Showing 61 - 80 results of 479 for search '"biosignature"', query time: 0.14s Refine Results
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    Silica deposits on Mars with features resembling hot spring biosignatures at El Tatio in Chile by Steven W. Ruff, Jack D. Farmer

    Published 2016-11-01
    “…Hydrothermal deposits on Mars may provide the best opportunity to find Martian biosignatures. Ruff and Farmer report that silica structures created by biotic and abiotic process in hot springs at El Tatio, Chile resemble those found in Gusev crater, thus making it an ideal location for future missions.…”
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    Accurate Blood-Based Diagnostic Biosignatures for Alzheimer’s Disease via Automated Machine Learning by Makrina Karaglani, Krystallia Gourlia, Ioannis Tsamardinos, Ekaterini Chatzaki

    Published 2020-09-01
    “…In the present study, we analyzed publicly available high-throughput low-sample -omics datasets from studies in AD blood, by the AutoML technology Just Add Data Bio (JADBIO), to construct accurate predictive models for use as diagnostic biosignatures. Considering data from AD patients and age–sex matched cognitively healthy individuals, we produced three best performing diagnostic biosignatures specific for the presence of AD: A. …”
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    Reflected Spectroscopy of Small Exoplanets. III. Probing the UV Band to Measure Biosignature Gases by Mario Damiano, Renyu Hu, Bertrand Mennesson

    Published 2023-01-01
    “…However, this O _2 –O _3 biosignature is not detectable in the visible wavelengths for most of the time after the emergence of oxygenic photosynthesis life (i.e., Proterozoic Earth). …”
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    Planetary Science Meets Chemistry: Studying Potential Biosignature Gases in Terrestrial Exoplanet Atmospheres by Huang, Jingcheng

    Published 2023
    “…As more and more exoplanets are discovered, searching for biosignature gases is becoming one of the crucial ways to find extraterrestrial life. …”
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    Organic Carbonyls Are Poor Biosignature Gases in Exoplanet Atmospheres but May Generate Significant CO by Zhan, Zhuchang, Huang, Jingcheng, Seager, Sara, Petkowski, Janusz J, Ranjan, Sukrit

    Published 2023
    “…<jats:title>Abstract</jats:title> <jats:p>The search for signs of life beyond Earth is a crucial driving motivation of exoplanet science, fueling new work on biosignature gases in habitable exoplanet atmospheres. …”
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    Fossil Biomarkers and Biosignatures Preserved in Coprolites Reveal Carnivorous Diets in the Carboniferous Mazon Creek Ecosystem by Madison Tripp, Jasmina Wiemann, Jochen Brocks, Paul Mayer, Lorenz Schwark, Kliti Grice

    Published 2022-08-01
    “…Molecular and biosignature preservation is facilitated by rapid sedimentary encapsulation of the coprolites within days to months after egestion.…”
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    Clinical Insights into Mitochondrial Neurodevelopmental and Neurodegenerative Disorders: Their Biosignatures from Mass Spectrometry-Based Metabolomics by Haorong Li, Martine Uittenbogaard, Ling Hao, Anne Chiaramello

    Published 2021-04-01
    “…We conclude by exploring the MS-based metabolomic functional insights into their biosignatures to improve diagnostic platforms, stratify patients, and design novel targeted therapeutic strategies.…”
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    The ORIGIN Space Instrument for Detecting Biosignatures and Habitability Indicators on a Venus Life Finder Mission by Niels F. W. Ligterink, Kristina A. Kipfer, Salome Gruchola, Nikita J. Boeren, Peter Keresztes Schmidt, Coenraad P. de Koning, Marek Tulej, Peter Wurz, Andreas Riedo

    Published 2022-06-01
    “…A Venus Life Finder mission will require dedicated and specialized instruments to hunt for biosignatures and habitability indicators. In this contribution, we present the ORIGIN space instrument, a laser desorption/laser ablation ionization mass spectrometer. …”
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    Controls on Reactive Oxygen Species Cycles in Yellowstone Hot Springs: Implications for Biosignature Preservation on Mars by Nancy W. Hinman, Megan A. Mave, Leanne C. Powers, Philippe Schmitt-Kopplin, Philippe Schmitt-Kopplin, Nathalie A. Cabrol, Michael Gonsior

    Published 2022-07-01
    “…Hot spring deposits are compelling targets for exploration because of their high habitability and potential to retain morphological and chemical biosignatures. As a result in this study, we aim to better understand the potential for biosignature preservation in Fe-bearing hydrothermal systems. …”
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