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Liang YX, Wang YK, Meng WJ, Wang Q, Li JX, Huang WH, Xie M. Microfluidic Electrochemical Integrated Sensor for Efficient and Sensitive Detection of Candida albicans. Anal Chem 2024; 96:10013-10020. [PMID: 38836548 DOI: 10.1021/acs.analchem.4c01419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2024]
Abstract
Traditional methods for the detection of pathogenic bacteria are time-consuming, less efficient, and sensitive, which affects infection control and bungles illness. Therefore, developing a method to remedy these problems is very important in the clinic to diagnose the pathogenic diseases and guide the rational use of antibiotics. Here, microfluidic electrochemical integrated sensor (MEIS) has been investigated, functionally for rapid, efficient separation and sensitive detection of pathogenic bacteria. Three-dimensional macroporous PDMS and Au nanotube-based electrode are successfully assembled into the modeling microchip, playing the functions of "3D chaotic flow separator" and "electrochemical detector," respectively. The 3D chaotic flow separator enhances the turbulence of the fluid, achieving an excellent bacteria capture efficiency. Meanwhile, the electrochemical detector provides a quantitative signal through enzyme-linked immunoelectrochemistry with improved sensitivity. The microfluidic electrochemical integrated sensor could successfully isolate Candida albicans (C. albicans) in the range of 30-3,000,000 CFU in the saliva matrix with over 95% capture efficiency and sensitively detect C. albicans in 1 h in oral saliva samples. The integrated device demonstrates great potential in the diagnosis of oral candidiasis and is also applicable in the detection of other pathogenic bacteria.
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Affiliation(s)
- Ying-Xue Liang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Yi-Ke Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Wei-Jie Meng
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Qian Wang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Jia-Xin Li
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Wei-Hua Huang
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
| | - Min Xie
- College of Chemistry and Molecular Sciences, Wuhan University, Wuhan 430072, China
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2
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Yin B, Zhu H, Zeng S, Sohan ASMMF, Wan X, Liu J, Zhang P, Lin X. Chip-based automated equipment for dual-mode point-of-care testing foodborne pathogens. Biosens Bioelectron 2024; 257:116338. [PMID: 38677017 DOI: 10.1016/j.bios.2024.116338] [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: 01/28/2024] [Revised: 04/23/2024] [Accepted: 04/24/2024] [Indexed: 04/29/2024]
Abstract
Foodborne pathogens have a substantial bearing on food safety and environmental health. The development of automated, portable and compact devices is essential for the on-site and rapid point-of-care testing (POCT) of bacteria. Here, this work developed a micro-automated microfluidic device for detecting bacteria, such as Escherichia coli (E. coli) O157:H7, using a seashell-like microfluidic chip (SMC) as an analysis and mixing platform. The automated device integrates a colorimetric/fluorescent system for the metabolism of copper (Cu2+) by E. coli affecting o-phenylenediamine (OPD) for concentration analysis. A smartphone was used to read the RGB data of the chip reaction reservoir to detect colorimetric and fluorescence patterns in the concentration range of 102-106 CFU mL-1. The automated device overcomes the low efficiency and tedious steps of traditional detection and enables high-precision automated detection that can be applied to POCT in the field, providing an ideal solution for broadening the application of E. coli detection.
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Affiliation(s)
- Binfeng Yin
- School of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China.
| | - Haoyu Zhu
- School of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Shiyu Zeng
- School of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China
| | - A S M Muhtasim Fuad Sohan
- School of Electrical and Mechanical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia
| | - Xinhua Wan
- School of Mechanical Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Jun Liu
- Suqian Product Quality Supervision and Inspection Institute, Suqian, 223800, China
| | - Pan Zhang
- National Key Lab of MicroNanofabrication Technology, School of Integrated Circuits, Peking University, Beijing, 100871, China.
| | - Xiaodong Lin
- University of Macau Zhuhai UM Science and Technology Research Institute, Zhuhai, 519000, China.
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Wu W, Zhao Q, Zhang B. Viable Escherichia coli enumeration on a polydimethylsiloxane (PDMS) chip with vertical channel-well configuration. Mikrochim Acta 2024; 191:241. [PMID: 38573377 DOI: 10.1007/s00604-024-06338-9] [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: 10/02/2023] [Accepted: 03/26/2024] [Indexed: 04/05/2024]
Abstract
The culture-based methods for viable Escherichia coli (E. coli) detection suffer from long detection time and laborious procedures, whereas the molecule tests and immune recognition technologies lack live/dead E. coli differentiation. Rapid, easy-to-use, and accessible viable E. coli detection is of benefit to bacterial infection diagnosis and risk warning of E. coli contamination of water and food, safeguarding human health. Herein, we propose a microwell chip-based solution to realize simple and rapid determination of viable E. coli. The vertical channel-well configuration is applied to develop the microwell array chip for increasing the microwell density (6200 wells/cm2), yielding a broad dynamic range from 103 to 107 CFU/mL. We incorporate an inducible enzyme assay with the developed chip and achieve the differentiation of live/dead E. coli within 4 h, significantly shortening the detection time from over 24 h in the standard method. By encapsulating single E. coli into microwells, the concentration of viable cells can be determined simultaneously through counting positive microwells. In addition, the air soluble PDMS that can store negative pressure for independent sample digitalization endows the developed chip with simple operation and less reliance on external equipment. With further developments for increasing the number of microwell and integrating more sample panels, the developed chip can become a useful tool for rapid viable E. coli enumeration with user-friendly operation, simple procedures, and accessibility in decentralized settings, thereby deploying this device for water and food safety monitoring, as well as clinical bacterial infection diagnosis.
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Affiliation(s)
- Wenshuai Wu
- Department of Nutrition and Food Hygiene, School of Public Health, Southeast University, Nanjing, 210009, China
- Research Center for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, 310027, China
| | - Qianbin Zhao
- Center of Health Science and Engineering, Hebei Key Laboratory of Biomaterials and Smart Theranostics, Hebei University of Technology, Tianjin, 300131, China
| | - Boran Zhang
- State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Hohai University, Nanjing, 210098, China.
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4
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Moon YJ, Lee SY, Kim U, Oh SW. Naked-eye detection with loop-mediated isothermal amplification for P. carotovorum subsp. carotovorum in agricultural products. Food Sci Biotechnol 2024; 33:203-209. [PMID: 38186613 PMCID: PMC10766909 DOI: 10.1007/s10068-023-01315-z] [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: 02/02/2023] [Revised: 04/04/2023] [Accepted: 04/17/2023] [Indexed: 01/09/2024] Open
Abstract
Pectobacterium carotovorum causing soft-rot disease requires on-site detection before the distribution of agricultural products. Loop-mediated isothermal amplification (LAMP), which is resistant to food inhibitors, is known for its high detection sensitivity for pathogens and when coupled with lateral flow immunoassay (LFA) enables visualizations. For detection of soft-rot disease, we developed a LAMP-LFA system targeting 16S ribosomal RNA, a partial sequence gene of P. carotovorum subsp. carotovorum. The LAMP-LFA was performed at 60 °C for 50 min followed by hybridization of digoxygenin-labeled LAMP amplicon and biotinylated probe. Detection sensitivity was 3.22 × 101 CFU/mL in pure culture, which specifically detected the target. In Chinese cabbage and potato, the target was detected up to low levels of 1.57 × 102 CFU/g and 1.29 × 102 CFU/g, respectively. This study showed potential applicability as a sensitive point-of-care system for soft-rot disease bacteria detection in agricultural products. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-023-01315-z.
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Affiliation(s)
- Ye-Ji Moon
- Department of Food and Nutrition, Kookmin University, Seoul, 02727 Republic of Korea
| | - So-Young Lee
- Department of Food and Nutrition, Kookmin University, Seoul, 02727 Republic of Korea
| | - Unji Kim
- Department of Food and Nutrition, Kookmin University, Seoul, 02727 Republic of Korea
| | - Se-Wook Oh
- Department of Food and Nutrition, Kookmin University, Seoul, 02727 Republic of Korea
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Zhang D, Lin H, Chen L, Wu Y, Xie J, Shi X, Guo Z. Cluster-bomb type magnetic biosensor for ultrasensitive detection of Vibrio parahaemolyticus based on low field nuclear magnetic resonance. Anal Chim Acta 2023; 1248:340906. [PMID: 36813458 DOI: 10.1016/j.aca.2023.340906] [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: 11/26/2022] [Revised: 01/19/2023] [Accepted: 01/28/2023] [Indexed: 02/04/2023]
Abstract
Herein, a novel cluster-bomb type signal sensing and amplification strategy in low field nuclear magnetic resonance was proposed, and a magnetic biosensor for ultrasensitive homogeneous immunoassay of Vibrio parahaemolyticus (VP) was developed. The capture unit MGO@Ab was magnetic graphene oxide (MGO) immobilized by VP antibody (Ab) to capture VP. And, the signal unit PS@Gd-CQDs@Ab was polystyrene (PS) pellets covered by Ab to recognize VP and Gd-CQDs i.e. carbon quantum dots (CQDs) containing lots of magnetic signal labels Gd3+. In presence of VP, the immunocomplex signal unit-VP-capture unit could be formed and separated by magnetic force conveniently from the sample matrix. With the successive introduction of disulfide threitol and hydrochloric acid, signal units were cleaved and disintegrated, resulting in a homogeneous dispersion of Gd3+. Thus, cluster-bomb type dual signal amplification was achieved through increasing the amount and the dispersity of signal labels simultaneously. Under optimal experimental conditions, VP could be detected in the concentration range of 5-1.0 × 106 CFU/mL, with a limit of quantitation (LOQ) 4 CFU/mL. In addition, satisfactory selectivity, stability and reliability could be obtained. Therefore, this cluster-bomb type signal sensing and amplification strategy is powerful in designing magnetic biosensor and detecting pathogenic bacteria.
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Affiliation(s)
- Dongyu Zhang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, 315211, PR China
| | - Han Lin
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, 315211, PR China
| | - Le Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, 315211, PR China
| | - Yangbo Wu
- Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, 315211, PR China
| | - Jianjun Xie
- Faculty of Electrical Engineering and Computer Science, Ningbo University, Ningbo, 315211, PR China
| | - Xizhi Shi
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Marine Science, Ningbo University, Ningbo, 315211, PR China
| | - Zhiyong Guo
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, School of Material Science and Chemical Engineering, Ningbo University, Ningbo, 315211, PR China.
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6
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Gao D, Ma Z, Jiang Y. Recent advances in microfluidic devices for foodborne pathogens detection. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Das D, Lin CW, Chuang HS. LAMP-Based Point-of-Care Biosensors for Rapid Pathogen Detection. BIOSENSORS 2022; 12:bios12121068. [PMID: 36551035 PMCID: PMC9775414 DOI: 10.3390/bios12121068] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 11/20/2022] [Accepted: 11/21/2022] [Indexed: 06/01/2023]
Abstract
Seeking optimized infectious pathogen detection tools is of primary importance to lessen the spread of infections, allowing prompt medical attention for the infected. Among nucleic-acid-based sensing techniques, loop-mediated isothermal amplification is a promising method, as it provides rapid, sensitive, and specific detection of microbial and viral pathogens and has enormous potential to transform current point-of-care molecular diagnostics. In this review, the advances in LAMP-based point-of-care diagnostics assays developed during the past few years for rapid and sensitive detection of infectious pathogens are outlined. The numerous detection methods of LAMP-based biosensors are discussed in an end-point and real-time manner with ideal examples. We also summarize the trends in LAMP-on-a-chip modalities, such as classical microfluidic, paper-based, and digital LAMP, with their merits and limitations. Finally, we provide our opinion on the future improvement of on-chip LAMP methods. This review serves as an overview of recent breakthroughs in the LAMP approach and their potential for use in the diagnosis of existing and emerging diseases.
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Affiliation(s)
- Dhrubajyoti Das
- Department of Biomedical Engineering, National Cheng Kung University, Tainan 701, Taiwan
| | - Cheng-Wen Lin
- Department of Medical Laboratory Science and Biotechnology, China Medical University, Taichung 404, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Asia University, Wufeng, Taichung 413, Taiwan
| | - Han-Sheng Chuang
- Department of Biomedical Engineering, National Cheng Kung University, Tainan 701, Taiwan
- Medical Device Innovation Center, National Cheng Kung University, Tainan 701, Taiwan
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8
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Recent Progress and Challenges on the Microfluidic Assay of Pathogenic Bacteria Using Biosensor Technology. Biomimetics (Basel) 2022; 7:biomimetics7040175. [PMID: 36412703 PMCID: PMC9680295 DOI: 10.3390/biomimetics7040175] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/16/2022] [Accepted: 10/24/2022] [Indexed: 12/14/2022] Open
Abstract
Microfluidic technology is one of the new technologies that has been able to take advantage of the specific properties of micro and nanoliters, and by reducing the costs and duration of tests, it has been widely used in research and treatment in biology and medicine. Different materials are often processed into miniaturized chips containing channels and chambers within the microscale range. This review (containing 117 references) demonstrates the significance and application of nanofluidic biosensing of various pathogenic bacteria. The microfluidic application devices integrated with bioreceptors and advanced nanomaterials, including hyperbranched nano-polymers, carbon-based nanomaterials, hydrogels, and noble metal, was also investigated. In the present review, microfluid methods for the sensitive and selective recognition of photogenic bacteria in various biological matrices are surveyed. Further, the advantages and limitations of recognition methods on the performance and efficiency of microfluidic-based biosensing of photogenic bacteria are critically investigated. Finally, the future perspectives, research opportunities, potential, and prospects on the diagnosis of disease related to pathogenic bacteria based on microfluidic analysis of photogenic bacteria are provided.
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9
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Zhong ZT, He YF, Tang YJ, Ashraf G, Yang H, Chen W, Liu B, Wang GP, Zhao YD. Terminal deoxynucleotidyl transferase associated with split G-quadruplex/hemin deoxyribozyme amplification detection for various contaminants in milk based on pregnancy test strip platform. Biosens Bioelectron 2022; 216:114644. [PMID: 36007409 DOI: 10.1016/j.bios.2022.114644] [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: 05/03/2022] [Revised: 08/03/2022] [Accepted: 08/16/2022] [Indexed: 11/02/2022]
Abstract
Contaminant residue analysis in milk can provide essential assistance for safety quality and contamination level management of milk production, which is critical for safeguarding public health. In this study, the pregnancy test strip is employed to achieve multiple analytes detection based on the specific recognition of aptamer and terminal deoxynucleotidyl transferase associated with split G-quadruplex/hemin deoxyribozyme system. Through the subsequent enzyme catalyzed reaction, the detection signal can be further amplified to improve the sensitivity. The method does not need to assemble test strip, prepare and purify antibodies/haptens, nor design complex probe sequences. By coupling human chorionic gonadotrophin with DNA probes and combining magnetic separation technology, the targets can be determined via the test strip. Under the optimized conditions, the visual detection limits for mercury ion, bisphenol A, and penicillin are 1, 0.1 and 0.05 nM, respectively. The detection results show that the method displays good accuracy and practicability in spiked milk sample. The method presents a simple scheme, low cost as well as good design versatility, which demonstrates great application prospect for the sensitive, low-cost, and convenient detection of food matrices.
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Affiliation(s)
- Zi-Tao Zhong
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Yan-Fei He
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Yuan-Ju Tang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Ghazala Ashraf
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Huai Yang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Wei Chen
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Bo Liu
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China
| | - Guo-Ping Wang
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China.
| | - Yuan-Di Zhao
- Britton Chance Center for Biomedical Photonics at Wuhan National Laboratory for Optoelectronics - Hubei Bioinformatics & Molecular Imaging Key Laboratory, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China; Key Laboratory of Biomedical Photonics (HUST), Ministry of Education, Huazhong University of Science and Technology, Wuhan, 430074, Hubei, PR China.
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10
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Fu Y, Wei J, Yao S, Zhang L, Zhang M, Zhuang X, Zhao C, Li J, Pang B. Rapid qualitative and quantitative detection of Salmonella typhimurium using a single-step dual photometric/fluorometric assay. Mikrochim Acta 2022; 189:218. [PMID: 35546375 DOI: 10.1007/s00604-022-05312-7] [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: 01/03/2022] [Accepted: 04/18/2022] [Indexed: 10/18/2022]
Abstract
A dual-signal photometric/fluorometric assay was established for rapid, qualitative, and quantitative detection of Salmonella typhimurium (S. typhimurium). This method was composed of two parts: (1) a single-step photometric (SSC) assay containing gold nanoparticles (AuNPs), poly-diallyldimethylammonium chloride (PDDA), and S. typhimurium-specific aptamer, and (2) a fluorescence (FL) assay containing carboxyl-modified CdSe/ZnS quantum dots (QDs-COOH). Users just need to drop samples contaminated with S. typhimurium into SSC assay; the apparent color change from red to blue can be observed in a short time (20 min). A smartphone app was developed to read the semiquantitative result. By subsequently adding one drop of FL assay into the reaction mixture, the generated fluorescence intensity reflected the concentration of S. typhimurium. The naked eye limit of detection (LOD) and fluorescent LOD were 103 cfu/mL and 10 cfu/mL, respectively. This method exhibited good selectivity. The reliability and practicability were verified by testing contaminated food, drinking water, and pets' urine.
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Affiliation(s)
- Yanli Fu
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China
| | - Jia Wei
- Department of Thyroid Surgery, the First Hospital of Jilin University, Changchun, 130021, People's Republic of China
| | - Shuo Yao
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China
| | - Liang Zhang
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China
| | - Mingrui Zhang
- Department of Dermatology, the Second Hospital of Jilin University, Changchun, 130000, People's Republic of China
| | - Xiangyang Zhuang
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China
| | - Chao Zhao
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China.
| | - Juan Li
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China.
| | - Bo Pang
- School of Public Health, Jilin University, Changchun, 130021, People's Republic of China.
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11
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Zhang F, Gao C, Bai L, Chen Y, Liang S, Lv X, Sun J, Wang S. Dual-color blending based visual LAMP for food allergen detection: A strategy with enlarged color variation range and contrast. Food Chem X 2022; 13:100201. [PMID: 35498982 PMCID: PMC9039889 DOI: 10.1016/j.fochx.2021.100201] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 12/27/2021] [Accepted: 12/30/2021] [Indexed: 02/07/2023] Open
Abstract
A near contrast color change was obtained by blending HNB and CR colorimetric LAMP detection process. The sensitivity of the dual-color blending method was comparable to the real-time LAMP. The ratio between the two visual dyes in the dual-color blending method is crucial. The reaction is conducted in one tube and no lid-opening was needed.
Food allergy has been a serious public health problem around the world. Its prevention relies heavily on the effective avoidance of any contaminated food, making clear and accurate detection very important. LAMP is one of the most potent methods for allergen rapid detection. However, its current colorimetric readouts usually have low color contrast and narrow color variation range. Thus, here we proposed a strategy based on color evolution to enlarge the variation range as well as the contrast to improve its suitability for naked-eye observation. By simply blending two commonly used color change processes during amplification, a wider color variation window, and a near contrast color change, purple-to-green with a hues difference of 10 were obtained. Three important allergens (walnuts, hazelnuts, and peanuts) were tested with a comparable sensitivity towards fluorescent real-time LAMP. Its feasibility for practical use has also been studied. This simple but effective strategy provides a new idea for the colorimetric detection of LAMP amplicons and can be applied to various fields.
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Affiliation(s)
- Fang Zhang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Chenshan Gao
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China.,Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Linlin Bai
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Yiquan Chen
- Clinical Laboratory, Nanan Hospital, Nanan 362300, China
| | - Shuying Liang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Xucong Lv
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
| | - Jinyuan Sun
- Beijing Laboratory of Food Quality and Safety, Beijing Technology and Business University, Beijing 100048, China
| | - Shaoyun Wang
- College of Biological Science and Engineering, Fuzhou University, Fuzhou 350108, China
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12
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A colorimetric sensor for Staphylococcus aureus detection based on controlled click chemical-induced aggregation of gold nanoparticles and immunomagnetic separation. Mikrochim Acta 2022; 189:104. [DOI: 10.1007/s00604-022-05211-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 01/30/2022] [Indexed: 11/26/2022]
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13
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Yang L, Yi W, Sun F, Xu M, Zeng Z, Bi X, Dong J, Xie Y, Li M. Application of Lab-on-Chip for Detection of Microbial Nucleic Acid in Food and Environment. Front Microbiol 2021; 12:765375. [PMID: 34803990 PMCID: PMC8600318 DOI: 10.3389/fmicb.2021.765375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/08/2021] [Indexed: 12/26/2022] Open
Abstract
Various diseases caused by food-borne or environmental pathogenic microorganisms have been a persistent threat to public health and global economies. It is necessary to regularly detect microorganisms in food and environment to prevent infection of pathogenic microorganisms. However, most traditional detection methods are expensive, time-consuming, and unfeasible in practice in the absence of sophisticated instruments and trained operators. Point-of-care testing (POCT) can be used to detect microorganisms rapidly on site and greatly improve the efficiency of microbial detection. Lab-on-chip (LOC) is an emerging POCT technology with great potential by integrating most of the experimental steps carried out in the laboratory into a single monolithic device. This review will primarily focus on principles and techniques of LOC for detection of microbial nucleic acid in food and environment, including sample preparation, nucleic acid amplification and sample detection.
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Affiliation(s)
- Liu Yang
- Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Wei Yi
- Department of Gynecology and Obstetrics, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Fangfang Sun
- Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Mengjiao Xu
- Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Zhan Zeng
- Department of Hepatology Division 2, Peking University Ditan Teaching Hospital, Beijing, China
| | - Xiaoyue Bi
- Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, China
| | - Jianping Dong
- Department of Infectious Diseases, Haidian Hospital, Beijing Haidian Section of Peking University Third Hospital, Beijing, China
| | - Yao Xie
- Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, China.,Department of Hepatology Division 2, Peking University Ditan Teaching Hospital, Beijing, China
| | - Minghui Li
- Department of Hepatology Division 2, Beijing Ditan Hospital, Capital Medical University, Beijing, China.,Department of Hepatology Division 2, Peking University Ditan Teaching Hospital, Beijing, China
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14
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Liu Q, Zhang A, Wang R, Zhang Q, Cui D. A Review on Metal- and Metal Oxide-Based Nanozymes: Properties, Mechanisms, and Applications. NANO-MICRO LETTERS 2021; 13:154. [PMID: 34241715 PMCID: PMC8271064 DOI: 10.1007/s40820-021-00674-8] [Citation(s) in RCA: 169] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 05/31/2021] [Indexed: 05/19/2023]
Abstract
Since the ferromagnetic (Fe3O4) nanoparticles were firstly reported to exert enzyme-like activity in 2007, extensive research progress in nanozymes has been made with deep investigation of diverse nanozymes and rapid development of related nanotechnologies. As promising alternatives for natural enzymes, nanozymes have broadened the way toward clinical medicine, food safety, environmental monitoring, and chemical production. The past decade has witnessed the rapid development of metal- and metal oxide-based nanozymes owing to their remarkable physicochemical properties in parallel with low cost, high stability, and easy storage. It is widely known that the deep study of catalytic activities and mechanism sheds significant influence on the applications of nanozymes. This review digs into the characteristics and intrinsic properties of metal- and metal oxide-based nanozymes, especially emphasizing their catalytic mechanism and recent applications in biological analysis, relieving inflammation, antibacterial, and cancer therapy. We also conclude the present challenges and provide insights into the future research of nanozymes constituted of metal and metal oxide nanomaterials.
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Affiliation(s)
- Qianwen Liu
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Amin Zhang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China.
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China.
| | - Ruhao Wang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Qian Zhang
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China
| | - Daxiang Cui
- Institute of Nano Biomedicine and Engineering, Shanghai Engineering Research Center for Intelligent Diagnosis and Treatment Instrument, Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, 800 Dongchuan RD, Shanghai, 200240, People's Republic of China.
- Institute of Nano Biomedicine, National Engineering Research Center for Nanotechnology, 28 Jiangchuan Easternroad, Shanghai, 200241, People's Republic of China.
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15
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Liu J, Xie G, Xiong Q, Liang T, Xu H. Sensitive dual readout assays based on rolling circle amplification for fluorescent and colorimetric detection of Cronobacter spp. in powdered infant formula. Food Control 2021. [DOI: 10.1016/j.foodcont.2020.107840] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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16
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Han X, Liu Y, Yin J, Yue M, Mu Y. Microfluidic devices for multiplexed detection of foodborne pathogens. Food Res Int 2021; 143:110246. [PMID: 33992358 DOI: 10.1016/j.foodres.2021.110246] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 02/02/2021] [Accepted: 02/16/2021] [Indexed: 01/10/2023]
Abstract
The global burden of foodborne diseases is substantial and foodborne pathogens are the major cause for human illnesses. In order to prevent the spread of foodborne pathogens, detection methods are constantly being updated towards rapid, portable, inexpensive, and multiplexed on-site detection. Due to the nature of the small size and low volume, microfluidics has been applied to rapid, time-saving, sensitive, and portable devices to meet the requirements of on-site detection. Simultaneous detection of multiple pathogens is another key parameter to ensure food safety. Multiplexed detection technology, including microfluidic chip design, offers a new opportunity to achieve this goal. In this review, we introduced several sample preparation and corresponding detection methods on microfluidic devices for multiplexed detection of foodborne pathogens. In the sample preparation section, methods of cell capture and enrichment, as well as nucleic acid sample preparation, were described in detail, and in the section of detection methods, amplification, immunoassay, surface plasmon resonance and impedance spectroscopy were exhaustively illustrated. The limitations and advantages of all available experimental options were also summarized and discussed in order to form a comprehensive understanding of cutting-edge technologies and provide a comparative assessment for future investigation and in-field application.
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Affiliation(s)
- Xiaoying Han
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310023, PR China; College of Life Sciences, Zhejiang University, Hangzhou 310058, PR China
| | - Yuanhui Liu
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310023, PR China; College of Life Sciences, Zhejiang University, Hangzhou 310058, PR China
| | - Juxin Yin
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310023, PR China
| | - Min Yue
- Department of Veterinary Medicine & Institute of Preventive Veterinary Sciences, Zhejiang University College of Animal Sciences, Hangzhou 310058, PR China; State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, National Clinical Research Center for Infectious Diseases, National Medical Center for Infectious Diseases, The First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou 310003, PR China; Hainan Institute of Zhejiang University, Sanya 572025, PR China.
| | - Ying Mu
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou 310023, PR China.
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17
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Huang T, Li L, Liu X, Chen Q, Fang X, Kong J, Draz MS, Cao H. Loop-mediated isothermal amplification technique: principle, development and wide application in food safety. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:5551-5561. [PMID: 33216073 DOI: 10.1039/d0ay01768j] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Food safety is a major and enduring challenge and has a profound impact on the quality of human life. Loop-mediated isothermal amplification (LAMP) is a relatively novel gene amplification method under isothermal conditions with rapidity, simplicity and high specificity. This review will describe the principles and development of the LAMP technique along with its advantages and disadvantages, such as LAMP integrated on classical microfluidic chips, paper-chips, electrochemical devices, nanomaterials and digital devices. Moreover, we will systematically and comprehensively review its applications in the field of food safety, such as in the detection of foodborne pathogens, allergens and organophosphorus pesticides and genetically modified organisms; finally its development trends in food safety will be discussed.
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Affiliation(s)
- Tianzeng Huang
- College of Food Science and Technology, Hainan University, 58 Renmin Avenue, Haikou 570228, China.
| | - Linzhi Li
- College of Food Science and Technology, Hainan University, 58 Renmin Avenue, Haikou 570228, China.
| | - Xing Liu
- College of Food Science and Technology, Hainan University, 58 Renmin Avenue, Haikou 570228, China. and Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou, 570228, China and Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Haikou 570228, China and Hainan Provincial Engineering Research Center of Aquatic Resources Efficient Utilization in the South China Sea, Haikou 570228, China
| | - Qi Chen
- College of Food Science and Technology, Hainan University, 58 Renmin Avenue, Haikou 570228, China. and Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou, 570228, China and Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Haikou 570228, China and Hainan Provincial Engineering Research Center of Aquatic Resources Efficient Utilization in the South China Sea, Haikou 570228, China
| | - Xueen Fang
- Department of Chemistry, Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, P. R. China
| | - Jilie Kong
- Department of Chemistry, Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, P. R. China
| | - Mohamed S Draz
- Department of Chemistry and Chemical Biology, Harvard University, Cambridge, MA 02138, USA and Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Hongmei Cao
- College of Food Science and Technology, Hainan University, 58 Renmin Avenue, Haikou 570228, China. and Key Laboratory of Food Nutrition and Functional Food of Hainan Province, Haikou, 570228, China and Engineering Research Center of Utilization of Tropical Polysaccharide Resources, Haikou 570228, China and Hainan Provincial Engineering Research Center of Aquatic Resources Efficient Utilization in the South China Sea, Haikou 570228, China
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18
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Lei S, Gu X, Xue W, Rong Z, Wang Z, Chen S, Zhong Q. A 4-plex Droplet Digital PCR Method for Simultaneous Quantification and Differentiation of Pathogenic and Non-pathogenic Vibrio parahaemolyticus Based on Single Intact Cells. Front Microbiol 2020; 11:1727. [PMID: 32903334 PMCID: PMC7434843 DOI: 10.3389/fmicb.2020.01727] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/01/2020] [Indexed: 01/17/2023] Open
Abstract
Vibrio parahaemolyticus is a significant seafood-borne pathogen, leading to serious acute gastrointestinal diseases worldwide. In this study, a reliable 4-plex droplet digital PCR (ddPCR) was successfully established and evaluated for the simultaneous detection of V. parahaemolyticus based on tlh, tdh, ureR, and orf8 in food samples using single intact cells. The targets tlh and ureR were labeled with 6-Carboxyfluorescein (FAM), and the targets tdh and orf8 were labeled with 5’-Hexachlorofluorescein (HEX). Due to reasonable proration of primers and probes corresponding into the two fluorescence channels of the ddPCR detecting platforms, the clearly separated 16 (24) clusters based on fluorescence amplitude were obtained. For better results, the sample hot lysis time and the cycle number were optimized. The results showed that the minimum number of “rain” and maximum fluorescence amplification were presented for precise detection in the condition of 25 min of the sample hot lysis time and 55 cycles. The sensitivity of this 4-plex ddPCR assay was 39 CFU/mL, which was in accordance with that of the conventional plate counting and was 10-fold sensitive than that of qPCR. In conclusion, the 4-plex ddPCR assay presented in this paper was a rapid, specific, sensitive, and accurate tool for the detection of V. parahaemolyticus including pandemic group strains and could be applied in the differentiation of V. parahaemolyticus in a wide variety of samples.
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Affiliation(s)
- Shuwen Lei
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory of Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, China
| | - Xiaokui Gu
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, China.,Guangdong Shunde Innovative Design Institute, Foshan, China
| | - Wei Xue
- Key Laboratory of Biomaterials of Guangdong Higher Education Institutes, Department of Biomedical Engineering, Jinan University, Guangzhou, China
| | - Zhangquan Rong
- Guangdong Shunde Innovative Design Institute, Foshan, China
| | - Zhe Wang
- Guangdong Shunde Innovative Design Institute, Foshan, China
| | - Song Chen
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China
| | - Qingping Zhong
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou, China.,Guangdong Laboratory of Lingnan Modern Agriculture, South China Agricultural University, Guangzhou, China
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19
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Wang W, Tan L, Wu J, Li T, Xie H, Wu D, Gan N. A universal signal-on electrochemical assay for rapid on-site quantitation of vibrio parahaemolyticus using aptamer modified magnetic metal-organic framework and phenylboronic acid-ferrocene co-immobilized nanolabel. Anal Chim Acta 2020; 1133:128-136. [PMID: 32993865 DOI: 10.1016/j.aca.2020.08.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 08/02/2020] [Accepted: 08/04/2020] [Indexed: 10/23/2022]
Abstract
Sensitive and rapid detection of pathogenic bacteria remains important and challenging for food safety and preventing outbreaks of foodborne disease. The major limitations of standard analytical methods for detecting vibrio parahaemolyticus (V.P) lie in their bulky equipment and tedious and long-time operation. This study presents an electrochemical aptasensor for the rapid on-site quantification of V.P in seafood. Magnetic nanoscale metal-organic frameworks (Fe3O4@NMOF) labeled with an aptamer against V.P served as capture probes, while gold nanoparticles combined with phenylboronic acid and ferrocene acted as the nanolabels. When detecting V.P, the sandwich-type complex of capture probe-V.P-nanolabel was formed and magnetically attached to a screen-printed electrode (SPE) for signal measurement. Under optimal conditions, the increase in the ferrocene electrochemical signals could assess the V.P amount; the quantified concentration range was 10-109 cfu/mL. Then, the developed signal-on sensor successfully detected V.P in real seafood samples, exhibiting many advantages. It could not only specifically enrich and rapidly separate the V.P in complex samples but also largely amplify the signal. Moreover, using compact SPE with a detection time of maximum 20 min as the measurement platform allows rapid on-site assays. Thus, the proposed method is a feasible strategy for screening V.P in seafood.
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Affiliation(s)
- Wenhai Wang
- Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang Province, 315211, China
| | - Lei Tan
- Guangzhou Center for Disease Control and Prevention, Guangzhou, 510440, China
| | - Jiayi Wu
- Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang Province, 315211, China
| | - Tianhua Li
- Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang Province, 315211, China.
| | - Hongzhen Xie
- Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang Province, 315211, China
| | - Dazhen Wu
- Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang Province, 315211, China
| | - Ning Gan
- Faculty of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang Province, 315211, China.
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20
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Jin Z, Ding G, Yang G, Li G, Zhang W, Yang L, Li W. Rapid detection of antibiotic resistance genes in lactic acid bacteria using PMMA-based microreactor arrays. Appl Microbiol Biotechnol 2020; 104:6375-6383. [PMID: 32488313 DOI: 10.1007/s00253-020-10699-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 05/18/2020] [Accepted: 05/24/2020] [Indexed: 12/25/2022]
Abstract
The emergence of lactic acid bacteria (LABs) resistant to existing antimicrobial drugs is a growing health crisis. To decrease the overuse of antibiotics, molecular diagnostic systems that can rapidly determine the presence of antibiotic resistance (AR) genes in LABs from yogurt samples are needed. This paper describes a fully integrated, miniaturized plastic chip and closed-tube detection chemistry that performs multiplex nucleic acid amplification. High-throughput identification of AR genes was achieved through this approach, and six AR genes were analyzed simultaneously in < 2 h. This time-to-result included the time required for the extraction of DNA. The detection limit of the chip was 103 CFU mL-1, which was consistent with that of tube LAMP. We detected and identified multiple DNAs, including streptomycin, tetracycline, and vancomycin resistance-associated genes, with complete concordance to the Kirby-Bauer disk diffusion method.Key Points• A miniaturized chip was presented, and multiplex nucleic acid amplification was performed.• The device can be integrated with LAMP for rapid detection of antibiotic resistance genes.• The approach had a high throughput of AR gene analysis in lactic acid bacteria.
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Affiliation(s)
- Zengjun Jin
- School of Medicine, Hebei University of Engineering, Handan, 056000, Hebei Province, China
| | - Guotao Ding
- Handan Municipal Centre for Disease Control and Prevention, Handan, 056000, Hebei Province, China
| | - Guoxing Yang
- Handan Municipal Centre for Disease Control and Prevention, Handan, 056000, Hebei Province, China
| | - Guiying Li
- School of Medicine, Hebei University of Engineering, Handan, 056000, Hebei Province, China
| | - Wei Zhang
- College of Life Sciences, Hebei Agricultural University, Baoding, 071001, China
| | - Lixin Yang
- Hebei Centre for Disease Control and Prevention, Shijiazhuang, 050021, Hebei Province, China
| | - Weihao Li
- Handan Municipal Centre for Disease Control and Prevention, Handan, 056000, Hebei Province, China.
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21
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Ding G, Jin Z, Zhang Y, Han Y, Li G, Jing Y, Li W. Detection of Genetically Modified Rice by Loop-Mediated Isothermal Amplification Assays on a Self-Priming Compartmentalization Chip. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-020-01766-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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22
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Rapid visual detection of Vibrio parahaemolyticus in seafood samples by loop-mediated isothermal amplification with hydroxynaphthol blue dye. World J Microbiol Biotechnol 2020; 36:76. [PMID: 32390085 DOI: 10.1007/s11274-020-02851-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2019] [Accepted: 05/04/2020] [Indexed: 10/24/2022]
Abstract
The detection and monitoring of Vibrio parahaemolyticus pathogen in aquatic foods have become essential for preventing outbreaks. In this study, loop-mediated isothermal amplification (LAMP) assay with the azo dye, hydroxynaphthol blue (HNB) was developed targeting species-specific tlh gene. The assay was carried out on 62 seafood samples that included clam and shrimp and compared with conventional LAMP assay performed with the commonly used fluorescent dye, conventional PCR, and real-time PCR (RT-PCR). Of 62 samples studied for tlh gene, 32 (51.61%) gave positive by HNB-LAMP, which comprised 22 (70.96%) clam samples and 10 (32.25%) shrimp samples. The HNB-LAMP assay was found to be highly sensitive, specific, and superior to conventional PCR (p > 0.05). RT-PCR presented higher sensitivity than HNB-LAMP; however, it has the limitation of being cost-intensive and requiring technical expertise to perform. HNB-LAMP is affordable, rapid, simple, and easy to perform, allowing naked eye visualization.
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23
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Yuan H, Chao Y, Shum HC. Droplet and Microchamber-Based Digital Loop-Mediated Isothermal Amplification (dLAMP). SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2020; 16:e1904469. [PMID: 31899592 DOI: 10.1002/smll.201904469] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2019] [Revised: 10/22/2019] [Indexed: 05/15/2023]
Abstract
Digital loop-mediated isothermal amplification (dLAMP) refers to compartmentalizing nucleic acids and LAMP reagents into a large number of individual partitions, such as microchambers and droplets. This compartmentalization enables dLAMP to be an excellent platform to quantify the absolute number of the target nucleic acids. Owing to its low requirement for instrumentation complexity, high specificity, and strong tolerance to inhibitors in the nucleic acid samples, dLAMP has been recognized as a simple and accurate technique to quantify pathogenic nucleic acid. Herein, the general process of dLAMP techniques is summarized, the current dLAMP techniques are categorized, and a comprehensive discussion on different types of dLAMP techniques is presented. Also, the challenges of the current dLAMP are illustrated together with the possible strategies to address these challenges. In the end, the future directions of the dLAMP developments, including multitarget detection, multisample detection, and processing nucleic acid extraction are outlined. With recently significant advances in dLAMP, this technology has the potential to see more widespread use beyond the laboratory in the future.
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Affiliation(s)
- Hao Yuan
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, Hong Kong
| | - Youchuang Chao
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, Hong Kong
| | - Ho Cheung Shum
- Department of Mechanical Engineering, The University of Hong Kong, Hong Kong, Hong Kong
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24
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Yao S, Zhao C, Liu Y, Nie H, Xi G, Cao X, Li Z, Pang B, Li J, Wang J. Colorimetric Immunoassay for the Detection of Staphylococcus aureus by Using Magnetic Carbon Dots and Sliver Nanoclusters as o-Phenylenediamine-Oxidase Mimetics. FOOD ANAL METHOD 2020. [DOI: 10.1007/s12161-019-01683-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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25
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Wu Z. A Dual-Mode (Fluorometric and Colorimetric) Aptasensor for Vibrio parahaemolyticus Detection Using Multifunctional Nanoparticles. FOOD ANAL METHOD 2019. [DOI: 10.1007/s12161-019-01483-x] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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26
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A novel visual-mixed-dye for LAMP and its application in the detection of foodborne pathogens. Anal Biochem 2019; 574:1-6. [PMID: 30862446 DOI: 10.1016/j.ab.2019.03.002] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/06/2019] [Accepted: 03/06/2019] [Indexed: 02/06/2023]
Abstract
Loop-mediated isothermal amplification (LAMP) has been widely applied for the detection of foodborne pathogens. Obtaining a simple, accurate readout of LAMP reaction results is crucial. Herein, a visual-mixed-dye (VMD) containing calcein (precombined with MnCl2) and hydroxynaphthol blue (HNB) for LAMP end-point detection was developed. The optimal final concentrations of these components in VMD were 25 and 300 μM, respectively. Due to the formation of HNBMn2+ during the LAMP reaction, the VMD-loaded assay exhibited superior visual properties, changing from light gray (negative) to dark blue (positive) under natural light. Additionally, compared with traditional single calcein or HNB dye, a weakly positive result with the VMD was purple, making it easier to distinguish by the naked eye. The visual sensitivity reached down to 20.9 copies/μL, which was comparable to that based on fluorescence. In food-contaminated samples, the practicality of VMD was verified by Vibrio parahaemolyticus and Staphylococcus aureus detection with excellent specificity. Moreover, the VMD was stable over a period of 3 months. Collectively, these findings establish the VMD as a novel dye for LAMP.
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27
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Zhou W, Le J, Chen Y, Cai Y, Hong Z, Chai Y. Recent advances in microfluidic devices for bacteria and fungus research. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.12.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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28
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Song S, Wang X, Xu K, Xia G, Yang X. Visualized Detection of Vibrio parahaemolyticus in Food Samples Using Dual-Functional Aptamers and Cut-Assisted Rolling Circle Amplification. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:1244-1253. [PMID: 30608683 DOI: 10.1021/acs.jafc.8b04913] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A biosensor using two aptamers (Dual-Apt) and cut-assisted rolling circle amplification (CA-RCA) for rapid and visualized detection of Vibrio parahaemolyticus was established. The anchoring aptamer (A-Apt) that specifically binds to the surface of V. parahaemolyticus was applied to separate and enrich the bacterium from the food matrix with the help of streptavidin magnetic beads. While the detecting aptamer (D-Apt), binding on the different sites of the cell surface, was used as a signal reporter. CA-RCA with an enhanced amplification rate was fabricated here to amplify the D-Apt to produce the monomeric G4 sequence that catalyzes the oxidation of ABTS2-, resulting in the coloration visible to the naked eye. Under optimal conditions, as low as 10 colony-forming units (CFU)/mL (g) of V. parahaemolyticus can be visibly detected in real food samples. Free from DNA extraction, visualized signal output and no need for expensive instruments enable Dual-Apt and CA-RCA to be a promising strategy for on-spot rapid detection.
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Affiliation(s)
- Shixi Song
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Xingyu Wang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Ke Xu
- Department of Joint Surgery, Hong Hui Hospital , Xi'an Jiaotong University , Xi'an , Shaanxi 710054 , People's Republic of China
| | - Guanmei Xia
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
| | - Xingbin Yang
- Shaanxi Engineering Laboratory for Food Green Processing and Safety Control, Shaanxi Key Laboratory for Hazard Factors Assessment in Processing and Storage of Agricultural Products, College of Food Engineering and Nutritional Science , Shaanxi Normal University , Xi'an , Shaanxi 710062 , People's Republic of China
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29
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Anupama KP, Chakraborty A, Karunasagar I, Karunasagar I, Maiti B. Loop-mediated isothermal amplification assay as a point-of-care diagnostic tool for Vibrio parahaemolyticus: recent developments and improvements. Expert Rev Mol Diagn 2019; 19:229-239. [PMID: 30657706 DOI: 10.1080/14737159.2019.1571913] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
INTRODUCTION A number of DNA-based diagnostic tools have been developed for the detection of Vibrio parahaemolyticus in seafood. However, the loop-mediated isothermal amplification (LAMP) has distinct advantages with regards to its simplicity, speed and the ease of performing without any need for sophisticated equipment. Over the last decade, LAMP has emerged as a potential tool for the detection of V. parahaemolyticus. Area covered: The literature search was restricted to LAMP assay and its variants for the detection of V. parahaemolyticus. The focus in this review is to enlist the various techniques that have been developed using the principle of the LAMP towards improved simplicity, sensitivity and specificity of the assay. Expert commentary: LAMP assay and its variants are significantly faster and require minimum accessories compared to other DNA based molecular techniques such as PCR and their types. Despite the availability of several versions, LAMP-based diagnostics is not the first choice for the detection of V. parahaemolyticus in the seafood sector. Our recommendation would be to explore the possibilities of developing cost-effective LAMP kits and implementing these kits as point-of-care diagnostic tools for rapid and sensitive detection of pathogenic V. parahaemolyticus.
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Affiliation(s)
- Karanth Padyana Anupama
- a Division of Infectious Diseases , Nitte University Centre for Science Education and Research , Mangaluru , India
| | - Anirban Chakraborty
- b Division of Molecular Genetics and Cancer , Nitte University Centre for Science Education and Research , Mangaluru , India
| | - Iddya Karunasagar
- c NITTE (Deemed to be University), University Enclave , Mangaluru, Medical Sciences Complex , India
| | - Indrani Karunasagar
- a Division of Infectious Diseases , Nitte University Centre for Science Education and Research , Mangaluru , India.,c NITTE (Deemed to be University), University Enclave , Mangaluru, Medical Sciences Complex , India
| | - Biswajit Maiti
- a Division of Infectious Diseases , Nitte University Centre for Science Education and Research , Mangaluru , India
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Shang Y, Sun J, Ye Y, Zhang J, Zhang Y, Sun X. Loop-mediated isothermal amplification-based microfluidic chip for pathogen detection. Crit Rev Food Sci Nutr 2018; 60:201-224. [DOI: 10.1080/10408398.2018.1518897] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Yuting Shang
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Jiadi Sun
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Yongli Ye
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Jumei Zhang
- Guangdong Institute of Microbiology, State Key Laboratory of Applied Microbiology Southern China Guangdong Provincial Key Laboratory of Microbiology Culture Collection and Application Guangdong Open Laboratory of Applied Microbiology, Guangzhou, China
| | - Yinzhi Zhang
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Xiulan Sun
- State Key Laboratory of Food Science and Technology School of Food Science National Engineering Research Center for Functional Foods, Synergetic Innovation Center of Food Safety, Joint International Research Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
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Pang B, Fu K, Liu Y, Ding X, Hu J, Wu W, Xu K, Song X, Wang J, Mu Y, Zhao C, Li J. Development of a self-priming PDMS/paper hybrid microfluidic chip using mixed-dye-loaded loop-mediated isothermal amplification assay for multiplex foodborne pathogens detection. Anal Chim Acta 2018; 1040:81-89. [DOI: 10.1016/j.aca.2018.07.024] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Revised: 07/03/2018] [Accepted: 07/10/2018] [Indexed: 11/26/2022]
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Fu K, Zheng Y, Li J, Liu Y, Pang B, Song X, Xu K, Wang J, Zhao C. Colorimetric Immunoassay for Rapid Detection of Vibrio parahemolyticus Based on Mn 2+ Mediates the Assembly of Gold Nanoparticles. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:9516-9521. [PMID: 30133275 DOI: 10.1021/acs.jafc.8b02494] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
Vibrio parahemolyticus ( V. parahemolyticus) is an important food-borne pathogen that causes food poisoning and acute gastroenteritis in humans. Herein, a novel colorimetric immunoassay was presented for rapid detection of V. parahemolyticus using gold nanoparticles (18.1 nm diameter) as chromogenic substrate, whose combination of a magnetic bead-based sandwich immunoassay and an optical sensing system via Mn2+ ions mediated aggregation of gold nanoparticles. MnO2 nanoparticles coated with polyclonal IgG antibodies (7.8 nm diameter) are used to recognize the target and can be etched to generate manganese ions by ascorbic acid. A color change ranging from red to purple to blue can be easily discerned by bare eye, corresponding to V. parahemolyticus concentration in the range between 10 and 106 cfu·mL-1. The proposed method possesses high specificity with a limit of detection of 10 cfu·mL-1 and was successfully applied to determination of V. parahemolyticus in oyster samples without pre-enrichment. In our perception, it shows promise in rapid instrumental and on-site visual detection of V. parahemolyticus.
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Affiliation(s)
- Kaiyue Fu
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Yan Zheng
- School of Public Health , Jilin University , Changchun 130021 , China
- The Department of Cadre Ward , The First Hospital of Jilin University , Changchun 130021 , China
| | - Juan Li
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Yushen Liu
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Bo Pang
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Xiuling Song
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Kun Xu
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Juan Wang
- School of Public Health , Jilin University , Changchun 130021 , China
| | - Chao Zhao
- School of Public Health , Jilin University , Changchun 130021 , China
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