Fig. 5From: Preparation of antibacterial and osteoconductive 3D-printed PLGA/Cu(I)@ZIF-8 nanocomposite scaffolds for infected bone repairAlkaline phosphatase (ALP) staining (a–c) and ALP activity (d) of MSCs cultured on the surface of PLGA scaffolds and PLGA/Cu(I)@ZIF-8 scaffolds. **p < 0.001 compared with the control group; ##p < 0.001 compared with the control group and the PLGA scaffolds groupBack to article page