BRILLOUIN LIGHT-SCATTERING FROM A BIOPOLYMER GEL - HYPERSONIC SOUND-WAVES IN GELATIN

Authors
BOT A SCHRAM RPC WEGDAM GH
Citation
A. Bot et al., BRILLOUIN LIGHT-SCATTERING FROM A BIOPOLYMER GEL - HYPERSONIC SOUND-WAVES IN GELATIN, Colloid and polymer science, 273(3), 1995, pp. 252-256
Citations number
25
Categorie Soggetti
Polymer Sciences
Journal title
Colloid and polymer science → ACNP
ISSN journal
0303402X
Volume
273
Issue
3
Year of publication
1995
Pages
252 - 256
Database
ISI
SICI code
0303-402X(1995)273:3<252:BLFABG>2.0.ZU;2-J
Abstract
Rayleigh-Brillouin light scattering experiments were performed on gela tin gels in order to obtain the (hypersonic) sound velocity and sound attenuation as a function of gelatin concentration. The results show t hat in the high frequency regime there is a strong coupling in the gel between the dynamics of the network and that of the fluid. The networ k sound velocity varies with phi(1/2). Sound attenuation increases wit h increasing gelatin concentration.