DNA nanomachines
Chapter in Nanoscience and Technology, World Scientific Publishing (2009) 124-133
DNA monofunctionalization of quantum dots.
Chembiochem 10:11 (2009) 1781-1783
Replicated photonic crystals by atomic layer deposition within holographically defined polymer templates
Applied Physics Letters 94:26 (2009)
Abstract:
We report the replication of holographically defined photonic crystals using multistage atomic layer deposition. Low- and high-temperature atomic layer depositions were combined with selective etching to deposit and remove multiple conformal thin films within three-dimensional polymer templates. Using intermediate Al 2 O 3 inverse replicas, temperature- sensitive SU-8 photonic crystal templates were faithfully replicated with TiO 2 and GaP, greatly increasing the dielectric contrasts of the photonic crystals. Optical measurements are in good agreement with the calculated band structures. © 2009 American Institute of Physics.High-resolution structural analysis of a DNA nanostructure by cryoEM.
Nano Lett 9:7 (2009) 2747-2750
Abstract:
Many DNA nanostructures have been produced and a wide range of potential applications have been proposed. However, confirmation of accurate 3D construction is particularly challenging. Here, we demonstrate that cryoEM may be exploited to obtain structural information at sufficient resolution to visualize the DNA helix and reveal the absolute stereochemistry of a 7 nm self-assembled DNA tetrahedron. Structural analysis at such high resolution by cryoEM image analysis is unprecedented for any biological molecule of this size.Mechanism for a directional, processive, and reversible DNA motor.
Small 5:13 (2009) 1513-1516