NDLI: Nano Self-Assembled Nanoparticle Ion-Sensitive Field-Effect Transistors for Acetylcholine Biosensing

Content Provider	IEEE Xplore Digital Library
Author	Yi Liu Erdman, A.G. Tianhong Cui
Copyright Year	2007
Description	Author affiliation: Dept. of Mech. Eng., Minnesota Univ., Minneapolis, MN (Yi Liu; Erdman, A.G.; Tianhong Cui)
Abstract	We present an inexpensive way to fabricate high-performance nanoparticle based ion-sensitive field-effect transistors (ISFETs) for the acetylcholine biosensing application. The fabrication is implemented with a low-cost layer-by-layer nano self-assembly and microfabrication techniques. Self-assembled silica nanoparticle thin film and indium oxide nanoparticle thin film work as the gate dielectric and semiconducting channel respectively. The ISFETs operate at a low-voltage range of less than 2 V, and has a high mobility of 43.10 $cm^{2}/Vs.$ Acetylcholine in a concentration as low as 100 nM could be detected with this sensor. The results presented herein suggest a route to inexpensive, high mobility ion-sensitive field-effect transistors for biosensing applications.
Starting Page	382
Ending Page	385
File Size	5282515
Page Count	4
File Format	PDF
ISBN	1424406102
DOI	10.1109/NEMS.2007.352040
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-01-16
Publisher Place	Thailand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Self-assembly FETs Biosensors Nanobioscience Optical films Dielectric thin films Biomedical optical imaging Optical sensors Chemicals Biological materials nano self-assembly Field-effect transistor biosensor nanoparticle
Content Type	Text
Resource Type	Article

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