Microspherical Particles of Solid Dispersion of Polyvinylpyrrolidone K29-32 for Inhalation Administration

<div>Results of UV spectrophotometric analysis of aqueous solutions of mixtures of PVP K29-32 and PHE at different component compositions. The optical density is measured at a wavelength of 245 nm.</div>

BioMed Research International

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Figure 5

Figure 5: Microspherical Particles of Solid Dispersion of Polyvinylpyrrolidone K29-32 for Inhalation Administration 