Nanosilicon-Based Composites for (Bio)sensing Applications: Current Status, Advantages, and Perspectives.

Area of Science:

• Materials Science
• Nanotechnology
• Biotechnology

Background:

• Nanosilicon (nano-Si) materials offer unique properties for sensor development.
• Biosensors require precise control over surface interactions for accurate detection.
• Existing detection methods face challenges in sensitivity and specificity.

Purpose of the Study:

• To review the diverse applications of nanosilicon and its composites in biosensing.
• To explore various detection approaches and functionalization protocols for nano-Si-based transducers.
• To elucidate the role of immobilization and interaction mechanisms in nano-Si biosensor performance.

Main Methods:

• Literature review of nanosilicon (nano-Si) materials and their use in (bio)sensing.
• Analysis of different detection strategies and functionalization techniques for nano-Si transducers.
• Investigation of immobilization processes and biomolecule-nano-Si interaction mechanisms.

Main Results:

• Nanosilicon materials are effective for detecting biological compounds and gas molecules.
• Specific functionalization and immobilization protocols enhance biosensor performance.
• Nano-Si/metal nanoparticle composites show promise for surface-enhanced Raman spectroscopy (SERS).

Conclusions:

• Nanosilicon-based materials present a promising platform for advanced (bio)sensing.
• Optimized immobilization and composite fabrication are key to improving sensor capabilities.
• Further research into nano-Si for sensitive and selective molecular detection is warranted.