Zobrazeno 1 - 10
of 19
pro vyhledávání: '"J. Michelle Kotler"'
Autor:
Roberto P. Anitori, Malcolm R. Walter, Ruth M. Henneberger, Charles Doc Richardson, Virginia C. Gulick, Janice L. Bishop, Lindsay A. MacKenzie, G. Berlanga, Nancy W. Hinman, Paige Morkner, Jill R. Scott, Peter L. Bergquist, J. Michelle Kotler Dettmann
Publikováno v:
American Mineralogist. 106:1237-1254
Terrestrial thermal environments can serve as analogs for subsurface environments in the search for life because they regularly host microbial communities, which may leave behind biosignatures. This study focused on an acid-sulfate hydrothermal site
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Publikováno v:
Acta Astronautica. 105:181-191
The arts offer alternative insights into reality, which are explored by science in general, and broadened by the activities conducted by the European Space Agency [4] and other space agencies. Similar to the way the members of ESA are ambassadors for
Autor:
Jill R. Scott, Nancy W. Hinman, Dawn L. Knipe, C. Doc Richardson, J. Michelle Kotler, Lindsay J. McHenry
Publikováno v:
Planetary and Space Science. 65:93-103
Craters of the Moon National Monument (COM) basalts offer a reasonable analog to martian basalts, as they have elevated iron concentrations compared to traditional terrestrial analogs. Although secondary sulfate minerals on the evaporitic regions of
Publikováno v:
Planetary and Space Science. 57:1381-1388
Recently, the prebiotic amino acid glycine has been found associated with natural jarosite samples from locations around the world. Since the discovery of jarosite on Mars, extensive research focuses on linking this mineral group with possible detect
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 102:23-29
Biomolecules, methylamine and alanine, found associated with natural jarosite samples peaked the interest of astrobiologists and planetary geologists. How the biomolecules are associated with jarosite remains unclear although the mechanism could be i
Autor:
Aaron Tenesch, Daphne L. Stoner, Beizhan Yan, Nancy W. Hinman, Jill R. Scott, Richard V. Morris, J. Michelle Kotler, Andrew Tveter
Publikováno v:
Applied Geochemistry. 24:1185-1197
The purposes of this study were to (i) document chemical and mineralogical compositions in two naturally acidic drainages over a 1 m soil profile, (ii) document organic and inorganic signatures representative of past chemical or biological processes
Publikováno v:
Geomicrobiology Journal. 25:432-440
Geomatrix-assisted laser desorption/ionization (GALDI) in conjunction with a Fourier transform ion cyclotron resonance mass spectrometer (FTICR-MS) has been employed to determine how effectively bio/organic molecules associated with the mineral thena
Publikováno v:
Astrobiology. 8:253-266
The jarosite group minerals have received increasing attention since the discovery of jarosite on the martian surface by the Mars Exploration Rover Opportunity. Given that jarosite can incorporate foreign ions within its structure, we have investigat
Publikováno v:
Geomicrobiology Journal. 24:379-385
Identification of mineral-associated biosignatures is of significance for retrieving biochemical information from geological records here on Earth and for detecting signs of life on other planets, such as Mars. An investigation using laser desorption