Ammonium salts are a reservoir of nitrogen on a cometary nucleus and possibly on some asteroids
INTRODUCTION Comets and asteroids preserve information on the earliest stages of Solar
System formation and on the composition of its building blocks. The nature of their solid …
System formation and on the composition of its building blocks. The nature of their solid …
Thermal Synthesis of Carbamic Acid and Its Dimer in Interstellar Ices: A Reservoir of Interstellar Amino Acids
JH Marks, J Wang, BJ Sun, M McAnally… - ACS central …, 2023 - ACS Publications
Reactions in interstellar ices are shown to be capable of producing key prebiotic molecules
without energetic radiation that are necessary for the origins of life. When present in …
without energetic radiation that are necessary for the origins of life. When present in …
Aldehydes and sugars from evolved precometary ice analogs: Importance of ices in astrochemical and prebiotic evolution
P de Marcellus, C Meinert… - Proceedings of the …, 2015 - National Acad Sciences
Evolved interstellar ices observed in dense protostellar molecular clouds may arguably be
considered as part of precometary materials that will later fall on primitive telluric planets …
considered as part of precometary materials that will later fall on primitive telluric planets …
Thermal reactions in interstellar ice: A step towards molecular complexity in the interstellar medium
Complex organic molecules are widely observed in star-forming regions, although their
formation mechanisms are not well understood. Solid-state chemistry is thought to play an …
formation mechanisms are not well understood. Solid-state chemistry is thought to play an …
Characterization of laboratory analogs of interstellar/cometary organic residues using very high resolution mass spectrometry
G Danger, FR Orthous-Daunay, P De Marcellus… - … et Cosmochimica Acta, 2013 - Elsevier
Studying the chemical composition of organic matter in astrophysical environments is an
important means to improve our understanding of its origin and evolution. This organic …
important means to improve our understanding of its origin and evolution. This organic …
Evolution of interstellar organic compounds under asteroidal hydrothermal conditions
Carbonaceous chondrites (CC) contain a diversity of organic compounds. No definitive
evidence for a genetic relationship between these complex organic molecules and the …
evidence for a genetic relationship between these complex organic molecules and the …
[HTML][HTML] Proton-conducting biopolymer electrolytes based on carboxymethyl cellulose doped with ammonium formate
MIH Sohaimy, MIN Isa - Polymers, 2022 - mdpi.com
In this work, CMC-AFT biopolymer electrolytes system was developed using Carboxymethyl
cellulose (CMC) doped with varied amount (10–50 wt.%) of ammonium formate (AFT) in …
cellulose (CMC) doped with varied amount (10–50 wt.%) of ammonium formate (AFT) in …
Effect of substrate surface treatment on the hydrothermal synthesis of zinc oxide nanostructures
G Ahmadpour, MR Nilforoushan, BS Boroujeny… - Ceramics …, 2022 - Elsevier
In this investigation, ZnO nanostructures were coated via hydrothermal process on glass
substrate surfaces, which were treated by acidic and alkaline solutions. Furthermore, the …
substrate surfaces, which were treated by acidic and alkaline solutions. Furthermore, the …
Influence of phyllosilicates on the hydrothermal alteration of organic matter in asteroids: Experimental perspectives
V Vinogradoff, C Le Guillou, S Bernard… - … et Cosmochimica Acta, 2020 - Elsevier
The origin of the diverse organic compounds present in carbonaceous chondrites (CC)
remains uncertain. We aim at investigating the role that hydrothermal alteration may have …
remains uncertain. We aim at investigating the role that hydrothermal alteration may have …
Hydrogenation at low temperatures does not always lead to saturation: the case of HNCO
Context. It is generally agreed that hydrogenation reactions dominate chemistry on grain
surfaces in cold, dense molecular cores, saturating the molecules present in ice mantles …
surfaces in cold, dense molecular cores, saturating the molecules present in ice mantles …