Role of water content in dielectric properties and delayed luminescence of bovine Achilles’ tendon

In order to investigate the role of water network in collagen structure, measurement of dielectric permittivity was performed on bovine Achilles’ tendon as a function of water content. The data show a sudden decrease of the permittivity at each measured frequency value when the tendon humidity decre...

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Bibliographic Details
Published inFEBS letters Vol. 579; no. 27; pp. 6101 - 6104
Main Authors Gulino, M., Bellia, P., Falciglia, F., Musumeci, F., Pappalardo, A., Scordino, A., Triglia, A.
Format Journal Article
LanguageEnglish
Published England Elsevier B.V 07.11.2005
Subjects
Achilles Tendon - chemistry
Animals
Cattle
Collagen
Collagen - chemistry
Delayed luminescence
Dielectric permittivity
Dielectric spectroscopy
Electric Conductivity
Luminescence
Luminescent Measurements
Male
Tendon
Water - analysis
Water content
Dielectric spectroscopy
Dielectric permittivity
Delayed luminescence
Collagen
Water content
Tendon
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Summary:In order to investigate the role of water network in collagen structure, measurement of dielectric permittivity was performed on bovine Achilles’ tendon as a function of water content. The data show a sudden decrease of the permittivity at each measured frequency value when the tendon humidity decreases. A similar behaviour is shown by the total number of photons emitted in delayed luminescence (DL) experiments. The comparison of the two results is in agreement with the hypothesis that DL is connected to the excitation and subsequent decay of collective electronic states, whose properties depend on the organized structure of the system.
Bibliography:ObjectType-Article-1
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content type line 23
ISSN:0014-5793
1873-3468
DOI:10.1016/j.febslet.2005.09.077