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Science

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3D, Nanocrystals, Solution, Synthesis, Semiconductors, Optics, Ligands

Directed Synthesis of Three-Dimensional Nanostructures

University of Arkansas researchers have examined the mechanisms underlying the synthesis of three-dimensional nanocrystals in solution and have created a systematic method for the directed synthesis of such nanocrystals.

Science

Channels:

Materials, drug, Delivery, Engineering, Nanoparticles

Electric Jolt Triggers Release of Biomolecules, Nanoparticles

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Researchers have devised a way to use a brief burst of electricity to release biomolecules and nanoparticles from a tiny gold launch pad. The technique could be used to dispense small amounts of medicine on command from a chip implanted in the body.

Science

Channels:

Explosives, Energetic, Nanoscale, Temperature, Cantilever, AFM

Study Reveals Nanoscale Properties of Explosives

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Using nanometer scale analysis techniques and quantities too small to explode, researchers have mapped the temperature and length-sale factors that make energetic materials "“ otherwise known as explosives "“ behave the way they do.

Science

Channels:

Nanotechnology, Nanoscience, Nanotubes, Materials

Nanotube Ink: Desktop Printing of Carbon Nanotube Patterns

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Using an off-the-shelf inkjet printer, a team of scientists has developed a simple technique for printing patterns of carbon nanotubes on paper and plastic surfaces. The method, which is described in the August 2006 issue of the journal Small, could lead to a new process for manufacturing a wide range of nanotube-based devices, from flexible electronics and conducting fabrics to sensors for detecting chemical agents.

Science

Channels:

Nanotechnology, Nanocantilevers, Sensors, Environment, Homeland Security, Mechanical, Micromachines

'Nanocantilevers' Yield Surprises Critical for Designing New Detectors

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Researchers at Purdue University have made a discovery about the behavior of tiny structures called nanocantilevers that could be crucial in designing a new class of ultra-small sensors for detecting viruses, bacteria and other pathogens.

Science

Channels:

Nanowire, Paper, Assemblies, Titanium, Dioxide

Nanowire-Paper Offers Strength, Flexibility

University of Arkansas researchers have created assemblies of nanowires that show potential in applications such as armor, flame-retardant fabric, bacteria filters, oil cracking, controlled drug release, decomposition of pollutants and chemical warfare agents.

Science

Channels:

Nanotechnology, Nanoscience, Nanocatalysis, GOLD

Researchers Find Controls to Gold Nanocatalysis

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Researchers at the Georgia Institute of Technology have made a discovery that could allow scientists to exercise more control over the catalytic activity of gold nanoclusters, an important development in the rapidly developing field of nanotechnology.

Science

Channels:

Optics, Photonics, Biosensors, Sensors, Nanotechnology, Spectroscopy, Wavelength Demultiplexer, Georgia Tech, Georgia Institute Of Technology, Photonic Crystals

Optical Breakthrough Makes "Lab-on-a-Chip" Possible

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Georgia Tech researchers have found a way to shrink all the sensing power of sophisticated biosensors "” such as sensors that can detect trace amounts of a chemical in a water supply or a substance in your blood "” onto a single microchip.

Science

Channels:

Nanotechnology, Microlenses, Hydrogels, Optical Imaging, Medical Diagnostics, Microfluids

Autonomous Lenses May Bring Microworld Into Focus

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When Hongrui Jiang looked into a fly's eye, he saw a way to make a tiny lens so "smart" that it can adapt its focal length from minus infinity to plus infinity-without external control. Incorporating hydrogels that respond to physical, chemical or biological stimuli and actuate lens function, these liquid microlenses could advance lab-on-a-chip technologies, optical imaging, medical diagnostics and bio-optical microfluidic systems.

Science

Channels:

Nanotechnology, Carbon, Nanotubes, Nanoelectronics

Engineers Lay Groundwork for 'Vertically Oriented Nanoelectronics'

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Engineers at Purdue University have developed a technique to grow individual carbon nanotubes vertically on top of a silicon wafer, a step toward making advanced electronics, wireless devices and sensors using nanotubes by stacking circuits and components in layers.







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