Graphene-based materials and electrochemical biosensors: an overview
Rita Joshi1, Veena Ravindran K1, Indranil Lahiri1,2
1Centre for Nanotechnology, Indian Institute of Technology Roorkee, Roorkee 247667, India.
Summary
Graphene nanomaterials offer high sensitivity and stability for disease diagnosis. These advanced electrochemical biosensors show great promise in biotechnology and medical applications.
Area of Science:
- Materials Science
- Biotechnology
- Nanotechnology
Background:
- Graphene, a 2D material, possesses unique physiochemical properties.
- Its high surface area, conductivity, and biocompatibility are ideal for biosensing.
- Graphene's potential in disease diagnosis and medical applications is significant.
Purpose of the Study:
- To review advances in graphene-based electrochemical nanobiosensors.
- To summarize graphene production, sensing mechanisms, and biosensor improvements.
- To highlight the successful application of graphene in biosensing.
Main Methods:
- Review of literature on graphene synthesis and characterization.
- Analysis of sensing mechanisms in graphene-based biosensors.
- Comparative study of graphene biosensors with other existing biosensors.
Main Results:
- Graphene-based electrochemical biosensors demonstrate high sensitivity.
- These biosensors exhibit excellent long-term stability.
- Low detection limits are achieved with graphene-based biosensors.
Conclusions:
- Graphene is a promising material for advanced biosensor development.
- Graphene-based electrochemical biosensors offer superior performance.
- Significant progress has been made in the application of graphene in disease diagnosis.
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