Supernovae, Neutrinos and the Chirality of Amino Acids
2011

Supernovae and the Chirality of Amino Acids

publication Evidence: moderate

Author Information

Author(s): Boyd Richard N., Kajino Toshitaka, Onaka Takashi

Primary Institution: Lawrence Livermore National Laboratory

Hypothesis

Can neutrinos from core-collapse supernovae create an enantioenrichment in amino acids?

Conclusion

The study suggests that supernovae may play a significant role in establishing the chirality of amino acids in the galaxy.

Supporting Evidence

  • Left-handed amino acids dominate on Earth and possibly beyond.
  • Neutrinos from supernovae may selectively process amino acids.
  • Galactic mixing could spread the chirality established by supernovae.

Takeaway

This study looks at how supernovae might help create left-handed amino acids, which are important for life, by using neutrinos to influence the molecules.

Methodology

The study proposes a mechanism involving neutrinos and the weak interaction to selectively destroy one chiral form of amino acids.

Limitations

The model does not account for all possible interactions and conditions that could affect chirality.

Digital Object Identifier (DOI)

10.3390/ijms12063432

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