Biotemplated magnetic nanoparticle arrays

Small. 2012 Jan 23;8(2):204-8. doi: 10.1002/smll.201101627. Epub 2011 Nov 4.

Abstract

Immobilized biomineralizing protein Mms6 templates the formation of uniform magnetite nanoparticles in situ when selectively patterned onto a surface. Magnetic force microscopy shows that the stable magnetite particles maintain their magnetic orientation at room temperature, and may be exchange coupled. This precision-mixed biomimetic/soft-lithography methodology offers great potential for the future of nanodevice fabrication.

Keywords: Mms6; biomineralization; magnetic nanoparticles; pattern surfaces; protein attachment.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Bacterial Proteins / chemistry
  • Biomimetic Materials / chemistry
  • Immobilized Proteins / chemistry
  • Magnetic Phenomena
  • Magnetite Nanoparticles / chemistry*
  • Magnetite Nanoparticles / ultrastructure
  • Magnetosomes / chemistry
  • Magnetospirillum / chemistry
  • Microscopy, Atomic Force
  • Microscopy, Electron, Scanning
  • Microscopy, Electron, Transmission
  • Nanotechnology
  • X-Ray Diffraction

Substances

  • Bacterial Proteins
  • Immobilized Proteins
  • Magnetite Nanoparticles