Science news articles about 'isotope fractionation'

... suite of microorganisms should be investigated, at this time, it appears that nickel isotopic fractionation produced by microorganisms in general will not be as significant as the fractionation ...

... ," Blum said. The fingerprinting technique relies on a natural phenomenon called isotopic fractionation, in which different isotopes (atoms with different numbers of neutrons) of mercury react to ...

... an early, oxygen-rich atmosphere. "The significance of this finding is that an abnormal isotope fractionation (of sulfur) may not be linked to the atmosphere at all," says Yumiko Watanabe, research ...

... for ocean chemistry and biology, and the loss of atmospheric mass-independent sulfur isotope fractionation. In phase with sulfur is the earliest recorded positive carbon isotope anomaly, convincingly ...