Pregled bibliografske jedinice broj: 126240
Vibrational analysis of glycolaldehyde and hydroxyacetone
Vibrational analysis of glycolaldehyde and hydroxyacetone // Book of Abstracts / Szalontai, Balasz ; Kota, Zoltan (ur.).
Segedin: JATE Press, 2003. str. 124-124 (poster, međunarodna recenzija, sažetak, znanstveni)
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Naslov
Vibrational analysis of glycolaldehyde and hydroxyacetone
Autori
Mohaček Grošev, Vlasta
Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni
Izvornik
Book of Abstracts
/ Szalontai, Balasz ; Kota, Zoltan - Segedin : JATE Press, 2003, 124-124
Skup
10th European Conference on Spectroscopy of Biological Molecules
Mjesto i datum
Szeged, Mađarska, 30.08.2003. - 04.09.2003
Vrsta sudjelovanja
Poster
Vrsta recenzije
Međunarodna recenzija
Ključne riječi
sugar; Raman; infrared; normal coordinate analysis
Sažetak
Kinetics of smallest sugar molecules such as glyceraldehyde and dihydroxyacetone (both C3H6O3), which are playing important role in the process of glycolysis, is still a puzzle. Matters are complicated by the very nature of the compounds that contain both carbonyl and hydroxyl groups and appear as pure monomer species only in the gaseous state. In the crystal two molecules form a derivative of 1, 4-dioxane (six membered ring with two oxygens). In solutions, both monomer and various open and closed ring dimer structures are being transformed one into another, while the number of OH groups varies according to the degree of hydration. Glycolaldehyde CH2OHCHO and hydroxyacetone CH2OHCOCH3 were chosen as even smaller building blocks for sugar vibrational analysis, which is currently under way. The observed infrared and Raman bands of glycolaldehyde and acetol (90 % wt of hydroxyacetone in H2O) were assigned and a semiempirical valence force field constructed on the basis of previous work of Schachtschneider and Michelsen. The aim is to identify a reliable set of bands attributable to each compound species, which could in future serve for concentration determination of that compound and consequently for the determination of kinetic constants.
Izvorni jezik
Engleski
Znanstvena područja
Fizika