A research team reports in the journal Angewandte Chemie that gamma radiation can transform methane into a diverse range of products at room temperature, including hydrocarbons, oxygenated molecules, and amino acids. This reaction likely plays a significant role in the formation of complex organic molecules in the universe—and may even contribute to the origins of life. Additionally, it presents new opportunities for industrially converting methane into high-value products under mild conditions.
With these research results, the team led by Weixin Huang at the University of Science and Technology of China (Hefei) has contributed to our fundamental understanding of the early development of molecules in the universe.
“Gamma rays, high-energy photons commonly existing in cosmic rays and unstable isotope decay, provide external energy to drive chemical reactions of simple molecules in the icy mantles of interstellar dust and ice grains,” states Huang. “This can result in more complex organic molecules, presumably starting from methane (CH4), which is widely present throughout the interstellar medium.”
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