Oxygen is essential for life and a reactive player in many chemical processes. Accordingly, methods that accurately measure oxygen are relevant for numerous industrial and medical applications ...

It confirmed he had not used mechanical ventilation for help with breathing at night since Monday, but was rather receiving oxygen via a small hose under his nose for much of the time. There is ...

ETH chemists have developed a tiny, high-performance oxygen sensor that fulfils a wide range of performance criteria. The main innovation is that the sensor works in a similar way to the light ...