Issue Date: August 10, 2009
New Way To Analyze Art
Raman spectroscopy is an increasingly popular method for analyzing pigments in artwork. Surface-enhanced Raman spectroscopy, which uses a metal such as silver to boost the Raman signal, improves the sensitivity of normal Raman and allows smaller samples to be used, but SERS has not previously been applied to artwork. Richard P. Van Duyne of Northwestern University, Francesca Casadio of the Art Institute of Chicago, and coworkers have now used SERS to analyze pigments in a . . .
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