Fig 5.
The SEM images of (A) mPA (blank), (B) M10/mPA (mPA+ 1000 μg/mL MNP), (C) H1/mPA (mPA+ 100 μg/mL HAP), (D) H5/mPA (mPA + 500 μg/mL HAP) hydrogels, and (E) the magnification of H5/mPA.
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