FF - Faculdade de Farmácia
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A FF - Faculdade de Farmácia, da Universidade Federal de Goiás, oferece curso de Graduação em: Farmácia. Além de Especialização em: Fitoterapia; e, Citologia Clínica.
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Navegando FF - Faculdade de Farmácia por Autor "Alves, Carina Pimentel Itapema"
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Item Emprego da técnica de HRGC na identificação da isotretinoína e seus produtos de degradação em medicamentos(Marize Campos Valadares, 2004-12) Diniz, Danielle Guimarães Almeida; Alves, Carina Pimentel Itapema; Lima, Eliana Martins; Antoniosi Filho, Nelson RobertoIsotretinoin or 13-cis-retinoic acid is a member of the large group of Vitamin A related compounds. Due to its effect on regulating cell differentiation it has been used for the treatment of cystic and nodular acne and also as an inhibitor of neoplasic cells proliferation. This paper describes a gas chromatography method used for the assay of isotretinoin in its isolated form and in pharmaceutical formulations. Results showed that the method exhibited a high efficiency to determine the quality of isotretinoin in raw materials and in pharmaceuticals.Item Estudo da encapsulação da isotretinoína em lipossomas(Marize Campos Valadares, 2007-06) Alves, Carina Pimentel Itapema; Diniz, Danielle Guimarães Almeida; Lima, Eliana MartinsLiposome vesicles are able to encapsulate hydrophilic and lipophilic substances, either in their lipid bilayer or in the inner aqueous compartment. Retinoids are among the several drug classes whose encapsulation into liposomes might result in potential positive results. In this work, isotretinoin encapsulation into liposomes was studies. Liposomes were prepared by the chloroform injection method, with further characterization by dynamic light scattering. Encapsulation efficiency was determined by UV spectrophotometry. It was observed that when liposomes were made with 40mM of phosphatidylcholine and 10 mM of cholesterol, the encapsulation efficiency was reduced when compared to PC liposomes, since both molecules are included in the lipid bilayer.