Microneedle Patch Monitors Blood Painlessly

Jul-25-16 A microneedle patch able to painlessly monitor drugs in the bloodstream could eliminate the need for invasive blood draws.

Developed by a team from the University of British Columbia (UBC) and the Paul Scherrer Institute (PSI) in Switzerland, the patch is meant to be placed on the patient’s skin, where its tiny needle will pierce the top level of the skin to sample the interstitial fluid. The fluid is collected in a small reservoir in the needle, where micro-optical fibers detect changes in color caused by the drugs binding with the clear liquid in the reservoir.

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[GIZMAG.COM]
[NEWS.UBC.CA]

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