Fig. 3From: Enhancement of scutellarin oral delivery efficacy by vitamin B12-modified amphiphilic chitosan derivatives to treat type II diabetes induced-retinopathyPhoto of the Chit-DC-VB12-Scu solution (a) and scanning electron microscopy image of Chit-DC-VB12-Scu nanoparticles (b) and hydrodynamic diameter distribution of Chit-DC-VB12-Scu nanoparticles (c)Back to article page