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Low-temperature heat capacity of diglycylglycine

Some summaries and forecasts for the heat capacity of amino acids and peptides

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Abstract

Heat capacity of tripeptide diglycylglycine was measured in a temperature range from 6.5 to 304 K. The results were compared with those for glycine and glycylglycine. Peptide bonding was found not to change C P(T) virtually above 70 K, where heat capacity does not obey the Debye model.

Comparison with literature data allows one to expect a significant difference in the heat capacity for enantiomorph and racemic species of valine and leucine, like it was found recently for D-and DL-serine.

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Drebushchak, V.A., Kovalevskaya, Y.A., Paukov, I.E. et al. Low-temperature heat capacity of diglycylglycine. J Therm Anal Calorim 93, 865–869 (2008). https://doi.org/10.1007/s10973-007-8891-0

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  • DOI: https://doi.org/10.1007/s10973-007-8891-0

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