Variations of organic functional chemistry in carbonaceous matter from the asteroid 162173 RyuguOPEN ACCESS
Bradley De Gregorio, George D. Cody, Rhonda M. Stroud, A. L. David Kilcoyne, Scott Sandford, Corentin Le Guillou, Larry R. Nittler, Jens Barosch, Hikaru Yabuta, Zita Martins, Yoko Kebukawa, Taiga Okumura, Minako Hashiguchi, Shohei Yamashita,…
Micro- and nanoscale studies of insoluble organic matter and C-rich presolar grains in Murchison and Sutter’s Mill in preparation for Bennu sample analysisOPEN ACCESS
A. N. Nguyen, S. J. Clemett, K. Thomas-Keprta, C. M. O’D. Alexander, D. P. Glavin, J. P. Dworkin, H. C. Connolly Jr, D. S. Lauretta MAPS, Version of Record online: 30 August 2024 LINK (OPEN…
Molecular distribution and 13C isotope composition of volatile organic compounds in the Murchison and Sutter’s Mill carbonaceous chondritesOPEN ACCESS
José C. Aponte, Frédéric Séguin, Ariel J. Siguelnitzky, Jason P. Dworkin, Jamie E. Elsila, Daniel P. Glavin, Harold C. Connolly Jr, Dante S. Lauretta MAPS, Version of Record online: 16 January 2024 LINK (OPEN ACCESS)PDF…
The nature of insoluble organic matter in Sutter’s Mill and Murchison carbonaceous chondrites: Testing the effect of x-ray computed tomography and exploring parent body organic molecular evolution
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Henner Busemann, Scott Eckley, Aaron S. Burton, Eve L. Berger, Michael Nuevo, Scott A. Sandford, Daniel P. Glavin, Jason P. Dworkin, Harold C. Connolly Jr,…
Compositional heterogeneity of insoluble organic matter extracted from asteroid Ryugu samples
Eric Quirico, Lydie Bonal, Yoko Kebukawa, Kana Amano, Hikaru Yabuta, Van T. H. Phan, Pierre Beck, Laurent Rémusat, Emmanuel Dartois, Cecile Engrand, Zita Martins, Laure Bejach, Alexandre Dazzi, Ariane Deniset-Besseau, Jean Duprat, Jérémie Mathurin, Gilles…
Abundant extraterrestrial purine nucleobases in the Murchison meteorite: Implications for a unified mechanism for purine synthesis in carbonaceous chondrite parent bodies
Toshiki Koga, Yoshinori Takano, Yasuhiro Oba, Hiroshi Naraoka, Naohiko Ohkouchi Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 18 October 2023 LINK “Extraterrestrial nucleobases are of key interest owing to their implications for the…
The thermal history of Ryugu based on Raman characterization of Hayabusa2 samples
Lydie Bonal, Eric Quirico, Gilles Montagnac, Mutsumi Komatsu, Yoko Kebukawa, Hikaru Yabuta, Kana Amano, Jens Barosch, Laure Bejach, George D. Cody, Emmanuel Dartois, Alexandre Dazzi, Bradley De Gregorio, Ariane Deniset-Besseau, Jean Duprat, Cécile Engrand, Minako…
Ryugu asteroid sample return provides a natural laboratory for primordial chemical evolutionOPEN ACCESS
Yasuhiro Oba, Yoshinori Takano, Jason P. Dworkin & Hiroshi Naraoka Nature Communications, Volume 14, Article number: 3107Comment, published: 30 May 2023 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “The samples returned from near-Earth asteroid (162173) Ryugu provide…
Insoluble macromolecular organic matter in the Winchcombe meteoriteOPEN ACCESS
Mark A. Sephton, Queenie H. S. Chan, Jonathan S. Watson, Mark J. Burchell, Vassilia Spathis, Monica M. Grady, Alexander B. Verchovsky, Feargus A. J. Abernethy, Ian A. Franchi MAPSVersion of Record online: 17 February 2023…
The transition from soluble to insoluble organic matter in interstellar ice analogs and meteoritesOPEN ACCESS
G. Danger, A. Ruf, T. Javelle, J. Maillard, V. Vinogradoff, C. Afonso, I. Schmitz-Afonso, L. Remusat, Z. Gabelica, P. Schmitt-Kopplin A&A, Forthcoming articleReceived: 05 June 2022 / Accepted: 01 August 2022 PDF (OPEN ACCESS) “Context….
Identification and characterization of a new ensemble of cometary organic moleculesOPEN ACCESS
N. Hänni, K. Altwegg, M. Combi, S. A. Fuselier, J. De Keyser, M. Rubin & S. F. Wampfler Nature Communications, Volume 13, Article number: 3639Published: 25 June 2022 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “In-situ study…
Are radicals responsible for of the variable deuterium enrichments in chondritic insoluble organic material?
C.M.O’D. Alexander, M.J. Nilges, G.D. Cody, C.D.K. Herd Geochimica et Cosmochimica ActaAvailable online 22 October 2021 LINK “The insoluble organic material (IOM) in primitive chondritic meteorites is very enriched in D (up to δD≈3500 ‰…
Sulfur abundances and isotopic compositions in bulk carbonaceous chondrites and insoluble organic material: Clues to elemental and isotopic fractionations of volatile chalcophiles
Conel M.O’D. Alexander, Jonathan G. Wynn, Roxane Bowden Meteoritics & Planetary ScienceVersion of Record online: 26 September 2021 LINK “The bulk S elemental abundances and δ34S values for 83 carbonaceous chondrites (mostly CMs and CRs)…
Heterogeneity within refractory organic matter from CM2 Carbonaceous Chondrites: Evidence from Raman spectroscopy
Christian Potiszil, Wren Montgomery, Mark A. Sephton Earth and Planetary Science LettersVolume 574, 15 November 2021, 117149 LINK “Highlights • The refractory organic matter Raman response is indistinct from bulk meteorite.• Meteorite refractory organic matter…
Experimental Alteration of Insoluble Organic Matter of the Paris Meteorite
Laurent B., Holin M., Beyssac O., Brunetto R., Brunelle A., Bouvier C., Remusat L. * 84th Annual Meeting of The Meteoritical Society 2021 (abstract # 6202) PDF The Paris IOM was subjected to aqueous alteration…
Synthesis of 13C-enriched amino acids with 13C-depleted insoluble organic matter in a formose-type reaction in the early solar systemOPEN ACCESS
Yoshihiro Furukawa, Yoshinari Iwasa, Yoshito Chikaraishi Science Advances, 28 Apr 2021:Vol. 7, no. 18, eabd3575 LINK (OPEN ACCESS)PDF (OPEN ACCESS) “Solvent-soluble organic matter (SOM) in meteorites, which includes life’s building molecules, is suspected to originate…
A radiolytic origin of organic matter in primitive chondrites and trans-neptunian objects? New clues from ion irradiation experiments
Mathilde Faure, Eric Quirico, Alexandre Faure, Philippe Boduch, Hermann Rothard, Emmanuel Balanzat, Donia Baklouti, Rosario Brunetto, Lydie Bonal, Pierre Beck, Bernard Schmitt IcarusIn Press, Journal Pre-proof, Available online 3 April 2021 LINK “Highlights • Ion…
Speciation of organosulfur compounds in carbonaceous chondritesOPEN ACCESS
Alexander Zherebker, Yury Kostyukevich, Dmitry S. Volkov, Ratibor G. Chumakov, Lukas Friederici, Christopher P. Rüger, Alexey Kononikhin, Oleg Kharybin, Alexander Korochantsev, Ralf Zimmermann, Irina V. Perminova & Eugene Nikolaev Scientific Reports 11 , 1–13 LINK…
Insoluble organic matter in chondrites: Archetypal melanin-like PAH-based multifunctionality at the origin of life?
Marco d’Ischia, Paola Manini, Zita Martins, Laurent Remusat, Conel M.O’D. Alexander, Cristina Puzzarini, Vincenzo Barone, Raffaele Saladino Physics of Life ReviewsAvailable online 18 March 2021 LINK “Highlights • The IOM in chondrites is remarkably similar…
Hydrogen isotopic exchange kinetics between organic matter and water: Implications for chemical evolution during meteorite parent body processing
Yoko Kebukawa, Sachio Kobayashi, Noriyuki Kawasaki, Ying Wang, Hisayoshi Yurimoto, George D. Cody Meteoritics & Planetary ScienceVersion of Record online: 09 March 2021 LINK “The large variations in hydrogen isotope ratios found in insoluble organic…
Insoluble Organic Matter in Ryugu Analog Meteorite Jbilet Winselwan
B. T. De Gregorio, Stroud R. M. 52nd Lunar and Planetary Science Conference (2021), Abstract #2059 PDF “Studies of Ryugu return samples require refined approaches in sample preparation and analysis. We demonstrate advanced methods to…
A probabilistic approach to determination of Ceres’ average surface composition from Dawn VIR and GRaND dataOPEN ACCESS
H. Kurokawa, B. L. Ehlmann, M. C. De Sanctis, M. G. A. Lapôtre, T. Usui, N. T. Stein, T. H. Prettyman, A. Raponi, M. Ciarniello accepted for publication in JGR: Planets PDF (OPEN ACCESS) “The…
The Albedo of Ryugu: Evidence for a High Organic Abundance, as Inferred from the Hayabusa2 Touchdown ManeuverOPEN ACCESS
Christian Potiszil, Ryoji Tanaka, Katsura Kobayashi, Tak Kunihiro, Eizo Nakamura Astrobiology, Vol. 20, No. 7Hypothesis ArticlePublished Online:8 Jul 2020 LINK (OPEN ACCESS) “The Hayabusa2 mission successfully collected samples from the asteroid Ryugu last year and…
New insights into the structure and formation of coals, terrestrial and extraterrestrial kerogens from resonant UV Raman spectroscopy
Eric Quirico, Lydie Bonal, Gilles Montagnac, Pierre Beck, Bruno Reynard Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 1 June 2020 LINK “Resonant UV (244 nm-excitation) Raman spectroscopy was used to characterize a series…
Organics preserved in anhydrous interplanetary dust particles: Pristine or not?OPEN ACCESS
Queenie H. S. Chan, Ian A. Franchi, Xuchao Zhao, Alice Stephant, Ian P. Wright, Conel M. O’D. Alexander Meteoritics & Planetary Science First Published: 19 November 2019 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The chondritic‐porous…
Molecular and isotopic behavior of Insoluble Organic Matter of the Orgueil meteorite upon heating
Laurent Remusat, Jean-Yves Bonnet, Sylvain Bernard, Arnaud Buch, Eric Quirico Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 16 July 2019 LINK “Organic matter contained in carbonaceous chondrites may have evolved due to…
Comparison of FT‐IR spectra of bulk and acid insoluble organic matter in chondritic meteorites: An implication for missing carbon during demineralization
Yoko Kebukawa, Conel M. O’D. Alexander, George D. Cody Meteoritics & Planetary Science First Published: 8 May 2019 LINK “Past studies of the various separable carbonaceous fractions have been unable to account for all of…
Reflectance spectroscopy of insoluble organic matter (IOM) and carbonaceous meteorites
Hannah H. Kaplan, Ralph E. Milliken, Conel M. O’D. Alexander, Christopher D. K. Herd Meteoritics & Planetary Science First Published: 3 March 2019 LINK “Insoluble organic matter (IOM) is the major organic component of chondritic…
Probing molecular and isotopic features of meteoritic insoluble organic matter by solid‐state nuclear magnetic resonance spectroscopy with sub‐milligram sample
M. K. Pandey, Y. Nishiyama, P. Tekely Meteorit Planet Sci. . doi:10.1111/maps.13209 LINK “We recorded one‐ and two‐dimensional solid‐state nuclear magnetic resonance spectra of meteoric insoluble organic matter with unprecedented sensitivity and resolution permitting us…
Paris vs. Murchison: Impact of hydrothermal alteration on organic matter in CM chondrites
V. Vinogradoff, C. Le Guillou, S. Bernard, L. Binet, P. Cartigny, A.J. Brearley, L. Remusat Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 12 June 2017 LINK “Unravelling the origin of organic compounds…
Microanalytical Investigation of Fine-Grained Matrix Material in Elephant Moraine 92042: Effects of Parent Body Processing on Primitive Components
Koch I. Floss C. * 80th Annual Meeting of the Meteoritical Society 2017 [#6013] abstract (PDF) “Aqueous alteration has affected presolar silicate abundances in the CR chondrite EET 92042 and has resulted in elemental changes…
The nature, origin and modification of insoluble organic matter in chondrites, the major source of Earth’s C and N
C.M.O’D. Alexander, G.D. Cody, B.T. De Gregorio, L.R. Nittler, R.M. Stroud Chemie der Erde – Geochemistry review article In Press, Corrected Proof, Available online 26 January 2017 LINK “All chondrites accreted ∼3.5 wt.% C in…
Photo and thermochemical evolution of astrophysical ice analogs as a source for soluble and insoluble organic materials in Solar System minor bodies
Pierre de Marcellus, Aurelien Fresneau, Rosario Brunetto, Gregoire Danger, Fabrice Duvernay, Cornelia Meinert, Uwe J. Meierhenrich, Ferenc Borondics, Thierry Chiavassa, and Louis Le Sergeant d’Hendecourt MNRAS doi:10.1093/mnras/stw2292 First published online September 12, 2016 LINK “Soluble…
High-molecular-weight organic matter in the particles of comet 67P/Churyumov–Gerasimenko
Nicolas Fray, Anaïs Bardyn, Hervé Cottin, Kathrin Altwegg, Donia Baklouti, Christelle Briois, Luigi Colangeli, Cécile Engrand, Henning Fischer, Albrecht Glasmachers, Eberhard Grün, Gerhard Haerendel, Hartmut Henkel, Herwig Höfner, Klaus Hornung, Elmar K. Jessberger, Andreas Koch,…
Hydrogen Isotopic Evolution of Water and Organic Compounds on Chondritic Asteroids
L. Piani, L. Remusat, F. Robert, H. Yurimoto 47th Lunar and Planetary Science Conference (2016), Abstract #1707 PDF
Thermal recalcitrance of the organic D-rich component of ordinary chondrites
L. Remusat, L. Piani, S. Bernard Earth and Planetary Science Letters, Volume 435 Available online 29 December 2015 doi:10.1016/j.epsl.2015.12.009 LINK “Carbonaceous and ordinary chondrites (CCs and OCs) contain insoluble organic matter (IOM) with large D-excess…
The path of reduced nitrogen toward early earth: the cosmic trail and its solar shortcuts
Sandra Pizzarello and Maitrayee Bose The Astrophysical Journal, Volume 814, Number 2 LINK “Large isotopic anomalies are found in meteoritic insoluble organic materials (IOMs) and, for nitrogen, show 15N-excesses up to ${\delta }^{15}$N ~ 5000‰….
The deuterium/hydrogen distribution in chondritic organic matter attests to early ionizing irradiation
Boris Laurent, Mathieu Roskosz, Laurent Remusat, François Robert, Hugues Leroux, Hervé Vezin, Christophe Depecker, Nicolas Nuns, Jean-Marc Lefebvre Nature Communications 6, Article number: 8567 doi:10.1038/ncomms9567 LINK (full text) “Primitive carbonaceous chondrites contain a large array…
Toward an experimental synthesis of the chondritic insoluble organic matter
Biron, K., Derenne, S., Robert, F. and Rouzaud, J.-N. Meteoritics & Planetary Science. doi: 10.1111/maps.12477 LINK
The Insoluble Organic Matter of the Paris CM Chondrite
Vinogradoff V., Remusat L., Bernard S., Le Guillou C. 78th Annual Meeting of the Meteoritical Society (2015) Berkeley, USA July 27-31 2015 PDF (abstract)
Synthesis of refractory organic matter in the ionized gas phase of the solar nebula
Maïa Kuga, Bernard Marty, Yves Marrocchi, and Laurent Tissandier PNAS2015 ; published ahead of print May 26, 2015, doi:10.1073/pnas.1502796112 PDF (full text) abstract
Organic Matter Evolution on Asteroids: New Clues from Paris
Remusat L, Vinogradoff V, Le Guillou C & Bernard S Goldschmidt 2015, Prague, 16-21 August 2015 PDF (abstract)
Ion irradiation of the Murchison meteorite: Visible to mid-infrared spectroscopic results
C. Lantz, R. Brunetto, M. A. Barucci, E. Dartois, J. Duprat, C. Engrand, M. Godard, D. Ledu and E. Quirico A&A Volume 577, May 2015 Published online: 29 April 2015 LINK
Morphological Study of Insoluble Organic Matter from Carbonaceous Chondrites: Correlation with Petrologic Grade
Hitesh G. Changela, George D. Cody, Conel M.O’D. Alexander, Z Peeters, Larry R. Nittler, Rhonda M. Stroud Geochimica et Cosmochimica Acta available online 16 February 2015 doi:10.1016/j.gca.2015.02.007
Challenging analyses of organic content in Saharan carbonaceous chondrites
Yutaro Osawa (Kyushu University), Sandra Pizzarello (Arizona State University) PDF LINK
