527437.fig.002a
(a)
527437.fig.002b
(b)
527437.fig.002c
(c)
527437.fig.002d
(d)
527437.fig.002e
(e)
527437.fig.002f
(f)
527437.fig.002g
(g)
527437.fig.002h
(h)
527437.fig.002i
(i)
Figure 2: MPs aspect and morphology for formulations indicated: (a) F1; (b) F2, elaborated with Eudragit RSPO; (c) F5; (d) F7; (e) F8; (f) F9; (g) E3; (h) blank particles and, (i) TEM image of magnetite employed.