Sano, Ken-Ichi and Yoshii, Shigeo and Yamashita, Ichiro and Shiba, Kiyotaka (2007) In aqua structuralization of a three-dimensional configuration using biomolecules. NANO LETTERS, 7 (10). pp. 3200-3202.
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Official URL: http://dx.doi.org/10.1021/nl071921b
Ferritin nanoparticles ornamented with a Ti-binding peptide are versatile nanoscaled building blocks. Their specific binding ability is strong enough to position them on nanopatterned Ti regions on a Pt substrate. Furthermore, the peptides mineralization activity enables the formation of titania on the outer side of the particle, and the particle's inner nanospaces can serve as a carrier for inorganic nanodots. Making use of all these properties, here we show controlled in aqua fabrication of three-dimensional nanoscale structures. The X-Y positioning obeyed the specific binding of the peptide, while fabrication in the Z-dimension entailed stepwise formation of titania and ferritin layers by alternately applying the binding and mineralization abilities of the Ti-binding peptide. This method paves the way for in aqua fabrication of nanodevices having complicated structures and functions.
|Subjects:||Material Science > Nanofabrication processes and tools|
Material Science > Bio materials
Material Science > Nanochemistry
Material Science > Nanostructured materials
|Deposited By:||Anuj Seth|
|Deposited On:||18 Dec 2008 16:52|
|Last Modified:||18 Dec 2008 16:52|
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