Laminated, microfluidic-integrated carbon nanotube based biosensors

被引：30

作者：

Tey, Ju Nie ^{[1
]}

Wijaya, I. Putu Mahendra ^{[1
,2
]}

Wang, Zongbin ^{[1
]}

Goh, Wei Hau ^{[1
]}

Palaniappan, Alagappan ^{[1
]}

Mhaisalkar, Subodh G. ^{[1
]}

Rodriguez, Isabel ^{[2
]}

Dunham, Simon ^{[3
,4
]}

Rogers, John A. ^{[3
,4
]}

机构：

[1] Nanyang Technol Univ, Sch Mat Sci & Engn, Singapore 639798, Singapore

[2] Inst Mat Res & Engn, Singapore 117602, Singapore

[3] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA

[4] Univ Illinois, Dept Chem, Urbana, IL 61801 USA

来源：

APPLIED PHYSICS LETTERS | 2009年 / 94卷 / 01期

关键词：

biological techniques; biosensors; carbon nanotubes; field effect transistors; microelectrodes; microsensors; semiconductor nanotubes; SENSING MECHANISM; TRANSISTORS; SENSOR;

D O I：

10.1063/1.3065480

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this communication, a laminated, flexible, microfluidic-integrated, all CNT based liquid-gated transistor and biosensor are reported that comprises single walled CNTs for both the semiconducting channel as well as the contact electrodes. The proposed architecture eliminates the need for lithography, electrode definition processes, and also circumvents substrate surface compatibility issues. Real-time detection of 1 pM poly-L-lysine in a liquid-gated transistor comprising only two materials, single walled CNTs and polydimethoxysilane substrate with microfluidic channel, is demonstrated.

引用

页数：3

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