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Georgia Institute of Technology researchers are working on fabrication techniques for microneedles that can painlessly deliver drugs, proteins and nanoparticles through human skin.
Their work includes hollow and solid needles made from metals, biodegradable polymers, silicon and glass produced using microelectronics-based fabrication techniques.
As microneedles are too small to stimulate nerve endings, they are less painful than conventional hypodermic needles.
Posted 1st February 2004
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