Particle electrophoresis of micrometric-sized superparamagnetic particles designed for magnetic purification of cells.


Measuring the electrophoretic mobility of superparamagnetic particles (0.5-4.5 microns mean size) was undertaken to probe the coupling of lectins and antibodies to their surface. Coupling was either noncovalent (antigen-antibody and biotin-streptavidin linkage) or covalent (tosyl-activated beads). The direct observation of the electrophoresis of single… (More)


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