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https://hdl.handle.net/10316/5781
Título: | Comparison of dissolution profiles of Ibuprofen pellets | Autor: | Costa, F. O. Sousa, J. J. S. Pais, A. A. C. C. Formosinho, S. J. |
Palavras-chave: | Dissolution profiles comparison; Model dependent methods; Model independent methods; Mean dissolution times; Fit factors; Correlation coefficients | Data: | 2003 | Citação: | Journal of Controlled Release. 89:2 (2003) 199-212 | Resumo: | In this work we use both model dependent and independent techniques to assess the difference between dissolution profiles in which ibuprofen, in the form of uncoated pellets, is used as a model drug. The choice of a proper regression function, the relevance of the estimated parameters and the influence of the choice of dissolution points in the assessment of differences is discussed. The results obtained via mean dissolution times (MDT) and fit-factors (f1 and f2) are also discussed and a non-quantitative method based on profiles correlation with graphical representation (concentration vs. concentration and rate vs. rate) presented. The tested methods discriminate similarly between curves, although not in all cases, but those based on modeling, MDT and fit-factors have shown to be less informative than the correlation approach. | URI: | https://hdl.handle.net/10316/5781 | DOI: | 10.1016/S0168-3659(03)00033-6 | Direitos: | openAccess |
Aparece nas coleções: | FFUC- Artigos em Revistas Internacionais |
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Ficheiro | Descrição | Tamanho | Formato | |
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filebf23384fd26443af89fb7d1128288cea.pdf | 320.83 kB | Adobe PDF | Ver/Abrir |
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