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Colloidal Stabilization via Nanoparticle Halos

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Created 09/27/2001

The above image is a schematic showing the effects of nonadsorbing, mutually repulsive nanoparticle additions to mutually attractive microspheres. At modest nanoparticle concentrations, nanoparticles form a protective "halo" configuration around the microspheres preventing flocculation. Data was acquired with the Fluorescence Microscope and the schematics were created in Maya.

Credits

  • Carlos Martinez , Materials Science and Engineering
  • Jennifer A. Lewis , Materials Science and Engineering
  • Valeria Tohver , Materials Science and Engineering
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