Naturally occurring hydrocarbon fluids in sedimentary basins have economic, geological
and environmental significance. Connecting sedimentary basin temperature-time evolution …

Deep-sea hydrothermal fluids are often enriched in carbon dioxide, methane, and hydrogen.
Methane effuses from metal-rich black smokers such as the Rainbow hydrothermal field, at …

Methane is produced and consumed via numerous microbial and chemical reactions in
atmospheric, hydrothermal, and magmatic reactions. The stable isotopic composition of …

The stable isotopic composition of methane (CH 4) is commonly used to fingerprint natural
gas origins. Over the past 50 years, there have been numerous proposals that both …

The hydrogen isotopic composition of methane (CH 4) is used as a fingerprint of gas origins.
Exchange of hydrogen isotopes between CH 4 and liquid water has been proposed to occur …

Clumped-isotope analysis provides new constraints on the formation and evolution of
methane. High-resolution isotope-ratio mass spectrometry (HR-IRMS) is a sensitive, precise …

Aerobic oxidation of methane (MOx) is an important biologically mediated process that
consumes methane in a wide range of environments. Here we report results of culture …

Mid-infrared laser absorption spectroscopy enables rapid and nondestructive analysis of
methane clumped isotopes. However, current analytical methods require a sample size of …

Ru-based catalysis results in highly unsaturated fatty acid (HUFA) ethyl esters (EE)
deuterated to various extents. The products carry 2H (D) mainly at their bis-allylic positions …

Methane stored in marine sediments can form by microbial and thermal decomposition of
organic matter. Identifying the source of methane allows us to assess the potential of natural …