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Xu S, Lee I, Kwon SJ, Kim E, Nevo L, Straight L, Murata H, Matyjaszewski K, Dordick JS. Split fluorescent protein-mediated multimerization of cell wall binding domain for highly sensitive and selective bacterial detection. N Biotechnol 2024; 82:54-64. [PMID: 38750815 DOI: 10.1016/j.nbt.2024.05.004] [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: 01/28/2024] [Revised: 04/22/2024] [Accepted: 05/08/2024] [Indexed: 05/18/2024]
Abstract
Cell wall peptidoglycan binding domains (CBDs) of cell lytic enzymes, including bacteriocins, autolysins and bacteriophage endolysins, enable highly selective bacterial binding, and thus, have potential as biorecognition molecules for nondestructive bacterial detection. Here, a novel design for a self-complementing split fluorescent protein (FP) complex is proposed, where a multimeric FP chain fused with specific CBDs ((FP-CBD)n) is assembled inside the cell, to improve sensitivity by enhancing the signal generated upon Staphylococcus aureus or Bacillus anthracis binding. Flow cytometry shows enhanced fluorescence on the cell surface with increasing FP stoichiometry and surface plasmon resonance reveals nanomolar binding affinity to isolated peptidoglycan. The breadth of function of these complexes is demonstrated through the use of CBD modularity and the ability to attach enzymatic detection modalities. Horseradish peroxidase-coupled (FP-CBD)n complexes generate a catalytic amplification, with the degree of amplification increasing as a function of FP length, reaching a limit of detection (LOD) of 103 cells/droplet (approximately 0.1 ng S. aureus or B. anthracis) within 15 min on a polystyrene surface. These fusion proteins can be multiplexed for simultaneous detection. Multimeric split FP-CBD fusions enable use as a biorecognition molecule with enhanced signal for use in bacterial biosensing platforms.
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Affiliation(s)
- Shirley Xu
- Department of Chemical and Biological Engineering, and Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA
| | - Inseon Lee
- Department of Chemical and Biological Engineering, and Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA
| | - Seok-Joon Kwon
- Department of Chemical and Biological Engineering, and Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA
| | - Eunsol Kim
- Department of Chemical and Biological Engineering, and Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA
| | - Liv Nevo
- Department of Chemical and Biological Engineering, and Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA
| | - Lorelli Straight
- Department of Biology, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA
| | - Hironobu Murata
- Department of Chemistry, Carnegie Mellon University, 5000 Forbes Ave, Pittsburgh, PA, USA
| | | | - Jonathan S Dordick
- Department of Chemical and Biological Engineering, and Center for Biotechnology & Interdisciplinary Studies, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA; Department of Biology, Rensselaer Polytechnic Institute, 110 8th Street, Troy, NY, USA.
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2
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Li X, Li X, Chen J, Tan Z, Wang C. ICP-MS based detection method combined with Au NP and Ag NP labeling for bacteremia diagnosis. Anal Biochem 2024; 692:115559. [PMID: 38723993 DOI: 10.1016/j.ab.2024.115559] [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: 02/03/2024] [Revised: 04/14/2024] [Accepted: 05/07/2024] [Indexed: 06/16/2024]
Abstract
Bacteremia, as a serious infectious disease, has an increasing incidence and a high mortality rate. Early diagnosis and early treatment are crucial for improving the cure rate. In this work, we proposed an inductively coupled plasma mass spectrometry (ICP-MS)-based detection method combined with gold nanoparticle (Au NP) and silver nanoparticle (Ag NP) labeling for the simultaneous detection of Salmonella and Escherichia coli (E. coli O157:H7) in human blood samples. Salmonella and E. coli O157:H7 were captured by magnetic beads coupled with anti-8G3 and anti-7C2, and then specifically labeled by Au NP-anti-5H12 and Ag NP-anti-8B1 respectively, which were used as signal probes for ICP-MS detection. Under the optimal experimental conditions, the limits of detection of 164 CFU mL-1 for Salmonella, 220 CFU mL-1for E. coli O157:H7 and the linear ranges of 400-80,000 CFU mL-1Salmonella, 400-60,000 CFU mL-1 E. coli O157:H7 were obtained. The proposed method can realize the simultaneous detection of two types of pathogenic bacteria in human whole blood in 3.5 h, showing great potential for the rapid diagnosis of bacteremia in clinic.
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Affiliation(s)
- Xiaoting Li
- Department of Food and Drug, ShenZhen Polytechnic University, Liuxian Avenue, Nanshan District, Shenzhen, Guangdong, 518055, China.
| | - Xin Li
- Department of Food and Drug, ShenZhen Polytechnic University, Liuxian Avenue, Nanshan District, Shenzhen, Guangdong, 518055, China
| | - Jiayi Chen
- Department of Food and Drug, ShenZhen Polytechnic University, Liuxian Avenue, Nanshan District, Shenzhen, Guangdong, 518055, China
| | - Zuomin Tan
- Department of Food and Drug, ShenZhen Polytechnic University, Liuxian Avenue, Nanshan District, Shenzhen, Guangdong, 518055, China
| | - Chuan Wang
- Department of Science and Education Division, Public Health Clinical Center of Chengdu, 377 Jingming Road, Jinjiang District, Chengdu, Sichuan, 610061, China.
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3
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Liu B, Cao J, Hong B, You H, Li T, Yu Z, Li D, Liang B, Gan N. A microfluidic chip platform based on Pt nanozyme and magnetized phage composite probes for dual-mode detecting and imaging pathogenic bacteria viability. Talanta 2024; 275:126067. [PMID: 38640522 DOI: 10.1016/j.talanta.2024.126067] [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: 02/01/2024] [Revised: 03/30/2024] [Accepted: 04/05/2024] [Indexed: 04/21/2024]
Abstract
The detection of pathogen viability is critically important to evaluate its infectivity. In the study, an integrated microfluidic chip based on dual-mode analytical strategy was developed to rapidly realize detection of bacteria activity (with Salmonella typhimurium, S.T, as a model analyte). Firstly, the composite probes, including deactivated phage modified magnetic beads and nano Pt-antimicrobial peptide (AMP) which can specifically recognize Gram-negative bacteria as nanozyme were prepared. When the composite probes are introduced into the chip together with target bacteria, after enrichment, oscillating and magnetic separation, they will conjugate with S.T and produce a magnetic sandwich complex. The complex can catalyze tetramethylbenzidine (TMB)-H2O2 to produce visible colorimetric signals which is correspondent to the total S.T content. Simultaneously, PtNPs in the complex can produce hydroxyl radical oxidation (∙OH) by decomposing H2O2. Under the synergistic action of ∙OH and AMP, the captured live S.T can be lysed to release ATP and emit bioluminescence signals which corresponds to the live S.T concentration. Therefore, the chip can simultaneously detect and image S.T at different viability in one test. The dual-mode assay demonstrated high sensitivity (≤33 CFU/mL), high specificity (identifying strain), signal amplification (5 folds) and short time (≤40min). The chip array can detect four samples in one test and exhibited advantages of high-integration, -sensitivity, -specificity and miniaturization, which are suitable to rapidly detect and image pathogen's viability in trace level. The replacement of phage probes can detect other bacteria. It has a wide prospect in pathogens screening.
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Affiliation(s)
- Bailu Liu
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang province, 315211, China
| | - Jingya Cao
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang province, 315211, China
| | - Binxin Hong
- School of Marine Science, Ningbo University, Ningbo, 315211, China
| | - Hang You
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang province, 315211, China
| | - Tianhua Li
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang province, 315211, China
| | - Zhenzhong Yu
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang province, 315211, China
| | - Dengfeng Li
- School of Marine Science, Ningbo University, Ningbo, 315211, China
| | - Baihui Liang
- Healthy & Intelligent Kitchen Engineering Research Center of Zhejiang Province, Ningbo, 315336, China; Ningbo Fotile Kitchenware Co., Ltd., Ningbo, Zhejiang 315336, China.
| | - Ning Gan
- School of Material Science and Chemical Engineering, Ningbo University, Ningbo, Zhejiang province, 315211, China.
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Shao Y, Li X, Qi X, Li J, Zhao S, Sun P, Wang H, Cheng Y, Zhang Z, Chen L, Zhang X, Zhu M. A graphene oxide-assisted protein immobilization paper-tip immunosensor with smartphone and naked eye readout for the detection of okadaic acid. Anal Chim Acta 2024; 1314:342781. [PMID: 38876519 DOI: 10.1016/j.aca.2024.342781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 05/21/2024] [Accepted: 05/23/2024] [Indexed: 06/16/2024]
Abstract
BACKGROUND Okadaic acid (OA), as a diarrhetic shellfish poisoning, can increase the risk of acute carcinogenic or teratogenic effects for the ingestion of OA contaminated shellfish. At present, much effort has been made to graft immunoassay onto a paper substrate to make paper-based sensors for rapid and simple detection of shellfish toxin. However, the complicated washing steps and low protein fixation efficiency on the paper substrate need to be further addressed. RESULTS A novel paper-tip immunosensor for detecting OA was developed combined with smartphone and naked eye readout. The trapezoid paper tip was consisted of quantitative and qualitative detection zones. To improve the OA antigen immobilization efficiency on the paper substrate, graphene oxide (GO)-assisted protein immobilization method was introduced. Meanwhile, Au nanoparticles composite probe combined with the lateral flow washing was developed to simplify the washing step. The OA antigen-immobilized zone, as the detection zone Ⅰ, was used for quantitative assay by smartphone imaging. The paper-tip front, as the detection zone Ⅱ, which could qualitatively differentiate OA pollution level within 45 min using the naked eye. The competitive immunoassay on the paper tip exhibited a wide linear range for detecting OA (0.02-50 ng∙mL-1) with low detection limit of 0.02 ng∙mL-1. The recovery of OA in spiked shellfish samples was in the range of 90.3 %-113.%. SIGNIFICANCE These results demonstrated that the proposed paper-tip immunosensor could provide a simple, low-cost and high-sensitivity test for OA detection without the need for additional large-scale equipment or expertise. We anticipate that this paper-tip immunosensor will be a flexible and versatile tool for on-site detecting the pollution of marine products.
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Affiliation(s)
- Yifan Shao
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
| | - Xiaotong Li
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
| | - Xiaoxiao Qi
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
| | - Juan Li
- Key Laboratory of Ecological Prewarning, Protection and Restoration of Bohai Sea, Ministry of Natural Resources, China
| | - Sheng Zhao
- Key Laboratory of Ecological Prewarning, Protection and Restoration of Bohai Sea, Ministry of Natural Resources, China
| | - Peiyan Sun
- Key Laboratory of Ecological Prewarning, Protection and Restoration of Bohai Sea, Ministry of Natural Resources, China
| | | | - Yongqiang Cheng
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China.
| | - Ziwei Zhang
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
| | - Longyu Chen
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
| | - Xi Zhang
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
| | - Meijia Zhu
- Institute of Eco-Environmental Forensics, School of Environmental Science and Engineering, Shandong University (Qingdao), Qingdao, Shandong, 266237, China
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Flores-Ramírez AY, González-Estrada RR, Chacón-López MA, García-Magaña MDL, Montalvo-González E, Álvarez-López A, Rodríguez-López A, López-García UM. Detection of foodborne pathogens in contaminated food using nanomaterial-based electrochemical biosensors. Anal Biochem 2024; 693:115600. [PMID: 38964698 DOI: 10.1016/j.ab.2024.115600] [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: 04/29/2024] [Revised: 06/10/2024] [Accepted: 07/02/2024] [Indexed: 07/06/2024]
Abstract
Foodborne pathogens are a grave concern for the for food, medical, environmental, and economic sectors. Their ease of transmission and resistance to treatments, such as antimicrobial agents, make them an important challenge. Food tainted with these pathogens is swiftly rejected, and if ingested, can result in severe illnesses and even fatalities. This review provides and overview of the current status of various pathogens and their metabolites transmitted through food. Despite a plethora of studies on treatments to eradicate and inhibit these pathogens, their indiscriminate use can compromise the sensory properties of food and lead to contamination. Therefore, the study of detection methods such as electrochemical biosensors has been proposed, which are devices with advantages such as simplicity, fast response, and sensitivity. However, these biosensors may also present some limitations. In this regard, it has been reported that nanomaterials with high conductivity, surface-to-volume ratio, and robustness have been observed to improve the detection of foodborne pathogens or their metabolites. Therefore, in this work, we analyze the detection of pathogens transmitted through food and their metabolites using electrochemical biosensors based on nanomaterials.
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Affiliation(s)
- Ana Yareli Flores-Ramírez
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, Av. Tecnológico # 2595, Col. Lagos del country, C.P. 63175, Tepic, Nayarit, Mexico
| | - Ramsés Ramón González-Estrada
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, Av. Tecnológico # 2595, Col. Lagos del country, C.P. 63175, Tepic, Nayarit, Mexico
| | - Martina Alejandra Chacón-López
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, Av. Tecnológico # 2595, Col. Lagos del country, C.P. 63175, Tepic, Nayarit, Mexico
| | - María de Lourdes García-Magaña
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, Av. Tecnológico # 2595, Col. Lagos del country, C.P. 63175, Tepic, Nayarit, Mexico
| | - Efigenia Montalvo-González
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, Av. Tecnológico # 2595, Col. Lagos del country, C.P. 63175, Tepic, Nayarit, Mexico
| | - Alejandra Álvarez-López
- Facultad de Ingeniería, Universidad Autónoma de Querétaro, Campus Aeropuerto, Centro Universitario, Cerro de las Campanas, C.P. 76010, Santiago de Querétaro, Querétaro, Mexico
| | - Aarón Rodríguez-López
- Universidad Politécnica de Santa Rosa Jáuregui, Carretera Federal 57, Querétaro-San Luis Potosí km 31-150, Parque Industrial Querétaro, C.P. 76220, Santiago de Querétaro, Querétaro, Mexico.
| | - Ulises Miguel López-García
- Tecnológico Nacional de México/Instituto Tecnológico de Tepic, Laboratorio Integral de Investigación en Alimentos, Av. Tecnológico # 2595, Col. Lagos del country, C.P. 63175, Tepic, Nayarit, Mexico.
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6
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Sogore T, Guo M, Sun N, Jiang D, Shen M, Ding T. Microbiological and chemical hazards in cultured meat and methods for their detection. Compr Rev Food Sci Food Saf 2024; 23:e13392. [PMID: 38865212 DOI: 10.1111/1541-4337.13392] [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: 02/16/2024] [Revised: 04/23/2024] [Accepted: 05/19/2024] [Indexed: 06/14/2024]
Abstract
Cultured meat, which involves growing meat in a laboratory rather than breeding animals, offers potential benefits in terms of sustainability, health, and animal welfare compared to conventional meat production. However, the cultured meat production process involves several stages, each with potential hazards requiring careful monitoring and control. Microbial contamination risks exist in the initial cell collection from source animals and the surrounding environment. During cell proliferation, hazards may include chemical residues from media components such as antibiotics and growth factors, as well as microbial issues from improper bioreactor sterilization. In the differentiation stage where cells become muscle tissue, potential hazards include residues from scaffolding materials, microcarriers, and media components. Final maturation and harvesting stages risk environmental contamination from nonsterile conditions, equipment, or worker handling if proper aseptic conditions are not maintained. This review examines the key microbiological and chemical hazards that must be monitored and controlled during the manufacturing process for cultured meats. It describes some conventional and emerging novel techniques that could be applied for the detection of microbial and chemical hazards in cultured meat. The review also outlines the current evolving regulatory landscape around cultured meat and explains how thorough detection and characterization of microbiological and chemical hazards through advanced analytical techniques can provide crucial data to help develop robust, evidence-based food safety regulations specifically tailored for the cultured meat industry. Implementing new digital food safety methods is recommended for further research on the sensitive and effective detection of microbiological and chemical hazards in cultured meat.
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Affiliation(s)
- Tahirou Sogore
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Meimei Guo
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
| | - Na Sun
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, China
| | - Donglei Jiang
- College of Food Science and Engineering, Nanjing University of Finance and Economics, Nanjing, China
| | - Mofei Shen
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Zhongyuan Institute, Zhejiang University, Zhengzhou, China
| | - Tian Ding
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, China
- Innovation Center of Yangtze River Delta, Zhejiang University, Jiaxing, China
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7
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Saleh EAM, Ali E, Muxamadovna GM, Kassem AF, Kaur I, Kumar A, Jabbar HS, Alwaily ER, Elawady A, Omran AA. CRISPR/Cas-based colorimetric biosensors: a promising tool for the diagnosis of bacterial foodborne pathogens in food products. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:3448-3463. [PMID: 38804827 DOI: 10.1039/d4ay00578c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2024]
Abstract
Some physical phenomena and various chemical substances newly introduced in nanotechnology have allowed scientists to develop valuable devices in the field of food sciences. Regarding such progress, the identification of foodborne pathogenic microorganisms is an imperative subject nowadays. These bacterial species have been found to cause severe health impacts after food ingestion and can result in high mortality in acute cases. The rapid detection of foodborne bacterial species at low concentrations is in high demand in recent diagnostics. CRISPR/Cas-mediated biosensors possess the potential to overcome several challenges in classical assays such as complex pretreatments, long turnaround time, and insensitivity. Among them, colorimetric nanoprobes based on the CRISPR strategy afford promising devices for POCT (point-of-care testing) since they can be visualized with the naked eye and do not require diagnostic apparatus. In this study, we briefly classify and discuss the working principles of the different CRISPR/Cas protein agents that have been employed in biosensors so far. We assess the current status of the CRISPR system, specifically focusing on colorimetric biosensing platforms. We discuss the utilization of each Cas effector in the detection of foodborne pathogens and examine the restrictions of the existing technology. The challenges and future opportunities are also indicated and addressed.
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Affiliation(s)
- Ebraheem Abdu Musad Saleh
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia.
| | - Eyhab Ali
- Al-Zahraa University for Women, Karbala, Iraq
| | | | - Asmaa F Kassem
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj, 11942, Saudi Arabia
- Chemistry of Natural and Microbial Products Department, Pharmaceutical and Drug Industries Research Institute, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Irwanjot Kaur
- Department of Biotechnology and Genetics, Jain (Deemed-to-be) University, Bengaluru, Karnataka-560069, India
- Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, Rajasthan-303012, India
| | - Abhinav Kumar
- Department of Nuclear and Renewable Energy, Ural Federal University Named After the First President of Russia Boris Yeltsin, Yekaterinburg 620002, Russia
| | - Hijran Sanaan Jabbar
- Department of Chemistry, College of Science, Salahaddin University-Erbil, Erbil, Kurdistan Region, Iraq
| | - Enas R Alwaily
- Microbiology Research Group, College of Pharmacy, Al-Ayen University, Thi-Qar, Iraq
| | - Ahmed Elawady
- College of Technical Engineering, The Islamic University of Al Diwaniyah, Al Diwaniyah, Iraq
- College of Technical Engineering, The Islamic University, Najaf, Iraq
- College of Technical Engineering, The Islamic University of Babylon, Babylon, Iraq
| | - Alaa A Omran
- Department of Engineering, AL-Nisour University College, Baghdad, Iraq
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8
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Malik S, Singh J, Saini K, Chaudhary V, Umar A, Ibrahim AA, Akbar S, Baskoutas S. Paper-based sensors: affordable, versatile, and emerging analyte detection platforms. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2777-2809. [PMID: 38639474 DOI: 10.1039/d3ay02258g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Paper-based sensors, often referred to as paper-based analytical devices (PADs), stand as a transformative technology in the field of analytical chemistry. They offer an affordable, versatile, and accessible solution for diverse analyte detection. These sensors harness the unique properties of paper substrates to provide a cost-effective and adaptable platform for rapid analyte detection, spanning chemical species, biomolecules, and pathogens. This review highlights the key attributes that make paper-based sensors an attractive choice for analyte detection. PADs demonstrate their versatility by accommodating a wide range of analytes, from ions and gases to proteins, nucleic acids, and more, with customizable designs for specific applications. Their user-friendly operation and minimal infrastructure requirements suit point-of-care diagnostics, environmental monitoring, food safety, and more. This review also explores various fabrication methods such as inkjet printing, wax printing, screen printing, dip coating, and photolithography. Incorporating nanomaterials and biorecognition elements promises even more sophisticated and sensitive applications.
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Affiliation(s)
- Sumit Malik
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Joginder Singh
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Kajal Saini
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Vivek Chaudhary
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Ahmad Umar
- Department of Chemistry, Faculty of Science and Arts, Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran-11001, Kingdom of Saudi Arabia.
- Department of Materials Science and Engineering, The Ohio State University, Columbus 43210, OH, USA
- STEM Pioneers Training Lab, Najran University, Najran 11001, Kingdom of Saudi Arabia
| | - Ahmed A Ibrahim
- Department of Chemistry, Faculty of Science and Arts, Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran-11001, Kingdom of Saudi Arabia.
- STEM Pioneers Training Lab, Najran University, Najran 11001, Kingdom of Saudi Arabia
| | - Sheikh Akbar
- Department of Materials Science and Engineering, The Ohio State University, Columbus 43210, OH, USA
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9
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Qu X, Zhou P, Shi B, Zheng Y, Kan L, Jiang L. A sandwich-structured multifunctional platform based on self-assembled Ti 3C 2T x@Au NPs films, antibiotics, and silent region SERS probe for the capture, determination, and drug resistance analysis of Gram-positive bacteria. Mikrochim Acta 2024; 191:305. [PMID: 38713444 DOI: 10.1007/s00604-024-06387-0] [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: 03/06/2024] [Accepted: 04/24/2024] [Indexed: 05/08/2024]
Abstract
A multifunctional surface-enhanced Raman scattering (SERS) platform integrating sensitive detection and drug resistance analysis was developed for Gram-positive bacteria. The substrate was based on self-assembled Ti3C2Tx@Au NPs films and capture molecule phytic acid (IP6) to achieve specific capture of Gram-positive bacteria and different bacteria were analyzed by fingerprint signal. It had advantages of good stability and homogeneity (RSD = 8.88%). The detection limit (LOD) was 102 CFU/mL for Staphylococcus aureus and 103 CFU/mL for MRSA, respectively. A sandwich structure was formed on the capture substrate by signal labels prepared by antibiotics (penicillin G and vancomycin) and non-interference SERS probe molecules (4-mercaptobenzonitrile (2223 cm-1) and 2-amino-4-cyanopyridine (2240 cm-1)) to improve sensitivity. The LOD of Au NPs@4-MBN@PG to S. aureus and Au NPs@AMCP@Van to MRSA and S. aureus were all improved to 10 CFU/mL, with a wide dynamic linear range from 108 to 10 CFU/mL (R2 ≥ 0.992). The SERS platform can analyze the drug resistance of drug-resistant bacteria. Au NPs@4-MBN@PG was added to the substrate and captured MRSA to compare the SERS spectra of 4-MBN. The intensity inhomogeneity of 4-MBN at the same concentrations of MRSA and the nonlinearity at the different concentrations of MRSA revealed that MRSA was resistant to PG. Finally, the SERS platform achieved the determination of MRSA in blood. Therefore, this SERS platform has great significance for the determination and analysis of Gram-positive bacteria.
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Affiliation(s)
- Xiangwen Qu
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, Zhejiang, China
| | - Pengwei Zhou
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, Zhejiang, China.
| | - Boya Shi
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, Zhejiang, China
| | - Yekai Zheng
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, Zhejiang, China
| | - Lian Kan
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, Zhejiang, China
| | - Li Jiang
- College of Optical and Electronic Technology, China Jiliang University, Hangzhou, 310018, Zhejiang, China.
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10
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Wang X, Zhang H, Li H, Ding Y, Li J, Zhao C, Yao S. A Smartphone-Enabled Colorimetric Platform Based on Enzyme Cascade Amplification Strategy for Detection of Staphylococcus aureus in Milk. J Dairy Sci 2024:S0022-0302(24)00736-7. [PMID: 38608956 DOI: 10.3168/jds.2023-24439] [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: 11/28/2023] [Accepted: 03/06/2024] [Indexed: 04/14/2024]
Abstract
Staphylococcus aureus (S. aureus) is a pathogenic bacterium-contaminating milk and dairy foods causing food poisoning and foodborne pathogens. In this work, a smartphone-enabled enzyme cascade-triggered colorimetric platform was constructed using cascade bio-nanozyme formed by immobilized glucose oxidase (GOx) on the Fe3O4@Ag for rapid detection of S. aureus. Benefiting from reasonable experimental design, a bio-nanozyme cascade-triggered reaction was achieved through H2O2 produced by GOx oxidation of glucose, followed by in situ catalysis of 3,3',5,5'-tetramethylbenzidine (TMB) by the inherent peroxidase-like activity of Fe3O4@Ag to produce color signals. S. aureus detection could be performed through naked-eye observation and smartphone measurement, the developed assay can achieve quantitative and qualitative detection of S. aureus. The on-site nanoplatform had satisfactory specificity and sensitivity with a low detection limit of 6.9 cfu·mL-1 in 50 min. Moreover, the nanoplatform has good practicality in the detection of S. aureus in milk samples. Therefore, the assay has potential application prospects in food safety inspection.
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Affiliation(s)
- Xuechen Wang
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Huiqian Zhang
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Hang Li
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Yukun Ding
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Jinhua Li
- School of Public Health, Jilin University, Changchun, 130021, China
| | - Chao Zhao
- School of Public Health, Jilin University, Changchun, 130021, China.
| | - Shuo Yao
- School of Public Health, Jilin University, Changchun, 130021, China.
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11
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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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12
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Turanoglu B, Omeroglu MA, Baltaci MO, Adiguzel G, Adiguzel A. Determination of foodborne pathogens in minced beef by real-time PCR without culture enrichment. J Microbiol Methods 2024; 219:106896. [PMID: 38341180 DOI: 10.1016/j.mimet.2024.106896] [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: 04/11/2023] [Revised: 12/27/2023] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Meat provides the necessary environment for the growth of foodborne pathogens due to its features such as being rich in protein and having sufficient water activity. Listeria monocytogenes, Salmonella enterica, and Escherichia coli O157:H7, which can be transmitted through many foods, including water, and cause serious diseases, are among the significant pathogens. In the current study. Detection of Listeria monocytogenes, Escherichia coli and Salmonella enterica in 100 minced beef samples collected from different butchers and markets situated in the central districts of Erzurum province was performed by Real-Time PCR without pre-enrichment and DNA isolation. Linear regression equations of Ct values of standard pathogenic bacteria were created. Ct values of minced beef samples obtained as a result of Real-Time PCR analysis were substituted in the equations, and the amounts of pathogenic bacteria in the samples were determined. Listeria monocytogenes, Escherichia coli, and Salmonella enterica were detected in 45, 30, and 29 of 100 minced beef samples, respectively. It is known that the Real-Time PCR method, which is used to detect pathogenic bacteria, is more specific, fast, and reliable than conventional methods. According to the results obtained, it has been clearly observed that with our new approach, pathogenic bacteria growing on foods can be detected sensitively with less cost, shorter amount of time, and minimized workload without pre-enrichment and DNA isolation.
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Affiliation(s)
- Busra Turanoglu
- Department of Molecular Biology and Genetics, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Mehmet Akif Omeroglu
- Department of Molecular Biology and Genetics, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Mustafa Ozkan Baltaci
- Department of Molecular Biology and Genetics, Faculty of Science, Ataturk University, Erzurum, Turkey
| | - Gulsah Adiguzel
- Department of Food Science and Technology, Faculty of Veterinary Science, Ataturk University, Erzurum, Turkey
| | - Ahmet Adiguzel
- Department of Molecular Biology and Genetics, Faculty of Science, Ataturk University, Erzurum, Turkey.
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13
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Pan B, El-Moghazy AY, Norwood M, Nitin N, Sun G. Rapid and Ultrasensitive Colorimetric Biosensors for Onsite Detection of Escherichia coli O157:H7 in Fluids. ACS Sens 2024; 9:912-922. [PMID: 38320289 PMCID: PMC10897931 DOI: 10.1021/acssensors.3c02339] [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: 11/02/2023] [Revised: 01/18/2024] [Accepted: 01/24/2024] [Indexed: 02/08/2024]
Abstract
This study presents a breakthrough in the field of onsite bacterial detection, offering an innovative, rapid, and ultrasensitive colorimetric biosensor for the detection of Escherichia coli (E. coli) O157:H7, using chemically modified melamine foam (MF). Different from conventional platforms, such as 96-well plates and fiber-based membranes, the modified MF features a macroporous reticulated three-dimensional (3D) framework structure, allowing fast and free movement of large biomolecules and bacteria cells through the MF structure in every direction and ensuring good accessibility of entire active binding sites of the framework structure with the target bacteria, which significantly increased sensitive and volume-responsive detection of whole-cell bacteria. The biosensing platform requires less than 1.5 h to complete the quantitative detection with a sensitivity of 10 cfu/mL, discernible by the naked eye, and an enhanced sensitivity of 5 cfu/mL with the help of a smartphone. Following a short enrichment period of 1 h, the sensitivity was further amplified to 2 cfu/mL. The biosensor material is volume responsive, making the biosensing platform sensitivity increase as the volume of the sample increases, and is highly suitable for testing large-volume fluid samples. This novel material paves the way for the development of volume-flexible biosensing platforms for the record-fast, onsite, selective, and ultrasensitive detection of various pathogenic bacteria in real-world applications.
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Affiliation(s)
- Bofeng Pan
- Biological
and Agricultural Engineering, University
of California, Davis, California 95616, United States
| | - Ahmed Y. El-Moghazy
- Department
of Food Science and Technology, University
of California, Davis, California 95616, United States
| | - Makela Norwood
- Biological
and Agricultural Engineering, University
of California, Davis, California 95616, United States
| | - Nitin Nitin
- Biological
and Agricultural Engineering, University
of California, Davis, California 95616, United States
- Department
of Food Science and Technology, University
of California, Davis, California 95616, United States
| | - Gang Sun
- Biological
and Agricultural Engineering, University
of California, Davis, California 95616, United States
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14
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Shirzad H, Panji M, Nezhad SAM, Houshmand P, Tamai IA. One-pot rapid visual detection of E. coli O157:H7 by label-free AuNP-based plasmonic-aptasensor in water sample. J Microbiol Methods 2024; 217-218:106858. [PMID: 38040292 DOI: 10.1016/j.mimet.2023.106858] [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: 07/20/2023] [Revised: 11/04/2023] [Accepted: 11/07/2023] [Indexed: 12/03/2023]
Abstract
Access to clean water for irrigation and drinking has long been a global concern. The need for fast, precise, and cost-effective methods to detect harmful bacteria like Enterohemorrhagic Escherichia coli (EHEC) serotype O157:H7 is high due to the potential for severe infectious diseases. Fortunately, recent research has led to developing and utilizing rapid bacterial detection methods. The creation of an aptamer-based biosensor (aptasensor) for the detection of E. coli O157:H7 using label-free aptamers and gold nanoparticles (AuNPs) is described in this study. The specific aptamers that can detect target bacteria are adsorbed on the surface of unmodified AuNPs to form the aptasensor. The detection is performed by target bacterium-induced aptasensor aggregation, which is associated with a red-to-purple color change under high-salt circumstances. We devised a quick and easy method for detecting bacteria using an anti-E. coli O157:H7 aptamer without the need for specialized equipment or pretreatment processes like cell lysis. The aptasensor could identify target bacteria with only as few as 250 colony-forming units (CFU)/ml in 15 min or less, and its specificity based on our test was 100%. This method not only provides a fast direct preparation process but also exhibits remarkable proficiency in promptly identifying the intended target with a heightened level of sensitivity and specificity. Therefore, it can serve as an intelligent tool for monitoring water reservoirs and preventing the transmission of infectious diseases associated with EHEC.
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Affiliation(s)
- Hadi Shirzad
- Research Center for Life & Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarter, Tehran, Iran
| | - Mohammad Panji
- Research Center for Life & Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarter, Tehran, Iran
| | - Seyed Amin Mousavi Nezhad
- Research Center for Life & Health Sciences & Biotechnology of the Police, Directorate of Health, Rescue & Treatment, Police Headquarter, Tehran, Iran
| | - Pouya Houshmand
- Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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15
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Panwar S, Duggirala KS, Yadav P, Debnath N, Yadav AK, Kumar A. Advanced diagnostic methods for identification of bacterial foodborne pathogens: contemporary and upcoming challenges. Crit Rev Biotechnol 2023; 43:982-1000. [PMID: 35994308 DOI: 10.1080/07388551.2022.2095253] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 06/09/2022] [Indexed: 11/03/2022]
Abstract
It is a public health imperative to have safe food and water across the population. Foodborne infections are one of the primary causes of sickness and mortality in both developed and developing countries. An estimated 100 million foodborne diseases and 120 000 foodborne illness-related fatalities occur each year in India. Several factors affect foodborne illness, such as improper farming methods, poor sanitary and hygienic conditions at all levels of the food supply chain, the lack of preventative measures in the food processing industry, the misuse of food additives, as well as improper storage and handling. In addition, chemical and microbiological combinations also play a key role in disease development. But recent disease outbreaks indicated that microbial pathogens played a major role in the development of foodborne diseases. Therefore, prompt, rapid, and accurate detection of high-risk food pathogens is extremely vital to warrant the safety of the food items. Conventional approaches for identifying foodborne pathogens are labor-intensive and cumbersome. As a result, a range of technologies for the rapid detection of foodborne bacterial pathogens have been developed. Presently, many methods are available for the instantaneous detection, identification, and monitoring of foodborne pathogens, such as nucleic acid-based methods, biosensor-based methods, and immunological-based methods. The goal of this review is to provide a complete evaluation of several existing and emerging strategies for detecting food-borne pathogens. Furthermore, this review outlines innovative methodologies and their uses in food testing, along with their existing limits and future possibilities in the detection of live pathogens in food.
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Affiliation(s)
- Surbhi Panwar
- Department of Genetics and Plant Breeding, Chaudhary Charan Singh University, Meerut, India
| | | | - Pooja Yadav
- Centre for Molecular Biology, Central University of Jammu, Jammu, India
| | - Nabendu Debnath
- Centre for Molecular Biology, Central University of Jammu, Jammu, India
| | - Ashok Kumar Yadav
- Centre for Molecular Biology, Central University of Jammu, Jammu, India
| | - Ashwani Kumar
- Department of Nutrition Biology, Central University of Haryana, Mahendergarh, India
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16
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Yinur D, Moges B, Hassen A, Tessema TS. Loop mediated isothermal amplification as a molecular diagnostic assay: Application and evaluation for detection of Enterohaemorrhagic Escherichia coli (O157:H7). Pract Lab Med 2023; 37:e00333. [PMID: 37693632 PMCID: PMC10492192 DOI: 10.1016/j.plabm.2023.e00333] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2022] [Revised: 07/27/2023] [Accepted: 08/25/2023] [Indexed: 09/12/2023] Open
Abstract
Purpose This study aimed at evaluating the performance of the Loop Mediated Isothermal Amplification (LAMP) diagnostic test, which targets the putative Fimbria protein-encoding gene (Z3276) for rapid and specific detection of locally isolated enterohemorrhagic Escherichia coli (EHEC) O157:H7. Results A total number of 40 locally available bacteria isolates and standard strains, among them 6 entrohemorrhagic (O157:H7) and 10 entropathogenic E. coli, 7 non diarrheic E. coli strains and 13 non entrohemorrhagic shiga toxic (stx) E. coli isolates as well as 4 pathogenic non E. coli species were used to optimize and evaluate the LAMP assay. The LAMP amplified DNA samples were visualized as turbid DNA both by naked eye and gel electrophoresis followed by staining. The assay had a sensitivity of 100% (6/6), a specificity of 97.05% (33/34), and an efficiency of 97.5% (39/40). The assay was also exhibited with 100% negative predicted value and 85.7% positive predicted value. The LAMP assay was also 10-fold more sensitive than the conventional PCR assay; sensitivity was determined by serial dilution. The results of LAMP and the PCR tests showed very high agreement (k = 0.97) in the detection of the bacteria studied. Conclusion Compared with the performance of PCR and SMAC, LAMP assay was better in terms of efficiency, rapidity and cost-effectiveness, which can be used as a point-care diagnostic test in resource-limited laboratories.
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Affiliation(s)
- Degisew Yinur
- Department of Medical Biotechnology, Institute of Biotechnology, University of Gondar, Gondar, Ethiopia
| | - Biniam Moges
- Department of Biotechnology, Debre Berhan University, Debre Berhan, Ethiopia
| | - Aliyi Hassen
- Department of Biotechnology, Ambo University, Ambo, Ethiopia
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17
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Li W, Ma X, Yong YC, Liu G, Yang Z. Review of paper-based microfluidic analytical devices for in-field testing of pathogens. Anal Chim Acta 2023; 1278:341614. [PMID: 37709421 DOI: 10.1016/j.aca.2023.341614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2023] [Revised: 07/10/2023] [Accepted: 07/11/2023] [Indexed: 09/16/2023]
Abstract
Pathogens cause various infectious diseases and high morbidity and mortality which is a global public health threat. The highly sensitive and specific detection is of significant importance for the effective treatment and intervention to minimise the impact. However, conventional detection methods including culture and molecular method gravely depend on expensive equipment and well-trained skilled personnel, limiting in the laboratory. It remains challenging to adapt in resource-limiting areas, e.g., low and middle-income countries (LMICs). To this end, low-cost, rapid, and sensitive detection tools with the capability of field testing e.g., a portable device for identification and quantification of pathogens, has attracted increasing attentions. Recently, paper-based microfluidic analytical devices (μPADs) have shown a promising tool for rapid and on-site diagnosis, providing a cost-effective and sensitive analytical approach for pathogens detection. The fast turn-round data collection may also contribute to better understanding of the risks and insights on mitigation method. In this paper, critical developments of μPADs for in-field detection of pathogens both for clinical diagnostics and environmental surveillance are reviewed. The future development, and challenges of μPADs for rapid and onsite detection of pathogens are discussed, including using the cross-disciplinary development with, emerging techniques such as deep learning and Internet of Things (IoT).
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Affiliation(s)
- Wenliang Li
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedford, United Kingdom
| | - Xuanye Ma
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedford, United Kingdom
| | - Yang-Chun Yong
- Biofuels Institute, Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, School of Emergency Management & School of Environment and Safety Engineering, Zhenjiang, 212013, Jiangsu Province, China
| | - Guozhen Liu
- School of Medicine, The Chinese University of Hong Kong, Shenzhen, 518172, China
| | - Zhugen Yang
- School of Water, Energy and Environment, Cranfield University, Cranfield, MK43 0AL, Bedford, United Kingdom.
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18
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Huo E, Shahab S, Dang H, Jia Q, Wang M. Triazine-based covalent-organic framework embedded with cuprous oxide as the bioplatform for photoelectrochemical aptasensing Escherichia coli. Mikrochim Acta 2023; 190:407. [PMID: 37731054 DOI: 10.1007/s00604-023-05987-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 09/04/2023] [Indexed: 09/22/2023]
Abstract
A superior photoelectrochemical (PEC) aptasensor was manufactured for the detection of Escherichia coli (E. coli) based on a hybrid of triazine-based covalent-organic framework (COF) and cuprous oxide (Cu2O). The COF synthesized using 1,3,5-tris(4-aminophenyl)-benzene (TAPB) and 1,3,5-triformylphloroglucinol (Tp) as building blocks acted as a scaffold for encapsulated Cu2O nanoparticles (denoted as Cu2O@TAPB-Tp-COF), which then was employed as the bioplatform for anchoring E. coli-targeted aptamer. Cu2O@Cu@TAPB-Tp-COF demonstrated enhanced separation of the photogenerated carriers and photoabsorption ability and boosted photoelectric conversion efficiency. The developed Cu2O@TAPB-Tp-COF-based PEC aptasensor exhibited a lower detection limit of 2.5 CFU mL-1 toward E. coli within a wider range of 10 CFU mL-1 to 1 × 104 CFU mL-1 than most of reported aptasensors for determining foodborne bacteria, together with high selectivity, good stability, and superior ability and reproducibility. The recoveries of E. coli spiked into milk and bread samples ranged within 95.3-103.6% and 96.6-102.8%, accompanying with low RSDs of 1.37-4.48% and 1.74-3.66%, respectively. The present study shows a promising alternative for the sensitive detection of foodborne bacteria from complex foodstuffs and pathogenic bacteria-polluted environment.
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Affiliation(s)
- Erfu Huo
- Henan Chemical Industry Institute Co. Ltd., Zhengzhou, People's Republic of China.
- Quality Inspection and Analytical Test Research Center, Henan Academy of Sciences, Zhengzhou, People's Republic of China.
| | - Siyamak Shahab
- Belarusian State University, ISEI BSU, Minsk, Republic of Belarus
| | - Hao Dang
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450001, People's Republic of China
| | - Qiaojuan Jia
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450001, People's Republic of China
| | - Minghua Wang
- College of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou, 450001, People's Republic of China.
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19
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Toldrà A, Chondrogiannis G, Hamedi MM. A 3D paper microfluidic device for enzyme-linked assays: Application to DNA analysis. Biotechnol J 2023; 18:e2300143. [PMID: 37222181 DOI: 10.1002/biot.202300143] [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: 03/28/2023] [Revised: 03/31/2023] [Accepted: 05/17/2023] [Indexed: 05/25/2023]
Abstract
A paper microfluidic device capable of conducting enzyme-linked assays is presented: a microfluidic enzyme-linked paper analytical device (μEL-PAD). The system exploits a wash-free sandwich coupling to form beads/analyte/enzyme complexes, which are subsequently added to the vertical flow device composed of wax-printed paper, waxed nitrocellulose membrane and absorbent/barrier layers. The nitrocellulose retains the bead complexes without disrupting the flow, enabling for an efficient washing step. The entrapped complexes then interact with the chromogenic substrate stored on the detection paper, generating a color change on it, quantified with an open-source smartphone software. This is a universal paper-based technology suitable for high-sensitivity quantification of many analytes, such as proteins or nucleic acids, with different enzyme-linked formats. Here, the potential of the μEL-PAD is demonstrated to detect DNA from Staphylococcus epidermidis. After generation of isothermally amplified genomic DNA from bacteria, Biotin/FITC-labeled products were analyzed with the μEL-PAD, exploiting streptavidin-coated beads and antiFITC-horseradish peroxidase. The μEL-PAD achieved a limit of detection (LOD) and quantification <10 genome copies/μL, these being at least 70- and 1000-fold lower, respectively, than a traditional lateral flow assay (LFA) exploiting immobilized streptavidin and antiFITC-gold nanoparticles. It is envisaged that the device will be a good option for low-cost, simple, quantitative, and sensitive paper-based point-of-care testing.
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Affiliation(s)
- Anna Toldrà
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Georgios Chondrogiannis
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Mahiar M Hamedi
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
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20
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Abbas N, Song S, Chang MS, Chun MS. Point-of-Care Diagnostic Devices for Detection of Escherichia coli O157:H7 Using Microfluidic Systems: A Focused Review. BIOSENSORS 2023; 13:741. [PMID: 37504139 PMCID: PMC10377133 DOI: 10.3390/bios13070741] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 07/29/2023]
Abstract
Bacterial infections represent a serious and global threat in modern medicine; thus, it is very important to rapidly detect pathogenic bacteria, such as Escherichia coli (E. coli) O157:H7. Once treatments are delayed after the commencement of symptoms, the patient's health quickly deteriorates. Hence, real-time detection and monitoring of infectious agents are highly critical in early diagnosis for correct treatment and safeguarding public health. To detect these pathogenic bacteria, many approaches have been applied by the biosensors community, for example, widely-used polymerase chain reaction (PCR), enzyme-linked immunosorbent assay (ELISA), culture-based method, and adenosine triphosphate (ATP) bioluminescence. However, these approaches have drawbacks, such as time-consumption, expensive equipment, and being labor-intensive, making it critical to develop ultra-sensitive and highly selective detection. The microfluidic platform based on surface plasmon resonance (SPR), electrochemical sensing, and rolling circle amplification (RCA) offers proper alternatives capable of supplementing the technological gap for pathogen detection. Note that the microfluidic biochip allows to develop rapid, sensitive, portable, and point-of-care (POC) diagnostic tools. This review focuses on recent studies regarding accurate and rapid detection of E. coli O157:H7, with an emphasis on POC methods and devices that complement microfluidic systems. We also examine the efficient whole-body detection by employing antimicrobial peptides (AMPs), which has attracted growing attention in many applications.
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Affiliation(s)
- Naseem Abbas
- Department of Mechanical Engineering, Sejong University, Gwangjin-gu, Seoul 05006, Republic of Korea
| | - Sehyeon Song
- Laboratory of Stem Cell & Neurobiology, Department of Oral Anatomy & Dental Research Institute, Seoul National University School of Dentistry, Jongno-gu, Seoul 03080, Republic of Korea
- Interdisciplinary Program in Neuroscience, Seoul National University College of Natural Sciences, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Mi-Sook Chang
- Laboratory of Stem Cell & Neurobiology, Department of Oral Anatomy & Dental Research Institute, Seoul National University School of Dentistry, Jongno-gu, Seoul 03080, Republic of Korea
- Interdisciplinary Program in Neuroscience, Seoul National University College of Natural Sciences, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Myung-Suk Chun
- Sensor System Research Center, Advanced Materials Research Division, Korea Institute of Science and Technology (KIST), Seongbuk-gu, Seoul 02792, Republic of Korea
- Biomedical Engineering Division, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea
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21
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Ming J, Zeng X, Zhou R. Portable biosensor-based oral pathogenic bacteria detection for community and family applications. Anal Bioanal Chem 2023:10.1007/s00216-023-04809-1. [PMID: 37389598 DOI: 10.1007/s00216-023-04809-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 07/01/2023]
Abstract
Detection of oral pathogens is essential in the management of oral diseases, as their occurrence and progression are closely linked to an imbalance in these microorganisms. Detection techniques such as microbial cultures, enzyme-linked immunosorbent assays and polymerase chain reactions are highly dependent on complex testing procedures and specialized laboratory equipment, making prevention and early diagnosis of oral diseases difficult. To comprehensively implement oral disease prevention and early diagnosis in social groups, there is an urgent need for portable testing methods for oral pathogenic bacteria that can be applied in community and home settings. In this review, several common portable biosensors for pathogenic bacteria are first described. Based on the goal of achieving primary prevention and diagnosis of oral diseases, we elaborate and summarize portable biosensors for common oral pathogenic bacteria in terms of how to achieve portability of the technique. This review aims to reflect the current status of portable biosensors for common oral pathogens and to lay the foundation for the further realization of portable detection of oral pathogens.
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Affiliation(s)
- Jieyu Ming
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China
| | - Xin Zeng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
| | - Ronghui Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, Chinese Academy of Medical Sciences Research Unit of Oral Carcinogenesis and Management, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, 610041, People's Republic of China.
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Ilyas A, Dyussupova A, Sultangaziyev A, Shevchenko Y, Filchakova O, Bukasov R. SERS immuno- and apta-assays in biosensing/bio-detection: Performance comparison, clinical applications, challenges. Talanta 2023; 265:124818. [PMID: 37453393 DOI: 10.1016/j.talanta.2023.124818] [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: 02/21/2023] [Revised: 06/09/2023] [Accepted: 06/12/2023] [Indexed: 07/18/2023]
Abstract
Surface Enhanced Raman Spectroscopy is increasingly used as a sensitive bioanalytical tool for detection of variety of analytes ranging from viruses and bacteria to cancer biomarkers and toxins, etc. This comprehensive review describes principles of operation and compares the performance of immunoassays and aptamer assays with Surface Enhanced Raman scattering (SERS) detection to each other and to some other bioassay methods, including ELISA and fluorescence assays. Both immuno- and aptamer-based assays are categorized into assay on solid substrates, assays with magnetic nanoparticles and assays in laminar flow or/and strip assays. The best performing and recent examples of assays in each category are described in the text and illustrated in the figures. The average performance, particularly, limit of detection (LOD) for each of those methods reflected in 9 tables of the manuscript and average LODs are calculated and compared. We found out that, on average, there is some advantage in terms of LOD for SERS immunoassays (0.5 pM median LOD of 88 papers) vs SERS aptamer-based assays (1.7 pM median LOD of 51 papers). We also tabulated and analyzed the clinical performance of SERS immune and aptamer assays, where selectivity, specificity, and accuracy are reported, we summarized the best examples. We also reviewed challenges to SERS bioassay performance and real-life application, including non-specific protein binding, nanoparticle aggregation, limited nanotag stability, sometimes, relatively long time to results, etc. The proposed solutions to those challenges are also discussed in the review. Overall, this review may be interesting not only to bioanalytical chemist, but to medical and life science researchers who are interested in improvement of bioanalyte detection and diagnostics.
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Affiliation(s)
- Aisha Ilyas
- Department of Chemistry, SSH, Nazarbayev University, Astana, Kazakhstan
| | | | | | - Yegor Shevchenko
- Department of Chemistry, SSH, Nazarbayev University, Astana, Kazakhstan
| | - Olena Filchakova
- Department of Biology, SSH, Nazarbayev University, Astana, Kazakhstan
| | - Rostislav Bukasov
- Department of Chemistry, SSH, Nazarbayev University, Astana, Kazakhstan.
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23
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Zhu L, Liang Z, Xu Y, Chen Z, Wang J, Zhou L. Ultrasensitive and Rapid Visual Detection of Escherichia coli O157:H7 Based on RAA-CRISPR/Cas12a System. BIOSENSORS 2023; 13:659. [PMID: 37367024 DOI: 10.3390/bios13060659] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 06/12/2023] [Accepted: 06/14/2023] [Indexed: 06/28/2023]
Abstract
Escherichia coli (E. coli) O157:H7 is a major foodborne and waterborne pathogen that can threaten human health. Due to its high toxicity at low concentrations, it is crucial to establish a time-saving and highly sensitive in situ detection method. Herein, we developed a rapid, ultrasensitive, and visualized method for detecting E. coli O157:H7 based on a combination of Recombinase-Aided Amplification (RAA) and CRISPR/Cas12a technology. The CRISPR/Cas12a-based system was pre-amplified using the RAA method, which showed high sensitivity and enabled detecting as low as ~1 CFU/mL (fluorescence method) and 1 × 102 CFU/mL (lateral flow assay) of E. coli O157:H7, which was much lower than the detection limit of the traditional real-time PCR technology (103 CFU/mL) and ELISA (104~107 CFU/mL). In addition, we demonstrated that this method still has good applicability in practical samples by simulating the detection in real milk and drinking water samples. Importantly, our RAA-CRISPR/Cas12a detection system could complete the overall process (including extraction, amplification, and detection) within 55 min under optimized conditions, which is faster than most other reported sensors, which take several hours to several days. The signal readout could also be visualized by fluorescence generated with a handheld UV lamp or a naked-eye-detected lateral flow assay depending on the DNA reporters used. Because of the advantages of being fast, having high sensitivity, and not requiring sophisticated equipment, this method has a promising application prospect for in situ detection of trace amounts of pathogens.
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Affiliation(s)
- Lishan Zhu
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Zhenda Liang
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Yongtao Xu
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Zhiquan Chen
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Jiasi Wang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instrument, School of Biomedical Engineering, Shenzhen Campus of Sun Yat-Sen University, Shenzhen 518107, China
| | - Li Zhou
- Institute of Environmental Research at Greater Bay Area, Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
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24
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Xiao S, Cao C, Ming T, Cao Y, Yu Z, Gan N. Simultaneous and rapid screening of live and dead E. coli O157:H7 with three signal outputs: An all-in-one biosensor using phage-apoferritin@CuO 2 signal tags on MXenes-modified electrode platform. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131875. [PMID: 37343409 DOI: 10.1016/j.jhazmat.2023.131875] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 06/05/2023] [Accepted: 06/14/2023] [Indexed: 06/23/2023]
Abstract
Simultaneous detection of live and dead bacteria is a huge challenge for food safety. To solve this issue, an all-in-one biosensor for bacteria was developed using the phage-apoferritin@CuO2 (phage-Apo@CP) probe on an antimicrobial peptide (AMP)/MXenes-modified detection platform. With the specific recognition of AMP and phage-Apo@CP, the biosensor for the target Escherichia coli O157:H7 (E. coli O157:H7) presented multi-mode (bioluminescent, colorimetric, and electrochemical) signals to simultaneously measure live and dead bacteria. The bioluminescent signal caused by the adenosine triphosphate (ATP) from the bacteria was used to quantify live bacteria. The colorimetric and voltammetric signals triggered by ·OH and Cu2+ from the probe with the assistance of acid could rapidly screen and quantitative determination of total E. coli O157:H7 concentration. Thus, the dead one was obtained according to the total and live ones. All three signals could be mutually corrected to improve the accuracy. The biosensor was successfully used for on-site measurement of live and dead E. coli O157:H7 in food samples with the limit of detection of 30 CFU/mL for live ones and 6 CFU/mL for total bacteria within 50 min. This work presents a novel pathway for rapid and simultaneous quantification of both live and dead bacteria.
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Affiliation(s)
- Shu Xiao
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Cong Cao
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Tinghong Ming
- School of Marine Sciences, Ningbo University, Ningbo 315211, China
| | - Yuting Cao
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China
| | - Zhenzhong Yu
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
| | - Ning Gan
- Key Laboratory of Advanced Mass Spectrometry and Molecular Analysis of Zhejiang Province, Institute of Mass Spectrometry, School of Materials Science and Chemical Engineering, Ningbo University, Ningbo 315211, China.
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25
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Papkovsky DB, Kerry JP. Oxygen Sensor-Based Respirometry and the Landscape of Microbial Testing Methods as Applicable to Food and Beverage Matrices. SENSORS (BASEL, SWITZERLAND) 2023; 23:s23094519. [PMID: 37177723 PMCID: PMC10181535 DOI: 10.3390/s23094519] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 04/19/2023] [Accepted: 04/27/2023] [Indexed: 05/15/2023]
Abstract
The current status of microbiological testing methods for the determination of viable bacteria in complex sample matrices, such as food samples, is the focus of this review. Established methods for the enumeration of microorganisms, particularly, the 'gold standard' agar plating method for the determination of total aerobic viable counts (TVC), bioluminescent detection of total ATP, selective molecular methods (immunoassays, DNA/RNA amplification, sequencing) and instrumental methods (flow cytometry, Raman spectroscopy, mass spectrometry, calorimetry), are analyzed and compared with emerging oxygen sensor-based respirometry techniques. The basic principles of optical O2 sensing and respirometry and the primary materials, detection modes and assay formats employed are described. The existing platforms for bacterial cell respirometry are then described, and examples of particular assays are provided, including the use of rapid TVC tests of food samples and swabs, the toxicological screening and profiling of cells and antimicrobial sterility testing. Overall, O2 sensor-based respirometry and TVC assays have high application potential in the food industry and related areas. They detect viable bacteria via their growth and respiration; the assay is fast (time to result is 2-8 h and dependent on TVC load), operates with complex samples (crude homogenates of food samples) in a simple mix-and-measure format, has low set-up and instrumentation costs and is inexpensive and portable.
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Affiliation(s)
- Dmitri B Papkovsky
- School of Biochemistry and Cell Biology, University College Cork, Pharmacy Building, College Road, T12 YT20 Cork, Ireland
| | - Joseph P Kerry
- School of Food and Nutritional Sciences, University College Cork, Microbiology Building, College Road, T12 YT20 Cork, Ireland
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26
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Aladhadh M. A Review of Modern Methods for the Detection of Foodborne Pathogens. Microorganisms 2023; 11:1111. [PMID: 37317085 DOI: 10.3390/microorganisms11051111] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 04/09/2023] [Accepted: 04/10/2023] [Indexed: 06/16/2023] Open
Abstract
Despite the recent advances in food preservation techniques and food safety, significant disease outbreaks linked to foodborne pathogens such as bacteria, fungi, and viruses still occur worldwide indicating that these pathogens still constitute significant risks to public health. Although extensive reviews of methods for foodborne pathogens detection exist, most are skewed towards bacteria despite the increasing relevance of other pathogens such as viruses. Therefore, this review of foodborne pathogen detection methods is holistic, focusing on pathogenic bacteria, fungi, and viruses. This review has shown that culture-based methods allied with new approaches are beneficial for the detection of foodborne pathogens. The current application of immunoassay methods, especially for bacterial and fungal toxins detection in foods, are reviewed. The use and benefits of nucleic acid-based PCR methods and next-generation sequencing-based methods for bacterial, fungal, and viral pathogens' detection and their toxins in foods are also reviewed. This review has, therefore, shown that different modern methods exist for the detection of current and emerging foodborne bacterial, fungal, and viral pathogens. It provides further evidence that the full utilization of these tools can lead to early detection and control of foodborne diseases, enhancing public health and reducing the frequency of disease outbreaks.
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Affiliation(s)
- Mohammed Aladhadh
- Department of Food Science and Human Nutrition, College of Agriculture and Veterinary Medicine, Qassim University, Buraydah 51452, Saudi Arabia
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27
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Qiu S, Liu B, Leng Y, Fox E, Zhou X, Yan B, Sang X, Long K, Fu Y, He X, Yuan J, Farrell G, Wu Q. A label-free fiber ring laser biosensor for ultrahigh sensitivity detection of Salmonella Typhimurium. Biosens Bioelectron 2023; 234:115337. [PMID: 37126876 DOI: 10.1016/j.bios.2023.115337] [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: 11/10/2022] [Revised: 03/30/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
The rapid detection of low concentrations of Salmonella Typhimurium (S. Typhimurium) is an essential preventive measure for food safety and prevention of foodborne illness. The study presented in this paper addresses this critical issue by proposing a single mode-tapered seven core-single mode (STSS) fiber ring laser (FRL) biosensor for S. Typhimurium detection. The experimental results show that the specific detection time of S. Typhimurium is less than 20 min and the wavelength shift can achieve -0.906 nm for an S. Typhimurium solution (10 cells/mL). Furthermore, at a lower concentration of 1 cell/mL applied to the biosensor, a result of -0.183 nm is observed in 9% of samples (1/11), which indicates that the proposed FRL biosensor has the ability to detect 1 cell/mL of S. Typhimurium. In addition, the detection results in chicken and pickled pork samples present an average deviation of -27% and -23%, respectively, from the measured results in phosphate buffered saline. Taken together, these results show the proposed FRL biosensor may have potential applications in the fields of food safety monitoring, medical diagnostics, etc.
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Affiliation(s)
- Shi Qiu
- State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China
| | - Bin Liu
- Key Laboratory of Optoelectronic Information Science and Technology of Jiangxi Province, Nanchang Hangkong University, Nanchang, 330063, China
| | - Yuankui Leng
- State Key Lab Food Sci & Technol, Nanchang University, Nanchang, China
| | - Edward Fox
- Faculty of Health and Life Sciences, Northumbria University, Newcastle Upon Tyne, NE1 8ST, United Kingdom
| | - Xian Zhou
- Research Center for Convergence Networks and Ubiquitous Services, University of Science & Technology Beijing, Beijing, 100083, China
| | - Binbin Yan
- State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China
| | - Xinzhu Sang
- State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China
| | - Keping Long
- Research Center for Convergence Networks and Ubiquitous Services, University of Science & Technology Beijing, Beijing, 100083, China
| | - Yanjun Fu
- Key Laboratory of Optoelectronic Information Science and Technology of Jiangxi Province, Nanchang Hangkong University, Nanchang, 330063, China
| | - Xingdao He
- Key Laboratory of Optoelectronic Information Science and Technology of Jiangxi Province, Nanchang Hangkong University, Nanchang, 330063, China
| | - Jinhui Yuan
- State Key Laboratory of Information Photonics and Optical Communications, Beijing University of Posts and Telecommunications, Beijing, 100876, China; Research Center for Convergence Networks and Ubiquitous Services, University of Science & Technology Beijing, Beijing, 100083, China.
| | - Gerald Farrell
- Photonics Research Centre, School of Electrical and Electronic Engineering, City Campus, Technological University Dublin, Dublin 7, Ireland
| | - Qiang Wu
- Key Laboratory of Optoelectronic Information Science and Technology of Jiangxi Province, Nanchang Hangkong University, Nanchang, 330063, China; Faculty of Engineering and Environment, Northumbria University, Newcastle Upon Tyne, NE1 8ST, United Kingdom.
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28
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Liang J, Huang Z, Wang K, Zhang L, Wan Y, Yang T, Zeng H. Ultrasensitive visual detection of the food-borne pathogen via MOF encapsulated enzyme. Talanta 2023; 259:124503. [PMID: 37027932 DOI: 10.1016/j.talanta.2023.124503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 03/25/2023] [Accepted: 03/29/2023] [Indexed: 04/05/2023]
Abstract
Various methods have been made to achieve sensitive detection (10 CFU/mL) of Escherichia coli O157:H7 (E. coli) in real samples, however, they are complex, time-consuming, or instrument-dependent. Enzyme-catalyzed reactions are one of the most efficient methods to amplify signals for sensitive detection. ZIF-8 owning stability, porosity, and high specific area are suitable for embedding enzymes which can effectively protect enzyme activity and thus improve detection sensitivity. Herein, a simple visual assay of E. coli with the limits of detection of 1 CFU/mL was developed based on this stable enzyme-catalyzed amplified system. A microbial safety test of milk, orange juice, seawater, cosmetic, and hydrolyzed yeast protein, was successfully performed with the limits of detection of 10 CFU/mL by the naked eye. And this bioassay possessed high selectivity and stability making the developed detection method practically promising.
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29
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Kabiraz MP, Majumdar PR, Mahmud MC, Bhowmik S, Ali A. Conventional and advanced detection techniques of foodborne pathogens: A comprehensive review. Heliyon 2023; 9:e15482. [PMID: 37151686 PMCID: PMC10161726 DOI: 10.1016/j.heliyon.2023.e15482] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Revised: 03/13/2023] [Accepted: 04/11/2023] [Indexed: 05/09/2023] Open
Abstract
Foodborne pathogens are a major public health concern and have a significant economic impact globally. From harvesting to consumption stages, food is generally contaminated by viruses, parasites, and bacteria, which causes foodborne diseases such as hemorrhagic colitis, hemolytic uremic syndrome (HUS), typhoid, acute, gastroenteritis, diarrhea, and thrombotic thrombocytopenic purpura (TTP). Hence, early detection of foodborne pathogenic microbes is essential to ensure a safe food supply and to prevent foodborne diseases. The identification of foodborne pathogens is associated with conventional (e.g., culture-based, biochemical test-based, immunological-based, and nucleic acid-based methods) and advances (e.g., hybridization-based, array-based, spectroscopy-based, and biosensor-based process) techniques. For industrial food applications, detection methods could meet parameters such as accuracy level, efficiency, quickness, specificity, sensitivity, and non-labor intensive. This review provides an overview of conventional and advanced techniques used to detect foodborne pathogens over the years. Therefore, the scientific community, policymakers, and food and agriculture industries can choose an appropriate method for better results.
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Affiliation(s)
- Meera Probha Kabiraz
- Department of Biotechnology, Bangladesh Agricultural University, Mymensingh, 2202, Bangladesh
| | - Priyanka Rani Majumdar
- School of Biotechnology and Biomolecular Sciences, UNSW Sydney, Kensington, NSW, 2052, Australia
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - M.M. Chayan Mahmud
- CASS Food Research Centre, School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Highway, VIC, 3125, Australia
| | - Shuva Bhowmik
- Department of Fisheries and Marine Science, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
- Centre for Bioengineering and Nanomedicine, Faculty of Dentistry, Division of Health Sciences, University of Otago, Dunedin, 9054, New Zealand
- Department of Food Science, University of Otago, Dunedin, 9054, New Zealand
- Corresponding author. Centre for Bioengineering and Nanomedicine, Faculty of Dentistry, Division of Health Sciences, University of Otago, Dunedin, 9054, New Zealand.
| | - Azam Ali
- Centre for Bioengineering and Nanomedicine, Faculty of Dentistry, Division of Health Sciences, University of Otago, Dunedin, 9054, New Zealand
- Corresponding author.
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A portable and low-cost centrifugal microfluidic platform for multiplexed colorimetric detection of protein biomarkers. Anal Chim Acta 2023; 1245:340823. [PMID: 36737129 DOI: 10.1016/j.aca.2023.340823] [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: 09/23/2022] [Revised: 01/06/2023] [Accepted: 01/09/2023] [Indexed: 01/12/2023]
Abstract
Cytokines play a very important role in our immune system by acting as mediators to put up a coordinated defense against foreign elements in our body. Elevated levels of cytokines in the body can signal to an ongoing response of the immune system to some abnormality. Thus, the quantification of a panel of cytokines can provide valuable information regarding the diagnosis of specific diseases and state of overall health of an individual. Conventional Enzyme Linked Immunosorbent Assay (ELISA) is the gold-standard for quantification of cytokines, however the need for trained personnel and expensive equipment limits its application to centralized laboratories only. In this context, there is a lack of simple, low-cost and portable devices which can allow for quantification of panels of cytokines at point-of-care and/or resource limited settings. Here, we report the development of a versatile, low-cost and portable bead-based centrifugal microfluidic platform allowing for multiplexed detection of cytokines with minimal hands-on time and an integrated colorimetric signal readout without the need for any external equipment. As a model, multiplexed colorimetric quantification of three target cytokines i.e., Tumor necrosis factor alpha (TNF-α), Interferon gamma (IFN-γ) and Interleukin-2 (IL-2) was achieved in less than 30 min with limits of detection in ng/mL range. The developed platform was further evaluated using spiked-in plasma samples to test for matrix interference. The ease of use, low-cost and portability of the developed platform highlight its potential to serve as a sample-to-answer solution for detection of cytokine panels in resource limited settings.
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31
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Eshun GB, Crapo HA, Yazgan I, Cronmiller L, Sadik OA. Sugar-Lectin Interactions for Direct and Selective Detection of Escherichia coli Bacteria Using QCM Biosensor. BIOSENSORS 2023; 13:337. [PMID: 36979549 PMCID: PMC10046022 DOI: 10.3390/bios13030337] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/14/2023] [Accepted: 02/24/2023] [Indexed: 06/18/2023]
Abstract
Pathogenic Escherichia coli (E. coli) remains a safety concern in the preservation and quality of green leafy vegetables. Sugar-lectin interactions provide a reliable, specific, and effective sensing platform for the detection of bacteria as compared to the tedious conventional plate counting technique. Herein, we present the synthesis of 4-(N-mannosyl) benzoic acid (4-NMBA) and 4-thiophenyl-N-mannose (4-TNM) via a two-step reductive amination for the detection of E. coli using a quartz crystal microbalance (QCM) biosensor. The 4-NMBA was synthesized with mannose and para-aminobenzoic (4-PBA), while the 4-TNM was synthesized with mannose and 4-aminophenyl disulfide (4-AHP) using water and acetic acid in a 1:1 ratio. The resultant structure of mannose derivatives (4-NMBA and 4-TNM) was characterized and confirmed using analytical tools, such as Mass Spectrometer, SEM, and FTIR. The choice of ligands (mannose derivatives) is ascribed to the specific recognition of mannose to the FimH lectin of the type 1 pilus of E. coli. Furthermore, the 4-PBA and 4-AHP conjugated to mannose increase the ligand affinity to FimH lectins. The setup of the QCM biosensor was composed of modification of the crystal surface and the covalent attachment of ligands for the detection of E. coli. The piezoelectric effect (frequency shift of the quartz) was proportional to the change in mass added to the gold crystal surface. Both the 4-NMBA- and 4-TNM-coated QCM sensors had a limit of detection of 3.7 CFU/mL and 6.6 CFU/mL with a sensitivity of 2.56 × 103 ng/mL and 8.99 × 10-5 ng/mL, respectively, within the dynamic range of 103 to 106 CFU/mL. This study demonstrates the application of ligand-coated QCM biosensors as a cost-effective, simple, and label-free technology for monitoring pathogenic bacteria via molecular interactions on crystal surfaces.
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Affiliation(s)
- Gaddi B. Eshun
- Chemistry and Environmental Science, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA
| | - Heather A. Crapo
- Department of Chemistry, Center for Research in Advanced Sensing Technologies & Environmental Sustainability (CREATES), State University of New York at Binghamton, Binghamton, NY 13902, USA
| | - Idris Yazgan
- Department of Chemistry, Center for Research in Advanced Sensing Technologies & Environmental Sustainability (CREATES), State University of New York at Binghamton, Binghamton, NY 13902, USA
| | - Lauren Cronmiller
- Department of Chemistry, Center for Research in Advanced Sensing Technologies & Environmental Sustainability (CREATES), State University of New York at Binghamton, Binghamton, NY 13902, USA
| | - Omowunmi A. Sadik
- Chemistry and Environmental Science, New Jersey Institute of Technology, University Heights, Newark, NJ 07102, USA
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32
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Microfluidic biosensor for one-step detection of multiplex foodborne bacteria ssDNA simultaneously by smartphone. Talanta 2023; 253:123980. [PMID: 36201954 DOI: 10.1016/j.talanta.2022.123980] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 09/21/2022] [Accepted: 09/27/2022] [Indexed: 12/13/2022]
Abstract
As a major threat to food safety due to their pathogenicity, foodborne bacteria have received much attention. In this paper, we present a one-step and wash-free microfluidic biosensor platform by smartphone for simultaneous multiple foodborne bacteria target single-stranded DNA (ssDNA) detection. This technology is based on the fluorescence resonance energy transfer (FRET) between the graphene oxide (GO) and fluorescence molecules modified capture ssDNA of the target bacteria ssDNA (ctDNA) which were coated on the microfluidic chips. The fluorescence recovery was recorded by a smartphone fluorescent detector. With an optimal analytical performance, the platform realized the detection of four kinds of bacteria ssDNA simultaneously within 5 min, with the limits of detection (LODs) of 0.17, 0.18, 0.27, and 0.17 nM, respectively. And the throughput analysis of trace amounts of foodborne bacteria ssDNA in milk and water samples were successfully detected. This one-step and wash-free microfluidic biosensor can be used as a tool for food safety analysis.
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33
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Li J, Chen J, Dai Y, Liu Z, Zhao J, Liu S, Xiao R. Magnetic SERS Strip Based on 4-mercaptophenylboronic Acid-Modified Fe 3O 4@Au for Active Capture and Simultaneous Detection of Respiratory Bacteria. BIOSENSORS 2023; 13:210. [PMID: 36831976 PMCID: PMC9953780 DOI: 10.3390/bios13020210] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/16/2023] [Accepted: 01/18/2023] [Indexed: 06/18/2023]
Abstract
The rapid diagnosis and detection of respiratory bacteria at the early stage can effectively control the epidemic spread and bacterial infection. Here, we designed a rapid, ultrasensitive, and quantitative lateral flow immunoassay (LFA) strip for simultaneous detection of respiratory bacteria S. aureus and S. pneumoniae. In this assay, the surface enhanced Raman scattering (SERS) tags were designed through combining magnetite Raman enhancement nanoparticle Fe3O4@Au/DTNB and recognition element 4-mercaptophenylboronic acid (4-MPBA). Further, 4-MPBA could capture multiple bacteria in a complex environmental solution. Based on the strategies, Fe3O4@Au/DTNB-mediated magnetic enrichment and 4-MPBA-mediated universal capture capabilities improved the detection sensitivity, the limits of detection for S. aureus and S. pneumoniae were as low as 8 and 13 CFU mL-1, respectively, which were more sensitive than those of colloidal gold method. The Fe3O4@Au/DTNB/Au/4-MPBA-LFA also exhibited good reproducibility, excellent specificity, and high recovery rates in sputum samples, indicating its potential application in the detection of respiratory bacteria samples.
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Affiliation(s)
- Jingfei Li
- Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Jin Chen
- Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
- Department of Clinical Laboratory, Beijing Ditan Hospital, Capital Medical University, Beijing 100015, China
| | - Yuwei Dai
- Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Zhenzhen Liu
- Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Junnan Zhao
- Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
| | - Shuchen Liu
- Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Rui Xiao
- Beijing Institute of Microbiology and Epidemiology, Beijing 100071, China
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Yang Q, Wu D, Aziz A, Deng S, Zhou L, Chen W, Asif M, Wang S. Colorimetric platform based on synergistic effect between bacteriophage and AuPt nanozyme for determination of Yersinia pseudotuberculosis. Mikrochim Acta 2023; 190:76. [PMID: 36708389 DOI: 10.1007/s00604-023-05643-z] [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: 09/12/2022] [Accepted: 12/31/2022] [Indexed: 01/29/2023]
Abstract
The development of a novel colorimetric method is reported, using vB_YepM_ZN18 phages along with AuPt nanozyme for the sensitive detection of Y. pseudotuberculosis. The phage used in this work has been extracted from hospital sewer water and is highly specific toward Y. pseudotuberculosis. The synthesized AuPt NPs possess peroxidase-like activity, which is suitable in the development of nanozyme based detection system. Furthermore, phages@MB and AuPt@phages are added into the bacterial samples for co-incubation, forming an intercalated complex. The magnetic separation and absorbance analysis of enzymatic reaction are carried out for the detection of targeted bacteria. The proposed method has a limit of detection of 14 CFU/mL, a wide linear range from 2.50 × 101 ~ 2.50 × 107 CFU/mL and the assay completion time is 40 min. Benefitting from the outperformance of this sensor, we have successfully employed the developed sensing platform for the detection of Y. pseudotuberculosis in food industry and hospital specimens.
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Affiliation(s)
- Qiaoli Yang
- Advanced Biomaterials & Tissue Engineering Centre, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Dan Wu
- Advanced Biomaterials & Tissue Engineering Centre, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Ayesha Aziz
- Advanced Biomaterials & Tissue Engineering Centre, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Sangsang Deng
- Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China.,University of Chinese Academy of Sciences, Beijing, 100039, People's Republic of China
| | - Lei Zhou
- Advanced Biomaterials & Tissue Engineering Centre, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Wei Chen
- Advanced Biomaterials & Tissue Engineering Centre, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Muhammad Asif
- School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan, 430205, People's Republic of China.
| | - Shenqi Wang
- Advanced Biomaterials & Tissue Engineering Centre, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
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Banerjee T, Panchal N, Sutton C, Elliott R, Patel T, Kajal K, Arogunyo E, Koti N, Santra S. Tunable Magneto-Plasmonic Nanosensor for Sensitive Detection of Foodborne Pathogens. BIOSENSORS 2023; 13:109. [PMID: 36671944 PMCID: PMC9856065 DOI: 10.3390/bios13010109] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2022] [Revised: 01/02/2023] [Accepted: 01/04/2023] [Indexed: 06/17/2023]
Abstract
Frequent outbreaks of food-borne pathogens, particularly E. coli O157:H7, continue to impact human health and the agricultural economy tremendously. The required cell count for this pathogenic strain of E. coli O157:H7 is relatively low and hence it is vital to detect at low colony forming unit (CFU) counts. Available detection methods, though sensitive, fall short in terms of timeliness and often require extensive sample processing. To overcome these limitations, we propose a novel magneto-plasmonic nanosensor (MPnS) by integrating surface plasmon resonance (SPR) properties with spin-spin magnetic relaxation (T2 MR) technology. We engineered MPnS by encapsulating several gold nanoparticles (GNPs) within the polymer-coating of iron oxide nanoparticles (IONPs). First, the polyacrylic acid (PAA)-coated IONPs were synthesized using a solvent precipitation method, then gold chloride solution was used to synthesize GNPs and encapsulate them within the PAA-coatings of IONPs in one step. A magnetic separation technique was used to purify the MPnS and the presence of GNPs within IONPs was characterized using transmission electron microscopy (TEM), energy dispersive x-ray spectroscopy (EDS), and other spectroscopic methods. The synthesized MPnS exhibits MR relaxation properties while possessing amplified optical properties than conventional GNPs. This allows for rapid and ultrasensitive detection of E. coli O157:H7 by SPR, T2 MR, and colorimetric readout. Experiments conducted in simple buffer and in milk as a complex media demonstrated that our MPnS-based assay could detect as low as 10 CFUs of this pathogenic strain of E. coli O157:H7 in minutes with no cross-reactivity. Overall, the formulated MPnS is robust and holds great potential for the ultrasensitive detection of E. coli O157:H7 in a simple and timely fashion. Moreover, this platform is highly customizable and can be used for the detection of other foodborne pathogens.
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Affiliation(s)
- Tuhina Banerjee
- Department of Chemistry and Biochemistry, College of Natural and Applied Sciences, Missouri State University, 901 S. National Avenue, Springfield, MO 65897, USA
| | - Nilamben Panchal
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
| | - Carissa Sutton
- Department of Chemistry and Biochemistry, College of Natural and Applied Sciences, Missouri State University, 901 S. National Avenue, Springfield, MO 65897, USA
| | - Rebekah Elliott
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
| | - Truptiben Patel
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
| | - Kajal Kajal
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
| | - Eniola Arogunyo
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
| | - Neelima Koti
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
| | - Santimukul Santra
- Department of Chemistry, College and Arts and Sciences, Pittsburg State University, 1701 S. Broadway Street, Pittsburg, KS 66762, USA
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Mazur F, Tjandra AD, Zhou Y, Gao Y, Chandrawati R. Paper-based sensors for bacteria detection. NATURE REVIEWS BIOENGINEERING 2023; 1:180-192. [PMID: 36937095 PMCID: PMC9926459 DOI: 10.1038/s44222-023-00024-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/09/2023] [Indexed: 02/16/2023]
Abstract
The detection of pathogenic bacteria is essential to prevent and treat infections and to provide food security. Current gold-standard detection techniques, such as culture-based assays and polymerase chain reaction, are time-consuming and require centralized laboratories. Therefore, efforts have focused on developing point-of-care devices that are fast, cheap, portable and do not require specialized training. Paper-based analytical devices meet these criteria and are particularly suitable to deployment in low-resource settings. In this Review, we highlight paper-based analytical devices with substantial point-of-care applicability for bacteria detection and discuss challenges and opportunities for future development.
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Affiliation(s)
- Federico Mazur
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Angie Davina Tjandra
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Yingzhu Zhou
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Yuan Gao
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Rona Chandrawati
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
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37
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Ultrasensitive detection of pathogenic bacteria by primer exchange reaction coupled with PGM. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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38
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Liu Y, Thaker H, Wang C, Xu Z, Dong M. Diagnosis and Treatment for Shiga Toxin-Producing Escherichia coli Associated Hemolytic Uremic Syndrome. Toxins (Basel) 2022; 15:10. [PMID: 36668830 PMCID: PMC9862836 DOI: 10.3390/toxins15010010] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/13/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022] Open
Abstract
Shiga toxin-producing Escherichia coli (STEC)-associated hemolytic uremic syndrome (STEC-HUS) is a clinical syndrome involving hemolytic anemia (with fragmented red blood cells), low levels of platelets in the blood (thrombocytopenia), and acute kidney injury (AKI). It is the major infectious cause of AKI in children. In severe cases, neurological complications and even death may occur. Treating STEC-HUS is challenging, as patients often already have organ injuries when they seek medical treatment. Early diagnosis is of great significance for improving prognosis and reducing mortality and sequelae. In this review, we first briefly summarize the diagnostics for STEC-HUS, including history taking, clinical manifestations, fecal and serological detection methods for STEC, and complement activation monitoring. We also summarize preventive and therapeutic strategies for STEC-HUS, such as vaccines, volume expansion, renal replacement therapy (RRT), antibiotics, plasma exchange, antibodies and inhibitors that interfere with receptor binding, and the intracellular trafficking of the Shiga toxin.
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Affiliation(s)
- Yang Liu
- Department of Nephrology, The First Hospital of Jilin University, Changchun 130021, China
- Department of Urology, Boston Children’s Hospital, Boston, MA 02115, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
- Department of Surgery, Harvard Medical School, Boston, MA 02115, USA
| | - Hatim Thaker
- Department of Urology, Boston Children’s Hospital, Boston, MA 02115, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
- Department of Surgery, Harvard Medical School, Boston, MA 02115, USA
| | - Chunyan Wang
- Department of Nephrology, Children’s Hospital of Fudan University, Shanghai 201102, China
| | - Zhonggao Xu
- Department of Nephrology, The First Hospital of Jilin University, Changchun 130021, China
| | - Min Dong
- Department of Urology, Boston Children’s Hospital, Boston, MA 02115, USA
- Department of Microbiology, Harvard Medical School, Boston, MA 02115, USA
- Department of Surgery, Harvard Medical School, Boston, MA 02115, USA
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39
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Qin Z, Huang Z, Pan P, Pan Y, Zuo R, Sun Y, Liu X. A Nitrocellulose Paper-Based Multi-Well Plate for Point-of-Care ELISA. MICROMACHINES 2022; 13:mi13122232. [PMID: 36557531 PMCID: PMC9782299 DOI: 10.3390/mi13122232] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 12/08/2022] [Accepted: 12/10/2022] [Indexed: 05/09/2023]
Abstract
Low-cost diagnostic tools for point-of-care immunoassays, such as the paper-based enzyme-linked immunoassay (ELISA), have become increasingly important, especially so in the recent COVID-19 pandemic. ELISA is the gold-standard antibody/antigen sensing method. This paper reports an easy-to-fabricate nitrocellulose (NC) paper plate, coupled with a desktop scanner for ELISA, which provides a higher protein immobilization efficiency than the conventional cellulose paper-based ELISA platforms. The experiments were performed using spiked samples for the direct ELISA of rabbit IgG with a limit of detection (LOD) of 1.016 μg/mL, in a measurement range of 10 ng/mL to 1 mg/mL, and for the sandwich ELISA of sperm protein (SP-10) with an LOD of 88.8 ng/mL, in a measurement range of 1 ng/mL to 100 μg/mL. The described fabrication method, based on laser-cutting, is a highly flexible one-step laser micromachining process, which enables the rapid production of low-cost NC paper-based multi-well plates with different sizes for the ELISA measurements.
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Affiliation(s)
- Zhen Qin
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Zongjie Huang
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Peng Pan
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Yueyue Pan
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Runze Zuo
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
| | - Yu Sun
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
- Correspondence: (Y.S.); (X.L.)
| | - Xinyu Liu
- Department of Mechanical and Industrial Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G8, Canada
- Correspondence: (Y.S.); (X.L.)
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40
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Zhang Y, Liu Y, Yang Y, Li L, Tao X, Song E. Rapid detection of pathogenic bacteria based on a universal dual-recognition FRET sensing system constructed with aptamer-quantum dots and lectin-gold nanoparticles. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108102] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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41
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Pant A, Kaur T, Sharma T, Singh J, Suttee A, Barnwal RP, Kaur IP, Singh G, Singh B. A glass matrices-assisted quantum dots-based biosensor for selective capturing and detection of Escherichia coli. JOURNAL OF WATER AND HEALTH 2022; 20:1673-1687. [PMID: 36573672 DOI: 10.2166/wh.2022.293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Bacterial contamination of water and food is a grave health concern rendering humans quite vulnerable to disease(s), and proving, at times, fatal too. Exploration of the novel diagnostic tools is, accordingly, highly called for to ensure rapid detection of the pathogenic bacteria, particularly Escherichia coli. The current manuscript, accordingly, reports the use of silane-functionalized glass matrices and antibody-conjugated cadmium telluride (CdTe) quantum dots (QDs) for efficient detection of E. coli. Synthesis of QDs (size: 5.4-6.8 nm) using mercaptopropionic acid (MPA) stabilizer yielded stable photoluminescence (∼62%), corroborating superior fluorescent characteristics. A test sample, when added to antibody-conjugated matrices, followed by antibody-conjugated CdTe-MPA QDs, formed a pathogen-antibody QDs complex. The latter, during confocal microscopy, demonstrated rapid detection of the selectively captured pathogenic bacteria (10 microorganism cells/10 μL) with enhanced sensitivity and specificity. The work, overall, encompasses establishment and design of an innovative detection platform in microbial diagnostics for rapid capturing of pathogens in water and food samples.
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Affiliation(s)
- Anjali Pant
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India 160014
| | - Taranvir Kaur
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India 160014
| | - Teenu Sharma
- Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India 140401
| | - Joga Singh
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India 160014
| | - Ashish Suttee
- Department of Pharmacognosy, School of Pharmaceutical Sciences, Lovely Professional University, Jalandhar, Punjab, India
| | | | - Indu Pal Kaur
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India 160014
| | - Gurpal Singh
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India 160014
| | - Bhupinder Singh
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh, India 160014 ; Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab, India 140401
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42
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Application of bottom ash from cattle manure combustion for removing fluoride and inactivating pathogenic bacteria in wastewater. Chem Eng Res Des 2022. [DOI: 10.1016/j.cherd.2022.09.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Pakbin B, Brück WM, Brück TB, Allahyari S, Ashrafi Tamai I. A quantitative prevalence of Escherichia coliO157 in different food samples using real-time qPCR method. Food Sci Nutr 2022; 11:228-235. [PMID: 36655112 PMCID: PMC9834875 DOI: 10.1002/fsn3.3055] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/09/2022] [Accepted: 08/25/2022] [Indexed: 01/21/2023] Open
Abstract
Escherichia coli serogroup O157 is the main causative agent of several intestinal and extra-intestinal foodborne diseases in humans through consumption of low-dose contaminated foods such as milk, beef, and vegetables. To date, studies regarding the quantitative prevalence of E. coli O157 in foods are so limited. Therefore, this study aimed to evaluate the quantitative prevalence rate of E. coli serogroup O157 in raw milk (n = 144), vegetable salad (n = 174), and minced beef samples (n = 108) using the real-time qPCR SYBR green melting curve method targeting the rfbA gene. First, we evaluated the method and found a sensitive and specific qPCR assay with 1 log of CFU/ml detection limit to detect E. coli O157 (Tm = 80.3 ± 0.1°C). About 2.77%, 10.18%, and 9.19% of raw milk, minced beef, and vegetable salad samples, respectively, were contaminated with E. coli O157. Minced beef and vegetable salad samples were significantly more contaminated than raw milk samples. Population average of E. coli O157 in raw milk, minced beef, and vegetable salad samples were 2.22 ± 0.57, 3.30 ± 0.40, and 1.65 ± 0.44 log CFU/ml or gr, respectively. Significantly higher levels of population of E. coli O157 were observed in minced beef samples. Minced beef can be regarded as the main food in the transmission of this foodborne pathogen. Routine quantitative rapid monitoring is strongly suggested to be carried out to prevent foodborne diseases caused by E. coli O157.
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Affiliation(s)
- Babak Pakbin
- Institute for Life TechnologiesUniversity of Applied Sciences Western Switzerland Valais‐WallisSion 2Switzerland,Department of Chemistry, Werner Siemens Chair of Synthetic BiotechnologyTechnical University of Munich (TUM)MünchenGermany,Medical Microbiology Research CenterQazvin University of Medical SciencesQazvinIran
| | - Wolfram Manuel Brück
- Institute for Life TechnologiesUniversity of Applied Sciences Western Switzerland Valais‐WallisSion 2Switzerland
| | - Thomas B. Brück
- Department of Chemistry, Werner Siemens Chair of Synthetic BiotechnologyTechnical University of Munich (TUM)MünchenGermany
| | - Samaneh Allahyari
- Medical Microbiology Research CenterQazvin University of Medical SciencesQazvinIran
| | - Iradj Ashrafi Tamai
- Department of Microbiology and Immunology, Faculty of Veterinary MedicineUniversity of TehranTehranIran
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Nasir NSA, Deivasigamani R, Wee MFMR, Hamzah AA, Zaid MHM, Rahim MKA, Kayani AA, Abdulhameed A, Buyong MR. Protein Albumin Manipulation and Electrical Quantification of Molecular Dielectrophoresis Responses for Biomedical Applications. MICROMACHINES 2022; 13:mi13081308. [PMID: 36014230 PMCID: PMC9415755 DOI: 10.3390/mi13081308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/06/2022] [Accepted: 08/07/2022] [Indexed: 05/17/2023]
Abstract
Research relating to dielectrophoresis (DEP) has been progressing rapidly through time as it is a strong and controllable technique for manipulation, separation, preconcentration, and partitioning of protein. Extensive studies have been carried out on protein DEP, especially on Bovine Serum Albumin (BSA). However, these studies involve the usage of dye and fluorescent probes to observe DEP responses as the physical properties of protein albumin molecular structure are translucent. The use of dye and the fluorescent probe could later affect the protein's physiology. In this article, we review three methods of electrical quantification of DEP responses: electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV) and capacitance measurement for protein BSA DEP manipulation. The correlation of these methods with DEP responses is further discussed. Based on the observations on capacitance measurement, it can be deduced that the electrical quantifying method is reliable for identifying DEP responses. Further, the possibility of manipulating the protein and electrically quantifying DEP responses while retaining the original physiology of the protein and without the usage of dye or fluorescent probe is discussed.
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Affiliation(s)
- Nur Shahira Abdul Nasir
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Revathy Deivasigamani
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - M. F. Mohd Razip Wee
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Azrul Azlan Hamzah
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Mohd Hazani Mat Zaid
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | | | - Aminuddin Ahmad Kayani
- Functional Materials and Microsystems Research Group and the Micro Nano Research Facility, School of Engineering, RMIT University, Melbourne, VIC 3001, Australia
| | - Abdullah Abdulhameed
- Department of Electronics & Communication Engineering, Faculty of Engineering & Petroleum, Hadhramout University, Al-Mukalla 50512, Hadhramout, Yemen
| | - Muhamad Ramdzan Buyong
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
- Correspondence: ; Tel.: +60-12-385-2713
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Liu YQ, Zhu W, Yuan Q, Hu JM, Zhang X, Shen AG. Photoreduced Ag+ surrounding single poly(4-cyanostyrene) nanoparticles for undifferentiated SERS sensing and killing of bacteria. Talanta 2022; 245:123450. [DOI: 10.1016/j.talanta.2022.123450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 03/30/2022] [Accepted: 04/03/2022] [Indexed: 11/26/2022]
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46
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Li Z, Jiang Y, Tang S, Zou H, Wang W, Qi G, Zhang H, Jin K, Wang Y, Chen H, Zhang L, Qu X. 2D nanomaterial sensing array using machine learning for differential profiling of pathogenic microbial taxonomic identification. Mikrochim Acta 2022; 189:273. [PMID: 35792975 PMCID: PMC9259531 DOI: 10.1007/s00604-022-05368-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/04/2022] [Indexed: 11/28/2022]
Abstract
An integrated custom cross-response sensing array has been developed combining the algorithm module’s visible machine learning approach for rapid and accurate pathogenic microbial taxonomic identification. The diversified cross-response sensing array consists of two-dimensional nanomaterial (2D-n) with fluorescently labeled single-stranded DNA (ssDNA) as sensing elements to extract a set of differential response profiles for each pathogenic microorganism. By altering the 2D-n and different ssDNA with different sequences, we can form multiple sensing elements. While interacting with microorganisms, the competition between ssDNA and 2D-n leads to the release of ssDNA from 2D-n. The signals are generated from binding force driven by the exfoliation of either ssDNA or 2D-n from the microorganisms. Thus, the signal is distinguished from different ssDNA and 2D-n combinations, differentiating the extracted information and visualizing the recognition process. Fluorescent signals collected from each sensing element at the wavelength around 520 nm are applied to generate a fingerprint. As a proof of concept, we demonstrate that a six-sensing array enables rapid and accurate pathogenic microbial taxonomic identification, including the drug-resistant microorganisms, under a data size of n = 288. We precisely identify microbial with an overall accuracy of 97.9%, which overcomes the big data dependence for identifying recurrent patterns in conventional methods. For each microorganism, the detection concentration is 105 ~ 108 CFU/mL for Escherichia coli, 102 ~ 107 CFU/mL for E. coli-β, 103 ~ 108 CFU/mL for Staphylococcus aureus, 103 ~ 107 CFU/mL for MRSA, 102 ~ 108 CFU/mL for Pseudomonas aeruginosa, 103 ~ 108 CFU/mL for Enterococcus faecalis, 102 ~ 108 CFU/mL for Klebsiella pneumoniae, and 103 ~ 108 CFU/mL for Candida albicans. Combining the visible machine learning approach, this sensing array provides strategies for precision pathogenic microbial taxonomic identification.
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Affiliation(s)
- Zhijun Li
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China
| | - Yizhou Jiang
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China
| | - Shihuan Tang
- Department of Clinical Laboratory, The Seventh Affiliated Hospital of Sun Yat-Sen University, Shenzhen, 518017, Guangdong, China
| | - Haixia Zou
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China
| | - Wentao Wang
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China
| | - Guangpei Qi
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China
| | - Hongbo Zhang
- Pharmaceutical Sciences Laboratory, Åbo Akademi University, 20520, Turku, Finland.
- Turku Bioscience Centre, University of Turku and Åbo Akademi University, 20520, Turku, Finland.
| | - Kun Jin
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China
| | - Yuhe Wang
- School of Petroleum Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China
| | - Hong Chen
- Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen, 361005, China
| | - Liyuan Zhang
- School of Petroleum Engineering, State Key Laboratory of Heavy Oil Processing, China University of Petroleum (East China), Qingdao, 266580, China.
- Harvard John A. Paulson School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA.
| | - Xiangmeng Qu
- Key Laboratory of Sensing Technology and Biomedical Instruments of Guangdong Province, School of Biomedical Engineering, Sun Yat-Sen University, Shenzhen, 518017, China.
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Somvanshi SB, Ulloa AM, Zhao M, Liang Q, Barui AK, Lucas A, Jadhav K, Allebach JP, Stanciu LA. Microfluidic paper-based aptasensor devices for multiplexed detection of pathogenic bacteria. Biosens Bioelectron 2022; 207:114214. [DOI: 10.1016/j.bios.2022.114214] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/19/2022] [Accepted: 03/21/2022] [Indexed: 12/22/2022]
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48
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A surface-enhanced Raman scattering aptasensor for Escherichia coli detection based on high-performance 3D substrate and hot spot effect. Anal Chim Acta 2022; 1221:340141. [DOI: 10.1016/j.aca.2022.340141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/29/2022] [Accepted: 06/29/2022] [Indexed: 11/18/2022]
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49
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Ranjbaran M, Verma MS. Microfluidics at the interface of bacteria and fresh produce. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.07.014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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50
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Single Escherichia coli bacteria detection using a chemiluminescence digital microwell array chip. Biosens Bioelectron 2022; 215:114594. [DOI: 10.1016/j.bios.2022.114594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 07/14/2022] [Accepted: 07/20/2022] [Indexed: 11/20/2022]
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