Research paperMode of hydrophilic and hydrophobic interactions of DL-Tyrosine, DL-Leucine, DL-Isoleucine and DL-Threonine in aqueous binary mixture of dipolar aprotic Acetonitrile

Add time:08/31/2019    Source:sciencedirect.com

The saturated solubilities of DL- Tyrosine, DL-Leucine, DL-Isoleucine and DL-Threonine in binary aqueous dipolar aprotic acetonitrile solvent were estimated by ‘formol titrimetry’ at nine equidistant temperatures under 0.1MPa pressure. The chemical effects of the standard transfer energetics of these amino acids obtained after elimination of cavity forming, dipole-dipole and dipole-induced dipole interaction effect from the total, are useful to know about chemical stability of it in such system and solvent-solvent interaction therein. Hydrophobic and hydrophilic interactions of standard transfer Gibbs free energies and entropies, as obtained after subtraction of dispersion from chemical interaction are guided by the attached side chains.

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