Producción Científica Profesorado

High-performance liquid magneto-chromatography



Rodríguez Ávila, José Antonio

2006

Barrado, E., Rodríguez, J.A., High Performance Liquid Magneto-Chromatography. Journal of Chromatography A 2006, Vol. 1128, p. 189-193, ISSN 0021-9673


Abstract


High-performance liquid magneto-chromatography (HPLMC) is a new chromatography technique with two distinctive features: (a) a high surface area stationary phase with paramagnetic properties composed of magnetite embedded in a silica gel, and (b) a magnetic field (variable intensity 05.5 mT) that selectively retains paramagnetic substances in the stationary phase depending on their magnetic susceptibility. The system can also be used to separate diamagnetic compounds such as biologically active organic molecules, but these first need to be complexed with Fe and Cu compounds to render them paramagnetic. Herein, we describe the experimental setup and the relationship between the retention factor and the magnetic field intensity, i.e., the force interaction of the complexes in relation to the magnetized magnetite. The expression derived also provides the effective magnetic susceptibility (??) of the components separated.



Producto de Investigación




Artículos relacionados

Facilitated transport of Hg(II) through novel activated composite membranes

Estudio de las Interacciones Ácido Húmico-Metales Pesados y Determinación de sus Constantes de Estab...

Potentiometric quantification of saccharin by using a selective membrane formed by pyrrole electropo...

Renewable stationary phase liquid magnetochromatography: determining aspartame and its hydrolysis pr...

Prevalence and Antimicrobial Resistance Patterns of Salmonella from Different Raw Foods in Mexico

Characterization of Main Anthocyanins Extracted from Pericarp Blue Corn by MALDI-ToF MS

Development of a Chloride Ion-Selective Solid State Sensor Based on Doped Polypyrrole-Graphite-Epoxy...

Development of a Polypyrrole Selective Membrane For The Potentiometric Quantification of Saccharinat...

High-performance liquid magneto-chromatography

Validation of a tubular bismuth film amperometric detector: Determination of diclofenac sodium by mu...