Issue Date: December 2, 2013
Raman Nanoprobes As Imaging Beacons
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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