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Nanomaterials and Their Recent Applications in Impedimetric Biosensing
Zala Štukovnik1, Regina Fuchs-Godec1, Urban Bren1,2,3
1Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova Ulica 17, 2000 Maribor, Slovenia.
Biosensors
|October 27, 2023
Summary
Nanomaterials enhance impedimetric biosensors by increasing surface area for improved sensitivity and detection limits. This review covers nanoparticle-functionalized electrochemical-impedimetric biosensors for diverse applications.
Area of Science:
- Electrochemistry
- Nanotechnology
- Biosensing
Background:
- Impedimetric biosensors detect biochemical processes via electrical impedance changes.
- Nanomaterials can enhance biosensor performance by increasing surface area for biorecognition.
- Various nanomaterials show promise for improving biosensor sensitivity and selectivity.
Purpose of the Study:
- To review recent advancements in nanoparticle-functionalized electrochemical-impedimetric biosensors.
- To highlight the role of nanomaterials in improving biosensor performance.
- To discuss the potential applications of these advanced biosensing platforms.
Main Methods:
- Review of literature on nanomaterial applications in impedimetric biosensors.
- Focus on nanoparticle-functionalized electrochemical-impedimetric systems.
- Analysis of performance improvements in sensitivity and detection limits.
Main Results:
- Nanomaterials significantly enhance surface area, leading to improved sensitivity and lower detection limits.
- Various nanomaterials (e.g., carbon nanotubes, nanoparticles, graphene oxide) show effectiveness.
- Nanoparticle functionalization boosts selectivity and overall biosensor performance.
Conclusions:
- Nanoparticle-functionalized impedimetric biosensors offer advanced sensing capabilities.
- These biosensors have broad applications in healthcare, environmental monitoring, and food safety.
- Nanomaterials are key to developing next-generation biosensing platforms.
