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March/April 2010
Papers of Note
Mix the right two proteins with the right building blocks
and you can make multifunctional nanoparticles that can, for example, target,
tag and kill cancer cells.Protein-assisted self-assembly of multifunctional nanoparticles, Proceedings of the National Academy of Sciences
Apply a little magnetic levitation and you can make a three-dimensional cell cultures that are more lifelike stand-ins for living tissue in testing new drugs and growing replacement organs.
Three-dimensional tissue culture based on magnetic cell levitation, Nature Nanotechnology
Combine the right types of DNA molecules and you can make nanotubes with built-in cargo holds for carrying nanoparticles and that can be opened with additional DNA strands to release their cargoes.
Loading and selective release of cargo in DNA nanotubes with longitudinal variation, Nature Chemistry
Stories Elsewhere
Bar codes could be next to check out, Science News
Nanotube RFID: Better Barcodes?, Technology Review
(Source: IEEE Transactions on Electron Devices paper All-Printed and Roll-to-Roll-Printable 13.56-MHz-Operated 1-bit RF Tag on Plastic Foils)
Paralysed limbs revived by hacking into nerves, New Scientist
(Source: Journal of Neural Engineering paper Selective stimulation of the human femoral nerve with a flat interface nerve electrode)
Babbage nanomachine promises low-energy computing, New Scientist
(Source: Nano Letters paper A Noise-Assisted Reprogrammable Nanomechanical Logic Gate)
Electronics 'missing link' brings neural computing closer, New Scientist
(Source: Nano Letters paper Nanoscale Memristor Device as Synapse in Neuromorphic Systems)
Human arm transmits broadband, New Scientist
(Source: Journal of Micromechanics and Microengineering paper Wearable polyimidePDMS electrodes for intrabody communication)
Macro-Weirdness: "Quantum Microphone" Puts Naked-Eye Object in 2 Places at Once, Scientific American
First quantum effects seen in visible object, New Scientist
(Source: Nature paper Quantum ground state and single-phonon control of a mechanical resonator)
Strung-out plastic performs heat feat, New Scientist
(Source: Nature Nanotechnology paper Polyethylene nanofibres with very high thermal conductivities)
3D invisibility cloak unveiled, Optics.org
How to hide a bump with some logs, Science News
Invisibility cloak makes stuff disappear in three dimensions, Ars Technica
(Source: Science paper Three-Dimensional Invisibility Cloak at Optical Wavelengths)
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| "Physics
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Thanks to Kevin from
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