The surface of the super paramagnetic Fe3O4 nanoparticle is covalently functionalized with poly(ethylenimine) (PEI), and has rich amine groups, which can be used for further functionalization. PEI coated magnetic nanoparticles can be used in the area of diagnostic immunoassay, gene transfection, biomolecule separation, cell separation, enzyme immobilization, drug delivery, and biomedical imaging.
Appearance: Reddish brown transparent to black nano dispersion solution
Functional group: -NH2
Surface loading: > 5 mmol/g
Saturation magnetization: >70 emu/g
Applicable pH range: pH > 3.5
Concentration: 10mg/ml, 30mg/ml
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EPRUI promise to supply magnetic nanoparticles with high quality, good sphericity and competitive price! Customization is accepted if for special needs.