A flexible sensor developed by University of California Berkeley can map blood-oxygen levels over large areas of skin, tissue and organs. It is an array of alternating red and near-infrared organic LEDs and organic photodiodes printed on a flexible material. “When you hear the word oximeter, finger-clip sensors come into your mind,” said Berkely engineer ...
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from Electronics Weekly https://www.electronicsweekly.com/news/research-news/flexible-oled-array-detects-blood-oxygen-2018-11/
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