Ultra-Sensitive Infrared Spectroscopy of Proteins with Collective Excitations of Nanoplasmonic Arrays

Authors :: David L. Kaplan
Mi K. Hong
Ahmet Ali Yanik
Fiorenzo G. Omenetto
Jason J. Amsden
Hatice Altug
Ronen Adato
Shyamsunder Erramilli
Source :: Conference on Lasers and Electro-Optics 2010.
Publication Year :: 2010
Publisher :: OSA, 2010.
Abstract: Short interaction lengths limit the application of infrared absorption spectroscopy to the study monolayer thickness films. We employ periodic infrared antenna arrays to obtain 10(4)-10(5) enhancement of protein absorption signals corresponding to zepto-mole sensitivity.

Subjects :: Materials science
Absorption spectroscopy
Infrared
business.industry
Monolayer
Optoelectronics
Infrared spectroscopy
business
Spectroscopy
Absorption (electromagnetic radiation)
Plasmon
Visible spectrum

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