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Dielectric study of primary amines from room temperaturedown to −180 °C and from 10 kHz up to 35 GHz

Published online by Cambridge University Press:  15 December 1999

J. M. Forniés-Marquina ,
A. Siblini ,
L. Jorat  and
G. Noyel
J. M. Forniés-Marquina
Affiliation:
Departamento de Física Aplicada, Facultad de Ciencias, Universidad de Zaragoza, 50009 Zaragoza, Spain
A. Siblini*
Affiliation:
Laboratoire de Recherche sur les Capteurs à Colloïdes et l'Instrumentation, Université Jean Monnet, 42023 Saint-Etienne, France
L. Jorat
Affiliation:
Laboratoire de Recherche sur les Capteurs à Colloïdes et l'Instrumentation, Université Jean Monnet, 42023 Saint-Etienne, France
G. Noyel
Affiliation:
Laboratoire de Recherche sur les Capteurs à Colloïdes et l'Instrumentation, Université Jean Monnet, 42023 Saint-Etienne, France
*
[email protected]
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Abstract

The aim of this paper is to present the NH2 dielectric behaviour in theprimary amines for the importance it bears in the interaction of aminoacids andproteins and their influence in the electric conduction processes. For that, thedielectric properties of 1-propylamine, 1-butylamine and 1-pentylamine have beenstudied. Measurements were performed between room temperature and −180 °C inthe low frequency range and micro-waves measurements were done between −40 °Cand 25 °C. The isofrequency recordings of dispersion ε′ and absorption ε′′, for these three primary amines, showclearly the relaxations and the effect of the aliphatic chain length.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 8 , Issue 3 , December 1999 , pp. 241 - 246
Copyright
© EDP Sciences, 1999

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