of Food Science and Engineering, Hainan University, Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou, Hainan, 570228, PR China
| | - Miao Wang
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Science/Key Laboratory of Agro-Products Quality and Safety of MOA, Beijing, 100081, PR China
| | - Yiping Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, 430070, Hubei, China; Key Laboratory of Environment Correlative Dietology, Huazhong Agricultural University, Ministry of Education, Wuhan, China.
| | - Yongxin She
- Institute of Quality Standard and Testing Technology for Agro-Products, Chinese Academy of Agricultural Science/Key Laboratory of Agro-Products Quality and Safety of MOA, Beijing, 100081, PR China.
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46
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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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47
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Wang R, Qin Y, Liu X, Li Y, Lin Z, Nie R, Shi Y, Huang H. Electrochemical Biosensor Based on Well-Dispersed Boron Nitride Colloidal Nanoparticles and DNA Aptamers for Ultrasensitive Detection of Carbendazim. ACS OMEGA 2021; 6:27405-27411. [PMID: 34693161 PMCID: PMC8529661 DOI: 10.1021/acsomega.1c04326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 09/20/2021] [Indexed: 05/27/2023]
Abstract
A selective electrochemical biosensor was developed for detecting carbendazim (CBZ) based on well-dispersed colloidal boron nitride (BN) nanocrystals and gold nanoparticles (Au NPs). BN was synthesized by "solvent cutting" to modify a glassy carbon electrode (GCE), and Au NPs were then electrodeposited. A single-stranded oligonucleotide with methylene blue (MB) was modified to the electrode surface through gold-sulfur bonds. A double-stranded DNA was formed in the presence of an aptamer. The aptamer chain can specifically bind to the target CBZ. When the aptamer binds to CBZ, the electroactive substance MB labeled at one end of the complementary chain can effectively contact the electrode surface. Detection of CBZ is realized by simultaneously monitoring the MB signal enhancement. The CBZ concentration was determined in a wide linearity range from 0.1 ng mL-1 to 100 μg mL-1, with a low detection limit of 0.019 ng mL-1. This biosensor exhibited excellent selectivity and acceptable repeatability and was applied in cucumber, kiwifruit, and water samples with good recoveries, demonstrating that the strategy has remarkable potential and offers a good platform for CBZ detection.
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Affiliation(s)
- Ruijie Wang
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
- Key Laboratory
of Watershed Geographic Sciences, Nanjing Institute of Geography and
Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Yuan Qin
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
- Key Laboratory
of Watershed Geographic Sciences, Nanjing Institute of Geography and
Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Xin Liu
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
| | - Yangzi Li
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
| | - Zhenfeng Lin
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
| | - Rong Nie
- School of Chemistry and Chemical Engineering, Lanzhou City University, Lanzhou 730070, China
| | - Yifei Shi
- Shaanxi Environment Investigation and Assessment Center, Xi’an 710054, China
| | - Huayu Huang
- Shaanxi Key Laboratory
of Earth Surface System and Environmental Carrying Capacity, College
of Urban and Environmental Science, Northwest
University, Xi’an 710127, China
- Key Laboratory
of Watershed Geographic Sciences, Nanjing Institute of Geography and
Limnology, Chinese Academy of Sciences, Nanjing 210008, China
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48
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Li R, Wen Y, Wang F, He P. Recent advances in immunoassays and biosensors for mycotoxins detection in feedstuffs and foods. J Anim Sci Biotechnol 2021; 12:108. [PMID: 34629116 PMCID: PMC8504128 DOI: 10.1186/s40104-021-00629-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Accepted: 08/08/2021] [Indexed: 12/22/2022] Open
Abstract
Mycotoxins are secondary metabolites produced by fungus. Many mycotoxin species are highly toxic and are frequently found in cereals and feedstuffs. So, powerful detection methods are vital and effective ways to prevent feed contamination. Traditional detection methods can no longer meet the needs of massive, real-time, simple, and fast mycotoxin monitoring. Rapid detection methods based on advanced material and sensor technology are the future trend. In this review, we highlight recent progress of mycotoxin rapid detection strategies in feedstuffs and foods, especially for simultaneous multiplex mycotoxin determination. Immunoassays, biosensors, and the prominent roles of nanomaterials are introduced. The principles of different types of recognition and signal transduction are explained, and the merits and pitfalls of these methods are compared. Furthermore, limitations and challenges of existing rapid sensing strategies and perspectives of future research are discussed.
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Affiliation(s)
- Runxian Li
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Yang Wen
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Fenglai Wang
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China
| | - Pingli He
- State Key Laboratory of Animal Nutrition, College of Animal Science and Technology, China Agricultural University, Beijing, 100193, China.
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Liu J, Zhou Y, Dong H, Li Q, Zhang Y, Xu M. Disposable Electrochemical Aptasensor for Ultrasensitive Determination of Aflatoxin B1 Using Copper Nanoparticles as Probes. ELECTROANAL 2021. [DOI: 10.1002/elan.202100176] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Jiaxiang Liu
- College of Environmental and Chemical Engineering Shanghai University of Electric Power Shanghai 20090 P. R. China
| | - Yanli Zhou
- Henan Key Laboratory of Biomolecular Recognition and Sensing College of Chemistry and Chemical Engineering Shangqiu Normal University Shangqiu 476000 P. R. China
| | - Hui Dong
- Henan Key Laboratory of Biomolecular Recognition and Sensing College of Chemistry and Chemical Engineering Shangqiu Normal University Shangqiu 476000 P. R. China
| | - Qiaoxia Li
- College of Environmental and Chemical Engineering Shanghai University of Electric Power Shanghai 20090 P. R. China
| | - Yintang Zhang
- Henan Key Laboratory of Biomolecular Recognition and Sensing College of Chemistry and Chemical Engineering Shangqiu Normal University Shangqiu 476000 P. R. China
| | - Maotian Xu
- Henan Key Laboratory of Biomolecular Recognition and Sensing College of Chemistry and Chemical Engineering Shangqiu Normal University Shangqiu 476000 P. R. China
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