Skip to main content
. 2014 May 7;9:1957–1965. doi: 10.2147/IJN.S57048

Figure 3.

Figure 3

SEM images of morphology of BSA-loaded microspheres prepared with different surfactant ratios of Tween 80 to Span 80 of 3:2 (A and B), 7:3 (C), and 4:1 (D).

Abbreviations: BSA, bovine serum albumin; SEM, scanning electron microscopy.