Exploiting Photoionization Reflectron Time-of-Flight Mass Spectrometry to Explore Molecular Mass Growth Processes to Complex Organic Molecules in Interstellar and Solar System Ice Analogs.
Sign Up to like & getrecommendations! Published in 2020 at "Accounts of chemical research"
DOI: 10.1021/acs.accounts.0c00584
Abstract: ConspectusThis Account presents recent advances in our understanding on the formation pathways of complex organic molecules (COMs) within interstellar analog ices on ice-coated interstellar nanoparticles upon interaction with ionizing radiation exploiting reflectron time-of-flight mass spectrometry… read more here.
Keywords: carbon; mass; time flight; organic molecules ... See more keywords
Shifting computational boundaries for complex organic materials
Sign Up to like & getrecommendations! Published in 2021 at "Nature Physics"
DOI: 10.1038/s41567-020-01135-6
Abstract: Methodology adapted from data science sparked the field of materials informatics, and materials databases are at the heart of it. Applying artificial intelligence to these databases will allow the prediction of the properties of complex… read more here.
Keywords: methodology; shifting computational; organic materials; computational boundaries ... See more keywords
Photolysis of acetonitrile in a water-rich ice as a source of complex organic molecules: CH3CN and H2O:CH3CN ices
Sign Up to like & getrecommendations! Published in 2021 at "Astronomy and Astrophysics"
DOI: 10.1051/0004-6361/202039695
Abstract: Context. Many C-, O-, and H-containing complex organic molecules (COMs) have been observed in the interstellar medium (ISM) and their formation has been investigated in laboratory experiments. An increasing number of recent detections of large… read more here.
Keywords: ch3cn; water; complex organic; organic molecules ... See more keywords
Catalytic Role of H i in the Interstellar Synthesis of Complex Organic Molecule
Sign Up to like & getrecommendations! Published in 2023 at "Research in Astronomy and Astrophysics"
DOI: 10.1088/1674-4527/accb25
Abstract: Using quantum chemical calculations, we model the pathways for synthesizing two purine nucleobases, adenine and guanine, in the gas-phase interstellar environment, surrounded by neutral atomic hydrogen (H i). H i is found active in facilitating… read more here.
Keywords: synthesis complex; catalytic role; synthesis; complex organic ... See more keywords
Prebiotic Chemistry of Pluto.
Sign Up to like & getrecommendations! Published in 2019 at "Astrobiology"
DOI: 10.1089/ast.2018.1927
Abstract: We present the case for the presence of complex organic molecules, such as amino acids and nucleobases, formed by abiotic processes on the surface and in near-subsurface regions of Pluto. Pluto's surface is tinted with… read more here.
Keywords: subsurface; surface; chemistry; pluto ... See more keywords
Complex Organic Molecules tracing shocks along the outflow cavity in the high-mass protostar IRAS 20126+4104.
Sign Up to like & getrecommendations! Published in 2017 at "Monthly notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/stx004
Abstract: We report on subarcsecond observations of complex organic molecules (COMs) in the high-mass protostar IRAS 20126+4104 with the Plateau de Bure Interferometer in its most extended configurations. In addition to the simple molecules SO, HNCO… read more here.
Keywords: iras 20126; protostar; organic molecules; complex organic ... See more keywords
Complex organic molecules in the Galactic Centre: the N-bearing family
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1174
Abstract: We present an unbiased spectral line survey toward the Galactic Centre (GC) quiescent giant molecular cloud (QGMC), G+0.693 using the GBT and IRAM 30$\,$ telescopes. Our study highlights an extremely rich organic inventory of abundant… read more here.
Keywords: bearing species; chemistry; complex organic; organic molecules ... See more keywords
Hydrogen transfer reactions of interstellar complex organic molecules
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty1478
Abstract: Radical recombination has been proposed to lead to the formation of complex organic molecules (COMs) in CO-rich ices in the early stages of star formation. These COMs can then undergo hydrogen addition and abstraction reactions… read more here.
Keywords: rate constants; complex organic; organic molecules; transfer ... See more keywords
The census of interstellar complex organic molecules in the Class I hot corino of SVS13-A
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty2915
Abstract: We present the first census of the interstellar Complex Organic Molecules (iCOMs) in the low-mass Class I protostar SVS13-A, obtained by analysing data from the IRAM-30m Large Project ASAI (Astrochemical Surveys At IRAM). They consist… read more here.
Keywords: census interstellar; class; interstellar complex; svs13 ... See more keywords
First ALMA maps of HCO, an important precursor of complex organic molecules, towards IRAS 16293–2422
Sign Up to like & getrecommendations! Published in 2018 at "Monthly Notices of the Royal Astronomical Society"
DOI: 10.1093/mnras/sty3078
Abstract: The formyl radical HCO has been proposed as the basic precursor of many complex organic molecules such as methanol (CH$_3$OH) or glycolaldehyde (CH$_2$OHCHO). Using ALMA, we have mapped, for the first time at high angular… read more here.
Keywords: iras 16293; 16293 2422; hco; complex organic ... See more keywords
Genomic Evidence for the Recycling of Complex Organic Carbon by Novel Thermoplasmatota Clades in Deep-Sea Sediments
Sign Up to like & getrecommendations! Published in 2022 at "mSystems"
DOI: 10.1128/msystems.00077-22
Abstract: Deep oceans receive large amounts of complex organic carbon and anthropogenic pollutants. The deep-sea sediments of the continental slopes serve as the biggest carbon sink on Earth. ABSTRACT Thermoplasmatota have been widely reported in a… read more here.
Keywords: carbon; deep sea; organic carbon; complex organic ... See more keywords