Influence of aluminum oxide on the prebiotic thermal synthesis of Gly-Glu-(Gly-Glu)n polymer

Patricio Leyton; R. Antonio Zárate; Sandra Fuentes; Carolina Paipa; Juan S. Gómez-Jeria; Yessica Leyton

doi:10.1016/j.biosystems.2011.01.008

Influence of aluminum oxide on the prebiotic thermal synthesis of Gly-Glu-(Gly-Glu)_n polymer

Patricio Leyton, R. Antonio Zárate, Sandra Fuentes, Carolina Paipa, Juan S. Gómez-Jeria, Yessica Leyton

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11 Scopus citations

Abstract

The effect of the aluminum oxide on the thermal synthesis of the glycine-glutamic acid (Gly-Glu-(Gly-Glu)_n polymer is described. The thermal synthesis in the molten state was carried out in the absence and presence of the oxide. In both cases, the vibrational spectra showed characteristic group frequencies corresponding predominantly to a Gly-Glu-(Gly-Glu)_n sequence in the polymeric structure. The theoretical spectral data support the experimental proposed Gly-Glu-(Gly-Glu)_n sequence for the polymer. The SEM-EDX characterization of the solid phase involved in the thermal synthesis showed that the aluminum oxide participates as a site for nucleation and growth of the polymer, explaining the increase of 25% efficiency in the presence of aluminum oxide. Electrophoresis data show shorter polypeptide chains in the presence of aluminum oxide.

Original language	English
Pages (from-to)	118-126
Number of pages	9
Journal	BioSystems
Volume	104
Issue number	2-3
DOIs	https://doi.org/10.1016/j.biosystems.2011.01.008
State	Published - May 2011
Externally published	Yes

Keywords

Prebiotic chemistry
Thermal synthesis
Vibrational spectroscopy

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10.1016/j.biosystems.2011.01.008

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title = "Influence of aluminum oxide on the prebiotic thermal synthesis of Gly-Glu-(Gly-Glu)n polymer",

abstract = "The effect of the aluminum oxide on the thermal synthesis of the glycine-glutamic acid (Gly-Glu-(Gly-Glu)n polymer is described. The thermal synthesis in the molten state was carried out in the absence and presence of the oxide. In both cases, the vibrational spectra showed characteristic group frequencies corresponding predominantly to a Gly-Glu-(Gly-Glu)n sequence in the polymeric structure. The theoretical spectral data support the experimental proposed Gly-Glu-(Gly-Glu)n sequence for the polymer. The SEM-EDX characterization of the solid phase involved in the thermal synthesis showed that the aluminum oxide participates as a site for nucleation and growth of the polymer, explaining the increase of 25% efficiency in the presence of aluminum oxide. Electrophoresis data show shorter polypeptide chains in the presence of aluminum oxide.",

keywords = "Prebiotic chemistry, Thermal synthesis, Vibrational spectroscopy",

author = "Patricio Leyton and Z{\'a}rate, {R. Antonio} and Sandra Fuentes and Carolina Paipa and G{\'o}mez-Jeria, {Juan S.} and Yessica Leyton",

note = "Funding Information: This research has been financially supported by project 1085124 from Fondecyt.",

year = "2011",

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doi = "10.1016/j.biosystems.2011.01.008",

language = "English",

volume = "104",

pages = "118--126",

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T1 - Influence of aluminum oxide on the prebiotic thermal synthesis of Gly-Glu-(Gly-Glu)n polymer

AU - Leyton, Patricio

AU - Zárate, R. Antonio

AU - Fuentes, Sandra

AU - Paipa, Carolina

AU - Gómez-Jeria, Juan S.

AU - Leyton, Yessica

N1 - Funding Information: This research has been financially supported by project 1085124 from Fondecyt.

PY - 2011/5

Y1 - 2011/5

N2 - The effect of the aluminum oxide on the thermal synthesis of the glycine-glutamic acid (Gly-Glu-(Gly-Glu)n polymer is described. The thermal synthesis in the molten state was carried out in the absence and presence of the oxide. In both cases, the vibrational spectra showed characteristic group frequencies corresponding predominantly to a Gly-Glu-(Gly-Glu)n sequence in the polymeric structure. The theoretical spectral data support the experimental proposed Gly-Glu-(Gly-Glu)n sequence for the polymer. The SEM-EDX characterization of the solid phase involved in the thermal synthesis showed that the aluminum oxide participates as a site for nucleation and growth of the polymer, explaining the increase of 25% efficiency in the presence of aluminum oxide. Electrophoresis data show shorter polypeptide chains in the presence of aluminum oxide.

AB - The effect of the aluminum oxide on the thermal synthesis of the glycine-glutamic acid (Gly-Glu-(Gly-Glu)n polymer is described. The thermal synthesis in the molten state was carried out in the absence and presence of the oxide. In both cases, the vibrational spectra showed characteristic group frequencies corresponding predominantly to a Gly-Glu-(Gly-Glu)n sequence in the polymeric structure. The theoretical spectral data support the experimental proposed Gly-Glu-(Gly-Glu)n sequence for the polymer. The SEM-EDX characterization of the solid phase involved in the thermal synthesis showed that the aluminum oxide participates as a site for nucleation and growth of the polymer, explaining the increase of 25% efficiency in the presence of aluminum oxide. Electrophoresis data show shorter polypeptide chains in the presence of aluminum oxide.

KW - Prebiotic chemistry

KW - Thermal synthesis

KW - Vibrational spectroscopy

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DO - 10.1016/j.biosystems.2011.01.008

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C2 - 21277348

AN - SCOPUS:79953749085

SN - 0303-2647

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EP - 126

JO - BioSystems

JF - BioSystems

IS - 2-3

ER -

Influence of aluminum oxide on the prebiotic thermal synthesis of Gly-Glu-(Gly-Glu)_n polymer

Abstract

Keywords

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