Magnetic separation of colloidal nanoparticle mixtures using a material specific peptide

  • Essinger-Hileman E
  • Popczun E
  • Schaak R
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Abstract

A material specific peptide bound to Fe2O3 facilitates the selective sequestration of Au from a colloidal mixture of Au and CdS nanoparticles; the Au-Fe2O3 precipitate can then be magnetically separated from the colloidal CdS, and the Au nanoparticles can be recovered upon release from the Fe2O3.

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Authors

  • Elizabeth R. Essinger-Hileman

  • Eric J. Popczun

  • Raymond E. Schaak

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