Micro CT scanning analysis results showed that the Coaxial-0.1GO group and Coaxial-0.5GO group had better osteogenic performance. This result may be due to the long-term continuous release of ASTA from the nanofiber membrane in the Coaxial-0.1GO group and Coaxial-0.5GO group to induce macrophages to polarize into M2 type and play an anti-inflammatory role, creating a good microenvironment for bone regeneration.
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