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March 17, 2026European Polymer JournalOpen Access

Engineering Multiscale porosity in Starch–Hydroxyapatite aerogels and aerogel-like xerogels

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Authors

HBHiba BourasSBSytze BuwaldaYTYannick Tillier

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Overview

This research demonstrates creating porous biomaterials using starch and hydroxyapatite, suggesting potential bone substitute applications.

Key Points

  • The aim is to develop porous starch-hydroxyapatite materials with significant properties for bone substitution.
  • Produced porous materials via starch dissolution, retrogradation, and solvent exchange.
  • Achieved aerogels through supercritical CO2 drying and xerogels through vacuum drying.
  • Utilized 3D printing to create structures with hierarchical porosity.
  • Xerogels exhibited a density of 0.3–0.5 g/cm³ and a specific surface area up to 55 m²/g.
  • Materials demonstrated interconnected pore structures and no cytotoxicity.
  • Homogeneous dispersion of hydroxyapatite within the starch matrix was confirmed by imaging techniques.

Cite This Study

Bouras et al. (2026) studied this question.

synapsesocial.com/papers/69b8ef52deb47d591b8c5532https://doi.org/10.1016/j.eurpolymj.2026.114646
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