Nucleic acid nanotechnology

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Sol-gel organic-inorganic composites for 3-D holographic lithography of photonic crystals with submicron periodicity

Chemistry of Materials 15:12 (2003) 2301-2304

Authors:

K Saravanamuttu, CF Blanford, DN Sharp, ER Dedman, AJ Turberfield, RG Denning

Abstract:

We demonstrate that silica-acrylate materials doped with transition metal (Zr, Ti) oxide nanoparticles are suitable for the three-dimensional holographic lithography of photonic crystals with submicron periodicity and large inorganic contents. By careful choice of inorganic components, such composites could provide a route to the template-free, direct lithography of three-dimensionally ordered structures with high refractive-index contrast, submicron periodicity, and band gaps in the visible and infrared regions.
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DNA as an engineering material

Physics World IOP Publishing 16:3 (2003) 43-46
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DNA fuel for free-running nanomachines

Physical Review Letters 90 (2003) article 118102 4pp

Authors:

AJ Turberfield, J. C. Mitchell, B. Yurke, A. P. Mills
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Photonic crystals for the visible spectrum by holographic lithography

OPTICAL AND QUANTUM ELECTRONICS 34:1-3 (2002) 3-12

Authors:

DN Sharp, M Campbell, ER Dedman, MT Harrison, RG Denning, AJ Turberfield
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DNA transport in bacteria.

Nat Rev Mol Cell Biol 2:7 (2001) 538-545

Authors:

J Errington, J Bath, LJ Wu

Abstract:

DNA transport is important in various biological contexts--particularly chromosome segregation and intercellular gene transfer. Recently, progress has been made in understanding the function of a family of bacterial proteins involved in DNA transfer, and we focus here on one of the best-understood members, SpoIIIE. Studies of SpoIIIE-like proteins show that they might couple DNA transport to processes such as cell division, conjugation (mating) and the resolution of chromosome dimers.
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