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Poly(D,L-lactide-co-glycolide) nanospheres incorporating flurbiprofen were prepared by the solvent displacement technique for purposes of assessing (i) drug-polymer physicochemical interactions, (ii) flurbiprofen release from the polymer matrix and (iii) eye permeation of the drug formulated in the colloidal system. The resulting nanospheres were on average(More)
The effects of temperature and two different initial pH (2.67 and 7.00) on poly-epsilon-caprolactone (P epsilon CL) nanospheres loaded with flurbiprofen (FB) (aqueous suspensions) were studied to investigate their influence on the stability and physicochemical characteristics of these drug delivery systems. The drug release behavior was also studied.(More)
This study reports on the preparation and evaluation of cyclophosphamide loaded-polyalkylcyanoacrylate nanospheres obtained by emulsion polymerization. Characterization by differential scanning calorimetry, infrared spectroscopy and X-ray diffraction can reveal state dispersion of the drug inside the nanospheres. Such information predicts the stability of(More)
We report the preparation and evaluation of flurbiprofen loaded-poly-epsilon-caprolactone nanospheres obtained by solvent displacement method. Characterization by thermal methods, infrared spectroscopy and X-ray diffraction analysis can reveal the dispersion state of the drug inside the nanospheres. Such information predicts the stability of the particles(More)
The entrapment of cisplatin into biodegradable colloidal systems (polyalkylcyanoacrylates) was studied. Nanoparticles were characterized in terms of relevant parameters for organ distribution in vivo, such as particle diameter and particle size distribution, determined by correlation photon spectroscopy and transmission electron microscopy. Association(More)
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