Thermodynamic parameters of water related properties of amino acids at low temperature ranges

Marcello G. Cacace, Alfonso Sada, A. Dér, Jeremy J. Ramsden, Piergiuseppe Falciani, Rita Pallini

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have developed a method to measure thermodynamic parameters of partition coefficients for relevant low molecular weight precursors, such as the naturally occurring amino acids. The experimental set up allows the determination of Kd of relevant solutes in conditions akin to gel permeation chromatography experiments. This information is useful to ascertain the characteristics of the interaction of these molecules with organized, structured water layers, such as the ice surface of interstellar dust or comets. The ranking of the temperature dependence of such interactions is not related to their hydrophilic-hydrophobic character but gives rise to an unique experimentally derived scale for the twenty naturally occurring amino acids. This information may well contribute to our understanding of the chemistry and physics of biochemical compounds at surfaces and at temperatures corresponding to extreme environments.

Original languageEnglish
Title of host publicationEuropean Space Agency, (Special Publication) ESA SP
EditorsH. Lacoste
Pages437-438
Number of pages2
Edition518
Publication statusPublished - Sep 2002
EventProceedings of the Second European Workshop on Exo-Astrobiology - Graz, Austria
Duration: Sep 16 2002Sep 19 2002

Other

OtherProceedings of the Second European Workshop on Exo-Astrobiology
CountryAustria
CityGraz
Period9/16/029/19/02

Fingerprint

Amino acids
Thermodynamics
Gel permeation chromatography
Ice
Dust
Water
Physics
Molecular weight
Temperature
Molecules
Experiments

ASJC Scopus subject areas

  • Aerospace Engineering

Cite this

Cacace, M. G., Sada, A., Dér, A., Ramsden, J. J., Falciani, P., & Pallini, R. (2002). Thermodynamic parameters of water related properties of amino acids at low temperature ranges. In H. Lacoste (Ed.), European Space Agency, (Special Publication) ESA SP (518 ed., pp. 437-438)

Thermodynamic parameters of water related properties of amino acids at low temperature ranges. / Cacace, Marcello G.; Sada, Alfonso; Dér, A.; Ramsden, Jeremy J.; Falciani, Piergiuseppe; Pallini, Rita.

European Space Agency, (Special Publication) ESA SP. ed. / H. Lacoste. 518. ed. 2002. p. 437-438.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Cacace, MG, Sada, A, Dér, A, Ramsden, JJ, Falciani, P & Pallini, R 2002, Thermodynamic parameters of water related properties of amino acids at low temperature ranges. in H Lacoste (ed.), European Space Agency, (Special Publication) ESA SP. 518 edn, pp. 437-438, Proceedings of the Second European Workshop on Exo-Astrobiology, Graz, Austria, 9/16/02.
Cacace MG, Sada A, Dér A, Ramsden JJ, Falciani P, Pallini R. Thermodynamic parameters of water related properties of amino acids at low temperature ranges. In Lacoste H, editor, European Space Agency, (Special Publication) ESA SP. 518 ed. 2002. p. 437-438
Cacace, Marcello G. ; Sada, Alfonso ; Dér, A. ; Ramsden, Jeremy J. ; Falciani, Piergiuseppe ; Pallini, Rita. / Thermodynamic parameters of water related properties of amino acids at low temperature ranges. European Space Agency, (Special Publication) ESA SP. editor / H. Lacoste. 518. ed. 2002. pp. 437-438
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