¹Daniele Fulvio, ²Simone Ieva, ^2,3Davide Perna, ⁴Zuzana Kanuchova, ²Elena Mazzotta Epifani, ²Elisabetta Dotto
Planetary and Space Science (in Press) Link to Article [https://doi.org/10.1016/j.pss.2018.06.006]
¹Departamento de Física, Pontifícia Universidade Católica Do Rio de Janeiro, Rua Marquês de São Vicente 225, 22451-900, Rio de Janeiro, RJ, Brazil
²INAF–Osservatorio Astronomico di Roma, Via Frascati 33, Monte Porzio Catone, I-00078, Roma, Italy
³LESIA – Observatoire de Paris, PSL Research University, CNRS, Sorbonne Universités, UPMC Univ. Paris 06, Univ. Paris Diderot, Sorbonne Paris Cité, 5 Place Jules Janssen, 92195, Meudon, France
⁴Astronomical Institute of the Slovak Academy of Sciences, 059 60, Tatranská Lomnica, Slovakia

We currently do not have a copyright agreement with this publisher and cannot display the abstract here

¹E.Hadamcik, ²J.Lasue, ³A.C.Levasseur-Regourd, ⁴J.-B.Renard
Planetary and Space Science (in Press) Link to Article [https://doi.org/10.1016/j.pss.2018.04.022]
¹LATMOS-IPSL, 11 bld d’Alembert, 78280 Guyancourt, France
²IRAP, Université de Toulouse, CNES, CNRS, UPS, Toulouse, France
³Sorbonne Université, CNRS-INSU, LATMOS-IPSL, Campus Pierre et Marie Curie, 4 Place Jussieu, 75005 Paris, France
⁴LPC2E-CNRS, Université d’Orléans, 3A Avenue de la Recherche Scientifique, F-45071 Orléans-cedex 2, France

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¹David V. Bekaert, ²Sylvie Derenne, ¹Laurent Tissandier, ¹Yves Marrocchi, ³Sebastien Charnoz, ²Christelle Anquetil, ¹Bernard Marty
The Astrophysical Journal (in Press) Link to Article [https://doi.org/10.3847/1538-4357/aabe7a]
¹Centre de Recherches Pétrographiques et Géochimiques, UMR 7358 CNRS—Université de Lorraine, 15 rue Notre Dame des Pauvres, BP 20, F-54501 Vandoeuvre-lès-Nancy, France
²METIS, UMR CNRS 7619, EPHE-Sorbonne Université, 4 Place Jussieu, F-75252 Paris Cedex 05, France
³Institut de Physique du Globe/Universite Paris Diderot/CEA/CNRS, F-75005 Paris, France

Biologically relevant molecules (hereafter biomolecules) have been commonly observed in extraterrestrial samples, but the mechanisms accounting for their synthesis in space are not well understood. While electron-driven production of organic solids from gas mixtures reminiscent of the photosphere of the protosolar nebula (PSN; i.e., dominated by CO–N2–H2) successfully reproduced key specific features of the chondritic insoluble organic matter (e.g., elementary and isotopic signatures of chondritic noble gases), the molecular diversity of organic materials has never been investigated. Here, we report that a large range of biomolecules detected in meteorites and comets can be synthesized under conditions typical of the irradiated gas phase of the PSN at temperatures = 800 K. Our results suggest that organic materials—including biomolecules—produced within the photosphere would have been widely dispersed in the protoplanetary disk through turbulent diffusion, providing a mechanism for the distribution of organic meteoritic precursors prior to any thermal/photoprocessing and subsequent modification by secondary parent body processes. Using a numerical model of dust transport in a turbulent disk, we propose that organic materials produced in the photosphere of the disk would likely be associated with small dust particles, which are coupled to the motion of gas within the disk and therefore preferentially lofted into the upper layers of the disk where organosynthesis occurs.