The search for chiral asymmetry as a potential biosignature in our solar system
The search for evidence of extraterrestrial life in our Solar System is currently guided by our
understanding of terrestrial biology and its associated biosignatures. The observed …
understanding of terrestrial biology and its associated biosignatures. The observed …
Prebiotic astrochemistry and the formation of molecules of astrobiological interest in interstellar clouds and protostellar disks
Despite the generally hostile nature of the environments involved, chemistry does occur in
space. Molecules are seen in environments that span a wide range of physical and chemical …
space. Molecules are seen in environments that span a wide range of physical and chemical …
Rapid electron transfer by the carbon matrix in natural pyrogenic carbon
T Sun, BDA Levin, JJL Guzman, A Enders… - Nature …, 2017 - nature.com
Surface functional groups constitute major electroactive components in pyrogenic carbon.
However, the electrochemical properties of pyrogenic carbon matrices and the kinetic …
However, the electrochemical properties of pyrogenic carbon matrices and the kinetic …
Macromolecular organic compounds from the depths of Enceladus
Saturn's moon Enceladus harbours a global water ocean 1, which lies under an ice crust
and above a rocky core 2. Through warm cracks in the crust 3 a cryo-volcanic plume ejects …
and above a rocky core 2. Through warm cracks in the crust 3 a cryo-volcanic plume ejects …
Extraterrestrial ribose and other sugars in primitive meteorites
Y Furukawa, Y Chikaraishi… - Proceedings of the …, 2019 - National Acad Sciences
Sugars are essential molecules for all terrestrial biota working in many biological processes.
Ribose is particularly essential as a building block of RNA, which could have both stored …
Ribose is particularly essential as a building block of RNA, which could have both stored …
The pH of Enceladus' ocean
CR Glein, JA Baross, JH Waite Jr - Geochimica et Cosmochimica Acta, 2015 - Elsevier
Saturn's moon, Enceladus, is a geologically active waterworld. The prevailing paradigm is
that there is a subsurface ocean that erupts to the surface, which leads to the formation of a …
that there is a subsurface ocean that erupts to the surface, which leads to the formation of a …
The nature, origin and modification of insoluble organic matter in chondrites, the major source of Earth's C and N
All chondrites accreted∼ 3.5 wt.% C in their matrices, the bulk of which was in a
macromolecular solvent and acid insoluble organic material (IOM). Similar material to IOM is …
macromolecular solvent and acid insoluble organic material (IOM). Similar material to IOM is …
Mixed aromatic–aliphatic organic nanoparticles as carriers of unidentified infrared emission features
S Kwok, Y Zhang - Nature, 2011 - nature.com
Unidentified infrared emission bands at wavelengths of 3–20 micrometres are widely
observed in a range of environments in our Galaxy and in others. Some features have been …
observed in a range of environments in our Galaxy and in others. Some features have been …
[HTML][HTML] A new family of extraterrestrial amino acids in the Murchison meteorite
The occurrence of extraterrestrial organic compounds is a key for understanding prebiotic
organic synthesis in the universe. In particular, amino acids have been studied in …
organic synthesis in the universe. In particular, amino acids have been studied in …
Advanced solid-state NMR spectroscopy of natural organic matter
Solid-state NMR is essential for the characterization of natural organic matter (NOM) and is
gaining importance in geosciences and environmental sciences. This review is intended to …
gaining importance in geosciences and environmental sciences. This review is intended to …