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Polymer assisted hydroxyapatite microspheres suitable for biomedical application.

A Sinha1, T Mishra, N Ravishankar

  • 1Materials Science & Technology Division, National Metallurgical Laboratory, Jamshedpur 831007, India. arvind@nmlindia.org

Journal of Materials Science. Materials in Medicine
|October 24, 2007
PubMed
Summary
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Researchers developed a novel, cost-effective method for creating hydroxyapatite-polymer composite hollow microspheres. This biomimetic synthesis and spray drying technique offers control over microarchitecture for drug delivery and tissue engineering applications.

Area of Science:

  • Biomaterials Science
  • Nanotechnology
  • Materials Chemistry

Background:

  • Hollow microspheres of hydroxyapatite-polymer composite are valuable for drug delivery and tissue engineering.
  • Existing synthesis methods lack economic viability, scalability, and precise microarchitectural control.

Purpose of the Study:

  • To introduce a novel, economically viable, and scalable method for producing hydroxyapatite-polymer composite hollow microspheres.
  • To achieve precise control over the microarchitecture of the microspheres.

Main Methods:

  • Integration of biomimetic synthesis of nanoparticles within a polymer matrix.
  • Application of spray drying techniques for microsphere formation.
  • Utilizing polymer matrix mediation for controlled nanoparticle morphology and dimensions.

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Main Results:

  • A novel process for synthesizing hydroxyapatite-polymer composite hollow microspheres is presented.
  • The proposed method combines biomimetic synthesis and spray drying for controlled production.
  • Potential for economic viability and scalability is highlighted.

Conclusions:

  • The developed method offers a promising route for producing advanced hydroxyapatite-polymer composite hollow microspheres.
  • This technique addresses limitations of current synthesis methods.
  • The resulting microspheres hold significant potential for drug delivery and tissue engineering applications.