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Abstract
This study synthesized a novel polycaprolactone (PCL)-based polyurethane (PU) with an organosilane functional group and produced a biodegradable PU-silica hybrid via the sol-gel process. The resulting hybrid exhibited flexibility, biodegradability, and shape memory ability. Allophanate bonding facilitated rapid sol-gel transition, enabling the creation of 3D porous scaffolds using a salt-leaching process. A 30 wt.% silica hybrid scaffold demonstrated optimal mechanical properties and induced osteogenic differentiation and angiogenesis, accelerating bone regeneration.
Publisher
NPG Asia Materials
Published On
Mar 01, 2023
Authors
Su Jeong Park, Seung Hyuk Im, Donghak Kim, DoYeun Park, Youngmee Jung, Hyung-seop Han, Soo Hyun Kim, Justin J. Chung
Tags
polycaprolactone
polyurethane
biodegradable
hybrid scaffolds
bone regeneration
osteogenic differentiation
angiogenesis

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