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Fabrication Of A Poly(ɛ‐caprolactone)/starch Nanocomposite Scaffold With A Solvent‐casting/salt‐leaching Technique For Bone Tissue Engineering Applications

Safa Taherkhani, F. Moztarzadeh
Published 2016 · Materials Science
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A series of nanocomposite scaffolds of poly(ɛ-caprolactone) (PCL) and starch with a range of porosity from 50 to 90% were fabricated with a solvent-casting/salt-leaching technique, and their physical and mechanical properties were investigated. X-ray diffraction patterns and Fourier transform infrared spectra confirmed the presence of the characteristic peaks of PCL in the fabricated scaffolds. Microstructure studies of the scaffolds revealed a uniform pore morphology and structure in all of the samples. The experimental measurements showed that the average contact angle of the PCL/starch composite was 88.05 ± 1.77°. All of the samples exhibited compressive stress/strain curves similar to those of polymeric foams. The samples with 50, 60, 70, and 80 wt % salt showed compressive-load-resisting capabilities in the range of human cancellous bone. With increasing porosity, a significant decrease in the mechanical properties of the scaffolds was observed. © 2016 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43523.

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