Search Results - "Le Sergeant d’Hendecourt, L."

Exploring the link between molecular cloud ices and chondritic organic matter in laboratory by Danger, G., Vinogradoff, V., Matzka, M., Viennet, J-C., Remusat, L., Bernard, S., Ruf, A., Le Sergeant d’Hendecourt, L., Schmitt-Kopplin, P.

“…Carbonaceous meteorites are fragments of asteroids rich in organic material. In the forming solar nebula, parent bodies may have accreted organic materials…”
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Mid-IR, Far-IR, Raman micro-spectroscopy, and FESEM–EDX study of IDP L2021C5: Clues to its origin by Brunetto, R., Borg, J., Dartois, E., Rietmeijer, F.J.M., Grossemy, F., Sandt, C., Le Sergeant d’Hendecourt, L., Rotundi, A., Dumas, P., Djouadi, Z., Jamme, F.

“…► A chondritic porous aggregate IDP was analyzed with IR (2 – 60 μm), Raman, FESEM-EDX. ► IR spectra match the small silicate grains emission of comet…”
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Insight into the molecular composition of laboratory organic residues produced from interstellar/pre-cometary ice analogues using very high resolution mass spectrometry by Danger, G., Fresneau, A., Abou Mrad, N., de Marcellus, P., Orthous-Daunay, F.-R., Duvernay, F., Vuitton, V., Le Sergeant d’Hendecourt, L., Thissen, R., Chiavassa, T.

“…Experimental simulations in the laboratory may provide important information about the chemical evolution occurring in various astrophysical objects such as…”
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Characterization of laboratory analogs of interstellar/cometary organic residues using very high resolution mass spectrometry by Danger, G., Orthous-Daunay, F.-R., de Marcellus, P., Modica, P., Vuitton, V., Duvernay, F., Flandinet, L., Le Sergeant d’Hendecourt, L., Thissen, R., Chiavassa, T.

“…Studying the chemical composition of organic matter in astrophysical environments is an important means to improve our understanding of its origin and…”
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MICMOC/MICMOS: Photochemistry of van der Waals solids and the rise of the organic molecular complexity by Sergeant d’Hendecourt, L. Le, Marcellus, P. de, Modica, P.

“…Ices of well-known composition are widely observed in molecular clouds out of which stars, planets and debris (asteroids, comets) will form. These ices are…”
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RELATIONS BETWEEN ALIPHATICS AND SILICATE COMPONENTS IN 12 STRATOSPHERIC PARTICLES DEDUCED FROM VIBRATIONAL SPECTROSCOPY by MEROUANE, S, Djouadi, Z, D'HENDECOURT, L LE SERGEANT

“…Interplanetary dust particles (IDPs) are among the most pristine extraterrestrial samples available in the laboratory for analyses with moderate to high…”
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HYDROCARBON MATERIALS OF LIKELY INTERSTELLAR ORIGIN FROM THE PARIS METEORITE by MEROUANE, S, DJOUADI, Z, LE SERGEANT D'HENDECOURT, L, ZANDA, B, BORG, And J

“…We have examined some grains from the Paris meteorite through infrared and Raman micro-spectroscopy in order to investigate their carbonaceous and…”
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Two refractory Wild 2 terminal particles from a carrot-shaped track characterized combining MIR/FIR/Raman microspectroscopy and FE-SEM/EDS analyses by Rotundi, A., Rietmeijer, F. J. M., Ferrari, M., Della Corte, V., Baratta, G. A., Brunetto, R., Dartois, E., Djouadi, Z., Merouane, S., Borg, J., Brucato, J. R., Le Sergeant d'Hendecourt, L., Mennella, V., Palumbo, M. E., Palumbo, P.

“…We present the analyses results of two bulk Terminal Particles, C2112,7,171,0,0 and C2112,9,171,0,0, derived from the Jupiter‐family comet 81P/Wild 2 returned…”
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The origin of biomolecular asymmetry – Insights from cometary and meteoritic matter by Meinert, C., Meierhenrich, U.J., Nahon, L., Hoffmann, S.V., le Sergeant d’Hendecourt, L.

“…The chemistry of life is purely stereospecific. The fundamental biopolymers – proteins and nucleic acids – are intrinsically chiral due to their molecular…”
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RELATIONS BETWEEN ALIPHATICS AND SILICATE COMPONENTS IN 12 STRATOSPHERIC PARTICLES DEDUCED FROM VIBRATIONAL SPECTROSCOPY by Merouane, S., Djouadi, Z., Le Sergeant d'Hendecourt, L.

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Molecular complexity in astrophysical environments: From astrochemistry to “astrobiology”? by d’Hendecourt, L. Le Sergeant

“…I present in this paper my own view about the intricate problem between the evolution of molecular complexity as observed from an astrophysicist point of view…”
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Irradiation dose affects the composition of organic refractory materials in space: Results from laboratory analogues by Urso, R. G, Vuitton, V, Danger, G, d'Hendecourt, L. Le Sergeant, Flandinet, L, Djouadi, Z, Mivumbi, O, Orthous-Daunay, F. R, Ruf, A, Vinogradoff, V, Wolters, C, Brunetto, R

“…A&A 644, A115 (2020) Context. Near- and mid-infrared observations have revealed the presence of organic refractory materials in the solar system, in cometary…”
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NON-RACEMIC AMINO ACID PRODUCTION BY ULTRAVIOLET IRRADIATION OF ACHIRAL INTERSTELLAR ICE ANALOGS WITH CIRCULARLY POLARIZED LIGHT by DE MARCELLUS, Pierre, MEINERT, Cornelia, NUEVO, Michel, FILIPPI, Jean-Jacques, DANGER, Grégoire, DEBOFFLE, Dominique, NAHON, Laurent, LE SERGEANT D'HENDECOURT, Louis, MEIERHENRICH, Uwe J

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Insight into the molecular composition of laboratory organic residues produced from interstellar/pre-cometary ice analogues using very high resolution mass spectrometry by Danger, Grégoire, Fresneau, A., Abou Mrad, N., de Marcellus, P., Orthous-Daunay, F.-R., Duvernay, F., Vuitton, V., Le Sergeant D’hendecourt, L., Thissen, R., Chiavassa, T.

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Characterization of laboratory analogs of interstellar/cometary organic residues using very high resolution mass spectrometry by Danger, Gregoire, Orthous-Daunay, F.-R., de Marcellus, P., Modica, P., Vuitton, V., Duvernay, F., Flandinet, L., Le Sergeant D’hendecourt, L., Thissen, R., Chiavassa, T.

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