Silicon Carbide Nanowire Devices for Label-Free Electrical DNA Detection

Louis Fradetal; Edwige Bano; Laurent Montes; Giovanni Atolini; Valerie Stambouli

doi:10.4028/www.scientific.net/MSF.821-823.855

Paper Titles

4.5-kV 20-mΩ.cm² Implantation-Free 4H-SiC BJT with Trench Structures on the Junction Termination Extension
p.838

Device Performance and Switching Characteristics of 16 kV Ultrahigh-Voltage SiC Flip-Type n-Channel IE-IGBTs
p.842

27 kV, 20 A 4H-SiC n-IGBTs
p.847

Growth and Characterization of Thick Multi-Layer 4H-SiC Epiwafer for Very High-Voltage p-Channel IGBTs
p.851

Silicon Carbide Nanowire Devices for Label-Free Electrical DNA Detection
p.855

High Temperature CMOS Circuits on Silicon Carbide
p.859

Simulations of Interactions between Fast Neutrons and 4H-SiC Detectors
p.863

SiC UV Detectors under Heavy Ions Irradiation
p.867

High Voltage Wide Bandgap Photoconductive Switching
p.871

HomeMaterials Science ForumMaterials Science Forum Vols. 821-823Silicon Carbide Nanowire Devices for Label-Free...

Silicon Carbide Nanowire Devices for Label-Free Electrical DNA Detection

Abstract:

Silicon Carbide is a promising material to overtake the limitations of Si sensors used for in vivo detection. Here, two different nanodevices are presented. The first one is a SiC NWFET used for electrical detection of DNA molecules. The addition of DNA probe molecules increases the current by 25% and the hybridization with DNA targets increases by 80%. This confirms the efficiency of our sensor to detect DNA. The second one is a Metal Insulator Semicondutor capacitor composed of DNA functionalized SiC nanopillar arrays embedded in a sol-gel silicon dioxide matrix. Capacitance measurements show a singular response between 80 and 100 Hz which is attributed to the presence of DNA molecules.

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Materials Science Forum (Volumes 821-823)

Pages:

855-858

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.821-823.855

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Online since:

June 2015

Authors:

Louis Fradetal, Edwige Bano*, Laurent Montes, Giovanni Atolini, Valerie Stambouli

Keywords:

DNA, Nanowire, NWFET, Sensor

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