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Volumetric properties of aqueous 2-chloroethanol solutions and volumes of transfer of some amino acids and peptides from water to aqueous 2-chloroethanol solutions

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Title Volumetric properties of aqueous 2-chloroethanol solutions and volumes of transfer of some amino acids and peptides from water to aqueous 2-chloroethanol solutions
 
Creator MUNDE, MM
KISHORE, N
 
Subject apparent molal volumes
partially folded state
thermodynamic properties
heat-capacities
adiabatic compressibilities
structural-characterization
denatured state
prion protein
alpha
alcohol
amino acids
diglycine
partial molar volume
2-chloroethanol
hydration number
 
Description Densities and apparent molar volumes of aqueous 2-chloroethanol were determined at temperatures from 15.0 to 34.4degreesC using digital densimetry. The results of the volumetric measurements have been used to calculate the following thermodynamic quantites at 25degreesC:V-o(2)= 55.05+/-0.02 cm(3)-mol(-1), (partial derivativeV(2)(o)/partial derivativeT)(p)=0.01486+/-0.00318 cm(3)-K-1-mol(-1), and (partial derivative(2)V(2)(o)/partial derivativeT(2))(p)=0.02972+/-0.00318 cm(3)-K-2-mol(-1). Partial molar volumes of transfer from water to 1 mol-dm(-3) 2-chloroethanol have also been determined for L-glycine, L-alanine, L-serine, L-glutamic acid, and L-aspartic acid at 35.0degreesC. The transfer results have been explained in terms of the nature of the interactions of the groups in the solute and solvent. Hydration numbers of L-glycine and L-alanine have also been calculated in aqueous 2-chloroethanol.
 
Publisher KLUWER ACADEMIC/PLENUM PUBL
 
Date 2011-08-17T10:49:16Z
2011-12-26T12:55:30Z
2011-12-27T05:40:49Z
2011-08-17T10:49:16Z
2011-12-26T12:55:30Z
2011-12-27T05:40:49Z
2003
 
Type Article
 
Identifier JOURNAL OF SOLUTION CHEMISTRY, 32(9), 791-802
0095-9782
http://dx.doi.org/10.1023/B:JOSL.0000003149.57001.bc
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9840
http://hdl.handle.net/10054/9840
 
Language en