As medicine and pharmacology investigate nanoscale processes, it has become increasingly important to identify and characterize different molecules. Raman spectroscopy, a technique that leverages the scattering of laser light to identify molecules, has a limited capacity to detect molecules in diluted samples because of low signal yield.

Via:: https://phys.org/news/2018-01-silver-nanoparticles-spectroscopy-dimension.html

Silver nanoparticles take spectroscopy to new dimension

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