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Growth of hydroxyapatite coating on polymer microspheres

  • Zhang Zhe
  • , Sam Zhang*
  • , Subbu S. Venkatraman
  • , Shang Lei
  • *Corresponding author for this work
  • Nanyang Technological University

Research output: Contribution to journalArticlepeer-review

Abstract

Hydroxyapatite (HA) coated polymer microspheres was prepared by a two-step process under physiological temperature and pH value. A full coverage of plate-like structured HA coating was achieved on poly(lactic-co-glycolic acid) (PLGA) microspheres. Field emission scanning electron microscopy was employed to observe the surface morphology of microspheres before and after coating. Fourier Transform Infrared spectra and X-ray diffraction were used for the chemical groups and crystal structure examination. The HA coated PLGA microspheres have potential applications in controlled drug delivery systems.

Original languageEnglish
Pages (from-to)472-476
Number of pages5
JournalNanoscience and Nanotechnology Letters
Volume3
Issue number4
DOIs
StatePublished - Aug 2011
Externally publishedYes

Keywords

  • Biomimetic
  • Drug delivery
  • Hydroxyapatite coating
  • Poly(lactic-co-glycolic acid) microspheres

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