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Manas Ranjan Gartia, Austin Hsiao, Anusha Pokhriyal, Sujin Seo, Gulsim Kulsharova, Brian T. Cunningham, Tiziana C. Bond and Gang Logan Liu Colorimetrics: Colorimetric Plasmon Resonance Imaging Using Nano Lycurgus Cup Arrays (Advanced Optical Materials 1/2013) Advanced Optical Materials 1

Article first published online: 31 JAN 2013 | DOI: 10.1002/adom.201370001

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A nanocup structure that mimics the Lycurgus cup effect enables nanoplasmonic spectroscopy to be used for colorimetric sensing, requiring only the naked eye or ordinary visible color photography. Enhanced optical transmission from the subwavelength cup structures couples with the localized surface plasmon from metal nanoparticles on the side walls of the cup, creating extraordinary sensitivity and visible color changes. Utility of the sensor for chemical imaging, biomolecular imaging, and integration to portable microfluidics devices for lab-on chip-applications is demonstrated by Liu and co-workers on page 68.

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