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11 February 2011 Paper-based optofluidic SERS using ink-jet-printed substrates
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Proceedings Volume 7911, Plasmonics in Biology and Medicine VIII; 791105 (2011)
Event: SPIE BiOS, 2011, San Francisco, California, United States
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.
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 (11 February 2011);

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