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Casting light on the nano world

Microscopes with 4Pi and STED technology produce images of unprecedented clarity, attaining a resolution up to ten times higher than that of the best light-optical microscopes.

Posted: May 18th, 2006

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Just one nanosecond: Clocking events at the nanoscale

As scientists and engineers build devices at smaller and smaller scales, grasping the dynamics of how materials behave when they are subjected to electrical signals, sound and other manipulations has proven to be beyond the reach of standard scientific techniques.

Posted: May 18th, 2006

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New designs for ultra fast nano-oscillators

Even the smallest devices, assembled at the molecular level, need motors and oscillators. UC Riverside researchers think bundling groups of carbon nanotubes together could make an ultra-efficient and accurate nano-oscillator.

Posted: May 16th, 2006

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Multifunctional gold nanoparticles show promise in combination therapy

Gold nanoparticles, which can turn light into intense heat, are showing significant promise as targeted nanoscale thermal scalpels capable of killing cancer cells without damaging healthy tissue. Two new reports now suggest that gold nanoparticles may also be able to deliver additional therapeutic payloads to provide a simultaneous two-pronged attack on malignant cells.

Posted: May 15th, 2006

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Buckyballs make room for gilded cages

Scientists have uncovered a class of gold atom clusters that are the first known metallic hollow equivalents of the famous hollow carbon fullerenes known as buckyballs.

Posted: May 15th, 2006

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Smell of success for nanobiosensors

Modern-day doctors may soon start using smell to detect the early warning signs of different illnesses thanks to technology that replicates - and improves upon - the human olfactory system thanks to tiny bioelectronic sensors.

Posted: May 15th, 2006

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Organizing dumbbells for nanotechnology devices

Researchers have devised a method that could allow them to organize tiny molecular machines on a surface and so build devices that pack in thousands of times as many switching units, for instance, than is possible with a conventional silicon chip.

Posted: May 12th, 2006

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Biological motors sort molecules one by one on a chip

Researchers from the Delft University of Technology Kavli Institute of Nanoscience have discovered how to use the motors of biological cells in extremely small channels on a chip. Based on this, they built a transport system that uses electrical charges to direct the molecules individually.

Posted: May 11th, 2006

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Corking nano test tubes

Scientists have found a way to cork nanoscale test tubes. The goal is a better way to deliver drugs, for example, for cancer treatment. Scientists want to fill the teeny tubes with drugs and inject them into the body, where they will seek diseased or cancerous cells, uncork and spill their therapeutic contents in the right place.

Posted: May 10th, 2006

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