CUED Publications database

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

Kakenov, N and Balci, O and Balci, S and Kocabas, C (2012) Probing molecular interactions on carbon nanotube surfaces using surface plasmon resonance sensors. Applied Physics Letters, 101. ISSN 0003-6951

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Abstract

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. © 2012 American Institute of Physics.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 22 Mar 2018 01:27
Last Modified: 24 Nov 2020 08:37
DOI: 10.1063/1.4768927