Fig. 5From: Periosteum-inspired in situ CaP generated nanocomposite hydrogels with strong bone adhesion and superior stretchability for accelerated distraction osteogenesisIn Vitro pro-angiogenic effects of the nanocomposite hydrogels. a-c Experimental schematic of transwell assay, scratch wound assay and tube formation assay. d Transwell assay for 24 h. e Scratch wound assay after 6 h and 12 h. f Immunofluorescence of tube formation. g, h Angiogenesis related gene expression (HIF-1α and CD31). i Proliferation of HUVECsBack to article page