Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 38: Issue 12
Some aspects of the enthalpy of dilution of biological polyelectrolytes
Authors:
J. C. Benegas School of Physics National University of San Luis 5700 San Luis Argentinna

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A. Di Blas Department of Biochemistry, Biophysics and Macromolecular Chemistry University OF Trieste 34127 Trieste Italy

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S. Paoletti Department of Biochemistry, Biophysics and Macromolecular Chemistry University OF Trieste 34127 Trieste Italy

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A. Cesàro Department of Biochemistry, Biophysics and Macromolecular Chemistry University OF Trieste 34127 Trieste Italy

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Pages:
2613–2620
Online Publication Date:
02 Aug 2005
Publication Date:
01 Dec 1992
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01979737
Keywords:
biological polyelectrolytes; biopolymers
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It is shown that calorimetric experiments on the dilution process of polyelectrolytes, i.e. on the excess enthalpy of electrostatic origin, can give information on the conformational state of the polymer. Analytical expression are obtained relating the enthalpy of dilution to the charge density on the polymer, from Manning's theory. The experimental data reported on some ionic biopolymers are interpreted on the basis of the theoretical prediction of the electrostatic contribution to the enthalpy of dilution in water of a polyelecrolytic salt and of a weak polyacid.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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