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Proceedings Paper

Paper-based optofluidic SERS using ink-jet-printed substrates
Author(s): Wei W. Yu; Ian M. White
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Paper Abstract

We report the development of a novel, low-cost surface enhanced Raman spectroscopy (SERS) substrate that is fabricated by ink-jet-printing silver nanostructures into cellulose paper. Analysis of a liquid sample is performed by spotting a 1 microliter droplet onto the printed SERS substrate. The droplet is contained within a small area of the SERS substrate by ink-jet-printing hydrophobic barriers to define microfluidic boundaries. Using Rhodamine 6G as the analyte, we are able to measure a strong SERS fingerprint signal when only 10 femtomoles of analyte are applied to the paper.

Paper Details

Date Published: 11 February 2011
PDF: 6 pages
Proc. SPIE 7911, Plasmonics in Biology and Medicine VIII, 791105 (11 February 2011); doi: 10.1117/12.874555
Show Author Affiliations
Wei W. Yu, Univ. of Maryland, College Park (United States)
Ian M. White, Univ. of Maryland, College Park (United States)

Published in SPIE Proceedings Vol. 7911:
Plasmonics in Biology and Medicine VIII
Tuan Vo-Dinh; Joseph R. Lakowicz, Editor(s)

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