Research Article
The Effect of Stromal-Derived Factor 1α on Osteoinduction Properties of Porous β-Tricalcium Phosphate Bioceramics
Figure 2
Electron microscopic view of the surface of the porous TCP bioceramics: (a) without pretreatment, the surface is smooth and not suitable for loading drugs; (b) after pretreatment, the surface becomes rough and can do well in drug loading; (c) TCP loaded with SDF-1α and Ca-P deposition.
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