Dynamics in the process of formation of anisotropic chitosan hydrogel

Takao Yamamoto, Naoko Tomita, Yasuyuki Maki, Toshiaki Dobashi

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)


To control the dynamics of dialysis-induced anisotropic gel formation, we have derived a theoretical expression for the development of the gel layer for a simple case where no cross-link sites for cross-linking agents exists and the inflow and the outflow of low molecular weight components through the dialysis membrane modify the state of polymer molecules to meet the gelation condition. A series of experiments using chitosan solution were done as a model case. The experimental results were compared with asymptotic expressions of the time development equation predicted by theory, and the compatibility of the theoretical picture was examined.

Original languageEnglish
Pages (from-to)10002-10009
Number of pages8
JournalJournal of Physical Chemistry B
Issue number31
Publication statusPublished - Aug 12 2010
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Materials Chemistry


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