Volume 91 Issue 48 | p. 7 | News of The Week
Issue Date: December 2, 2013

Raman Nanoprobes As Imaging Beacons

Spectroscopy: Nanotubes with dyes serve as shiny microscopy tags
Department: Science & Technology | Collection: Life Sciences
News Channels: Materials SCENE, Nano SCENE, Organic SCENE
Keywords: Raman, resonance Raman, Raman microprobe, carbon nanotube, SWNT

Raman spectroscopy’s ability to record molecular signatures that are invisible to other methods has made the vibrational technique a darling of analytical chemists in recent years. In theory, the technique’s molecular specificity could be exploited for high-resolution imaging that records chemical fingerprints from microscopic regions of biological, biomedical, and forensic samples. But in practice, several factors, including the inherent weakness of the Raman signal, have impeded development of such Raman imaging methods.

Those methods may . . .

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