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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/10054/9841

Title: Volumetric properties of nucleic acid bases and nucleosides in aqueous ethanol, 1,2-ethanediol, 2-propanol, and 2-methyl-2-propanol at 25 degrees C
Authors: KUNDU, A
KISHORE, N
Keywords: partial molal volumes
heat-capacities
transfer energetics
298.15 k
water
dna
alcohols
mixtures
stability
hydration
Issue Date: 2002
Publisher: KLUWER ACADEMIC/PLENUM PUBL
Citation: JOURNAL OF SOLUTION CHEMISTRY, 31(6), 477-498
Abstract: Partial molar volumes of cytosine, uracil, thymine, cytidine, uridine, thymidine, and adenosine have been measured in different concentrations of aqueous ethanol, 1,2-ethanediol, 2-propanol, and 2-methyl-2-propanol at 25degreesC using densimetry. These data are utilized in conjunction with the partial molar volumes of these nucleic acid bases and nucleosides in water reported earlier to deduce the partial molar volumes of transfer from water to aqueous alcohol or diol. The results are explained in terms of likely solute-solvent interactions; the role of solvent in these interactions is discussed. The partial molar volume data are also used to calculate the contribution of -CH2- groups in the nucleic acid base or solvent and of ribose in the nucleoside to the partial molar volume of transfer. The validity of group additivity in these systems is discussed.
URI: http://dx.doi.org/10.1023/A:1020269629589
http://dspace.library.iitb.ac.in/xmlui/handle/10054/9841
http://hdl.handle.net/10054/9841
ISSN: 0095-9782
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