926157.fig.009a
(a)
926157.fig.009b
(b)
Figure 9: SEM micrograph of tandolapril-loaded ALG microparticles. The drug payload was 50% of the dry weight. (a) Microparticles without lactose and (b) microparticles with lactose. Scale μm. Reproduced from [98] with permission of Elsevier.