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thinkahol *

Nanoscale Probes Measure Signals Inside Cells | KurzweilAI - 0 views

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    Chemists and engineers at Harvard University have fashioned nanowires into a new type of V-shaped transistor small enough to be used for sensitive probing
Barry mahfood

THE PRICE OF RICE - Transcendence in Bite-Sized Bits: Peering into the Human Brain: Nan... - 0 views

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    It is believed that supercomputers will achieve the computational power of human brains by about 2020, personal computers just a few years later, so figuring out the details of the brain's structure and functioning needs to keep pace. A major challenge in this has been the limits of MRI resolution, which is why the news of a major breakthrough has such significance.
Erich Feldmeier

Kritika Moha, Gregory Weiss: Inexpensive, accurate way to detect prostate cancer: At-ho... - 0 views

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    "The same technology could potentially be used for bladder and multiple myeloma cancers, which also shed identifiable markers in urine. "Our goal is a device the size of a home pregnancy test priced around $10. Other prostate cancer tests coming to market cost up to $4,000 each. The UC Irvine team made price a key design factor of their work..The UC Irvine team developed a new type of sensor: They added nanoscale protein receptors to tiny, pencil-like viruses called phages that live only within bacteria. Double wrapping the phages with additional receptors greatly increases the capture and transmission of cancer molecule signals."
Infogreen Global

Researchers study quantum dots to increase the amount of electricity solar panels produce - 0 views

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    Quantum dots are man-made atoms that confine electrons to a small space. They have atomic-like behavior that results in unusual electronic properties on a nanoscale. These unique properties may be particularly valuable in tailoring the way light interacts with matter.
thinkahol *

Push-Button Logic on the Nanoscale - 0 views

Barry mahfood

Nanomedicine: Drug Delivery & Diagnostics Get a Boost - 0 views

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    Nanotech is the key to some new methods of precision drug-delivery and diagnostics. Two spinoff companies in Austalia have announced some new products under development promise "to provide better health outcomes with reduced costs to the community." The specific projects currently in the pipeline at Interstitial NS are nanostructured medicines for diabetes and asthma whose nanoscale manufacture makes possible otherwise impractical delivery methods.
Skeptical Debunker

Sensitive nano oscillator can detect pathogens - 0 views

  • The researchers, led by professor of applied and engineering physics Harold Craighead, made a device just 200 nanometers thick and a few microns long with an oscillating cantilever hanging off one end. (A nanometer is one-billionth of a meter; a micron is one-millionth of a meter.) They identified exactly how to tune its sensitivity -- a breakthrough that could lead to advanced sensing technologies. The experiments detailed online Feb. 8 in Journal of Applied Physics show how these oscillators, which are nanoelectromechanical systems (NEMS), could one day be made into everyday devices by lining up millions of them and treating each cantilever with a certain molecule. "The big purpose is to be able to drive arrays of these things all in direct synchrony," said first author Rob Ilic, a research associate at the Cornell NanoScale Science and Technology Facility. "They can be functionalized with different chemistries and biomolecules to detect various pathogens -- not just one thing."
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    By watching how energy moves across a tiny device akin to a springing diving board, Cornell researchers are a step closer to creating extraordinarily tiny sensors that can instantly recognize harmful substances in air or water.
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