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Wearable Skin Patch Monitors Hemoglobin in Deep Tissues

The new, flexible, low form-factor wearable patch comfortably attaches to the skin, allowing for noninvasive long-term monitoring.
The new, flexible, low form-factor wearable patch comfortably attaches to the skin, allowing for noninvasive long-term monitoring. Photo by Xiaoxiang Gao for the Jacobs School of Engineering at UC San Diego.

A photoacoustic sensor could help clinicians diagnose tumors, organ malfunction and more. A team of engineers at the University of California San Diego has developed an electronic patch that can monitor biomolecules in deep tissues, including hemoglobin. This gives medical professionals unprecedented access to crucial information that could help spot life-threatening conditions such as malignant tumors, organ dysfunction, cerebral or gut hemorrhages and more.

“The amount and location of hemoglobin in the body provide critical information about blood perfusion or accumulation in ...

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