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Preparation of HA/chitosan composite coatings on alkali treated titanium surfaces through sol–gel techniques

Authors
Journal
Materials Letters
0167-577X
Publisher
Elsevier
Publication Date
Volume
61
Issue
18
Identifiers
DOI: 10.1016/j.matlet.2006.12.089
Keywords
  • Hydroxyapatite
  • Chitosan
  • Alkali Treatment
  • Composite Materials
  • Coatings
Disciplines
  • Earth Science
  • Geography

Abstract

Abstract In this paper we demonstrated for the first time the feasibility to generate well crystallized hydroxyapatite/chitosan (HA/CS) composite coatings on alkali treated titanium surfaces through combining the in situ hydrothermal precipitation and sol–gel dip coating technique without introducing any other coupling agent. Alkali treatment converting hydrophobic Ti surfaces into super-hydrophilic surfaces was the pre-requirement of uniform coatings. Preliminary cell culturing results revealed that the coatings were biocompatible and supported osteoblasts attachment.

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