STAT November 19, 2021
A team of researchers has designed a wearable sensor that, in preliminary testing, identified infections in open wounds before they looked any different than uninfected wounds. Their sensor, which combines principles from biology, materials science, and electrical engineering, may one day be a low-cost, time-saving alternative to existing diagnostic tools.
Many wearables on the market today, like the Apple Watch or Fitbit, use optical sensors to measure a person’s heart rate and blood oxygen levels. This wearable wouldn’t be worn on the wrist or hand — instead, researchers in Singapore have developed a hydrogel and electronic sensor the length of a human finger that attaches directly to an open wound.
The device senses infection at its source by exploiting a...
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