This Contact Lens Could Someday Measure Blood Glucose and Other Signs of Disease

“Gregory S. Herman, Ph.D., a chemical engineering professor from Orgeon State University, recently shared his work on bio-sensing contact lenses to better monitor blood glucose levels in the future at the American Chemical Society (ACS) national meeting. Herman’s research supported how transparent biosensors embedded into contact lenses could be a more efficient way for people to consistently monitor their blood glucose levels. Herman and his team successfully tested this idea by fabricating a biosensor that had a transparent sheet of indium gallium zinc oxide (or IGZO, a semiconductor found in electronics), field-effect transistors, and glucose oxidase, an enzyme that breaks down glucose. In the future, Herman believes over 2,000 transparent biosensors could be embedded in a 1-millimeter square patch of an IGZO contact lens…”

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