Nano Archive

Infrared spectroscopic mapping of single nanoparticles and viruses at nanoscale resolution

Brehm, Markus and Taubner, Thomas and Hillenbrand, Rainer and Keilmann, Fritz (2006) Infrared spectroscopic mapping of single nanoparticles and viruses at nanoscale resolution. NANO LETTERS, 6 (7). pp. 1307-1310.

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Official URL: http://pubs.acs.org/doi/abs/10.1021/nl0610836

Abstract

We demonstrate that scattering near-field microscopy (s-SNOM) can determine infrared ``fingerprint'' spectra of individual poly( methyl methacrylate) nanobeads and viruses as small as 18 nm. Amplitude and phase spectra are found surprisingly strong, even at a probed volume of only 10(-20) l, and robust in regard to particle size and substrate. This makes infrared spectroscopic s-SNOM a versatile tool for chemical and-in the case of protein-secondary-structure identification.

Item Type:Article
Subjects:Analytical Science > Microscopy and probe methods
Biomedical Science > Nanobiotechnology
ID Code:3705
Deposited By:Farnush Anwar
Deposited On:22 Jan 2009 13:36
Last Modified:29 Jan 2009 11:57

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