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Keywords:

  • blood purification;
  • dialysis;
  • targeted drug-delivery;
  • SPIONs;
  • magnetic nanoparticles;
  • trace analysis
Thumbnail image of graphical abstract

High magnetic responsiveness is critical for nanomagnets in biomedicine, and fast and complete separation is essential for blood purification or targeted drug delivery, to diminish potential risks. However, studies on the collection efficiency of iron-based nanoparticles are rare. On page 4888, W. J. Stark and co-workers present a new quantification approach based on platinum doping of magnetite and carbon-coated cementite nanoparticles. Their findings show that a good separation efficiency from human whole blood calls for nanomaterials with high saturation magnetizations.