TITLE

Integrated nanoplasmonic-nanofluidic biosensors with targeted delivery of analytes

AUTHOR(S)
Yanik, Ahmet Ali; Huang, Min; Artar, Alp; Tsung-Yao Chang; Altug, Hatice
PUB. DATE
January 2010
SOURCE
Applied Physics Letters;1/11/2010, Vol. 96 Issue 2, p021101
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Performances of the biosensors are often limited by the depletion zones created around the sensing area which impede the effective analyte transport. To overcome this limitation, we propose and demonstrate a nanoplasmonic-nanofluidic sensor enabling targeted delivery of analytes to the sensor surface with dramatic improvements in mass transport efficiency. Our sensing platform is based on extraordinary light transmission effect in suspended plasmonic nanoholes. This scheme allows three-dimensional control of the fluidic flow by connecting separate layers of microfluidic channels through plasmonic/nanofluidic holes. To implement the proposed sensor platform, we also introduce a lift-off free nanofabrication method.
ACCESSION #
47588002

 

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