Microneedles Could Replace Syringe

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Side view of PVP polymer microneedles with sulforhodamine encapsulated within microneedles. Each microneedle measures 750 m in height 250 m in base diameter and 5 m in tip radius. Credit: Advanced Materials 2008.
Side view of PVP polymer microneedles with sulforhodamine encapsulated within microneedles. Each microneedle measures 750 µm in height, 250 µm in base diameter, and 5 µm in tip radius. Credit: Advanced Materials, 2008.

The common needle phobia and painful injections could soon be a thing of the past, thanks to a revolutionary new drug-delivery technique developed by a team at the Georgia Institute of Technology, US. The long-practiced method of drug administration has up to now involved the use of hypodermic needles but they have many drawbacks, including pain, risk of infection, and the need for trained staff to perform the injection.


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