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Schematic diagram and preparation of micellized PTD-BMP-7. (A) Schematic diagram of biogenesis of latent bone morphogenetic protein-7 (BMP-7) (upper), and developmental strategy of micellized PTD-BMP-7 compared to soluble rhBMP-7 (lower). (B) Particle size distribution detected by direct light scattering (left) and scanning electron microscopy (right). Scale bar, 200 nm.
