On the origin and evolution of deuterium enrichment in type 1 and 2 chondritic organic solids
George D. Cody, Conel M. O’D. Alexander, Dionysis I. Foustoukos, Yoko Kebukawa, Ying Wang Geochimica et Cosmochimica ActaIn Press, Journal Pre-proof, Available online 21 September 2024 LINK “Rotationally resonant Deuterium Nuclear Magnetic Resonance spectroscopy (D…
Water in Asteroid Ryugu is Deuterium-Rich Compared to Earth and CI Chondrites
Nittler L. R.* Barosch J. Wang J. Alexander C. M. O’D. 54th Lunar and Planetary Science Conference 2023abstract [#1411] Use oxygen ions / Measure Ryugu water / Deuterium-rich!
Deuterium Isotope Fractionation of Polycyclic Aromatic Hydrocarbons in Meteorites as an Indicator of Interstellar/Protosolar Processing HistoryOPEN ACCESS
Heather V. Graham, Jamie E. Elsila, Jason P. Dworkin, Scott A. Sandford and Jose C. Aponte Life 2022, 12(9), 1368 LINK (OPEN ACCESS)PDF (DOWNLOAD) “The stable isotope composition of soluble and insoluble organic compounds in…
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 ‰…
Cosmic ray effects on the isotope composition of hydrogen and noble gases in lunar samples: Insights from Apollo 12018OPEN ACCESS
Evelyn Füri, Laurent Zimmermann, Etienne Deloule, Reto Trappitsch Earth and Planetary Science LettersVolume 550, 15 November 2020, 116550, First available on 31 August 2020 LINK (OPEN ACCESS) “Highlights • Abundances of D, 3He, 21Ne, and…
Exploring the Origins of Deuterium Enrichments in Solar Nebular Organics
L. Ilsedore Cleeves, Edwin A. Bergin, Conel M. O’D. Alexander, Fujun Du, Dawn Graninger, Karin I. Öberg, and Tim J. Harries Astrophysical Journal, Volume 819, Number 1 Published 2016 February 23 LINK “Deuterium-to-hydrogen (D/H) enrichments…