Fig. 9From: Three-dimensional printed hydroxyapatite bone tissue engineering scaffold with antibacterial and osteogenic abilitySEM images of MC-3T3-E1 cells cultured for 3 days on different scaffolds (a HA, b PSI10@HA, c PSI10/HABP@HA, d BMP2-MP@HA, e BMP2-MP/HABP@HA and f PSI10/HABP&BMP2-MP/HABP@HA). (The yellow areas represent areas of cell adhesion, scale bar = 20 μm)Back to article page