Partial molar heat capacities and volumes of transfer of nucleic acid bases, nucleosides and nucleotides from water to aqueous solutions of sodium and calcium chloride at 25°C

Kishore, N. ; Ahluwalia, J. C. (1990) Partial molar heat capacities and volumes of transfer of nucleic acid bases, nucleosides and nucleotides from water to aqueous solutions of sodium and calcium chloride at 25°C Journal of Solution Chemistry, 19 (1). pp. 51-64. ISSN 0095-9782

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Official URL: http://www.springerlink.com/content/x00q2187883243...

Related URL: http://dx.doi.org/10.1007/BF00650644

Abstract

Partial molar heat capacities C-°p2 and volumes V-°2 of some nucleic acid bases, nucleosides and nucleotides have been measured in 1m aqueous NaCl and CaCl2 solutions using Picker flow microcalorimeter and a vibrating tube digital densimeter. The partial molar heat capacities of transfer and volumes of transfer from water to the electrolyte solutions were calculated using earlier data for these compounds in water. The values of these transfer parameters are positive. The higher values for transfer to aqueous CaCl2 solutions reflect the stronger interactions of the constituents of the nucleic acids with Ca+2 ions than with the Na+ ions.

Item Type:Article
Source:Copyright of this article belongs to Springer-Verlag.
Keywords:Partial Molar Heat Capacity; Partial Molar Volume; Nucleic Acid Bases; Nucleosides; Nucleotides; Sodium Chloride; Calcium Chloride
ID Code:339
Deposited On:21 Sep 2010 04:48
Last Modified:11 May 2011 07:10

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