Raman Spectroscopy of Sucrose, D(+) Glucose and D(-) Fructose in Terahertz and Infrared Frequencies
International Conference on Infrared, Millimeter, and Terahertz Waves, IRMMW-THz
Molecular recognition and discrimination of organic compounds are important because hydrogen bonds and hydrogen-bonding interactions in organic compounds (especially carbohydrates) perform essential roles in energy metabolism and medical diagnosis. We investigate the Raman spectroscopy of sucrose, D(+) glucose and D(-) fructose in the terahertz and infrared frequency ranges. Sucrose consists of fructose and glucose rings and absorption bands specific for sucrose only are identified at ~1553 cm-1 and ~2679 cm-1. Energy of the absorption band at ~3570 cm-1 is affected by crystalline fields and is different for these three compounds measured.
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