Manchester scientists have developed a tiny molecular machine that mirrors the function of the ribosome, which builds the proteins in our body's cells.
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The ultimate goal is to synthesize new drug molecules or new types of plastic.
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Longevity science
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Live longer in good health and you will have a chance to extend your healthy life even further
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Johns Hopkins tissue engineers have used nanoscale artificial fiber scaffolds to help coax stem cells into developing into cartilage (the shock-absorbing lining of elbows and knees that often wears thin from injury or age) in both laboratory and animal models.
While the findings are still years away from use in people, the researchers say the results hold promise for devising new techniques to help the millions who endure joint pain. 
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"Researchers at Harvard-affiliated McLean Hospital have developed a new category of non-toxic, protein-based green nanoparticles that can non-invasively cross the blood brain barrier and transport various types of drugs."
The particles "crossed and/or bypassed the blood-brain barrier without enhancers or modifications, unlike other nanoparticles. These findings open the door to exploring..."
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Newly-developed nanoparticles are able to emit light through up to three centimeters of biological tissue.
Scientists have developed photoluminescent nanoparticles that are able to shine through over three centimeters (1.2 inches) of biological tissue. If attached to anomalies deep beneath the skin, the nanoparticles could allow those anomalies to be seen more clearly from the outside.
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Researchers have now reported that the use of quantum dots - tiny luminescent crystals that can be used to monitor disease at a cellular level - appears to be safe in primates over a one-year period.
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Nanotechnology is part of Bridge 3, which is the final bridge to radical life extension.