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Production of bioactive glass-derived scaffolds using citric acid porogen

  • Samaneh Izadi , Saeed Hesaraki and Masoud Hafezi-Ardakani
Published/Copyright: March 12, 2015
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 106 Issue 3

Abstract

In the present study porous bioactive scaffolds were produced by mixing citric acid porogen and sol–gel derived bioactive glass powder, followed by sintering at 1200, 1250 and 1300°C. Bioglass powder and scaffolds were characterized by means of thermogravimetry, X-ray diffraction, scanning electron microscopy, and transmission electron microscopy. Total porosity and compressive strength of scaffolds sintered at 1250°C were 70% and 0.8 MPa, respectively. Also, X-ray diffraction analysis of these scaffolds showed calcium pyrophosphate, pseudowollastonite and cristobalite were the main phases found in the composition of the scaffolds at all three temperatures. After immersion of scaffolds in simulated body fluid, remarkable calcium phosphate precipitation was observed under scanning electron microscopy. This scaffold can be a suitable candidate for bone tissue engineering.

Keywords: Citric acid; Bioactive glass; Scaffold; Bone tissue engineering
* Correspondence address, Dr. Saeed Hesaraki, Materials and Energy Research Center, Emam Khomeini Blvd., Meshkin Dasht, Karaj, Islamic Republic of Iran, Tel.: +982636204131, Fax: +982636201888, E-mail:

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Received: 2014-06-17
Accepted: 2014-10-20
Published Online: 2015-03-12
Published in Print: 2015-03-11

© 2015, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111171
Keywords for this article
Citric acid; Bioactive glass; Scaffold; Bone tissue engineering

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Phase equilibria studies of the “MnO”–Al2O3–SiO2 system in equilibrium with metallic alloy. Part 2: phase equilibria
  5. X-ray stress measurement from an imperfect Debye–Scherrer ring
  6. Effect of heat treatment on the microstructure and tensile properties of Ti-5Al-3Zr-4Mo-3V alloy
  7. Quantification of roping in aluminium sheet alloys for car body applications by combining 3D surface measurements with Fourier analysis
  8. Dissimilar friction stir welding between polycarbonate and AA 7075 aluminum alloy
  9. Evaluation of the corrosion resistance of plasma nitrided austenitic stainless steel
  10. Corrosion performance and microstructural response of A380 matrix alloy reinforced with sol–gel TiO2-coated SiC particles: a perspective on previous studies
  11. Role of chloride in the electrochemical behaviour of AZ31B Mg alloy
  12. Implications of solute super-saturation in growth of vaporisation-induced recrystallised grains during heat treatment in Ni-base superalloys
  13. Rapid synthesis of Mn3O4 powder from pyro-synthesis of ethylene glycol–metal nitrate precursor assisted by nitric acid
  14. Production of bioactive glass-derived scaffolds using citric acid porogen
  15. Short Communications
  16. Microstructure and mechanical properties of deformed Mg–Mn–Sn alloys
  17. Fast microwave synthesis and characterization of MgTi2O5
  18. Time dependent synthesis of crystalline Bi2S3 and its application as a sensitizer in SnO2 based solar cells
  19. Synthesis of cobalt-doped CdS (CdS:Co) by a simple and rapid microwave activated method and investigating optical properties
  20. People
  21. In Memoriam Volker Schumacher
  22. DGM News
  23. DGM News
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