An Alcohol-Free SiO2 Sol-Gel Matrix Functionalized with Acetic Acid as Drug Reservoir for the Controlled Release of Pentoxifylline
Figure 6
(a) Thermogravimetric analysis and (b) differential scanning calorimetry curves of nanoparticles acetic acid-functionalized nanomaterials SiO2 and PTX-SiO2. The inset shows thermogravimetric profile of bare PTX.