Our finding answers one big question: did life come first or atmospheric oxygen? It is the latter,” said Professor Uwe Brand. In 2016, a team led by Dr. Nigel Blamey of Brock University cracked open ...

The correlation of the peroxyl radical peak intensities to the concentration of O 2 provides a tool to estimate trace amounts of O 2 within the instrument. In the NIST 2023 tandem mass spectral ...