Probing molecular interactions on carbon nanotube surfaces using surface plasmon resonance sensors

被引：11

作者：

Kakenov, Nurbek ^{[1
]}

Balci, Osman ^{[1
]}

Balci, Sinan ^{[2
]}

Kocabas, Coskun ^{[1
]}

机构：

[1] Bilkent Univ, Dept Phys, TR-06800 Ankara, Turkey

[2] Univ Turkish Aeronaut Assoc, Dept Mech Engn, TR-06790 Ankara, Turkey

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 22期

关键词：

RADIO-FREQUENCY; ELECTRONICS; ADSORPTION; PERFORMANCE; TRANSISTORS; GRAPHENE;

D O I：

10.1063/1.4768927

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this work, we present a method to probe molecular interactions on single-walled carbon nanotube (SWNT) surfaces using a surface plasmon sensor. SWNT networks were synthesized by chemical vapor deposition and transfer-printed on gold surfaces. We studied the excitation of surface plasmon-polaritons on nanotube coated gold surfaces with sub-monolayer, monolayer, and multilayer surface coverage. Integrating the fabricated sensor with a microfluidic device, we were able to obtain binding dynamics of a bovine serum albumin (BSA) protein on SWNT networks with various tube densities. The results reveal the kinetic parameters for nonspecific binding of BSA on SWNT coated surfaces having various tube densities. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4768927]

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页数：5

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