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Timescales of shock processes in chondritic and martian meteorites.

Nature

Beck P, Gillet P, El Goresy A, Mostefaoui S.
PMID: 15973403
Nature. 2005 Jun 23;435(7045):1071-4. doi: 10.1038/nature03616.

The accretion of the terrestrial planets from asteroid collisions and the delivery to the Earth of martian and lunar meteorites has been modelled extensively. Meteorites that have experienced shock waves from such collisions can potentially be used to reveal...

Comet 81P/Wild 2 under a microscope.

Science (New York, N.Y.)

Brownlee D, Tsou P, Aléon J, Alexander CM, Araki T, Bajt S, Baratta GA, Bastien R, Bland P, Bleuet P, Borg J, Bradley JP, Brearley A, Brenker F, Brennan S, Bridges JC, Browning ND, Brucato JR, Bullock E, Burchell MJ, Busemann H, Butterworth A, Chaussidon M, Cheuvront A, Chi M, Cintala MJ, Clark BC, Clemett SJ, Cody G, Colangeli L, Cooper G, Cordier P, Daghlian C, Dai Z, D'Hendecourt L, Djouadi Z, Dominguez G, Duxbury T, Dworkin JP, Ebel DS, Economou TE, Fakra S, Fairey SA, Fallon S, Ferrini G, Ferroir T, Fleckenstein H, Floss C, Flynn G, Franchi IA, Fries M, Gainsforth Z, Gallien JP, Genge M, Gilles MK, Gillet P, Gilmour J, Glavin DP, Gounelle M, Grady MM, Graham GA, Grant PG, Green SF, Grossemy F, Grossman L, Grossman JN, Guan Y, Hagiya K, Harvey R, Heck P, Herzog GF, Hoppe P, Hörz F, Huth J, Hutcheon ID, Ignatyev K, Ishii H, Ito M, Jacob D, Jacobsen C, Jacobsen S, Jones S, Joswiak D, Jurewicz A, Kearsley AT, Keller LP, Khodja H, Kilcoyne AL, Kissel J, Krot A, Langenhorst F, Lanzirotti A, Le L, Leshin LA, Leitner J, Lemelle L, Leroux H, Liu MC, Luening K, Lyon I, Macpherson G, Marcus MA, Marhas K, Marty B, Matrajt G, McKeegan K, Meibom A, Mennella V, Messenger K, Messenger S, Mikouchi T, Mostefaoui S, Nakamura T, Nakano T, Newville M, Nittler LR, Ohnishi I, Ohsumi K, Okudaira K, Papanastassiou DA, Palma R, Palumbo ME, Pepin RO, Perkins D, Perronnet M, Pianetta P, Rao W, Rietmeijer FJ, Robert F, Rost D, Rotundi A, Ryan R, Sandford SA, Schwandt CS, See TH, Schlutter D, Sheffield-Parker J, Simionovici A, Simon S, Sitnitsky I, Snead CJ, Spencer MK, Stadermann FJ, Steele A, Stephan T, Stroud R, Susini J, Sutton SR, Suzuki Y, Taheri M, Taylor S, Teslich N, Tomeoka K, Tomioka N, Toppani A, Trigo-Rodríguez JM, Troadec D, Tsuchiyama A, Tuzzolino AJ, Tyliszczak T, Uesugi K, Velbel M, Vellenga J, Vicenzi E, Vincze L, Warren J, Weber I, Weisberg M, Westphal AJ, Wirick S, Wooden D, Wopenka B, Wozniakiewicz P, Wright I, Yabuta H, Yano H, Young ED, Zare RN, Zega T, Ziegler K, Zimmerman L, Zinner E, Zolensky M.
PMID: 17170289
Science. 2006 Dec 15;314(5806):1711-6. doi: 10.1126/science.1135840.

The Stardust spacecraft collected thousands of particles from comet 81P/Wild 2 and returned them to Earth for laboratory study. The preliminary examination of these samples shows that the nonvolatile portion of the comet is an unequilibrated assortment of materials...

Social-motor experience and perception-action learning bring efficiency to machines.

The Behavioral and brain sciences

Marin L, Mostafaoui G.
PMID: 29342695
Behav Brain Sci. 2017 Jan;40:e273. doi: 10.1017/S0140525X1700022X.

Lake et al. proposed a way to build machines that learn as fast as people do. This can be possible only if machines follow the human processes: the perception-action loop. People perceive and act to understand new objects or...

First in-flight synchrotron X-ray absorption and photoemission study of carbon soot nanoparticles.

Scientific reports

Ouf FX, Parent P, Laffon C, Marhaba I, Ferry D, Marcillaud B, Antonsson E, Benkoula S, Liu XJ, Nicolas C, Robert E, Patanen M, Barreda FA, Sublemontier O, Coppalle A, Yon J, Miserque F, Mostefaoui T, Regier TZ, Mitchell JA, Miron C.
PMID: 27883014
Sci Rep. 2016 Nov 24;6:36495. doi: 10.1038/srep36495.

Many studies have been conducted on the environmental impacts of combustion generated aerosols. Due to their complex composition and morphology, their chemical reactivity is not well understood and new developments of analysis methods are needed. We report the first...

Journal of applied crystallography

Ginn HM, Mostefaoui GK, Levik KE, Grimes JM, Walsh MA, Ashton AW, Stuart DI.
PMID: 25294981
J Appl Crystallogr. 2014 Sep 04;47:1781-1783. doi: 10.1107/S1600576714017531. eCollection 2014 Oct 01.

The macromolecular crystallography (MX) user experience at synchrotron radiation facilities continues to evolve, with the impact of developments in X-ray detectors, computer hardware and automation methods making it possible for complete data sets to be collected on timescales of...

In situ discovery of graphite with interstellar isotopic signatures in a chondrule-free clast in an L3 chondrite .

Science (New York, N.Y.)

Mostefaoui S, Hoppe P, El Goresy A.
PMID: 9603727
Science. 1998 May 29;280(5368):1418-20. doi: 10.1126/science.280.5368.1418.

Optical and scanning electron microscopy of a chondrule-free clast in the unequilibrated L3 chondrite Khohar revealed a spherical object consisting of an aggregate of small ( approximately 2- micrometer diameter), Ni-poor (0.5 to 2.89 weight percent) metal particles and...

Mineralogy and petrology of comet 81P/Wild 2 nucleus samples.

Science (New York, N.Y.)

Zolensky ME, Zega TJ, Yano H, Wirick S, Westphal AJ, Weisberg MK, Weber I, Warren JL, Velbel MA, Tsuchiyama A, Tsou P, Toppani A, Tomioka N, Tomeoka K, Teslich N, Taheri M, Susini J, Stroud R, Stephan T, Stadermann FJ, Snead CJ, Simon SB, Simionovici A, See TH, Robert F, Rietmeijer FJ, Rao W, Perronnet MC, Papanastassiou DA, Okudaira K, Ohsumi K, Ohnishi I, Nakamura-Messenger K, Nakamura T, Mostefaoui S, Mikouchi T, Meibom A, Matrajt G, Marcus MA, Leroux H, Lemelle L, Le L, Lanzirotti A, Langenhorst F, Krot AN, Keller LP, Kearsley AT, Joswiak D, Jacob D, Ishii H, Harvey R, Hagiya K, Grossman L, Grossman JN, Graham GA, Gounelle M, Gillet P, Genge MJ, Flynn G, Ferroir T, Fallon S, Fakra S, Ebel DS, Dai ZR, Cordier P, Clark B, Chi M, Butterworth AL, Brownlee DE, Bridges JC, Brennan S, Brearley A, Bradley JP, Bleuet P, Bland PA, Bastien R.
PMID: 17170295
Science. 2006 Dec 15;314(5806):1735-9. doi: 10.1126/science.1135842.

The bulk of the comet 81P/Wild 2 (hereafter Wild 2) samples returned to Earth by the Stardust spacecraft appear to be weakly constructed mixtures of nanometer-scale grains, with occasional much larger (over 1 micrometer) ferromagnesian silicates, Fe-Ni sulfides, Fe-Ni...

Immunopathology of early pregnancy.

Infectious diseases in obstetrics and gynecology

Chaouat G, Menu E, Mognetti B, Moussa M, Cayol V, Mostefaoui Y, Dubanchet S, Khadel P, Voluménie JL, Rongiéres CB, Delage GL.
PMID: 18476159
Infect Dis Obstet Gynecol. 1997;5(2):73-92. doi: 10.1155/S1064744997000148.

No abstract available.

Extreme deuterium excesses in ultracarbonaceous micrometeorites from central Antarctic snow.

Science (New York, N.Y.)

Duprat J, Dobrică E, Engrand C, Aléon J, Marrocchi Y, Mostefaoui S, Meibom A, Leroux H, Rouzaud JN, Gounelle M, Robert F.
PMID: 20448182
Science. 2010 May 07;328(5979):742-5. doi: 10.1126/science.1184832.

Primitive interplanetary dust is expected to contain the earliest solar system components, including minerals and organic matter. We have recovered, from central Antarctic snow, ultracarbonaceous micrometeorites whose organic matter contains extreme deuterium (D) excesses (10 to 30 times terrestrial...

Oxygen and magnesium mass-independent isotopic fractionation induced by chemical reactions in plasma.

Proceedings of the National Academy of Sciences of the United States of America

Robert F, Chaussidon M, Gonzalez-Cano A, Mostefaoui S.
PMID: 34949641
Proc Natl Acad Sci U S A. 2021 Dec 28;118(52). doi: 10.1073/pnas.2114221118.

Enrichment or depletion ranging from -40 to +100% in the major isotopes

Showing 1 to 10 of 10 entries