Search Results - "Schulte, Mitchell"
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The Ladder of Life Detection
Published in Astrobiology (01-11-2018)“…We describe the history and features of the Ladder of Life Detection, a tool intended to guide the design of investigations to detect microbial life within the…”
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Setting the geological scene for the origin of life and continuing open questions about its emergence
Published in Frontiers in astronomy and space sciences (05-01-2023)“…The origin of life is one of the most fundamental questions of humanity. It has been and is still being addressed by a wide range of researchers from different…”
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Venus Evolution Through Time: Key Science Questions, Selected Mission Concepts and Future Investigations
Published in Space science reviews (01-10-2023)“…In this work we discuss various selected mission concepts addressing Venus evolution through time. More specifically, we address investigations and payload…”
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Correction to: Venus Evolution Through Time: Key Science Questions, Selected Mission Concepts and Future Investigations
Published in Space science reviews (01-12-2023)Get full text
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Biogeochemical Processes at Hydrothermal Vents: Microbes and Minerals, Bioenergetics, and Carbon Fluxes
Published in Oceanography (Washington, D.C.) (01-03-2012)“…Hydrothermal vents are among the most biologically active regions of the deep ocean. However, our understanding of the limits of life in this extreme…”
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Organic Sulfur Metabolisms in Hydrothermal Environments
Published in Geobiology (01-07-2012)“…Sulfur is central to the metabolisms of many organisms that inhabit extreme environments. While biotic and abiotic cycling of organic sulfur compounds has been…”
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Calculation of the aqueous thermodynamic properties of citric acid cycle intermediates and precursors and the estimation of high temperature and pressure equation of state parameters
Published in International journal of molecular sciences (22-06-2009)“…The citric acid cycle (CAC) is the central pathway of energy transfer for many organisms, and understanding the origin of this pathway may provide insight into…”
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Organic synthesis during fluid mixing in hydrothermal systems
Published in Journal of Geophysical Research (25-11-1998)“…Hydrothermal circulation can lead to fluid mixing on any planet with liquid water and a source of heat. Aqueous fluids with differing compositions, especially…”
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The temperature dependence of the standard-state thermodynamic properties of aqueous nonelectrolytes
Published in Geochimica et cosmochimica acta (01-11-2001)Get full text
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Aqueous alteration processes in Jezero crater, Mars-implications for organic geochemistry
Published in Science (American Association for the Advancement of Science) (09-12-2022)“…The Perseverance rover landed in Jezero crater, Mars, in February 2021. We used the Scanning Habitable Environments with Raman and Luminescence for Organics…”
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Aldehydes in hydrothermal solution: standard partial molal thermodynamic properties and relative stabilities at high temperatures and pressures
Published in Geochimica et cosmochimica acta (01-08-1993)“…Aldehydes are common in a variety of geologic environments and are derived from a number of sources, both natural and anthropogenic. Experimental data for…”
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Amino-acid synthesis in carbonaceous meteorites by aqueous alteration of polycyclic aromatic hydrocarbons
Published in Nature (London) (22-02-1990)“…It has been suggested that amino acids and other organic compounds found in carbonaceous meteorites formed by aqueous alteration in the meteorite parent…”
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Report of the Joint Workshop on Induced Special Regions
Published in Life sciences in space research (01-11-2019)“…The Joint Workshop on Induced Special Regions convened scientists and planetary protection experts to assess the potential of inducing special regions through…”
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The Emergence of Life on Earth
Published in Oceanography (Washington, D.C.) (01-03-2007)“…AMONG THE MOST enduring and perplexing questions pondered by humankind are why, how, and when life began on Earth, and whether life exists elsewhere in the…”
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Thiols in hydrothermal solution: standard partial molal properties and their role in the organic geochemistry of hydrothermal environments
Published in Geochimica et cosmochimica acta (01-03-2004)“…In order to assess the potential role of organic sulfur compounds in hydrothermal systems, we use recent advances in theoretical geochemistry to estimate the…”
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Thermodynamics of Strecker synthesis in hydrothermal systems
Published in Origins of life and evolution of biospheres (01-06-1995)“…Submarine hydrothermal systems on the early Earth may have been the sites from which life emerged. The potential for Strecker synthesis to produce biomolecules…”
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Synthesis and processing of aqueous organic compounds during water/rock reactions
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Volumes of aqueous alcohols, ethers, and ketones toT = 523 K andp = 28 MPa
Published in The Journal of chemical thermodynamics (01-09-1999)“…Densities of dilute aqueous solutions of isopropanol, 1,5-pentanediol, cyclohexanol, benzyl alcohol, diethyl ether, 1,2-dimethoxyethane, acetone, and…”
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Summary and implications of reported amino acid concentrations in the Murchison meteorite
Published in Geochimica et cosmochimica acta (01-11-1990)“…A study of literature reports of the concentrations of amino acids in extracts from the Murchison meteorite shows that many of the concentration ratios are…”
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