Modification of ices by cosmic rays and solar wind

H Rothard, A Domaracka, P Boduch… - Journal of Physics B …, 2017 - iopscience.iop.org
Astrophysical ices are exposed to different radiation fields including photons, electrons and
ions. The latter stem from interstellar cosmic rays (CR), the solar and stellar winds, shock …

Seeds of life in space (SOLIS): the organic composition diversity at 300–1000 au scale in solar-type star-forming regions

C Ceccarelli, P Caselli, F Fontani, R Neri… - The Astrophysical …, 2017 - iopscience.iop.org
Complex organic molecules have been observed for decades in the interstellar medium.
Some of them might be considered as small bricks of the macromolecules at the base of …

The ALMA-PILS survey: First detections of deuterated formamide and deuterated isocyanic acid in the interstellar medium

A Coutens, JK Jørgensen, MHD Van der Wiel… - Astronomy & …, 2016 - aanda.org
Formamide (NH 2 CHO) has previously been detected in several star-forming regions and is
thought to be a precursor for different prebiotic molecules. Its formation mechanism is still …

Seeds of Life in Space (SOLIS)-II. Formamide in protostellar shocks: Evidence for gas-phase formation

C Codella, C Ceccarelli, P Caselli, N Balucani… - Astronomy & …, 2017 - aanda.org
Context. Modern versions of the Miller-Urey experiment claim that formamide (NH 2 CHO)
could be the starting point for the formation of metabolic and genetic macromolecules …

Can formamide be formed on interstellar ice? An atomistic perspective

A Rimola, D Skouteris, N Balucani… - ACS Earth and Space …, 2018 - ACS Publications
Interstellar formamide (NH2CHO) has recently attracted significant attention due to its
potential role as a molecular building block in the formation of precursor biomolecules …

Interstellar Formamide (NH2CHO), a Key Prebiotic Precursor

A López-Sepulcre, N Balucani… - ACS Earth and Space …, 2019 - ACS Publications
Formamide (NH2CHO) has been identified as a potential precursor of a wide variety of
organic compounds essential to life, and many biochemical studies propose it likely played …

Hydrogen Abstraction/Addition Tunneling Reactions Elucidate the Interstellar H2NCHO/HNCO Ratio and H2 Formation

KA Haupa, G Tarczay, YP Lee - Journal of the American Chemical …, 2019 - ACS Publications
Formamide (H2NCHO) is the smallest molecule possessing the biologically important amide
bond. Recent interstellar observations have shown a strong correlation between the …

New quantum chemical computations of formamide deuteration support gas-phase formation of this prebiotic molecule

D Skouteris, F Vazart, C Ceccarelli… - Monthly Notices of …, 2017 - academic.oup.com
Based on recent work, formamide might be a potentially very important molecule in the
emergence of terrestrial life. Although detected in the interstellar medium for decades, its …

Astrochemical pathways to complex organic and prebiotic molecules: Experimental perspectives for in situ solid-state studies

D Fulvio, A Potapov, J He, T Henning - Life, 2021 - mdpi.com
A deep understanding of the origin of life requires the physical, chemical, and biological
study of prebiotic systems and the comprehension of the mechanisms underlying their …

The formation of peptide-like molecules on interstellar dust grains

NFW Ligterink… - Monthly Notices of …, 2018 - academic.oup.com
Molecules with an amide functional group resemble peptide bonds, the molecular bridges
that connect amino acids, and may thus be relevant in processes that lead to the formation of …