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@ARTICLE{Cody:293202,
author = {Cody, George D. and Ade, Harald and Alexander, M. O'D. and
Araki, Tohru and Butterworth, Anna and Fleckenstein, Holger
and Flynn, George and Gilles, Mary K. and Jacobsen, Chris
and Kilcoyne, A. L. D. and Messenger, Keiko and Sandford,
Scott A. and Tyliszczak, Tolek and Westphal, Andrew J. and
Wirick, Sue and Yabuta, Hikaru},
title = {{Q}uantitative organic and light-element analysis of comet
81{P}/{W}ild 2 particles using {C}-, {N}-, and
{O}-μ-{XANES}},
journal = {Meteoritics $\&$ planetary science},
volume = {43},
number = {1-2},
issn = {1945-5100},
address = {Hoboken, NJ},
publisher = {Wiley-Blackwell},
reportid = {PUBDB-2016-00367},
pages = {353 - 365},
year = {2008},
abstract = {Synchrotron-based soft X-ray micro-analysis was performed
on particles extracted fromthe Stardust aerogel collector in
order to obtain detailed organic functional group
information on anyorganic solids captured as part of the
Principal Examination suite of analyses for samples from
comet81P/Wild 2. It is observed that cometary organic carbon
captured in aerogel is present in a number ofdifferent
manifestations and often intimately associated with
silicates. Carbon X-ray absorption nearedge structure
(XANES) spectra reveal considerable chemical complexity in
all of the organicparticles studied so far. Universally, the
comet 81P/Wild 2 organic particles contain lowconcentrations
of aromatic and/or olefinic carbon relative to aliphatic and
heteroatom-containingfunctional groups, e.g., amide,
carboxyl, and alcohol/ethers. N-XANES confirms the presence
andassignments of these functional groups. In general, the
XANES data record considerable chemicalcomplexity across the
range of organic samples currently analyzed. The atomic
ratios, N/C and O/C,derived from XANES data reveal a wide
range in heteroatom content; in all cases these
elementalratios are higher than that of primitive meteoritic
organic matter. The wide range in chemistry, bothin
elemental abundances and specific organic functional groups,
suggests that the comet 81P/Wild 2organic solids may have
multiple origins.},
ddc = {520},
typ = {PUB:(DE-HGF)16},
UT = {WOS:00},
doi = {10.1111/j.1945-5100.2008.tb00627.x},
url = {https://bib-pubdb1.desy.de/record/293202},
}