Futurity October 19, 2021
A new wearable, noninvasive monitoring device prototype monitors glucose in sweat—no needles necessary.
Noninvasive glucose monitoring devices are not currently commercially available in the United States, so people with diabetes must collect blood samples or use sensors embedded under the skin to measure their blood sugar levels.
Now, with the new wearable device, less intrusive glucose monitoring could become the norm.
The researchers constructed the device first with laser-induced graphene (LIG), a material consisting of atom-thick carbon layers in various shapes. With high electrical conductivity and a convenient fabrication time of just seconds, LIG appeared to be an ideal framework for the sensing device—but there was a significant caveat.
“The challenge here is that LIG is not sensitive to glucose...
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