The role of point defect reconstructions and polycyclic aromatic hydrocarbons in silicate dust preservation

D Campisi, AGGM Tielens… - Monthly Notices of the …, 2024 - academic.oup.com
Forsterite is a primary constituent of interstellar dust and planetary systems. It is believed to
originate from the outflows of oxygen-rich stars and undergo further processing within the …

[HTML][HTML] Sepiolite promotes photodegradation of pyrene under visible light

G Marcelo, P Rodríguez-Pascual, B Batanero… - Ecotoxicology and …, 2023 - Elsevier
Mechanochemistry and photocatalysis are emergent technologies for the remediation of
polycyclic aromatic hydrocarbons (PAHs) in soils. In this work, mechanochemistry and …

Discriminating between extinct and extant life detection: implications for future Mars missions

KA Dzurilla, BL Teece - Frontiers in Astronomy and Space Sciences, 2024 - frontiersin.org
The search for biosignatures on Mars has been a high priority for astrobiology. The
approach to detecting putative biosignatures has largely been focused on chemical …

Eclipsed and Twisted Excimers of Pyrene and 2-Azapyrene: How Nitrogen Substitution Impacts Excimer Emission

Y Dai, F Rambaldi, F Negri - Molecules, 2024 - mdpi.com
Due to their unique photophysical and electronic properties, pyrene and its analogues have
been the subject of extensive research in recent decades. The propensity of pyrene and its …

[HTML][HTML] Experimental simulations of cosmic impacts on rubrene nanoparticles in the water environment reveal the potentiality of condensed phases of polycyclic …

M Murri, A Bossi, T Recca, M Campione - Icarus, 2023 - Elsevier
Organic compounds, such as the polycyclic aromatic hydrocarbons (PAHs), are among the
major species responsible for the infrared spectral features characterising the cosmic …

Investigating the stability of aromatic carboxylic acids in hydrated magnesium sulfate under UV irradiation to assist detection of organics on Mars

A Alberini, T Fornaro, C García-Florentino… - Scientific Reports, 2024 - nature.com
Abstract The Scanning Habitable Environments with Raman and Luminescence for
Organics and Chemicals (SHERLOC) instrument onboard the Mars 2020 Perseverance …

[PDF][PDF] Crimson Publishers

OV Gradov - 2024 - researchgate.net
This Letter emphasizes the interconnection between terrestrial and extraterrestrial
petroleomics and highlights the potential for using advanced analytical techniques to …

Exploration of extraterrestrial body impact and UV-driven transformation of atmospheres of terrestrial planets

A Knížek - 2023 - dspace.cuni.cz
Keywords: Exoplanets, Earth, Impact, Photochemistry, Infrared Spectroscopy, Atmospheric
chemistry Impacts and photochemistry are two very important driving forces for chemical …

[PDF][PDF] Photochemical Stability of Organic Compounds in Mineral Matrices and Metal Oxide Surfaces in Space: In-situ Spectroscopy on the International Space Station …

S Wipf, R Nitsche, Z Sultana… - European …, 2024 - meetingorganizer.copernicus.org
In the search for organic compounds associated with the origin and self-preservation of
lifeforms in our solar system, inorganic materials are widely recognized as an important …