Field induced phase segregation in ferrofluids

Kooij, Ernst S.; Gâlcă, A.C.; Poelsema, Bene

doi:10.1016/j.jcis.2008.08.029

Cited by 2 publications

(1 citation statement)

References 32 publications

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“…Biomedical applications require the magnetic particles to be stable in water at neutral pH and physiological salinity. The colloidal stability of magnetic fluids [2,3] will depend on the dimensions of particles, which should be sufficiently small to avoid of aggregation and on the surfactant commonly a monolayer of oleic acid (steric repulsion), or the particles are prevented from sticking to each other by electrostatic bilayer (electrostatic repulsion) [4,5,6,7]. Moreover, for in vivo applications the magnetic particles must be coated with biocompatibile polymer [8,9].…”

Section: Introductionmentioning

confidence: 99%

Radiation Stability of the BSA Modified Biocompatible Magnetic Fluid

et al. 2014

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The aim of the presented work was to investigate the stability of biocompatible magnetic uid, i.e. water-based magnetic uid containing magnetite nanoparticles stabilized by surfactant sodium oleate and modied by bovine serum albumin (BSA) after electron irradiation. Samples with the same concentration of Fe3O4 but dierent mass ratio BSA/Fe3O4 (w/w= 0.25, 1.0 and 2.5) were studied. The electron irradiation caused about 10% reduction of the saturation magnetization in the samples with w/w BSA/Fe3O4 ratio of 0.25 and less than 5% in the samples with w/w BSA/Fe3O4 ratio of 1 and 2.5.

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