Nanoparticle Arrays: Biotemplated Magnetic Nanoparticle Arrays (Small 2/2012) | Zendy

Galloway Johanna M. | Zendy; Bramble Jonathan P. | Zendy; Rawlings Andrea E. | Zendy; Burnell Gavin | Zendy; Evans Stephen D. | Zendy; Staniland Sarah S. | Zendy

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Nanoparticle Arrays: Biotemplated Magnetic Nanoparticle Arrays (Small 2/2012)

Author(s) -

Galloway Johanna M.,

Bramble Jonathan P.,

Rawlings Andrea E.,

Burnell Gavin,

Evans Stephen D.,

Staniland Sarah S.

Publication year - 2012

Publication title -

small

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.785

H-Index - 236

eISSN - 1613-6829

pISSN - 1613-6810

DOI - 10.1002/smll.201290007

Subject(s) - biomineralization , magnetotactic bacteria , magnetosome , materials science , nanotechnology , nanoparticle , magnetic nanoparticles , template , nanomaterials , ferrimagnetism , nanoscopic scale , magnetite , chemical engineering , magnetization , magnetic field , physics , quantum mechanics , engineering , metallurgy

A biomineralization protein from magnetotactic bacteria (Mms6) used to control both the formation and location of magnetic nanoparticles in a patterned array. Mms6 immobilized on a patterned surface templates high‐quality, crystalline magnetite particles with a narrow grainsize distribution and consistent magnetic behavior under relatively mild conditions. These particles are ferrimagnetic and may be exchange‐coupled on the surface, forming multiparticle attraction/repulsion zones. The biomineralization of nanomaterials in patterned arrays on surfaces using various specific proteins and peptides with templating ability could be used as a more environmentally friendly methodology to develop micro‐ and nanoscale devices.

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