Search Results - "Lamberts, Thanja"
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Influence of Surface and Bulk Water Ice on the Reactivity of a Water-forming Reaction
Published in The Astrophysical journal (01-09-2017)“…On the surface of icy dust grains in the dense regions of the interstellar medium, a rich chemistry can take place. Due to the low temperature, reactions that…”
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Efficient Production of S8 in Interstellar Ices: The Effects of Cosmic-Ray-driven Radiation Chemistry and Nondiffusive Bulk Reactions
Published in The Astrophysical journal (01-01-2020)“…In this work, we reexamine sulfur chemistry occurring on and in the ice mantles of interstellar dust grains, and report the effects of two new modifications to…”
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3
Tunneling Reaction Kinetics for the Hydrogen Abstraction Reaction H + H2S → H2 + HS in the Interstellar Medium
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (28-12-2017)“…The hydrogen abstraction reaction between H and H2S, yielding HS and H2 as products, has been studied within the framework of interstellar surface chemistry…”
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First Experimental Confirmation of the CH3O + H2CO → CH3OH + HCO Reaction: Expanding the CH3OH Formation Mechanism in Interstellar Ices
Published in Astrophysical journal. Letters (01-06-2022)“…The successive addition of H atoms to CO in the solid phase has been hitherto regarded as the primary route to form methanol in dark molecular clouds. However,…”
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5
Water formation at low temperatures by surface O2 hydrogenation III: Monte Carlo simulation
Published in Physical chemistry chemical physics : PCCP (07-06-2013)“…Water is the most abundant molecule found in interstellar icy mantles. In space it is thought to be efficiently formed on the surfaces of dust grains through…”
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Atom Tunneling in the Water Formation Reaction H2 + OH → H2O + H on an Ice Surface
Published in ACS earth and space chemistry (21-09-2017)“…OH radicals play a key role as an intermediate in the water formation chemistry of the interstellar medium. For example, the reaction of OH radicals with H2…”
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Methane Formation in Cold Regions from Carbon Atoms and Molecular Hydrogen
Published in The Astrophysical journal (01-03-2022)“…Methane is typically thought to be formed in the solid state on top of cold interstellar icy grain mantles via the successive atomic hydrogenation of a carbon…”
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8
HOCO formation in astrochemical environments by radical-induced H-abstraction from formic acid
Published in Monthly notices of the Royal Astronomical Society (01-01-2019)Get full text
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Detection of Interstellar E-1-cyano-1,3-butadiene in GOTHAM Observations of TMC-1
Published in The Astrophysical journal (01-05-2023)“…We report the detection of the lowest-energy conformer of E -1-cyano-1,3-butadiene ( E -1- C 4 H 5 CN ), a linear isomer of pyridine, using the fourth data…”
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10
Alcohols on the Rocks: Solid-State Formation in a H3CCCH + OH Cocktail under Dark Cloud Conditions
Published in ACS earth and space chemistry (20-06-2019)“…A number of recent experimental studies have shown that solid-state complex organic molecules (COMs) can form under conditions that are relevant to the CO…”
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11
The Complex (Organic) Puzzle of the Formation of Hydrogen Cyanide and Isocyanide on Interstellar Ice Analogues
Published in The journal of physical chemistry letters (01-08-2024)“…Aiming to constrain the surface formation of HCN and HNC in the dense interstellar medium on ice-covered dust grains, we investigate the interaction of CN…”
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12
Tunneling Reaction Kinetics for the Hydrogen Abstraction Reaction H + H 2 S → H 2 + HS in the Interstellar Medium
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (28-12-2017)“…The hydrogen abstraction reaction between H and H S, yielding HS and H as products, has been studied within the framework of interstellar surface chemistry…”
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13
Investigating the impact of reactions of C and CH with molecular hydrogen on a glycine gas-grain network
Published in Monthly notices of the Royal Astronomical Society (28-01-2023)“…ABSTRACT The impact of including the reactions of C and CH with molecular hydrogen in a gas-grain network is assessed via a sensitivity analysis. To this end,…”
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14
Proposed Importance of HOCO Chemistry: Inefficient Formation of CO 2 from CO and OH Reactions on Ice Dust
Published in The Astrophysical journal (01-12-2024)“…With the advent of JWST ice observations, dedicated studies on the formation reactions of detected molecules are becoming increasingly important. One of the…”
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15
Proposed Importance of HOCO Chemistry: Inefficient Formation of CO2 from CO and OH Reactions on Ice Dust
Published in The Astrophysical journal (01-12-2024)“…With the advent of JWST ice observations, dedicated studies on the formation reactions of detected molecules are becoming increasingly important. One of the…”
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16
Efficient Production of S 8 in Interstellar Ices: The Effects of Cosmic-Ray-driven Radiation Chemistry and Nondiffusive Bulk Reactions
Published in The Astrophysical journal (01-01-2020)“…In this work, we reexamine sulfur chemistry occurring on and in the ice mantles of interstellar dust grains, and report the effects of two new modifications to…”
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17
Hydrogenation of Accreting C Atoms and CO Molecules–Simulating Ketene and Acetaldehyde Formation Under Dark and Translucent Cloud Conditions
Published in The Astrophysical journal (01-01-2022)“…Simple and complex organic molecules (COMs) are observed along different phases of star and planet formation and have been successfully identified in…”
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Hydrogenation and Deuteration of C2H2 and C2H4 on Cold Grains: A Clue to the Formation Mechanism of C2H6 with Astronomical Interest
Published in The Astrophysical journal (10-03-2017)“…We quantitatively investigated the hydrogen addition reactions of acetylene (C2H2) and ethylene (C2H4) on amorphous solid water (ASW) at 10 and 20 K relevant…”
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Carbon Atom Reactivity with Amorphous Solid Water: H2O‑Catalyzed Formation of H2CO
Published in The journal of physical chemistry letters (11-11-2021)“…We report new computational and experimental evidence of an efficient and astrochemically relevant formation route to formaldehyde (H2CO). This simplest…”
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20
HOCO formation in astrochemical environments by radical-induced H-abstraction from formic acid
Published in Monthly notices of the Royal Astronomical Society (25-09-2018)“…Rate constants for the radical-induced hydrogen abstraction from formic acid, HCOOH, are presented here. Only those reactions leading to the formation of HOCO…”
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