Artículos de revistas
Microextração em fase líquida (LPME): fundamentos da técnica e aplicações na análise de fármacos em fluidos biológicos
Fecha
2008Registro en:
Química Nova, v.31, n.3, p.637-644, 2008
0100-4042
10.1590/S0100-40422008000300031
Autor
OLIVEIRA, Anderson Rodrigo Moraes de
MAGALHÃES, Igor Rafael dos Santos
SANTANA, Fernando José Malagueño de
BONATO, Pierina Sueli
Institución
Resumen
The analysis of drugs and metabolites in biological fluids usually requires extraction procedures to achieve sample clean-up and analyte preconcentration. Commonly, extraction procedures are performed using liquid-liquid extraction or solid-phase extraction. Nevertheless, these extraction techniques are considered to be time-consuming and require a large amount of organic solvents. On this basis, microextraction techniques have been developed. Among them, liquid-phase microextraction has been standing out. This review describes the liquid-phase microextraction technique based on hollow fibers as a novel and promising alternative in sample preparation prior to chromatographic or electrophoretic analysis. The basic concepts related to this technique and its applicability in extraction of drugs are discussed.