Detection of Microorganisms Using Graphene-Based Nanobiosensors

Area of Science:

• Materials Science
• Nanotechnology
• Biomedical Engineering

Background:

• Graphene and its derivatives (graphene oxide, reduced graphene oxide, graphene quantum dots) offer unique properties like large surface area and excellent conductivity.
• These carbon nanomaterials are increasingly utilized in biosensor development due to their fascinating characteristics.
• Modification with other materials enhances the electrochemical performance of graphene-based biosensors.

Purpose of the Study:

• To review biosensor design strategies employing graphene and its derivatives.
• To explore the application of graphene-based nanocomposites in detecting a wide range of microorganisms.
• To highlight the potential of these materials in advanced biosensing.

Main Methods:

• Comprehensive literature review of graphene-based biosensor research.
• Analysis of design strategies for graphene-based nanocomposite biosensors.
• Compilation of applications for microorganism detection using these biosensors.

Main Results:

• Graphene-based nanocomposites demonstrate significant potential for enhanced biosensing capabilities.
• These materials facilitate the detection of diverse biological entities, including prions, viruses, bacteria, fungi, and toxins.
• Graphene derivatives improve the sensitivity and specificity of biosensors.

Conclusions:

• Graphene and its derivatives are pivotal in advancing biosensor technology.
• Graphene-based nanocomposite biosensors offer versatile platforms for microbial detection.
• Further research in this area promises innovative solutions for diagnostics and monitoring.