plain

Plain perimag® particles have an unmodified dextran surface and are available with a diameter of 130 nm. They consist of about 45-50% (w/w) iron oxide in a matrix of dextran (40.000 Da). The perimag® particles cannot be separated with conventional permanent magnets, but in a high gradient magnetic field. They are delivered in water without any surfactants. Plain perimag® particles can be produced with higher iron concentration upon request.

 

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References