Oxygen quantification in trace amounts is essential in many fields of science and technology. Optical oxygen sensors proved invaluable tools for oxygen measurements in a broad concentration range, but ...

Researchers in the US have designed a completely implantable, wireless, battery-free oxygen sensor to monitor tissue oxygen levels when implanted subdermally or even in deep brain regions. With these ...

The blood oxygen sensor featured in Apple Watch Series 6 and 7 is “not intended for medical use,” Apple says. That seems odd, considering that low blood oxygen is a serious medical condition. If the ...