Preparation and Characterization of Coaxial Electrospinning rhBMP2-Loaded Nanofiber Membranes
Optical microscopy images: (a–d) representative staining of ALP on day 20. . (e–h) Representative staining of ARS on day 21. . (a, e) Zein/PLLA, (b, f) Zein-DEX/PLLA, (c, g) Zein/PLLA-rhBMP2 (48 μg), and (d, h) Zein-DEX/PLLA-rhBMP2 (48 μg).
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