Search Results - "Aubrey, Andrew D."
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Development and Evaluation of a Microdevice for Amino Acid Biomarker Detection and Analysis on Mars
Published in Proceedings of the National Academy of Sciences - PNAS (25-01-2005)“…The Mars Organic Analyzer (MOA), a microfabricated capillary electrophoresis (CE) instrument for sensitive amino acid biomarker analysis, has been developed…”
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Extraterrestrial amino acids in the Almahata Sitta meteorite
Published in Meteoritics & planetary science (01-10-2010)“…– Amino acid analysis of a meteorite fragment of asteroid 2008 TC3 called Almahata Sitta was carried out using reverse‐phase liquid chromatography coupled with…”
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Organic amine biomarker detection in the Yungay region of the Atacama Desert with the Urey instrument
Published in Journal of Geophysical Research - Biogeosciences (01-12-2007)“…The Urey in situ organic compound analysis instrument, consisting of a subcritical water extractor (SCWE) and a portable microchip capillary electrophoresis…”
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Journal Article -
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Airborne methane remote measurements reveal heavy-tail flux distribution in Four Corners region
Published in Proceedings of the National Academy of Sciences - PNAS (30-08-2016)“…Methane (CH₄) impacts climate as the second strongest anthropogenic greenhouse gas and air quality by influencing tropospheric ozone levels. Space-based…”
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Journal Article -
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New insights from old bones: DNA preservation and degradation in permafrost preserved mammoth remains
Published in Nucleic acids research (01-06-2009)“…Despite being plagued by heavily degraded DNA in palaeontological remains, most studies addressing the state of DNA degradation have been limited to types of…”
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Journal Article -
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Evaluating the effects of surface properties on methane retrievals using a synthetic airborne visible/infrared imaging spectrometer next generation (AVIRIS-NG) image
Published in Remote sensing of environment (15-09-2018)“…Atmospheric methane has been increasing since the beginning of the industrial era due to anthropogenic emissions. Methane has many sources, both natural and…”
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Airborne DOAS retrievals of methane, carbon dioxide, and water vapor concentrations at high spatial resolution: application to AVIRIS-NG
Published in Atmospheric measurement techniques (19-10-2017)“…At local scales, emissions of methane and carbon dioxide are highly uncertain. Localized sources of both trace gases can create strong local gradients in its…”
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Journal Article -
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The Urey instrument: an advanced in situ organic and oxidant detector for Mars exploration
Published in Astrobiology (01-06-2008)“…The Urey organic and oxidant detector consists of a suite of instruments designed to search for several classes of organic molecules in the martian regolith…”
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Journal Article -
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High spatial resolution imaging of methane and other trace gases with the airborne Hyperspectral Thermal Emission Spectrometer (HyTES)
Published in Atmospheric measurement techniques (01-06-2016)“…Currently large uncertainties exist associated with the attribution and quantification of fugitive emissions of criteria pollutants and greenhouse gases such…”
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Journal Article -
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Characterization of anthropogenic methane plumes with the Hyperspectral Thermal Emission Spectrometer (HyTES): a retrieval method and error analysis
Published in Atmospheric measurement techniques (21-07-2016)“…We introduce a retrieval algorithm to estimate lower tropospheric methane (CH4) concentrations from the surface to 1 km with uncertainty estimates using…”
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The Airborne Methane Plume Spectrometer (AMPS): Quantitative imaging of methane plumes in real time
Published in 2016 IEEE Aerospace Conference (01-03-2016)“…The Airborne Methane Plume Spectrometer (AMPS) is a mature instrument concept that is ready for development at the Jet Propulsion Laboratory (JPL). At its core…”
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Conference Proceeding -
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Amino acid biosignatures - Implications for the detection of extinct or extant microbial communities on Mars
Published 01-01-2008“…Investigations of Mars have recently found strong geochemical evidence for the presence of standing bodies of water early in the planet's history. It still…”
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Dissertation -
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Amino acid biosignatures - Implications for the detection of extinct or extant microbial communities on Mars
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Dissertation