Research Article

Supercritical Assisted Atomization: Polyvinylpyrrolidone as Carrier for Drugs with Poor Solubility in Water

Figure 4

FESEM images of dexamethasone-PVP microparticles, with and , obtained by SAA operated at 40°C and 76 bar in the saturator and 70°C and 1.6 bar in the precipitator.
801069.fig.004a
(a)
801069.fig.004b
(b)