Roy, S., Mahali, K. and Dolui. B.K. (2010) Tranfer entropies of solvation of a series of homologous α-amino acids in aqueous mixtures of protic ethylene glycol. Biochemistry, An Indian Journal, 3, 71-76.

has been cited by the following article:

• TITLE: Thermodynamic solvation of a series of homologous α-amino acids in non-aqueous mixture of ethylene-glycol and N,N-dimethyl formamide

  AUTHORS: Kalachand Mahali, Sanjay Roy, Bijoy Krishna Dolui

  KEYWORDS: Non-Aqueous Solvent System; Transfer Energetic; Zwitterions; α-Amino Acids; Solvophobic Solvation

  JOURNAL NAME: Journal of Biophysical Chemistry, Vol.2 No.3, August 9, 2011

  ABSTRACT: Standard free energies (ΔG0t(i) ) and entropies (ΔS0t(i)) of transfer of some homologous α-amino acids viz. glycine (gly), dl-alanine (ala), dl-α-amino butyric acid (aba) and dl-nor-valine (nor-val) from protic ethylene glycol (EG) to dipolar aprotic N,N-dimethyl formamide (DMF) have been evaluated from solubility measure-ments at five equidistant temperatures i.e from 15 to 350C. The observed ΔG0t(i) and TΔS0t(i) Vs composition profiles are complicated because of the various interaction effects. The chemical effects of the transfer Gibbs energies (ΔG0t.ch(i)) and entropies of transfer (ΔS0t.ch(i)) have been obtained after elimination of cavity effect, estimated by the scaled particle theory and dipole-dipole interaction effects, estimated by the use of Keesom-orientation expression. The chemical contributions of transfer energetics of homologous α-amino acids are guided by the composite effects of increased dispersion interaction, basicity and decreased acidity, hydrogen bonding effects and solvophobic solvation of ethylene glycol and N, N-dimethyl formamide mixed solvent as compared to that of reference solvent (ethylene glycol).