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Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications
Published on: April 21, 2016
Functionalization protocols of silicon micro/nano-mechanical biosensors
Francesca Frascella1, Carlo Ricciardi
1Politecnico di Torino, Torino, Italy.
Methods in Molecular Biology (Clifton, N.J.)
|August 7, 2013
Summary
We developed three surface functionalization protocols for micro/nano-mechanical biosensors. These methods ensure uniform, robust layers for improved bioreceptor immobilization and assay performance in biodetection technologies.
Area of Science:
- Biotechnology and biosensor development
- Surface chemistry and materials science
Background:
- Bioreceptor immobilization is critical for the sensitivity and stability of micro/nano-mechanical biosensors.
- Effective surface functionalization is required for uniform, well-packed, and robust bioreceptor layers.
Purpose of the Study:
- To develop and present three distinct functionalization protocols for micro/nano-mechanical biosensor surfaces.
- To enable precise surface modification with specific chemical groups for enhanced biodetection.
Main Methods:
- Development of three chemical surface modification protocols.
- Application of functionalization to micro/nano-mechanical sensor surfaces.
- Characterization of surface layers for uniformity, packing, and robustness.
Main Results:
- Successful implementation of three protocols yielding amino, aldehyde, and carboxyl functionalized surfaces.
- Demonstration of uniform, well-packed, and robust surface layers.
- Establishment of reliable methods for tailoring sensor surfaces for biodetection.
Conclusions:
- The presented functionalization protocols are effective for preparing micro/nano-mechanical biosensor surfaces.
- These methods provide a foundation for advancing biodetection technologies through improved bioreceptor immobilization.
- The developed protocols offer versatile options for surface chemistry in biosensor applications.

