Adato, RonenYanik, Ahmet A.Amsden, Jason J.Kaplan, David L.Omenetto, Fiorenzo G.Hong, Mi K.Erramilli, ShyamsunderAltug, Hatice2016-08-162016-08-162016-08-16201010.1364/QELS.2010.QMH6https://infoscience.epfl.ch/handle/20.500.14299/128670Short 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.text::conference output::conference proceedings::conference paper