DOI: 10.1002/bip.360100921. Calorimetry of rat tail tendon collagen before and after denaturation: the heat of fusion of its absorbed water

Calorimetry of rat tail tendon collagen before and after denaturation: the heat of fusion of its absorbed water

10.1002/bip.360100921

Crossref journal-article

Wiley

Biopolymers (311)

Abstract

AbstractThe specific heat, of rat tail tendon at various water contents was measured as a function of temperature. The resulting graphs showed peaks arising from the melting, near 50°C, of helical material in the collagen, and from the melting of absorbed water in the range ‐40°C to 0°C. The heat of melting of helical material was 11.7 cal per gram of dry tendon. Determination of the heat and temperature of fusion of the absorbed water allowed resolution of the water into four states in the case of tendon before denaturation, and three states after denaturation. The four states are (1) water not freezable on cooling to ‐ 70°C, (2) freezable water with‐both heat and temperature of fusion different from the values for ordinary water, (3) freezable water with the heat of fusion of ordinary water, but a different temperature of fusion, and (4) water not distinguished from ordinary water. The fourth state was absent in denatured tendon. The results are discussed in terms of increasing size of clusters of absorbed water molecules.

Bibliography

Haly, A. R., & Snaith, J. W. (1971). Calorimetry of rat tail tendon collagen before and after denaturation: the heat of fusion of its absorbed water. Biopolymers, 10(9), 1681â1699. Portico.

Authors 2

A. R. Haly (first)
J. W. Snaith (additional)

References 33 Referenced 78

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Dates

Type	When
Created	20 years, 2 months ago (May 27, 2005, 12:02 p.m.)
Deposited	1 year, 10 months ago (Oct. 19, 2023, 9:54 a.m.)
Indexed	11 months, 1 week ago (Sept. 13, 2024, 9:51 p.m.)
Issued	53 years, 11 months ago (Sept. 1, 1971)
Published	53 years, 11 months ago (Sept. 1, 1971)
Published Online	21 years, 6 months ago (Feb. 1, 2004)
Published Print	53 years, 11 months ago (Sept. 1, 1971)

Funders 0

None

BibTeX

@article{Haly_1971, title={Calorimetry of rat tail tendon collagen before and after denaturation: the heat of fusion of its absorbed water}, volume={10}, ISSN={1097-0282}, url={http://dx.doi.org/10.1002/bip.360100921}, DOI={10.1002/bip.360100921}, number={9}, journal={Biopolymers}, publisher={Wiley}, author={Haly, A. R. and Snaith, J. W.}, year={1971}, month=sep, pages={1681–1699} }

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