How to identify cell material in a single ice grain emitted from Enceladus or Europa

F Klenner, J Bönigk, M Napoleoni, J Hillier… - Science …, 2024 - science.org
Icy moons like Enceladus, and perhaps Europa, emit material sourced from their subsurface
oceans into space via plumes of ice grains and gas. Both moons are prime targets for …

Mass spectrometric fingerprints of organic compounds in NaCl-rich ice grains from Europa and Enceladus

M Napoleoni, F Klenner, N Khawaja… - ACS Earth and Space …, 2023 - ACS Publications
Europa and Enceladus, respective moons of Jupiter and Saturn, are prime targets in the
exploration of potentially habitable extraterrestrial ocean worlds. Organic material could be …

Mass spectrometric fingerprints of organic compounds in sulfate-rich ice grains: Implications for Europa Clipper

M Napoleoni, F Klenner, L Hortal Sánchez… - ACS Earth and Space …, 2023 - ACS Publications
The surface ice of Europa is known to contain high proportions of inorganic material that
could heavily influence the compositional analysis of organic compounds in ejecta ice …

Discriminating aromatic parent compounds and their derivative isomers in ice grains from Enceladus and Europa using a laboratory analogue for spaceborne mass …

N Khawaja, TR O'Sullivan, F Klenner… - Earth and Space …, 2023 - Wiley Online Library
Abstract Results from the Cassini‐Huygens space mission at Enceladus revealed a
substantial inventory of organic species embedded in plume and E ring ice grains …

Icy ocean worlds-astrobiology research in Germany

F Klenner, M Baqué, K Beblo-Vranesevic… - Frontiers in Astronomy …, 2024 - frontiersin.org
Icy bodies with subsurface oceans are a prime target for astrobiology investigations, with an
increasing number of scientists participating in the planning, development, and realization of …

Impact Ionization Mass Spectra of Polypyrrole-Coated Anthracene Microparticles: A Useful Mimic for Cosmic Polycyclic Aromatic Hydrocarbon Dust

R Mikula, Z Sternovsky, SP Armes, E Ayari… - ACS Earth and Space …, 2024 - ACS Publications
Polycyclic aromatic hydrocarbons (PAHs) are abundantly present in the interstellar medium
and in our solar system and lock up a significant fraction of cosmic carbon. They are found to …

Probing the Oxidation State of Ocean Worlds with SUDA: Fe (II) and Fe (III) in Ice Grains

M Napoleoni, LH Sánchez, N Khawaja… - The Planetary …, 2024 - iopscience.iop.org
Characterizing the geochemistry of Europa and Enceladus is a key step for astrobiology
investigations looking for evidence of life in their subsurface oceans. Transition metals with …

Izy Ozeanwelten-Astrobiologieforschung in Deutschland

F Klenner, M Baqué… - … in Astronomy and …, 2024 - gfzpublic.gfz-potsdam.de
Icy bodies with subsurface oceans are a prime target for astrobiology investigations, with an
increasing number of scientists participating in the planning, development, and realization of …