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Development and validation of an HPLC method for the determination of fluorouracil in polymeric nanoparticles

Keywords: Fluorouracila , Nanopartículas , Cromatografia líquida de alta eficiências , Cromatografia líquida de alta eficiências , Fluorouracil , Nanoparticles , High performance liquid chromatography , High performance liquid chromatography

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Abstract:

The objective of this work was to develop and validate a rapid high performance liquid chromatography (HPLC) method for the quantitative analysis of fluorouracil (5-FU) in polymeric nanoparticles. Chromatographic analyses were performed on an RP C18 column with a mobile phase consisting of acetonitrile and water (10:90, v/v) at a flow rate of 1 mL/min. The 5-FU was detected and quantitated using a photodiode array detector at a wavelength of 265 nm. The method was shown to be specific and linear in the range of 0.1-10 μg/mL (r = 0.9997). The precision (intra- and inter-day) was demonstrated because the maximum relative standard deviation was 3.51%. The method is robust relative to changes in flow rate, column and temperature. The limits of detection and quantitation were 10.86 and 32.78 ng/mL, respectively. The method fulfilled the requirements for reliability and feasibility for application to the quantitative analysis of 5-FU in polymeric nanoparticles. O objetivo deste trabalho foi desenvolver e validar um método rápido de cromatografia líquida de alta eficiência (CLAE) para análise quantitativa de fluorouracila (5-FU) em nanopartículas poliméricas. Corridas cromatográficas foram realizadas sob uma coluna RP C18 com uma fase móvel consistindo de acetonitrila e água (10:90, v/v) a um fluxo de 1 mL/min. O 5-FU foi detectado e quantificado através de um detector de fotodiodos em um comprimento de onda de 265 nm. O método demonstrou ser específico e linear na faixa de 0,1-10 μg/mL (r =0.9997). As precis es (intra e inter dia) revelaram um desvio padr o relativo máximo de 3,51%. O método é robusto considerando mudan as realizadas no fluxo da fase móvel, temperatura e marca da coluna. Os limites de detec o e quantifica o foram de 10,86 e 32,78 ng/mL, respectivamente. O método cumpriu os requisitos para ser considerado confiável e viável para aplica o na análise quantitativa de 5-FU em nanopartículas poliméricas.

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