ArticlebioRxiv : the preprint server for biology2026
Relyophilized collagen scaffold to improve handling and small molecule loading.
Article in bioRxiv : the preprint server for biology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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7 authors.
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Abstract
Tissue engineering scaffolds such as collagen-based biomaterials have long been used to mimic native extracellular matrix in a wide range of regenerative applications. Their high porosity, tunable degradation and mechanics, and cell adhesion sites provide a structure upon which cells can grow and differentiate, while they also have the potential to act as carriers for loading and release of biomolecules to aid in healing. Here we describe the inclusion of a second lyophilization step in the fabrication process to enable improved loading efficiency of bone morphogenic protein 2 as well as increased ease of end-user handling. We report mineralized collagen scaffolds demonstrate maintained microarchitecture and mechanical properties post-relyophilization with reduced variability in biomolecule loading. Relyophilization allows consistent loading and release profiles and suggests the potential to improve the translational potential of collagen scaffold biomaterials for regenerative medicine applications.
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