Analysis of bisphosphonates using anionic exchange liquid chromatography, ultraviolet indirect detection and by condutivity with eluent supression / Análises de bisfosfonatos por cromatografia líquida de troca aniônica, detecção indireta no ultravioleta e por condutividade com supressão de eluente

Rodrigo de Souza Leite

This work presents the development of chromatografic methodologies for analysis of Bisphosphonates in drugs, raw material and biological fluids using Ion Chromatography with indirect UV detection and conductivity detection with eluent suppression. In chapter 1, an extensive bibliographical research was accomplished in relationship to the pharmacological properties of bisphosphonates, their more important synthetic routes and about the analytical methods presented in the scientific literature. In chapter 2, the development of a method was described for the determination of BP´s etidronate, clodronate, pamidronate and alendronate in raw material and for alendronate tablets, using Ionic Chromatography with indirect UV detection. The methodology was applied to the analysis of medicines containing alendronate in both forms, generic and reference. In chapter 3, studies conducted to determinate etidronate in human plasma, using Multidimensional ionic chromatography with indirect UV detection are decribed. In chapter 4, a methodology developed for the determination of etidronate, clodronate, pamidronate and alendronate in raw material and for alendronate tablets using ionic chromatography and detection for conductivity with eluente suppression is described. The methodology was applied in the analysis of medicines with alendronate generic and reference. In chapter 5, a methodology using ion chromatography and detection for conductivity with eluente suppression was developed and validated to determine clodronate in human urine.

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