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UV Resonance Raman Detection of Artificial Sweetener in Soda Pop—Just for the Fun of It

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Ultraviolet resonance Raman (UVRR) spectroscopy has recently demonstrated its potential as a powerful technique for the study of biomolecular structure and for probing chromophores in complex systems. UVRR investigations of proteins and peptides have demonstrated selective enhancement of the aromatic amino acid ring vibrations of small peptide chains and proteins. UVRR is particularly useful for studying aromatic ring systems in complicated fuel, coal liquid, and petroleum mixtures. An increase of up to six orders of magnitude in sensitivity can occur compared with that for normal Raman spectroscopy, because of the resonance phenomenon.

Keywords: Analysis of beverages; Raman spectroscopy

Document Type: Research Article


Affiliations: Department of Chemistry, University of Pittsburgh, Pittsburgh, Pennsylvania 15260

Publication date: February 1, 1987

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