Figure 1From: Inhibition of interleukin-1beta-stimulated dedifferentiation of chondrocytes via controlled release of CrmA from hyaluronic acid-chitosan microspheresCharacterization of microspheres. The image showed the characterization of microspheres detected by SEM. 1. Various size of microspheres distributed uniformly. 2. The image of the surfaces and internal of these microspheres. 3.4 There is a slight increase in microsphere size in the presence of HA (Figure 1.3, Figure 1.4).Back to article page