Conel M OD Alexander
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Explore the profile of Conel M OD Alexander including associated specialties, affiliations and a list of published articles.
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26
Citations
284
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Recent Articles
11.
Yokoyama T, Nagashima K, Nakai I, Young E, Abe Y, Aleon J, et al.
Science
. 2022 Jun;
379(6634):eabn7850.
PMID: 35679354
Carbonaceous meteorites are thought to be fragments of C-type (carbonaceous) asteroids. Samples of the C-type asteroid (162173) Ryugu were retrieved by the Hayabusa2 spacecraft. We measured the mineralogy and bulk...
12.
Zhu K, Moynier F, Schiller M, Alexander C, Davidson J, Schrader D, et al.
Geochim Cosmochim Acta
. 2021 Aug;
301:158-186.
PMID: 34393262
Chondrites are meteorites from undifferentiated parent bodies that provide fundamental information about early Solar System evolution and planet formation. The element Cr is highly suitable for deciphering both the timing...
13.
Nittler L, Alexander C, Patzer A, Verdier-Paoletti M
Meteorit Planet Sci
. 2021 Apr;
56(2):260-276.
PMID: 33888973
We report a NanoSIMS search for presolar grains in the CM chondrites Asuka (A) 12169 and A12236. We found 90 presolar O-rich grains and 25 SiC grains in A12169, giving...
14.
dIschia M, Manini P, Martins Z, Remusat L, Alexander C, Puzzarini C, et al.
Phys Life Rev
. 2021 Mar;
37:65-93.
PMID: 33774429
An interdisciplinary review of the chemical literature that points to a unifying scenario for the origin of life, referred to as the Primordial Multifunctional organic Entity (PriME) scenario, is provided...
15.
Alexander C
Philos Trans A Math Phys Eng Sci
. 2021 Feb;
379(2194):20200435.
PMID: 33583240
No abstract available.
16.
Nittler L, Alexander C, Liu N, Wang J
Astrophys J Lett
. 2019 May;
856(2).
PMID: 31049193
We report the identification of 19 presolar oxide grains from the Orgueil CI meteorite with substantial enrichments in Cr, with Cr/Cr ratios ranging from 1.2 to 56 times the solar...
17.
Alexander C, McKeegan K, Altwegg K
Space Sci Rev
. 2019 Mar;
214(1).
PMID: 30842688
Asteroids and comets are the remnants of the swarm of planetesimals from which the planets ultimately formed, and they retain records of processes that operated prior to and during planet...
18.
Cleeves L, Bergin E, Alexander C, Du F, Graninger D, Oberg K, et al.
Astrophys J
. 2019 Mar;
819(1).
PMID: 30842682
Deuterium-to-hydrogen (D/H) enrichments in molecular species provide clues about their original formation environment. The organic materials in primitive solar system bodies generally have higher D/H ratios and show greater D/H...
19.
High Abundances of Presolar Grains and N-rich Organic Matter in CO3.0 Chondrite Dominion Range 08006
Nittler L, Alexander C, Davidson J, Riebe M, Stroud R, Wang J
Geochim Cosmochim Acta
. 2018 Apr;
226:107-131.
PMID: 29628527
NanoSIMS C-, N-, and O-isotopic mapping of matrix in CO3.0 chondrite Dominion Range (DOM) 08006 revealed it to have in its matrix the highest abundance of presolar O-rich grains (257...
20.
Liu N, Nittler L, Alexander C, Wang J
Sci Adv
. 2018 Jan;
4(1):eaao1054.
PMID: 29376119
We have found that individual presolar silicon carbide (SiC) dust grains from supernovae show a positive correlation between Ti and Si excesses, which is attributed to the radioactive decay of...