Tuesday, 23 August 2016

Microneedle can monitor drugs in bloodstream without pain or blood draws

Researchers at the University of British Columbia and Switzerland’s Paul Scherrer Institut have come up with a microneedle that can painlessly measure drugs in a patient’s bloodstream without requiring expensive and invasive blood draws.

The device is a small, thin patch that is pressed against a patient’s arm during medical treatment. Its minute, needle-like projection measures less than half a millimeter long and doesn’t penetrate the skin like a standard hypodermic needle.

The microneedle is designed to puncture the outer layer of skin, but not the next layers of epidermis and the dermis, which house nerves, blood vessels and active immune cells.


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