Spontaneous patterning and nanoparticle encapsulation in carboxymethylcellulose/alginate/dextran hydrogels and sponges

Ruchi Bilgainya, Farid Khan*, Stephen Mann

*Corresponding author for this work

Research output: Contribution to journalArticle (Academic Journal)peer-review

27 Citations (Scopus)

Abstract

Novel polysaccharide sponges containing a network of capillaries and pore structures have been prepared by freeze drying of Ca2+ ion cross-linked sodium carboxymethylcellulose/sodium alginate hydrogels with or without addition of dextran. The iontropic gels consisted of capillaries, 5 to 40 μm in width, which comprised small pores, 1-25 μm in size. Gold, Fe3O4 or TiO2 nanoparticles were encapsulated in the patterned gels and the mechanical strength of the resulting sponges investigated. Crown Copyright © 2009.

Original languageEnglish
Pages (from-to)352-356
Number of pages5
JournalMaterials Science and Engineering C
Volume30
Issue number3
DOIs
Publication statusPublished - 6 Apr 2010

Keywords

  • Dextran
  • Hydrogels
  • Nanoparticles
  • Polysaccharide sponges
  • Sodium alginate
  • Sodium carboxymethylcellulose

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