globalchange  > 气候变化与战略
DOI: 10.1016/j.epsl.2019.116011
论文题名:
Laboratory experiments to unveil the molecular reactivity occurring during the processing of ices in the protosolar nebula
作者: Gautier T.; Danger G.; Mousis O.; Duvernay F.; Vuitton V.; Flandinet L.; Thissen R.; Orthous-Daunay F.-R.; Ruf A.; Chiavassa T.; S. d'Hendecourt L.
刊名: Earth and Planetary Science Letters
ISSN: 0012821X
出版年: 2020
卷: 531
语种: 英语
中文关键词: high resolution mass spectrometry ; interstellar ices ; laboratory simulations ; organic matter ; protosolar nebula
英文关键词: Ammonia ; Biogeochemistry ; Biological materials ; Carboxylation ; Ice ; Irradiation ; Mass spectrometry ; Organic compounds ; High resolution mass spectrometry ; Interstellar ice ; Laboratory experiments ; Laboratory simulation ; Nitrogen incorporation ; Orbitrap mass spectrometries ; Proto-solar nebula ; Unsaturated molecules ; Laboratories ; astrophysics ; experimental study ; ice ; mass spectrometry ; molecular analysis ; organic matter ; planetary atmosphere
英文摘要: Using laboratory experiments, we investigate the role of photo and thermal degradation in the possible complexification mechanisms of organic matter that may originate from interstellar ices prior to, or during the formation of the Solar System. We perform High Resolution Orbitrap Mass Spectrometry on organic residues formed from the photo- and thermochemical alterations of Interstellar Medium (ISM) dirty ice laboratory analogues. We probe, at the molecular level, the possible effects within the protosolar nebula on the composition and structure of these organic refractory materials obtained from an initial ice composition representative of astrophysical ices. We show that nitrogen incorporation, by competing with the carbon, has a strong influence on the final composition of the residue. NH3 rich ices lead to a group of unsaturated molecules in the final residue, while H2O rich ices lead to saturated ones. Finally, we observe and discuss the strong effect of UV irradiation on the decarboxylation on organic matter and discuss potential implications of this result for the protosolar nebula. © 2019 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/164980
Appears in Collections:气候变化与战略

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作者单位: LATMOS, CNRS, Sorbonne Université, Université Versailles St-Quentin, UMR8190, 11 bvd d'Alembert, Guyancourt, F-78280, France; Aix-Marseille Université, PIIM UMR-CNRS 7345, Marseille, F-13397, France; Institut Universitaire de France (IUF), France; Aix-Marseille Université, CNRS, LAM (Laboratoire d'Astrophysique de Marseille) UMR 7326, Marseille, F-13388, France; Université Grenoble Alpes, CNRS, IPAG, Grenoble, F-38000, France; Laboratoire de Chimie Physique, CNRS, Université Paris-Sud et Paris-Saclay, UMR 8000, Orsay, F-91405, France

Recommended Citation:
Gautier T.,Danger G.,Mousis O.,et al. Laboratory experiments to unveil the molecular reactivity occurring during the processing of ices in the protosolar nebula[J]. Earth and Planetary Science Letters,2020-01-01,531
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