Figure 4.
Scanning electron microscopy images of the n-CDAP–PCL–PEG–PCL composite scaffold surface.
Abbreviation: n-CDAP–PCL–PEG–PCL composite, nano calcium-deficient apatite and poly(ɛ-caprolactone)–poly(ethyleneglycol)–poly(ɛ-caprolactone).
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