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Nanotechnology

Carbon nanotubes as probes for scanning near-field optical microscopy
Antenna resonances play a crucial role in the operation of a metallic carbon nanotube probe in a scanning near-field microscope.
Controlling the dimensions of semiconductor nanowires influences the scattering and absorption of light, potentially leading to solar cells with reduced scattering or enhanced absorption.
3 September 2010
Reversible, controlled creation of patterns of topological defects in liquid crystals is achieved using focused beams with optical phase singularities.
23 August 2010
Combining suitable nanomaterials and unconventional fabrication techniques marks a step forward in realizing less expensive, smaller-footprint, all-optical circuits on a chip.
23 August 2010
A new, seamless, sample-to-answer technology (high-conductance dielectrophoresis) enables rapid analysis of high-molecular-weight DNA clusters and drug-delivery nanoparticles based directly on whole blood.
19 August 2010
Portable optical devices capable of real-time, in situ sensing and characterization of individual nanoparticles and pathogens could offer unprecedented benefits in a range of applications.
9 August 2010
 
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31 August 2010
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