(Funded by the U.S. Department of Defense, the U.S. National science Foundation and the National Institutes of Health)
In 2023, researchers at Caltech developed a smart bandage that can provide real-time data about chronic wounds and accelerate the healing process by applying medication or electrical fields to stimulate tissue growth. Now, the researchers have shown that an improved version of their bandage can continually sample fluid, which the body sends to wound sites as part of the inflammatory response. The bandage is composed of a flexible, biocompatible polymer strip that integrates a nanoengineered biomarker sensor array, which is disposable for hygiene and single-use applications. The system also includes a reusable printed circuit board that handles signal processing and wireless data transmission to a user interface, such as a smartphone.
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