Cited Article: Ghosh, S. Carbon nanotube flow sensors
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Title:
Directed assembly of carbon nanotubes on soft substrates for use as a flexible biosensor array
Authors:
Koh, J; Yi, M; Lee, BY; Kim, TH; Lee, J; Jhon, YM; Hong, S
Author Full Names:
Koh, Juntae; Yi, Mihye; Lee, Byung Yang; Kim, Tae Hyun; Lee, Joohyung; Jhon, Young Min; Hong, Seunghun
Source:
NANOTECHNOLOGY 19 (50): Art. No. 505502 DEC 17 2008
Language:
English
Document Type:
Article
Keywords Plus:
FIELD-EFFECT TRANSISTORS; HIGH-PERFORMANCE; SENSORS; ELECTRONICS; DEVICES; SURFACE; NOISE; WIRES; FILMS; FLOW
Abstract:
We have developed a method to selectively assemble and align carbon nanotubes (CNTs) on soft substrates for use as flexible biosensors. In this strategy, a thin oxide layer was deposited on soft substrates via low temperature plasma enhanced chemical vapor deposition, and a linker-free assembly process was applied on the oxide surface where the assembly of carbon nanotubes was guided by methyl-terminated molecular patterns on the oxide surface. The electrical characterization of the fabricated CNT devices exhibited a typical p-type gating effect and 1/f noise behavior. The bare oxide regions near CNTs were functionalized with glutamate oxidase to fabricate selective biosensors to detect two forms of glutamate substances existing in different situations: L-glutamic acid, a neurotransmitting material, and monosodium glutamate, a food additive.
Reprint Address:
Koh, J, Seoul Natl Univ, Dept Phys & Astron, Seoul 151747, South Korea.
Research Institution addresses:
[Koh, Juntae; Lee, Byung Yang; Kim, Tae Hyun; Lee, Joohyung; Hong, Seunghun] Seoul Natl Univ, Dept Phys & Astron, Seoul 151747, South Korea; [Yi, Mihye] Korea Res Inst Chem Technol, Taejon 305343, South Korea; [Jhon, Young Min] Korea Inst Sci & Technol, Seoul 136791, South Korea
E-mail Address:
shong@phya.snu.ac.kr
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Cited Reference Count:
40
Times Cited:
0
Publisher:
IOP PUBLISHING LTD; DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND
Subject Category:
Engineering, Multidisciplinary; Nanoscience & Nanotechnology; Materials Science, Multidisciplinary; Physics, Applied
ISSN:
0957-4484
DOI:
10.1088/0957-4484/19/50/505502
IDS Number:
376TK
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