Fig. 1From: Biomineralized tetramethylpyrazine-loaded PCL/gelatin nanofibrous membrane promotes vascularization and bone regeneration of rat cranium defectsSEM graphs of PCL/Gelatin nanofibers. A PCL/Gelatin/paraffin sphere membrane. B PCL/Gelatin/paraffin sphere membrane was washed with hexane and cyclohexane. C Nanofiber diameter of PCL/Gelatin/paraffin sphere membrane. D Nanofiber diameter of PCL/gelatin/paraffin sphere membrane was washed with hexanes and cyclohexane. Red arrow: bubble shapeBack to article page