Search Results - "Shock, E L"

Huge Variation in H2 Generation During Seawater Alteration of Ultramafic Rocks by Ely, T. D., Leong, J. M., Canovas, P. A., Shock, E. L.

“…Water‐rock reactions liberate bioavailable energy, a necessary condition for chemotrophic habitability and origins of life. The major minerals of ultramafic…”
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Theoretical Predictions Versus Environmental Observations on Serpentinization Fluids: Lessons From the Samail Ophiolite in Oman by Leong, J. A. M., Howells, A. E., Robinson, K. J., Cox, A., Debes, R. V., Fecteau, K., Prapaipong, P., Shock, E. L.

“…Thermodynamic calculations provide valuable insights into the reactions that drive the profound fluid transformations during serpentinization, where surface…”
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Spatial and temporal variability of biomarkers and microbial diversity reveal metabolic and community flexibility in Streamer Biofilm Communities in the Lower Geyser Basin, Yellowstone National Park by Schubotz, F., Meyer-Dombard, D. R., Bradley, A. S., Fredricks, H. F., Hinrichs, K.-U., Shock, E. L., Summons, R. E.

“…Detailed analysis of 16S rRNA and intact polar lipids (IPLs) from streamer biofilm communities (SBCs), collected from geochemically similar hot springs in the…”
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Science potential from a Europa lander by Pappalardo, R T, Vance, S, Bagenal, F, Bills, B G, Blaney, D L, Blankenship, D D, Brinckerhoff, W B, Connerney, J E P, Hand, K P, Hoehler, T M, Leisner, J S, Kurth, W S, McGrath, M A, Mellon, M T, Moore, J M, Patterson, G W, Prockter, L M, Senske, D A, Schmidt, B E, Shock, E L, Smith, D E, Soderlund, K M

“…The prospect of a future soft landing on the surface of Europa is enticing, as it would create science opportunities that could not be achieved through flyby…”
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Energetics of Amino Acid Synthesis in Hydrothermal Ecosystems by Amend, J. P., Shock, E. L.

“…Thermodynamic calculations showed that the autotrophic synthesis of all 20 protein-forming amino acids was energetically favored in hot (100°C), moderately…”
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Effects of trace element concentrations on culturing thermophiles by Meyer-Dombard, D. R., Shock, E. L., Amend, J. P.

“…The majority of microorganisms in natural environments resist laboratory cultivation. Sometimes referred to as ‘unculturable’, many phylogenetic groups are…”
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Archaeal and bacterial communities in geochemically diverse hot springs of Yellowstone National Park, USA by MEYER-DOMBARD, D. R., SHOCK, E. L., AMEND, J. P.

“…ABSTRACT Microbiological and geochemical surveys were conducted at three hot springs (Obsidian Pool, Sylvan Spring, and ‘Bison Pool’) in Yellowstone National…”
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Prediction of the thermodynamic properties of aqueous metal complexes to 1000 degrees C and 5 kb by Sverjensky, D A, Shock, E L, Helgeson, H C

“…A large number of aqueous metal complexes contribute significantly to hydrothermal, metamorphic, and magmatic processes in the crust of the Earth…”
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The biological potential of Mars, the early Earth, and Europa by Jakosky, Bruce M., Shock, Everett L.

“…The potential biomass that could have existed on Mars is constrained by the total amount of energy available to construct it. From an inventory of the…”
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Organic acids in hydrothermal solutions: standard molal thermodynamic properties of carboxylic acids and estimates of dissociation constants at high temperatures and pressures by Shock, E L

“…Experimental standard partial molal volumes, heat capacities, and entropies as well as apparent standard partial molal enthalpies and Gibbs free energies of…”
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MASPEX-Europa: The Europa Clipper Neutral Gas Mass Spectrometer Investigation by Waite, J. H., Burch, J. L., Brockwell, T. G., Young, D. T., Miller, G. P., Persyn, S. C., Stone, J. M., Wilson, P., Miller, K. E., Glein, C. R., Perryman, R. S., McGrath, M. A., Bolton, S. J., McKinnon, W. B., Mousis, O., Sephton, M. A., Shock, E. L., Choukroun, M., Teolis, B. D., Wyrick, D. Y., Zolotov, M. Y., Ray, C., Magoncelli, A. L., Raffanti, R. R., Thorpe, R. L., Bouquet, A., Salter, T. L., Robinson, K. J., Urdiales, C., Tyler, Y. D., Dirks, G. J., Beebe, C. R., Fugett, D. A., Alexander, J. A., Hanley, J. J., Moorhead-Rosenberg, Z. A., Franke, K. A., Pickens, K. S., Focia, R. J., Magee, B. A., Hoeper, P. J., Aaron, D. P., Thompson, S. L., Persson, K. B., Blase, R. C., Dunn, G. F., Killough, R. L., De Los Santos, A., Rickerson, R. J., Siegmund, O. H. W.

“…The MAss Spectrometer for Planetary EXploration (MASPEX) is a high-mass-resolution, high-sensitivity, multi-bounce time-of-flight mass spectrometer (MBTOF)…”
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High-temperature life without photosynthesis as a model for Mars by Shock, E. L.

“…Discoveries in biology and developments in geochemistry over the past two decades have lead to a radical revision of concepts relating to the upper temperature…”
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Prerequisites for explosive cryovolcanism on dwarf planet-class Kuiper belt objects by Neveu, M., Desch, S.J., Shock, E.L., Glein, C.R.

“…•Gas exsolution-driven cryovolcanism is possible on Pluto and Charon.•Gas-driven cryovolcanism is less likely if a KBO retains an undifferentiated…”
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Minerals as energy sources for microorganisms by Shock, L

“…Microorganisms alter minerals for a variety of reasons, including generation of more hospitable surroundings, extraction of nutrients, and sequestration of…”
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A geochemical model for the formation of hydrothermal carbonates on Mars by Griffith, L. L., Shock, E. L.

“…It is often argued that substantially more carbon dioxide and water were degassed from the martian interior than can be found at present in the atmosphere,…”
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A thermodynamic assessment of the potential synthesis of condensed hydrocarbons during cooling and dilution of volcanic gases by Zolotov, Mikhail Y., Shock, Everett L.

“…The possibility for abiotic synthesis of condensed hydrocarbons in cooling/diluting terrestrial volcanic gases has been evaluated on the basis of the…”
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Energetics of overall metabolic reactions of thermophilic and hyperthermophilic Archaea and Bacteria by Amend, Jan P., Shock, Everett L.

“…Thermophilic and hyperthermophilic Archaea and Bacteria have been isolated from marine hydrothermal systems, heated sediments, continental solfataras, hot…”
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Hydrous Pyrolysis of Polycyclic Aromatic Hydrocarbons and Implications for the Origin of PAH in Hydrothermal Petroleum by McCollom, Thomas M, Simoneit, Bernd R. T, Shock, Everett L

“…Polycyclic aromatic hydrocarbons (PAH) are found at high concentrations in thermally altered organic matter and hydrothermally generated petroleum from…”
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An abiotic origin for hydrocarbons in the Allan Hills 84001 martian meteorite through cooling of magmatic and impact-generated gases by ZOLOTOV, Mikhail Yu, SHOCK, Everett L.

“…Thermodynamic calculations of metastable equilibria were used to evaluate the potential for abiotic synthesis of aliphatic and polycyclic aromatic hydrocarbons…”
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Microbiology and geochemistry of Little Hot Creek, a hot spring environment in the Long Valley Caldera by VICK, T.J, DODSWORTH, J.A, COSTA, K.C, SHOCK, E.L, HEDLUND, B.P

“…A culture-independent community census was combined with chemical and thermodynamic analyses of three springs located within the Long Valley Caldera, Little…”
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