ArticleMikrochimica acta2019
An impedimetric biosensor for E. coli O157:H7 based on the use of self-assembled gold nanoparticles and protein G.
Article in Mikrochimica acta, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.
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Who cites it
16 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Biomolecules and Electrochemical Tools in Chronic Non-Communicable Disease Surveillance: A Systematic Review.Biosensors · 2020Pooled it
- Conventional and advanced detection techniques of foodborne pathogens: A comprehensive review.Heliyon · 2023Article
- Development of portable sensor for the detection of bacteria: effect of gold nanoparticle size, effective surface area, and interparticle spacing upon sensing interface.Discover nano · 2023Article
- Sugar-Lectin Interactions for Direct and Selective Detection ofBiosensors · 2023Article
- A Proof-of-Concept Electrochemical Cytosensor Based onBiosensors · 2022Article
- Sandwich-Based Immunosensor for Dual-Mode Detection of Pathogenic F17-PositiveInternational journal of molecular sciences · 2022Article
- Thiolated Nanoparticles for Biomedical Applications: Mimicking the Workhorses of Our Body.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Review
- Electrochemical Impedance Spectroscopy (EIS): Principles, Construction, and Biosensing Applications.Sensors (Basel, Switzerland) · 2021Review
- Review
- Improvement strategies of food supply chain through novel food processing technologies during COVID-19 pandemic.Food control · 2021Review
- QCM Sensor Arrays, Electroanalytical Techniques and NIR Spectroscopy Coupled to Multivariate Analysis for Quality Assessment of Food Products, Raw Materials, Ingredients and Foodborne Pathogen Detection: Challenges and Breakthroughs.Sensors (Basel, Switzerland) · 2020Review
- Determination of p53 biomarker using an electrochemical immunoassay based on layer-by-layer films with NiFeMikrochimica acta · 2020Article
- Electrochemical impedimetric biosensors for food safety.Food science and biotechnology · 2020Review
- Screen Printed Based Impedimetric Immunosensor for Rapid Detection ofSensors (Basel, Switzerland) · 2020Article
- A graphene electrode functionalized with aminoterephthalic acid for impedimetric immunosensing of Escherichia coli.Mikrochimica acta · 2019Article
- Electrochemical determination of Salmonella typhimurium by using aptamer-loaded gold nanoparticles and a composite prepared from a metal-organic framework (type UiO-67) and graphene.Mikrochimica acta · 2019Article
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4 authors.
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Abstract
Two kinds of electrochemical impedimetric biosensors for the detection of E. coli O157:H7 are described and compared. They were fabricated using self-assembled layers of thiolated protein G (PrG-thiol) on (i) planar gold electrodes and (ii) gold nanoparticles (Au NPs) modified gold electrodes. The fabrications of the biosensors were characterized using cyclic voltammetry, electrochemical impedance spectroscopy, scanning electron microscopy and atomic force microscopy techniques. The modification of the planar gold electrode by Au NPs via self-assembled monolayer of 1,6-hexadithiol as a linker molecule increased the electrochemically active surface area by about 2.2 times. The concentration of PrG-thiol and its incubation time, as well as the concentration of IgG were optimized. The Au NP-based biosensor exhibited a limit of detection of 48 colony forming unit (cfu mL
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