Advanced strategies for enzyme-electrode interfacing in bioelectrocatalytic systems

Area of Science:

• Biotechnology and Bioengineering
• Electrochemistry
• Protein Engineering

Background:

• Enzymatic electrochemical systems utilize biological machinery for electricity generation or biochemical synthesis.
• Effective enzyme-electrode wiring is crucial for system performance.
• Protein engineering and immobilization technologies have advanced significantly.

Purpose of the Study:

• To provide guidelines for designing enzyme-electrodes based on electron transfer (ET) mechanisms.
• To summarize recent advancements in enzyme immobilization technologies.
• To highlight protein-engineering strategies for enhanced enzyme-electrode interfacing.

Main Methods:

• Review of recent literature on enzyme immobilization and protein engineering.
• Analysis of performance variables influenced by ET mechanisms.
• Focus on protein-protein, protein-ligand, and protein-inorganic interactions.

Main Results:

• Improved enzyme-electrode wiring leading to enhanced system performance.
• Extended enzyme-electrode sustainability up to months.
• Increased biosensor sensitivity and biofuel cell efficiency.
• New benchmarks in bioelectrocatalysis turnover frequency.

Conclusions:

• Protein engineering and advanced immobilization are key to optimizing enzymatic electrochemical systems.
• Strategic protein design offers pathways for real-world applications.
• Further research into protein-electrode interfaces will drive innovation.