Fig. 1From: Effect of ligustrazine nanoparticles on Th1/Th2 balance by TLR4/MyD88/NF-κB pathway in rats with postoperative peritoneal adhesionPhysicochemical characterization of ligustrazine nanoparticles (LN). a Entrapment efficiency (EE) and loading capacity (LC) of LN. b Cumulative release curve of LN at PH = 7.4. c Scanning electron microscope image of LN (×200 nm)Back to article page