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Keywords:

  • antioxidants;
  • cerium oxide;
  • dextran;
  • nanoceria;
  • pH dependence
Thumbnail image of graphical abstract

Biocompatible dextran-coated nanoceria (cerium oxide nanoparticles) are found to exhibit excellent, pH-dependent antioxidant properties (see image). They provide cytoprotection from free radicals to normal cells but not to cancer cells, and thus have potential applications in antioxidant and anti-inflammatory coatings for prosthetic devices and tissue engineering and in improved cancer therapeutics.