NDLI: Possibility of the Nonenzymatic Browning (Maillard) Reaction in the ISM

Content Provider	Springer Nature Link
Author	Jalbout, Abraham F. Shipar, M. Abul Haider
Copyright Year	2007
Abstract	The possibility of the occurrence of the nonenzymatic browning reaction in the gaseous phase in the interstellar medium has been investigated by using Density Functional Theory computations. Mechanisms for the reactions between formaldehyde (Fald) + glycine (Gly), Fald + NH $_{3}$ and Fald + methylamine (MeAm) have been proposed, and the possibility of the formation of different compounds in the proposed mechanisms has been evaluated through calculating the Gibb's free energy changes for different steps of the reaction, by following the total mass balance. The Fald + Gly reaction under basic conditions is found as the most favorable for producing 1-methyl-amino methene or 1-methyl-amino methelene (MAM). The reaction under acidic conditions is found to be the least favorable for producing MAM. The Fald + NH $_{ 3 }$ reaction is found to be plausible for the production of MeAm, which can participate by reaction with Fald, resulting in the formation of MAM.
Starting Page	183
Ending Page	191
Page Count	9
File Format	PDF
ISSN	01696149
Journal	Origins of Life and Evolution of Biospheres
Volume Number	38
Issue Number	2
e-ISSN	15730875
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-01-11
Publisher Place	Dordrecht
Access Restriction	Subscribed
Subject Keyword	Density functional computational study Formaldehyde Glycine Nonenzymatic browning reaction Gaseous phase interstellar medium Biochemistry Astronomy Geosciences Astrophysics Life Sciences
Content Type	Text
Resource Type	Article
Subject	Medicine Ecology, Evolution, Behavior and Systematics Space and Planetary Science

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