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Preparation of Silicon Nanowire Field-effect Transistor for Chemical and Biosensing Applications
Published on: April 21, 2016
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Recent advances in nanowires-based field-effect transistors for biological sensor applications
Rafiq Ahmad1, Tahmineh Mahmoudi1, Min-Sang Ahn1
1School of Semiconductor and Chemical Engineering, Nanomaterials Processing Research Center, Chonbuk National University, 567 Baekjedaero, Deokjin-gu, Jeonju-si, Jeollabuk-do 54896, Republic of Korea.
Biosensors & Bioelectronics
|September 25, 2017
Summary
Nanowire (NW)-based field-effect transistors (FETs) offer sensitive biosensing for various biomolecules. These NW-FET biosensors show promise for future diagnostic applications due to their high selectivity and small size.
Area of Science:
- Nanotechnology
- Biosensors
- Field-Effect Transistors
Background:
- Nanowires (NWs) are increasingly utilized in fabricating field-effect transistors (FETs) for biosensing applications.
- NW-based FETs offer superior surface-to-volume ratios compared to bulk materials, enhancing sensitivity.
- These devices are crucial for developing next-generation biosensors.
Purpose of the Study:
- To review recent advancements in NW-based FET biosensors.
- To highlight their application in detecting diverse biomolecules.
- To provide a comparative analysis of sensing performance, challenges, and future directions.
Main Methods:
- Summarizing research on NW-based FET biosensors.
- Analyzing their performance in detecting various biomolecules like glucose, cholesterol, and proteins.
- Discussing design strategies for enhanced specificity and sensitivity.
Main Results:
- NW-based FET biosensors demonstrate high specificity, sensitivity, and selectivity for biomolecule detection.
- They offer advantages such as low weight, cost-effectiveness, and compatibility with large-scale circuitry.
- Recent designs have significantly improved their performance in detecting biomarkers.
Conclusions:
- NW-based FET biosensors represent a promising platform for sensitive and selective biomolecule detection.
- Their small size, low cost, and compatibility with existing technologies facilitate widespread application.
- Further research into challenges and future prospects will drive innovation in this field.
