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Proceedings Article

Paper-based optofluidic SERS using ink-jet-printed substrates

[+] Author Affiliations
Wei W. Yu, Ian M. White

Univ. of Maryland, College Park (USA)

Proc. SPIE 7911, Plasmonics in Biology and Medicine VIII, 791105 (February 11, 2011); doi:10.1117/12.874555
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From Conference Volume 7911

  • Plasmonics in Biology and Medicine VIII
  • Tuan Vo-Dinh; Joseph R. Lakowicz
  • San Francisco, California, USA | January 22, 2011

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.

© (2011) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Citation

Wei W. Yu and Ian M. White
"Paper-based optofluidic SERS using ink-jet-printed substrates", Proc. SPIE 7911, Plasmonics in Biology and Medicine VIII, 791105 (February 11, 2011); doi:10.1117/12.874555; http://dx.doi.org/10.1117/12.874555


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