ArticleSensors (Basel, Switzerland)2015
Electrochemical Impedance Immunosensor Based on Self-Assembled Monolayers for Rapid Detection of Escherichia coli O157:H7 with Signal Amplification Using Lectin.
Article in Sensors (Basel, Switzerland), 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers.
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Who cites it
19 citing papers in PubMed.
- Biosensor Technologies for Water Quality: Detection of Emerging Contaminants and Pathogens.Biosensors · 2025Review
- Highly sensitive SERS platform for pathogen analysis by cyclic DNA nanostructure@AuNP tags and cascade primer exchange reaction.Journal of nanobiotechnology · 2024Article
- FeBiosensors · 2023Article
- A microfluidic biosensor for the diagnosis of chronic wasting disease.Microsystems & nanoengineering · 2023Article
- Silver Halide-Based Nanomaterials in Biomedical Applications and Biosensing Diagnostics.Nanoscale research letters · 2022Review
- On-site detection of food and waterborne bacteria - current technologies, challenges, and future directions.Trends in food science & technology · 2021Article
- Electrochemical Biosensing Interface Based on Carbon Dots-FeFrontiers in chemistry · 2021Article
- Electrochemical Immuno- and Aptamer-Based Assays for Bacteria: Pros and Cons over Traditional Detection Schemes.Sensors (Basel, Switzerland) · 2020Review
- Comparative Study of Electrochemical Biosensors Based on Highly Efficient Mesoporous ZrOACS omega · 2020Article
- Electrochemical biosensors for pathogen detection.Biosensors & bioelectronics · 2020Review
- A review on impedimetric immunosensors for pathogen and biomarker detection.Medical microbiology and immunology · 2020Review
- Recent Progress on the Electrochemical Biosensing ofBiosensors · 2020Review
- Detection of the Plant PathogenSensors (Basel, Switzerland) · 2019Article
- Suppressing Non-Specific Binding of Proteins onto Electrode Surfaces in the Development of Electrochemical Immunosensors.Biosensors · 2019Review
- Immuno-impedimetric Biosensor for Onsite Monitoring of Ascospores and Forecasting of Sclerotinia Stem Rot of Canola.Scientific reports · 2018Article
- Rapid Waterborne Pathogen Detection with Mobile Electronics.Sensors (Basel, Switzerland) · 2017Article
- Nanotechnology in Glycomics: Applications in Diagnostics, Therapy, Imaging, and Separation Processes.Medicinal research reviews · 2017Review
- Improvement of Depth Profiling into Biotissues Using Micro Electrical Impedance Spectroscopy on a Needle with Selective Passivation.Sensors (Basel, Switzerland) · 2016Article
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Authors and funding
4 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Escherichia coli O157:H7 is a predominant foodborne pathogen with severe pathogenicity, leading to increasing attention given to rapid and sensitive detection. Herein, we propose an impedance biosensor using new kinds of screen-printed interdigitated microelectrodes (SPIMs) and wheat germ agglutinin (WGA) for signal amplification to detect E. coli O157:H7 with high sensitivity and time-efficiency. The SPIMs integrate the high sensitivity and short response time of the interdigitated electrodes and the low cost of the screen-printed electrodes. Self-assembling of bi-functional 3-dithiobis-(sulfosuccinimidyl-propionate) (DTSP) on the SPIMs was investigated and was proved to be able to improve adsorption quantity and stability of biomaterials. WGA was further adopted to enhance the signal taking advantage of the abundant lectin-binding sites on the bacteria surface. The immunosensor exhibited a detection limit of 102 cfu·mL(-1), with a linear detection range from 10(2) to 10(7) cfu·mL(-1) (r2 = 0.98). The total detection time was less than 1 h, showing its comparable sensitivity and rapid response. Furthermore, the low cost of one SPIM significantly reduced the detection cost of the biosensor. The biosensor may have great promise in food safety analysis and lead to a portable biosensing system for routine monitoring of foodborne pathogens.
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Registered trials
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