superparamagnetic Fe3O4 nanoparticles

EPRUI Nanoparticles& Microspheres Co.Ltd. cooperates closely with top magnetic nanomaterials research centers or Universities in China to supply various supermagnetic nanoparticles or magnetic beads. Presently, EPRUI can supply four types of functionalized magnetic nanoparticles including:amino/amine functionalized magnetic nanoparticles; carboxyl group magnetic beads; epoxy group functionalized magnetic nanospheres; -SiOH treated Magnetic particles; IDA group functionalized magnetic nanoparticles.

Item

APS

Appearance

Functional group

Surface loading

Saturation magnetization

Isoelectric point (PI)

Applicable pH range

Concentration

Fe3O4

15nm;

20nm;

100-200nm;

200-300nm;

300-400nm;

400-500nm;

500-600nm;

Reddish brown transparent

 to black nano-dispersion solution

-NH2

-COOH

-Epoxy

-SiOH

> 0.5 mmol/g

>70 emu/g

pH 7~8

pH > 3.5

5mg/ml;

10mg/ml