Dynamic light scattering study on the calf vitreous body

Toyoaki Matsuura, Yoshiaki Hara, Sinnji Maruoka, Shinsuke Kawasaki, Shigeo Sasaki, Masahiko Annaka

研究成果: Contribution to journalArticle査読

4 被引用数 (Scopus)

抄録

From the observations of the dynamics of light scattered by the calf vitreous body, intensity autocorrelation functions that revealed two diffusion coefficients, Dfast and Dslow, were obtained. We developed the theory for describing the density fluctuation of the entities in the vitreous gel system with Na-hyaluronate polymers filled in the meshes of collagen fiber network. The dynamics of collagen and Na-hyaluronate explains two relaxation modes of the fluctuation. The diffusion coefficient of collagen obtained from Dfast and Dslow is very close to that in aqueous solution, which suggests the vitreous body is in the swollen state. The diffusion coefficients were found to be dependent on the position (surface or central part) of the vitreous body from which the scattered light sampled. The inhomogeneous distribution of Na-hyaluronate and collagen and the shell structure of the vitreous body were suggested.

本文言語英語
ページ(範囲)7784-7790
ページ数7
ジャーナルMacromolecules
37
20
DOI
出版ステータス出版済み - 10 5 2004

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics
  • Inorganic Chemistry
  • Materials Chemistry

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