Metal ion release kinetics from nanoparticle silicone composites.

  title={Metal ion release kinetics from nanoparticle silicone composites.},
  author={Anne Hahn and Gudrun Brandes and Philipp Wagener and Stephan Barcikowski},
  journal={Journal of controlled release : official journal of the Controlled Release Society},
  volume={154 2},
Metal ion release kinetics from silver and copper nanoparticle silicone composites generated by laser ablation in liquids are investigated. The metal ion transport mechanism is studied by using different model equations and their fit to experimental data. Results indicate that during the first 30 days of immersion, Fickian diffusion is the dominant transport mechanism. After this time period, the oxidation and dissolution of nanoparticles from the bulk determine the ion release. This second… CONTINUE READING
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