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Growth of apatite on chitosan-multiwall carbon nanotube composite membranes

Authors
Journal
Applied Surface Science
0169-4332
Publisher
Elsevier
Publication Date
Volume
255
Issue
20
Identifiers
DOI: 10.1016/j.apsusc.2009.06.013
Keywords
  • Mwnt
  • Apatite
  • Biomimetic
  • Mineralization
Disciplines
  • Medicine
  • Physics

Abstract

Abstract Bioactive membranes for guided tissue regeneration would be of value for periodontal therapy. Chitosan-multiwall carbon nanotube (CS-MWNT) composites were treated to deposit nanoscopic apatite for MWNT proportions of 0–4 mass%. Fourier-transform infrared spectroscopy, scanning electron microscopy, energy-dispersive X-ray analysis, and X-ray diffraction were used for characterization. Apatite was formed on the CS-MWNT composites at low MWNT concentrations, but the dispersion of the MWNT affects the crystallite size and the Ca/P molar ratio of the composite. The smallest crystallite size was 9 nm at 1 mass% MWNT.

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