Painless microneedles extract fluid for wearable sensors for soldiers, athletes

ALBUQUERQUE, N.M. — The lab is calm and quiet, clean and well organized; boxes of tiny needles and sample tubes are neatly stacked above a pristine paper-covered countertop.

This is a far cry from the hectic emergency room, dusty battlefield or sweaty training center Sandia National Laboratories and University of New Mexico researchers hope will soon host their microneedle-based sensors.
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