Using Graphene-Based Biosensors to Detect Dopamine for Efficient Parkinson's Disease Diagnostics

Area of Science:

• Biomedical Engineering
• Neuroscience
• Materials Science

Background:

• Parkinson's disease (PD) is characterized by dopamine (DA) depletion.
• Accurate DA measurement is crucial for early PD diagnosis and therapy optimization.
• DA sensing is valuable for studying complex biological systems in PD.

Purpose of the Study:

• To review graphene-based biosensors for DA detection.
• To assess analytical performance and interference studies of various graphene modifications.
• To explore the clinical relevance and development trends of graphene biosensors for PD management.

Main Methods:

• Review of literature on graphene-based biosensors for DA detection.
• Analysis of electrochemical and optical sensing approaches.
• Evaluation of performance metrics including limit of detection and interference studies.

Main Results:

• Various graphene modifications enhance DA sensing electrode performance.
• Graphene biosensors show potential for optical and electrochemical DA detection.
• Development trends include smartphone-connected systems for point-of-care diagnostics.

Conclusions:

• Graphene-based biosensors are feasible tools for DA detection in PD.
• Clinical utility and point-of-care applications are key for personalized PD management.
• Future research should emphasize clinical relevance over solely analytical performance.