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Proceedings Paper

Biosensing using plasmonic waveguides embedded in CYTOP
Author(s): O. Krupin; P. Berini
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Paper Abstract

Biosensing using long-range surface plasmon-polariton waveguides is demonstrated. Current sensor consists of gold straight waveguides (SWGs) embedded in CYTOP with etched microfluidic channels. The sensing platform is capable of detecting analytes with a small mass as well as monitoring the change in refractive index of bulk solutions. Three solutions with different refractive indices were tested for bulk sensitivity: a mixture of Phosphate Buffered Saline (PBS) and Glycerol (7.25% w/w), Distilled/Deionized water and 2-Isopropanol. Protein Bovine Serum Albumin (BSA) was physisorbed on carboxyl-terminated self-assembled monolayer (SAM). A significant change in signal has been observed for these experiments.

Paper Details

Date Published: 24 October 2012
PDF: 7 pages
Proc. SPIE 8412, Photonics North 2012, 84120C (24 October 2012); doi: 10.1117/12.2001387
Show Author Affiliations
O. Krupin, Univ. of Ottawa (Canada)
P. Berini, Univ. of Ottawa (Canada)

Published in SPIE Proceedings Vol. 8412:
Photonics North 2012
Jean-Claude Kieffer, Editor(s)

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