Skin-like sensor maps blood-oxygen levels -- MEDICA - World Forum for Medicine

Skin-like sensor maps blood-oxygen levels

11/08/2018

Image: A sensor which illuminates an armwrist with red light ; Copyright: Yasser Khan, Arias Research Group, UC Berkeley

A new sensor made of an alternating array of printed light-emitting diodes and photodetectors can detect blood-oxygen levels anywhere in the body. The sensor shines red and infrared light into the skin and detects the ratio of light that is reflected back.