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Mater Sci Eng C Mater Biol Appl. 2013 May 1;33(4):2455-9. doi: 10.1016/j.msec.2013.01.057. Epub 2013 Jan 31.

Dielectric behavior of gelatine-glycosaminoglycans blends: an impedance analysis.

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1
Chemical Laboratory, Central Leather Research Institute, Council of Scientific and Industrial Research, Adyar, Chennai 600020, India.

Abstract

The dielectric behavior of the gelatine-GAGs based blend systems has been studied to understand the dynamic behavior of the water at the protein-GAGs interfaces which are relevant for tissue engineering application. Impedance (Z) and phase have been measured as a function of frequencies from 0.01 Hz to 100 kHz. GAGs tunes the ionic charge drift which initiates polarization mechanisms through charge accumulation at structural interfaces and creates conduction currents. The admittance results showed that at high frequency, the conductivity increases with increasing GAGs concentration indicating changes in hydration shell of the gelatine by the GAGs.

PMID:
23498283
DOI:
10.1016/j.msec.2013.01.057
[Indexed for MEDLINE]
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