2011 |
Leyton, P; Zarate, R A; Fuentes, S; Paipa, C; Gomez-Jeria, J S; Leyton, Y Influence of Aluminum Oxide on the Prebiotic Thermal Synthesis of Gly-Glu-(Gly-Glu)(N) Polymer Artículo de revista Biosystems, 104 (2-3), pp. 118-126, 2011, ISSN: 0303-2647. Resumen | Enlaces | BibTeX | Etiquetas: amino-acid-sequences, analysis, bond chemistry, conditions, crystalline diketopiperazine, earth formation formation, glutamic glycine ir-spectra, peptide prebiotic primitive pyroglutamic reaction, spectroscopy, synthesis, thermal vibrational @article{RN27d, title = {Influence of Aluminum Oxide on the Prebiotic Thermal Synthesis of Gly-Glu-(Gly-Glu)(N) Polymer}, author = { P. Leyton and R.A. Zarate and S. Fuentes and C. Paipa and J.S. Gomez-Jeria and Y. Leyton}, url = {/brokenurl#<Go to ISI>://WOS:000290194500006}, doi = {10.1016/j.biosystems.2011.01.008}, issn = {0303-2647}, year = {2011}, date = {2011-01-01}, journal = {Biosystems}, volume = {104}, number = {2-3}, pages = {118-126}, publisher = {2011 Elsevier Ireland Ltd.}, 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 = {amino-acid-sequences, analysis, bond chemistry, conditions, crystalline diketopiperazine, earth formation formation, glutamic glycine ir-spectra, peptide prebiotic primitive pyroglutamic reaction, spectroscopy, synthesis, thermal vibrational}, pubstate = {published}, tppubtype = {article} } 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. |
2011 |
Influence of Aluminum Oxide on the Prebiotic Thermal Synthesis of Gly-Glu-(Gly-Glu)(N) Polymer Artículo de revista Biosystems, 104 (2-3), pp. 118-126, 2011, ISSN: 0303-2647. |