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New material puts its own spin on electronics

Researchers have developed a novel magnetic semiconductor that may greatly increase the computing power and flexibility of future electronic devices while dramatically reducing their power consumption.

Posted: May 24th, 2006

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Microfluidics device tracks breast cancer cell movements

Malignant cells are notorious for their ability to break away from a tumor, migrate to other seemingly targeted locations in the body, and establish new tumors, called metastases. The biochemical signals that guide tumor cell migration are poorly understood, but efforts to find those signals should receive a boost thanks to a new microfluidics device designed specifically to track how breast cancer cells move in response to chemical signals.

Posted: May 22nd, 2006

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Quantum dots studied as intracellular monitors, possible therapeutic agents

One of the unique features of nanoscale materials is that they are often of the same size as most biomolecules, and thus can be used to study intracellular biochemistry without themselves having much of an impact on normal cellular function. Now, an international team led by investigators at McGill University has taken advantage of the small size of quantum dots to create a nanoscale device that can report on the oxidative conditions within a cell.

Posted: May 22nd, 2006

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New approaches target nanoparticles to cancer cells

One of the major goals of cancer nanotechnology research is to develop nanoparticles that deliver cancer imaging agents and anticancer drugs specifically to tumors. Two new reports highlight new approaches to creating targeted nanoscale devices for diagnostic and therapeutic applications in cancer.

Posted: May 22nd, 2006

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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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