ArticleAnalytical and bioanalytical chemistry2022
Electrochemical immunosensors using electrodeposited gold nanostructures for detecting the S proteins from SARS-CoV and SARS-CoV-2.
Article in Analytical and bioanalytical chemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers.
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Who cites it
29 citing papers in PubMed, 83 citations in OpenAlex.
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- In situ growth of Au nanowires based wearable sensor for real-time monitoring of uric acid metabolite in sweat.Analytical and bioanalytical chemistry · 2026Article
- Nanoyeast-based impedimetric biosensor with mutated single chain antigen-binding fragment anchoring for SARS-CoV-2 detection.Biomedical microdevices · 2026Article
- Paper-Based Electrochemical Device Modified with Palladium: Sensor for the Detection of Serotonin and an Immunosensor for the Detection of SOD1.ACS omega · 2025Article
- Low-Cost, Disposable Biosensor for Detection of the Brain-Derived Neurotrophic Factor Biomarker in Noninvasively Collected Saliva toward Diagnosis of Mental Disorders.ACS polymers Au · 2025Article
- Sustainable Wearable Sensors for Plant Monitoring and Precision Agriculture.Analytical chemistry · 2025Review
- Electrochemical immunosensor based on poly(5-aminoindole) for cancer biomarker pentraxin-3 detection.Mikrochimica acta · 2025Article
- Recent Progress of Polymer-Based Biosensors for Cancer Diagnostic Applications: Natural versus Synthetic Polymers.ACS omega · 2025Review
- Using Machine Learning and Optical Microscopy Image Analysis of Immunosensors Made on Plasmonic Substrates: Application to Detect the SARS-CoV-2 Virus.ACS sensors · 2025Article
- Protein Stacking on the APTES-Functionalized Pyrochlore BiACS applied materials & interfaces · 2025Article
- Parkinson biomarker determination with an Au microflower-enhanced electrochemical immunosensor using non-Faradaic capacitance measurements.Mikrochimica acta · 2024Article
- Nanomaterial-Based Sensors for Coumarin Detection.ACS omega · 2024Review
- Study of VACS applied materials & interfaces · 2024Article
- Advances in nanobiosensors during the COVID-19 pandemic and future perspectives for the post-COVID era.Nano convergence · 2024Review
- COVID severity test (CoST sensor)-An electrochemical immunosensing approach to stratify disease severity.Bioengineering & translational medicine · 2023Article
- Article
- Updates on the Biofunctionalization of Gold Nanoparticles for the Rapid and Sensitive Multiplatform Diagnosis of SARS-CoV-2 Virus and Its Proteins: From Computational Models to Validation in Human Samples.International journal of molecular sciences · 2023Review
- Emerging trends in point-of-care biosensing strategies for molecular architectures and antibodies of SARS-CoV-2.Biosensors & bioelectronics: X · 2023Review
- Using Nanomaterials for SARS-CoV-2 Sensing via Electrochemical Techniques.Micromachines · 2023Review
Corrections and comments
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Authors and funding
10 authors at 2 institutions in 1 country.
Funding
Abstract
This paper reports the development of a low-cost (< US$ 0.03 per device) immunosensor based on gold-modified screen-printed carbon electrodes (SPCEs). As a proof of concept, the immunosensor was tested for a fast and sensitive determination of S proteins from both SARS-CoV and SARS-CoV-2, by a single disposable device. Gold nanoparticles were electrochemically deposited via direct reduction of gold ions on the electrode using amperometry. Capture antibodies from spike (S) protein were covalently immobilized on carboxylic groups of self-assembled monolayers (SAM) of mercaptoacetic acid (MAA) attached to the gold nanoparticles. Label-free detection of S proteins from both SARS-CoV and SARS-CoV-2 was performed with electrochemical impedance spectroscopy (EIS). The immunosensor fabricated with 9 s gold deposition had a high performance in terms of selectivity, sensitivity, and low limit of detection (LOD) (3.16 pmol L
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Registered trials
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