Jennifer L Eigenbrode

Jennifer L Eigenbrode

  • RESEARCH AST, PLANETARY STUDIES
  • 301.614.5967
  • NASA/GSFC
  • Mail Code: 699
  • Greenbelt , MD 20771
  • Employer: NASA
  • Brief Bio

    Jennifer Eigenbrode is an interdisciplinary astrobiologist at NASA’s Goddard Space Flight Center, specializing in organic chemistry, geology, and potential biology (a.k.a. organic (bio)geochemistry) of martian and ocean-world environments. As a Sample Analysis at Mars (SAM) collaborator and participating scientist for the Mars Science Laboratory (MSL) mission, she has focused on the in situ detection and preservation of organic molecules in irradiated sediments at the martian surface. Her work aims to improve planetary mission design, contamination control, and instrument measurements that will enable the search for life beyond Earth.

     

    Current Projects

    Sample Analysis at Mars (SAM) instrument suite

    • Collaborator on the Sample Analysis at Mars (SAM) team since 2007
    • Peveloped the calibration gas on SAM, supported initial development of operational procedures, and supported strategic science discussions
    • Current involvement includes data processing, laboratory analyses to support data interpretations, and development of the thermochemolysis wet chemistry experiment (using TMAH in methanol)

    Mars Science Laboratory mission

    • Participating scientist since 2012
    • Supports mission operations (long term planner and science theme group lead)
    • Conducts research on irradiated analog materials to understand possible changes in the organic geochemistry of samples studied by the SAM instrument on the Curiosity rover

    Enceladus Life Signatures and Habitability mission concept

    • Project scientist of this mission concept that involves flying through the plume of Saturn's moon, Enceladus. In doing so, samples of material escaping the subsurface ocean of the moon would be captured for measurements of life signatures.
    • Lead Scientist for the ELSAH technology development of contamination control for life-detection missions (New Frontiers 4 award)

    Sample Processing Methods for integrated organic-detection technologies

    • This ongoing research theme involves technology developments for sample processing of rock, soils, and icy samples so that they can be analyzed by other technologies, such as gas chromatographs, mass spectrometers, etc.
    • Analyses are largely focused on measurements of organic molecules that may host signatures of biological or non-biological sources.

    Signatures of Life in Ice (SLIce) project

    • Signatures of Life in Ice (SLIce) project aims to understand the organic inventory and inorganic impurities of surface glacial ice as a means of supporting planetary missions for detecting organic materials in ice beyond Earth (mars, Enceladus, Titan, Europa, etc.)
    • Prior fieldwork was in collaboration with the Arctic Mars Analog Svalbard Expedition (AMASE).
    • Current field and lab work focuses on hydrothermal and glaical environments in Iceland.

    Positions/Employment

    2007 - Present

    Space Scientist

    NASA, Goddard Space Flight Center, Solar System Exploration Division, Planetary Environments Laboratory, Greenbelt, MD
    2004 - 2007

    Postdoctoral Fellow

    Geophysical Laboratory, Carnegie Institution of Washington, Washington, DC
    2000 - 2003

    Astrobiology Research Assistant and Fellow

    Penn State University, State College, PA
    1997 - 1998

    Shell Oil Research Fellow

    Indiana University, Bloomington, IN
    1996 - 1996

    Intern

    Shell Deepwater Development, New Orleans, LA
    1995 - 1996

    Visiting Technical Assistant

    University of Texas, Institute for Geophysics, Austin, TX
    1994 - 1995

    Consultant and Intern

    US Geological Survey, Environmental Geophysics, Golden, CO

    Education

    • Ph.D. in Geosciences (2004), Pennsylvania State University, University Park, PA, USA. Dissertation: Late Archean Microbial Ecology: An Integration of Molecular, Isotopic, and Lithologic Records.
    • M.S. in Geological Sciences (1999), Indiana University, Bloomington, IN, USA. Thesis: Late Holocene High-Resolution Terrestrial Climate Change Recorded in Sedimentary Organic Matter of Soda Lake, San Luis Obispo County, California.
    • B.S. in Geology (1994), James Madison University, Harrisonburg, VA, USA. Thesis: Clay Mineralogy of River Terrace Soils, Augusta County, Virginia.

     

    Professional Service

    • Mars Exploration Program Analysis Group Executive Committee (2018 to present)
    • Small Business Innovative Research subtopic manager (2016-present)
    • Mars Exploration Program Analysis Group Goals Committee (Goal 1) (2014-2018)
    • Science organization committee member for the Biosignatures of Extant Life on Ocean Worlds (BELOW) workshop (2016)
    • Science organization committee member for the “Rethinking Biosignatures” Workshop (a.k.a. “Agnostic Biosignatures” workshop) (2016)
    • Mars2020 Science Definition Team (2012-2013)
    • MSL Landing Site Working Group (2010-11)
    • Mars Biosignature Working Group (2009-10)
    • NASA Astrobiology Institute Strategic Science Initiative Workshop (2009)
    • Member of the Next Decadal- Science Analysis Group for Mars Sample Return, MEPAG (2007)
    • Treasurer, Geomicrobiology/Geobiology Division, Geological Society of America (2006)
    • Member of Science Directorates Council, GSFC (2007-2008)
    • Member of the Program Organization Committee for the Pale Blue Dot Workshop (2006)
    • Session Co-Chair: Interdisciplinary Research in Cold-Mars Analogue Environments at Astrobiology Science Conference, Washington, DC (2006)
    • Session Co-Chair: Earth's Carbon Cycle: Sources, Recycling Pathways, and Geochemical Evolution at AGU Spring Meeting, Baltimore (2006)
    • Member of the Scientific Organization Committee for the Astrobiology Science Conference, Washington, DC (2006)

    Awards

    • 2018 NASA Space Mission Technology Directorate Honorable Achievement for the Small Buisiness Innovation Research Program
    • 2015 NASA Group Achievement Award to the MSL prime mission science and operations team
    • 2014 NASA RHG Exceptional Achievement Outreach Team to the Astrobiology Walk Design Team
    • 2013 NASA Group Achievement Award to the MSL Science Office Development and Operations team
    • 2013 NASA Group Achievement Award to the MSL SAM Instrument Development and Science team
    • 2011 NASA Group Achievement Award to the Sample Analysis at Mars team
    • 2010 Robert H. Goddard Award for Exceptional Achievement in Science
    • 2009  NASA Goddard Innovator of the Year Award
    • 2009  NASA Goddard Distinguished Performance Award
    • 2007-2008  NASA Goddard Awards
    • 2004-2006 Carnegie Post-Doctoral Fellowship, Carnegie Institution of Washington, Geophysical Laboratory
    • 2002 Penn State Astrobiology Fellowship
    • 2001 Gerald A. Soffen Award for Student Research, NASA Astrobiology Institute
    • 2000-2004  Pennsylvania Space Grant Fellowship
    • 1999 NSF Antarctica Service Medal
    • 1998 Earth System Science Center Teaching Fellowship, Penn State University
    • 1998 Estwing Award for Outstanding Academic Achievement, Indiana University
    • 1997 Shell Oil Fellowship, Indiana University
    • 1997 Geological Society of America Outstanding Student Research Award
    • 1994 Philips Cosminski Award, James Madison University

    Selected Publications

    Refereed

    Davlia, A., C. McKay, D. Willson, J. L. Eigenbrode, and T. A. Hurford. 2018. "Follow the Plume: Organic Molecules and Habitable Conditions in the Subsurface Ocean of Enceladus." White Paper, [Full Text (Link)]

    Wilhelm, M., A. F. Davila, M. N. Parenteau, et al. L. L. Jahke, M. Abate, B. Glass, J. Wray, J. L. Eigenbrode, R. E. Summons, K. Warren-Rhodes, G. Cooper, E. T. Kelly, V. Parro García, M. G. Villadangos, and Y. Blanco. 2018. "Constraints on the Metabolic Activity of Microorganisms in Atacama Surface Soils Inferred from Refractory Biomarkers: Implications for Martian Habitability and Biomarker Detection." Astrobiology, 18 (7): 955–966 [10.1089/ast.2017.1705]

    Eigenbrode, J. L., R. E. Summons, A. Steele, et al. C. Freissinet, M. Millan, R. Navarro-González, B. Sutter, A. C. Mcadam, H. B. Franz, D. P. Glavin, P. D. Archer, P. Mahaffy, P. G. Conrad, J. A. Hurowitz, J. P. Grotzinger, S. Gupta, D. W. Ming, D. Y. Sumner, C. Szopa, C. Malespin, A. Buch, and P. Coll. 2018. "Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars." Science, 360 (6393): 1096-1101 [Full Text (Link)] [10.1126/science.aas9185]

    Webster, C. R., P. Mahaffy, S. K. Atreya, et al. J. E. Moores, G. J. Flesch, C. Malespin, C. P. McKay, G. Martinez, C. L. Smith, J. Martin-Torres, J. Gomez-Elvira, M.-P. Zorzano, M. H. Wong, M. G. Trainer, A. Steele, D. Archer, B. Sutter, P. J. Coll, C. Freissinet, P.-Y. Meslin, R. V. Gough, C. H. House, A. A. Pavlov, J. L. Eigenbrode, D. P. Glavin, J. C. Pearson, D. Keymeulen, L. E. Christensen, S. P. Schwenzer, R. Navarro-Gonzalez, J. Pla-García, S. C. Rafkin, Á. Vicente-Retortillo, H. Kahanpää, D. Viudez-Moreiras, M. D. Smith, A.-M. Harri, M. Genzer, D. M. Hassler, M. Lemmon, J. Crisp, S. P. Sander, R. W. Zurek, and A. R. Vasavada. 2018. "Background levels of methane in Mars’ atmosphere show strong seasonal variations." Science, 360 (6393): 1093-1096 [10.1126/science.aaq0131]

    Kah, L. C., K. M. Stack, J. L. Eigenbrode, R. A. Yingst, and K. S. Edgett. 2018. "Syndepositional precipitation of calcium sulfate in Gale Crater, Mars." Terra Nova, [Full Text (Link)] [10.1111/ter.12359]

    Stern, J. C., B. Sutter, P. D. Archer, et al. J. L. Eigenbrode, A. C. Mcadam, H. B. Franz, C. Knudson, D. W. Ming, G. Wong, C. Freissinet, C. A. Malespin, R. Navarro-Gonzalez, C. Szopa, and P. Mahaffy. 2018. "Major Volatiles Evolved From Eolian Materials in Gale Crater." Geophysical Research Letters, [Full Text (Link)] [10.1029/2018gl079059]

    Steele, A., L. G. Benning, R. Wirth, et al. S. Siljeström, M. D. Fries, E. Hauri, P. G. Conrad, K. Rogers, J. L. Eigenbrode, A. Schreiber, J. H. Needham, F. M. McCubbin, D. Kilcoyne, and J. Rodriguez Blanco. 2018. "Organic synthesis on Mars by electrochemical reduction of CO2." Science Advances, 4 (10): eaat5118 [Full Text (Link)] [10.1126/sciadv.aat5118]

    Wilhelm, M. B., A. F. Davila, J. L. Eigenbrode, et al. M. N. Parenteau, L. L. Jahnke, X.-L. Liu, R. E. Summons, J. J. Wray, B. N. Stamos, S. S. O’Reilly, and A. Williams. 2017. "Xeropreservation of functionalized lipid biomarkers in hyperarid soils in the Atacama Desert." Organic Geochemistry, 103: 97-104 [10.1016/j.orggeochem.2016.10.015]

    Franz, H. B., M. G. Trainer, C. A. Malespin, et al. P. R. Mahaffy, S. K. Atreya, R. H. Becker, M. Benna, P. G. Conrad, J. L. Eigenbrode, C. Freissinet, H. L. Manning, B. D. Prats, E. Raaen, and M. H. Wong. 2017. "Initial SAM Calibration Gas Experiments on Mars: Quadrupole Mass Spectrometer Results and Implications." Planetary and Space Science, [10.1016/j.pss.2017.01.014]

    Bristow, T. F., R. M. Haberle, D. F. Blake, et al. D. J. Des Marais, J. L. Eigenbrode, A. G. Fairén, J. P. Grotzinger, K. M. Stack, M. A. Mischna, E. B. Rampe, K. L. Siebach, B. Sutter, D. T. Vaniman, and A. R. Vasavada. 2017. "Low HesperianPCO2constrained from in situ mineralogical analysis at Gale Crater, Mars." Proceedings of the National Academy of Sciences, 114 (9): 2166-2170 [10.1073/pnas.1616649114]

    Sutter, B., A. C. McAdam, P. R. Mahaffy, et al. D. W. Ming, K. S. Edgett, E. B. Rampe, J. L. Eigenbrode, H. B. Franz, C. Freissinet, J. P. Grotzinger, A. Steele, C. H. House, P. D. Archer, C. A. Malespin, R. Navarro-González, J. C. Stern, J. F. Bell, F. J. Calef, R. Gellert, D. P. Glavin, L. M. Thompson, and A. S. Yen. 2017. "Evolved Gas Analyses of Sedimentary Rocks and Eolian Sediment in Gale Crater, Mars: Results of the Curiosity Rover's Sample Analysis at Mars (SAM) Instrument from Yellowknife Bay to the Namib Dune." Journal of Geophysical Research: Planets, 122: [10.1002/2016je005225]

    Rampe, E., D. Ming, D. Blake, et al. T. Bristow, S. Chipera, J. Grotzinger, R. Morris, S. Morrison, D. Vaniman, A. Yen, C. Achilles, P. Craig, D. Des Marais, R. Downs, J. Farmer, K. Fendrich, R. Gellert, R. Hazen, L. Kah, J. Morookian, T. Peretyazhko, P. Sarrazin, A. Treiman, J. Berger, J. Eigenbrode, A. Fairén, O. Forni, S. Gupta, J. Hurowitz, N. Lanza, M. Schmidt, K. Siebach, B. Sutter, and L. Thompson. 2017. "Mineralogy of an ancient lacustrine mudstone succession from the Murray formation, Gale crater, Mars." Earth and Planetary Science Letters, 471: 172-185 [10.1016/j.epsl.2017.04.021]

    Franz, H. B., A. C. McAdam, D. W. Ming, et al. C. Freissinet, P. R. Mahaffy, D. L. Eldridge, W. W. Fischer, J. P. Grotzinger, C. H. House, J. A. Hurowitz, S. M. McLennan, S. P. Schwenzer, D. T. Vaniman, P. D. Archer Jr, S. K. Atreya, P. G. Conrad, J. W. Dottin III, J. L. Eigenbrode, K. A. Farley, D. P. Glavin, S. S. Johnson, C. A. Knudson, R. V. Morris, R. Navarro-González, A. A. Pavlov, R. Plummer, E. B. Rampe, J. C. Stern, A. Steele, R. E. Summons, and B. Sutter. 2017. "Large sulfur isotope fractionations in Martian sediments at Gale crater." Nature Geoscience, [10.1038/ngeo3002]

    Miller, K. E., J. L. Eigenbrode, C. Freissinet, et al. D. P. Glavin, B. Kotrc, P. Francois, and R. E. Summons. 2016. "Potential precursor compounds for chlorohydrocarbons detected in Gale Crater, Mars, by the SAM instrument suite on the Curiosity Rover." Journal of Geophysical Research: Planets, 121 (3): 296-308 [10.1002/2015je004939]

    Farley, K., P. Martin, P. Archer, et al. S. Atreya, P. Conrad, J. Eigenbrode, A. Fairén, H. Franz, C. Freissinet, D. Glavin, P. Mahaffy, C. Malespin, D. Ming, R. Navarro-Gonzalez, and B. Sutter. 2016. "Light and variable 37Cl/35Cl ratios in rocks from Gale Crater, Mars: Possible signature of perchlorate." Earth and Planetary Science Letters, 438: 14-24 [10.1016/j.epsl.2015.12.013]

    Freissinet, C., D. P. Glavin, P. R. Mahaffy, et al. P. R. Miller, J. L. Eigenbrode, R. E. Summons, A. E. Brunner, A. Buch, C. Szopa, P. D. Archer, H. B. Franz, S. K. Atreya, W. B. Brinckerhoff, M. Cabane, P. Coll, P. C. Conrad, D. J. Des Marais, J. P. Dworkin, A. G. Fairén, P. François, J. P. Grotzinger, S. Kashyap, I. L. Kate, L. A. Leshin, C. A. Malespin, M. G. Martin, F. J. Martin-Torres, A. C. McAdam, D. W. Ming, R. Navarro-González, A. A. Pavlov, B. D. Prats, S. W. Squyres, A. Steele, J. C. Stern, D. Y. Sumner, B. Sutter, and M. P. Zorzano. 2015. "Organic molecules in the Sheepbed Mudstone, Gale Crater, Mars." Journal of Geophysical Research: Planets, 120: 495-514 [10.1002/2014JE004737 ]

    Mahaffy, P. R., C. R. Webster, J. C. Stern, et al. A. E. Brunner, S. K. Atreya, P. G. Conrad, S. Domagal-Goldman, J. L. Eigenbrode, G. J. Flesch, L. E. Christensen, H. B. Franz, C. Freissinet, D. P. Glavin, J. P. Grotzinger, J. H. Jones, L. A. Leshin, C. Malespin, A. C. McAdam, D. W. Ming, R. Navarro-Gonzalez, P. B. Niles, T. Owen, A. A. Pavlov, A. Steele, M. G. Trainer, K. H. Williford, and J. J. Wray. 2015. "The imprint of atmospheric evolution in the D/H of Hesperian clay minerals on Mars." Science, Vol 347: 412-414 [[DOI:10.1126/science.1260291]]

    Stern, J. C., B. Sutter, C. Freissinet, et al. R. Navarro-Gonzalez, C. P. McKay, P. D. Archer Jr., A. Buch, A. E. Brunner, P. Coll, J. L. Eigenbrode, A. G. Fairen, H. B. Franz, D. P. Glavin, S. Kashyap, A. C. Mcadam, D. W. Ming, A. Steele, C. Szopa, J. J. Wray, F. J. Martin-Torres, M.-P. Zorzano, P. G. Conrad, and P. R. Mahaffy. 2015. "Evidence for indigenous nitrogen in sedimentary and aeolian deposits from the Curiosity rover investigations at Gale crater, Mars." Proceedings of National Academy of Science, [10.1073/pnas.1420932112]

    Bristow, T. F., D. L. Bish, D. T. Vaniman, et al. R. V. Morris, D. F. Blake, J. P. Grotzinger, E. B. Rampe, J. A. Crisp, C. N. Achilles, D. W. Ming, B. L. Ehlmann, P. L. King, J. C. Bridges, J. L. Eigenbrode, D. Y. Sumner, S. J. Chipera, J. M. Moorokian, A. H. Treiman, S. M. Morrison, R. T. Downs, J. D. Farmer, D. D. Marais, P. Sarrazin, M. M. Floyd, M. A. Mischna, and A. C. McAdam. 2015. "The origin and implications of clay minerals from Yellowknife Bay, Gale crater, Mars." American Mineralogist, 100 (4): 824-836 [10.2138/am-2015-5077ccbyncnd]

    Miller, K. E., B. Kotrc, R. E. Summons, et al. I. Belmahdi, A. Buch, J. L. Eigenbrode, C. Freissinet, D. P. Glavin, and C. Szopa. 2015. "Evaluation of the Tenax trap in the Sample Analysis at Mars instrument suite on the Curiosity rover as a potential hydrocarbon source for chlorinated organics detected in Gale Crater." Journal of Geophysical Research: Planets, 120 (8): 1446-1459 [10.1002/2015je004825]

    Williford, K. H., T. Ushikubo, K. Lepot, et al. K. Kitajima, C. Hallmann, M. J. Spicuzza, R. Kozdon, J. L. Eigenbrode, R. E. Summons, and J. W. Valley. 2015. "Carbon and sulfur isotopic signatures of ancient life and environment at the microbial scale: Neoarchean shales and carbonates." Geobiology, 14 (2): 105-128 [10.1111/gbi.12163]

    Fries, M., A. Christou, D. Archer, et al. P. Conrad, W. Cooke, J. Eigenbrode, I. ten Kate, M. Matney, P. Niles, M. Sykes, A. Steele, and A. Treiman. 2015. "A cometary origin for martian atmospheric methane." Geochemical Perspectives Letters, 2 (1): 10-23 [10.7185/geochemlet.1602]

    Ming, D. W., P. D. Archer Jr, D. P. Glavin, et al. J. L. Eigenbrode, H. B. Franz, B. Sutter, A. E. Brunner, J. C. Stern, C. Freissinet, A. C. Mcadam, P. R. Mahaffy, M. Cabane, P. Coll, J. L. Campbell, S. K. Atreya, P. B. Niles, J. F. Bell III, D. L. Bish, W. B. Brinckerhoff, A. Buch, P. G. Conrad, D. J. Des Marais, B. L. Ehlmann, A. G. Fairen, K. Farley, G. J. Flesch, P. Francois, R. Gellert, J. A. Grant, J. P. Grotzinger, S. Gupta, K. E. Herkenhoff, J. A. Hurowitz, L. A. Leshin, K. W. Lewis, S. M. McLennan, K. E. Miller, J. Moersch, R. V. Morris, R. Navarro-Gonzalez, A. A. Pavlov, G. M. Perrett, I. Pradler, S. W. Squyres, R. E. Summons, A. Steele, E. M. Stolper, D. Y. Sumner, C. Szopa, S. Teinturier, M. G. Trainer, A. H. Treiman, D. T. Vaniman, A. R. Vasavada, C. R. Webster, J. J. Wray, and R. A. Yingst. 2014. "Volatile and Organic Compositions of Sedimentary Rocks in Yellowknife Bay, Gale Crater, Mars." Science, 343: 6169 [doi:10.1126/science.1245267]

    McAdam, A. C., H. B. Franz, B. Sutter, et al. P. D. Archer Jr, C. Freissinet, J. L. Eigenbrode, D. W. Ming, S. K. Atreya, D. L. Bish, D. F. Blake, H. E. Bower, A. Brunner, A. Buch, D. P. Glavin, J. P. Grotzinger, P. R. Mahaffy, S. M. McLennan, R. V. Morris, R. Navarro-Gonzalez, E. B. Rampe, S. W. Squyres, A. Steele, J. C. Stern, D. Y. Sumner, and J. J. Wray. 2014. "Sulfur-bearing Phases Detected by Evolved Gas Analysis of the Rocknest Aeolian Deposit, Gale Crater." J. Geophys. Res., 119: 373-393 [10.1002/2013JE004518]

    Archer, P. D., H. B. Franz, B. Sutter, et al. R. D. Arevalo Jr, P. Coll, J. L. Eigenbrode, D. P. Glavin, J. J. Jones, L. A. Leshin, P. Mahaffy, A. C. Mcadam, C. P. McKay, D. W. Ming, R. V. Morris, R. Navarro-González, P. B. Niles, A. Pavlov, S. W. Squyres, J. C. Stern, A. Steele, and J. J. Wray. 2014. "Abundances and Implications of Volatile-bearing Species from Evolved Gas Analysis of the Rocknest Aeolian Deposit, Gale Crater, Mars." Journal of Geophysical Research: Planets, 119: 237-254 [10.1002/2013JE004493]

    Glavin, D. P., C. Freissinet, C. Miller, et al. J. L. Eigenbrode, A. E. Brunner, A. Buch, B. Sutter, P. D. Archer, S. K. Atreya, W. B. Brinckerhoff, M. Cabane, P. Coll, P. G. Conrad, D. Coscia, J. P. Dworkin, H. B. Franz, J. P. Grotzinger, L. A. Leshin, M. G. Martin, C. McKay, D. W. Ming, R. Navarro-González, A. Pavlov, A. Steele, R. E. Summons, C. Szopa, S. Teinturier, and P. R. Mahaffy. 2013. "Evidence for perchlorates and the origin of chlorinated hydrocarbons detected by SAM at the Rocknest aeolian deposit in Gale Crater ." Journal of Geophysical Research: Planets , 118: 1955-1973 [10.1002/jgre.20144]

    Leshin, L. A., P. R. Mahaffy, C. R. Webster, et al. M. Cabane, P. Coll, P. G. Conrad, P. D. Archer Jr, S. K. Atreya, A. E. Brunner, A. Buch, J. L. Eigenbrode, G. J. Flesch, H. B. Franz, C. Freissinet, D. P. Glavin, A. C. McAdam, K. E. Miller, D. W. Ming, R. V. Morris, R. Navarro-Gonzalez, P. B. Niles, T. Owen, R. O. Pepin, S. Squyres, A. Steele, J. C. Stern, R. E. Summons, D. Y. Sumner, B. Sutter, C. Szopa, S. Teinturier, M. G. Trainer, J. J. Wray, and J. P. Grotzinger. 2013. "Volatile, Isotope, and Organic Analysis of Martian Fines with the Mars Curiosity Rover." Science, 341: 6153 [10.1126/science.1238937]

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    Fehr, M. A., M. Rehkämper, A. N. Halliday, et al. U. Wiechert, B. Hattendorf, D. Günther, S. Ono, J. L. Eigenbrode, and D. Rumble. 2005. "Tellurium isotopic composition of the early solar system—A search for effects resulting from stellar nucleosynthesis, 126Sn decay, and mass-independent fractionation." Geochimica et Cosmochimica Acta, 69 (21): 5099-5112 [10.1016/j.gca.2005.04.020]

    Ono, S., J. L. Eigenbrode, A. A. Pavlov, et al. P. Kharecha, D. Rumble, J. F. Kasting, and K. H. Freeman. 2003. "New insights into Archean sulfur cycle from mass-independent sulfur isotope records from the Hamersley Basin, Australia." Earth and Planetary Science Letters, 213 (1-2): 15-30 [10.1016/S0012-821X(03)00295-4]

    Pavlov, A. A., J. F. Kasting, J. L. Eigenbrode, and K. H. Freeman. 2001. "Organic haze in Earth's early atmosphere: Source of low-13C Late Archean kerogens?" Geology, 29 (11): 1003 [10.1130/0091-7613(2001)029<1003:ohiese>2.0.co;2]

    Basu, A., and J. L. Eigenbrode. 1998. "A laboratory exercise on cratering in a geology course for non-science majors." Journal of Geoscience Education, 46: 164-168.

    Non-Refereed

    Willis, P., W. B. Brinckerhoff, A. Ricco, et al. S. A. Getty, J. Chapman, J. Creamer, F. Mora, K. Zacny, D. P. Glavin, J. L. Eigenbrode, P. Mahaffy, B. Christner, R. Quinn, and T. Hoehler. 2018. "A universal approach in the search for life at the molecular level." A White Paper in response to the ASTROBIOLOGY SCIENCE STRATEGY FOR THE SEARCH FOR LIFE IN THE UNIVERSE

    Lewis, J. M., J. L. Eigenbrode, A. C. Mcadam, et al. S. Andrejkovicova, C. Knudson, G. Wong, M. Millan, C. Freissinet, C. Szopa, X. Li, and D. M. Bower. 2017. "The Preservation and Detection of Organic Matter within Jarosite." AGU Fall Meeting [Full Text (Link)]

    Hamilton, V. E., T. Hoehler, J. L. Eigenbrode, et al. S. Rafkin, P. Withers, S. Ruff, R. A. Yingst, D. Lim, R. Whitley, D. W. Beaty, S. Diniega, L. Hays, and R. Zurek. 2015. "MEPAG (2015), Mars Science Goals, Objectives, Investigations, and Priorities: 2015 Version." Mars Exploration Program Analysis Group (MEPAG) 74 [Full Text (Link)]

    Eigenbrode, J. L., H. Bower, and D. P. Archer. 2014. "Decarboxylation of Carbon Compounds as a Potential Source for CO2 and CO Observed by SAM at Yellowknife Bay, Gale Crater, Mars." Lunar and Planetary Science Conference [Full Text (Link)]

    Thronson, H. A., A. Valinia, J. E. Bleacher, et al. J. L. Eigenbrode, J. B. Garvin, and N. E. Petro. 2014. "Low-Latency Science Exploration of Planetary Bodies: How ISS might be used as part of a Low-Latency Analog Campaign for Human Exploration." American Institute of Aeronautics and Astronautics (AIAA) [Full Text (Link)]

    Eigenbrode, J. L., D. P. Glavin, P. Coll, et al. R. E. Summons, P. Mahaffy, D. Archer, A. Brunner, and Et al.. 2013. "Detection of Organic Constituents Including Chloromethylpropene in the Analyses of the Rocknest Drift by Sample Analysis at Mars (SAM)." Lunar and Planetary Science Conference [Full Text (Link)]

    Eigenbrode, J. L., A. C. Mcadam, H. B. Franz, et al. C. Freissinet, H. Bower, M. Floyd, P. G. Conrad, P. Mahaffy, J. Feldman, and J. A. Hurowitz. 2013. "Fluorocarbon Contamination from the Drill on the Mars Science Laboratory: Potential Science Impact on Detecting Martian Organics by Sample Analysis at Mars (SAM)." 44th Lunar and Planetary Science Conference [Full Text (Link)]

    Mustard, J. F., M. Adler, A. Allwood, et al. D. S. Bass, D. W. Beaty, J. F. Bell III, W. B. Brinckerhoff, M. Carr, D. J. Des Marais, B. Drake, K. S. Edgett, J. L. Eigenbrode, L. T. Elkins-Tanton, J. A. Grant, S. M. Milkovich, D. W. Ming, C. Moore, S. Murchie, T. C. Onstott, S. W. Ruff, M. A. Sephton, A. Steele, and A. Treiman. 2013. "Report of the Mars 2020 Science Definition Team." Mars Exploration Program Analysis Group (MEPAG) [Full Text (Link)]

    Conrad, P. G., and J. L. Eigenbrode. 2011. "Upheaval Dome, An Analogue Site for Gale Crater." Analogue Sites for Mars Missions Workshop [Full Text (Link)]

    Conrad, P. G., J. L. Eigenbrode, P. Mahaffy, and A. Steele. 2011. "Environmental Signatures for Habitability: What to Measure and How to Rank the Habitability Potential of Mars." Exploring Mars Habitability [Full Text (Link)]

    Eigenbrode, J. L., D. P. Glavin, J. P. Dworkin, P. G. Conrad, and P. Mahaffy. 2011. "Thermochemolysis: A New Sample Preparation Approach for the Detection of Organic Components of Complex Macromolecules in Mars Rocks via Gas Chromatography Mass Spectrometry in SAM on MSL." 42nd Lunar and Planetary Science Conference [Full Text (Link)]

    Hurowitz, J., J. Abelson, A. Allwood, et al. R. Anderson, B. Atkinson, D. Beaty, T. Bristow, B. Ehlmann, J. L. Eigenbrode, and J. Grotzinger. 2011. "Using the Abitibi Greenstone Belt to Understand Martian Hydrothermal Systems and the Potential for Biosignature Preservation in High Temperature Aqueous Environments." American Geophysical Union (AGU) meeting [Full Text (Link)]

    Pavlov, A. A., D. P. Glavin, J. L. Eigenbrode, et al. A. K. Pavlov, C. S. Johnson, and P. Mahaffy. 2010. "Laboratory Studies of the Liquid Water Content and the Degradation Rates of Organic Biomarkers in the Shallow Martian Subsurface." Astrobiology Science Conference

    Eigenbrode, J. L., L. Benning, D. Tobler, et al. J.-D. Rodriguez Blanco, M. Fogel, M. Callahan, J. P. Dworkin, M. Glamoclija, D. P. Glavin, L. Kerr, A. Kish, P. Mahaffy, A. C. Mcadam, A. Steele, M. Voytek, and H. Amundsen. 2010. "Organic biosignatures and habitat features of near-surface glacial ice in Svalbard." Astrobiology Science Conference 2010 [Full Text (Link)]

    Mcadam, A. C., P. R. Mahaffy, D. F. Blake, et al. D. W. Ming, H. B. Franz, J. L. Eigenbrode, A. Steele, and AMASE 2009 Team. 2010. "Evolved Gas Analysis and X-ray Diffraction of Carbonate Samples from the 2009 Arctic Mars Analog Svalbard Expedition: Implications for Mineralogical Inferences from the Mars Science Laboratory." LPS XLI Abstract #2206:

    Eigenbrode, J. L., M. A. Meyer, and V. Hipkin. 2010. "Environments and Life: What Do We Know? How Can We Learn from Analogs? ." American Geophysical Union Fall Meeting

    Tobler, D., L. Benning, J. L. Eigenbrode, M. L. Fogel, and M. Glamoclija. 2009. "Signatures of Life in Ice (SLIce): An analog study for in-situ detection of biosignatures elsewhere." 14th Annual V.M. Goldschmidt Meeting

    Younse, P., A. Stroupe, T. Huntsberger, et al. M. Garrett, J. L. Eigenbrode, L. G. Benning, M. Fogel, and A. Steele. 2009. "Sample acquisition and caching using detachable scoops for mars sample return." 2009 IEEE Aerospace conference [10.1109/aero.2009.4839312]

    Des Marais, D. J., L. E. Borg, D. W. Beaty, J. L. Eigenbrode, and Et al.. 2008. "MEPAG Next Decade Science Analysis Group (ND-SAG): Science Priorities for Mars Sample Return." Astrobiology 8: 489-535 [Full Text (Link)] [10.1089/ast.2008.0759]

    Morrill, P.-L., O. J. Johnson, J. Cotton, et al. J. L. Eigenbrode, K. H. Nelson, M. Fogel, and B. Sherwood Lollar. 2008. "Isotopic evidence of microbial methane in ultrabasic reducing waters at a continental site of active serpentinization in N. California." Geochimica Act Cosmochimica Acta Supplement 72: A652.

    Fogel, M. L., L. Benning, P. G. Conrad, and J. L. Eigenbrode. 2007. "Biogeochemistry and nitrogen cycling in an Arctic, volcanic ecosystem." American Geophysical Union Fall Meeting

    Fries, M., J. L. Eigenbrode, M. L. Fogel, et al. A. Steele, V. Starke, and H. Amundsen. 2006. "Biosignatures of arctic endolithic organisms from different rock types." Astrobiology Science Conference

    Talks, Presentations and Posters

    Invited

    Organic Matter Preserved in 3-Billion- Year-Old Lacustrine Mudstones at Gale Crater, Mars

    7 / 2018

    COSPAR Pasadena, CA

    Enabling the Search for Recent Life on Mars and Ocean Worlds

    5 / 2018

    Space Exploration Sector Colloquium, Applied Physics Laboratory, Johns Hopkins University

    Preservation of biotic/abiotic signatures beyond Earth

    3 / 2018

    Presented to the National Academy of Science, Astrobiology Science Strategy for the Search for Life in the Universe Committee

    Life Detection

    7 / 2017

    Presented to the Planetary Decadal Survey Mid-Term Review Committee, National Academy of Science

    In Situ Life Detection

    7 / 2017

    National Research Council Meeting of Experts on Organic Contamination

    In Situ Detection of Organics on Mars

    12 / 2016

    National Academy of Science, Space Studies Board, Searching for Life Across Time and Space Workshop

    The Quest for Organic Carbon on Mars

    1 / 2010

    Gordon Research Conference on the Origin of Life, Galveston, Texas

    Other

    Searching for Life in an Ocean World: The Enceladus Life Signatures and Habitability (ELSAH) mission concept

    7 / 2018

    COSPAR Pasadena, CA

    Martian subsurface ice science investigation with a special regions drill

    5 / 2018

    presented at the 36th MEPAG meeting

    Preservation of organic matter on Mars by sulfur

    12 / 2016

    American Geophysical Union Fall Meeting talk

    Deltas on Earth and Mars: An environment for deposition and preservation of organic matter and biosignatures

    6 / 2016

    Biosignature Preservation and Detection in Mars Analog Environments conference talk

    Evidence of refractory organic matter preserved in the mudstones of Yellowknife Bay and the Murray Formations

    12 / 2015

    American Geophysical Union Fall Meeting talk

    The Effects of Proton Ionizing Radiation on Organic Matter in Martian Surface Sediments

    5 / 2015

    AbSciCon 2015 talk

    Decarboxylation of carbon compounds as a potential source for CO2 observed by SAM at Yellowknife Bay, Gale Crater, Mars

    3 / 2014

    LPSC poster

    Teflon contamination from the drill on the MSL Curiosity rover: Potential science impact on detecting martian organics by Sample Analysis at Mars (SAM)

    3 / 2013

    LPSC poster

    Detection of organic constituents including chloromethylpropene in the analyses of the Rocknest drift by Sample Analysis at Mars (SAM)

    3 / 2013

    LPSC poster

    Thermochemolysis - Anew sample preparation approach for the detection of organic components of complex macromolecules in Mars rocks via gas chromatography mass spectrometry in SAM on MSL

    3 / 2011

    LPSC poster

    Organic biosignatures and habitat features of near-surface glacial ice in Svalbard

    2010

    AbSciCon 2010 talk

    Biosignatures of arctic endolithic organisms from different rock types

    2006

    AbSciCon 2006 talk

    The Preservation of Molecular Biomarkers for Billions of Years

    2003

    AbSciCon 2003

    Late Archean biomarkers in carbonates from the Hamersley Basin, Pilbara Craton, Western Australia

    2001

    General Meeting of the NASA Astrobiology Institute

    Sedimentological and carbon-isotopic records of late Holocene climate in the sediments of Soda Lake, Carrizo Plain, California

    1999

    Geological Society of America Annual Meeting talk

    Selected Public Outreach

    Is there time to live on Mars? 10 / 2015 - 2015
    https://www.chicagoideas.com/videos/is-there-time-to-live-on-mars

    Chicago Ideas Week, Edison Talks, 

    Mars System Reconnaissance Panel 5 / 2018 - 2018
    https://h2m.exploremars.org/

    Humans to Mars Summit 2018

    Are we alone? 2016 - 2016

    International Society of Barristers

    Brief Bio

    Jennifer Eigenbrode is an interdisciplinary astrobiologist at NASA’s Goddard Space Flight Center, specializing in organic chemistry, geology, and potential biology (a.k.a. organic (bio)geochemistry) of martian and ocean-world environments. As a Sample Analysis at Mars (SAM) collaborator and participating scientist for the Mars Science Laboratory (MSL) mission, she has focused on the in situ detection and preservation of organic molecules in irradiated sediments at the martian surface. Her work aims to improve planetary mission design, contamination control, and instrument measurements that will enable the search for life beyond Earth.

     

    Selected Publications

    Refereed

    Davlia, A., C. McKay, D. Willson, J. L. Eigenbrode, and T. A. Hurford. 2018. "Follow the Plume: Organic Molecules and Habitable Conditions in the Subsurface Ocean of Enceladus." White Paper [Full Text (Link)]

    Wilhelm, M., A. F. Davila, M. N. Parenteau, et al. L. L. Jahke, M. Abate, B. Glass, J. Wray, J. L. Eigenbrode, R. E. Summons, K. Warren-Rhodes, G. Cooper, E. T. Kelly, V. Parro García, M. G. Villadangos, and Y. Blanco. 2018. "Constraints on the Metabolic Activity of Microorganisms in Atacama Surface Soils Inferred from Refractory Biomarkers: Implications for Martian Habitability and Biomarker Detection." Astrobiology 18 (7): 955–966 [10.1089/ast.2017.1705]

    Eigenbrode, J. L., R. E. Summons, A. Steele, et al. C. Freissinet, M. Millan, R. Navarro-González, B. Sutter, A. C. Mcadam, H. B. Franz, D. P. Glavin, P. D. Archer, P. Mahaffy, P. G. Conrad, J. A. Hurowitz, J. P. Grotzinger, S. Gupta, D. W. Ming, D. Y. Sumner, C. Szopa, C. Malespin, A. Buch, and P. Coll. 2018. "Organic matter preserved in 3-billion-year-old mudstones at Gale crater, Mars." Science 360 (6393): 1096-1101 [Full Text (Link)] [10.1126/science.aas9185]

    Webster, C. R., P. Mahaffy, S. K. Atreya, et al. J. E. Moores, G. J. Flesch, C. Malespin, C. P. McKay, G. Martinez, C. L. Smith, J. Martin-Torres, J. Gomez-Elvira, M.-P. Zorzano, M. H. Wong, M. G. Trainer, A. Steele, D. Archer, B. Sutter, P. J. Coll, C. Freissinet, P.-Y. Meslin, R. V. Gough, C. H. House, A. A. Pavlov, J. L. Eigenbrode, D. P. Glavin, J. C. Pearson, D. Keymeulen, L. E. Christensen, S. P. Schwenzer, R. Navarro-Gonzalez, J. Pla-García, S. C. Rafkin, Á. Vicente-Retortillo, H. Kahanpää, D. Viudez-Moreiras, M. D. Smith, A.-M. Harri, M. Genzer, D. M. Hassler, M. Lemmon, J. Crisp, S. P. Sander, R. W. Zurek, and A. R. Vasavada. 2018. "Background levels of methane in Mars’ atmosphere show strong seasonal variations." Science 360 (6393): 1093-1096 [10.1126/science.aaq0131]

    Kah, L. C., K. M. Stack, J. L. Eigenbrode, R. A. Yingst, and K. S. Edgett. 2018. "Syndepositional precipitation of calcium sulfate in Gale Crater, Mars." Terra Nova [Full Text (Link)] [10.1111/ter.12359]

    Stern, J. C., B. Sutter, P. D. Archer, et al. J. L. Eigenbrode, A. C. Mcadam, H. B. Franz, C. Knudson, D. W. Ming, G. Wong, C. Freissinet, C. A. Malespin, R. Navarro-Gonzalez, C. Szopa, and P. Mahaffy. 2018. "Major Volatiles Evolved From Eolian Materials in Gale Crater." Geophysical Research Letters [Full Text (Link)] [10.1029/2018gl079059]

    Steele, A., L. G. Benning, R. Wirth, et al. S. Siljeström, M. D. Fries, E. Hauri, P. G. Conrad, K. Rogers, J. L. Eigenbrode, A. Schreiber, J. H. Needham, F. M. McCubbin, D. Kilcoyne, and J. Rodriguez Blanco. 2018. "Organic synthesis on Mars by electrochemical reduction of CO2." Science Advances 4 (10): eaat5118 [Full Text (Link)] [10.1126/sciadv.aat5118]

    Wilhelm, M. B., A. F. Davila, J. L. Eigenbrode, et al. M. N. Parenteau, L. L. Jahnke, X.-L. Liu, R. E. Summons, J. J. Wray, B. N. Stamos, S. S. O’Reilly, and A. Williams. 2017. "Xeropreservation of functionalized lipid biomarkers in hyperarid soils in the Atacama Desert." Organic Geochemistry 103 97-104 [10.1016/j.orggeochem.2016.10.015]

    Franz, H. B., M. G. Trainer, C. A. Malespin, et al. P. R. Mahaffy, S. K. Atreya, R. H. Becker, M. Benna, P. G. Conrad, J. L. Eigenbrode, C. Freissinet, H. L. Manning, B. D. Prats, E. Raaen, and M. H. Wong. 2017. "Initial SAM Calibration Gas Experiments on Mars: Quadrupole Mass Spectrometer Results and Implications." Planetary and Space Science [10.1016/j.pss.2017.01.014]

    Bristow, T. F., R. M. Haberle, D. F. Blake, et al. D. J. Des Marais, J. L. Eigenbrode, A. G. Fairén, J. P. Grotzinger, K. M. Stack, M. A. Mischna, E. B. Rampe, K. L. Siebach, B. Sutter, D. T. Vaniman, and A. R. Vasavada. 2017. "Low HesperianPCO2constrained from in situ mineralogical analysis at Gale Crater, Mars." Proceedings of the National Academy of Sciences 114 (9): 2166-2170 [10.1073/pnas.1616649114]

    Sutter, B., A. C. McAdam, P. R. Mahaffy, et al. D. W. Ming, K. S. Edgett, E. B. Rampe, J. L. Eigenbrode, H. B. Franz, C. Freissinet, J. P. Grotzinger, A. Steele, C. H. House, P. D. Archer, C. A. Malespin, R. Navarro-González, J. C. Stern, J. F. Bell, F. J. Calef, R. Gellert, D. P. Glavin, L. M. Thompson, and A. S. Yen. 2017. "Evolved Gas Analyses of Sedimentary Rocks and Eolian Sediment in Gale Crater, Mars: Results of the Curiosity Rover's Sample Analysis at Mars (SAM) Instrument from Yellowknife Bay to the Namib Dune." Journal of Geophysical Research: Planets 122 [10.1002/2016je005225]

    Rampe, E., D. Ming, D. Blake, et al. T. Bristow, S. Chipera, J. Grotzinger, R. Morris, S. Morrison, D. Vaniman, A. Yen, C. Achilles, P. Craig, D. Des Marais, R. Downs, J. Farmer, K. Fendrich, R. Gellert, R. Hazen, L. Kah, J. Morookian, T. Peretyazhko, P. Sarrazin, A. Treiman, J. Berger, J. Eigenbrode, A. Fairén, O. Forni, S. Gupta, J. Hurowitz, N. Lanza, M. Schmidt, K. Siebach, B. Sutter, and L. Thompson. 2017. "Mineralogy of an ancient lacustrine mudstone succession from the Murray formation, Gale crater, Mars." Earth and Planetary Science Letters 471 172-185 [10.1016/j.epsl.2017.04.021]

    Franz, H. B., A. C. McAdam, D. W. Ming, et al. C. Freissinet, P. R. Mahaffy, D. L. Eldridge, W. W. Fischer, J. P. Grotzinger, C. H. House, J. A. Hurowitz, S. M. McLennan, S. P. Schwenzer, D. T. Vaniman, P. D. Archer Jr, S. K. Atreya, P. G. Conrad, J. W. Dottin III, J. L. Eigenbrode, K. A. Farley, D. P. Glavin, S. S. Johnson, C. A. Knudson, R. V. Morris, R. Navarro-González, A. A. Pavlov, R. Plummer, E. B. Rampe, J. C. Stern, A. Steele, R. E. Summons, and B. Sutter. 2017. "Large sulfur isotope fractionations in Martian sediments at Gale crater." Nature Geoscience [10.1038/ngeo3002]

    Miller, K. E., J. L. Eigenbrode, C. Freissinet, et al. D. P. Glavin, B. Kotrc, P. Francois, and R. E. Summons. 2016. "Potential precursor compounds for chlorohydrocarbons detected in Gale Crater, Mars, by the SAM instrument suite on the Curiosity Rover." Journal of Geophysical Research: Planets 121 (3): 296-308 [10.1002/2015je004939]

    Farley, K., P. Martin, P. Archer, et al. S. Atreya, P. Conrad, J. Eigenbrode, A. Fairén, H. Franz, C. Freissinet, D. Glavin, P. Mahaffy, C. Malespin, D. Ming, R. Navarro-Gonzalez, and B. Sutter. 2016. "Light and variable 37Cl/35Cl ratios in rocks from Gale Crater, Mars: Possible signature of perchlorate." Earth and Planetary Science Letters 438 14-24 [10.1016/j.epsl.2015.12.013]

    Freissinet, C., D. P. Glavin, P. R. Mahaffy, et al. P. R. Miller, J. L. Eigenbrode, R. E. Summons, A. E. Brunner, A. Buch, C. Szopa, P. D. Archer, H. B. Franz, S. K. Atreya, W. B. Brinckerhoff, M. Cabane, P. Coll, P. C. Conrad, D. J. Des Marais, J. P. Dworkin, A. G. Fairén, P. François, J. P. Grotzinger, S. Kashyap, I. L. Kate, L. A. Leshin, C. A. Malespin, M. G. Martin, F. J. Martin-Torres, A. C. McAdam, D. W. Ming, R. Navarro-González, A. A. Pavlov, B. D. Prats, S. W. Squyres, A. Steele, J. C. Stern, D. Y. Sumner, B. Sutter, and M. P. Zorzano. 2015. "Organic molecules in the Sheepbed Mudstone, Gale Crater, Mars." Journal of Geophysical Research: Planets 120 495-514 [10.1002/2014JE004737 ]

    Mahaffy, P. R., C. R. Webster, J. C. Stern, et al. A. E. Brunner, S. K. Atreya, P. G. Conrad, S. Domagal-Goldman, J. L. Eigenbrode, G. J. Flesch, L. E. Christensen, H. B. Franz, C. Freissinet, D. P. Glavin, J. P. Grotzinger, J. H. Jones, L. A. Leshin, C. Malespin, A. C. McAdam, D. W. Ming, R. Navarro-Gonzalez, P. B. Niles, T. Owen, A. A. Pavlov, A. Steele, M. G. Trainer, K. H. Williford, and J. J. Wray. 2015. "The imprint of atmospheric evolution in the D/H of Hesperian clay minerals on Mars." Science Vol 347 412-414 [[DOI:10.1126/science.1260291]]

    Stern, J. C., B. Sutter, C. Freissinet, et al. R. Navarro-Gonzalez, C. P. McKay, P. D. Archer Jr., A. Buch, A. E. Brunner, P. Coll, J. L. Eigenbrode, A. G. Fairen, H. B. Franz, D. P. Glavin, S. Kashyap, A. C. Mcadam, D. W. Ming, A. Steele, C. Szopa, J. J. Wray, F. J. Martin-Torres, M.-P. Zorzano, P. G. Conrad, and P. R. Mahaffy. 2015. "Evidence for indigenous nitrogen in sedimentary and aeolian deposits from the Curiosity rover investigations at Gale crater, Mars." Proceedings of National Academy of Science [10.1073/pnas.1420932112]

    Bristow, T. F., D. L. Bish, D. T. Vaniman, et al. R. V. Morris, D. F. Blake, J. P. Grotzinger, E. B. Rampe, J. A. Crisp, C. N. Achilles, D. W. Ming, B. L. Ehlmann, P. L. King, J. C. Bridges, J. L. Eigenbrode, D. Y. Sumner, S. J. Chipera, J. M. Moorokian, A. H. Treiman, S. M. Morrison, R. T. Downs, J. D. Farmer, D. D. Marais, P. Sarrazin, M. M. Floyd, M. A. Mischna, and A. C. McAdam. 2015. "The origin and implications of clay minerals from Yellowknife Bay, Gale crater, Mars." American Mineralogist 100 (4): 824-836 [10.2138/am-2015-5077ccbyncnd]

    Miller, K. E., B. Kotrc, R. E. Summons, et al. I. Belmahdi, A. Buch, J. L. Eigenbrode, C. Freissinet, D. P. Glavin, and C. Szopa. 2015. "Evaluation of the Tenax trap in the Sample Analysis at Mars instrument suite on the Curiosity rover as a potential hydrocarbon source for chlorinated organics detected in Gale Crater." Journal of Geophysical Research: Planets 120 (8): 1446-1459 [10.1002/2015je004825]

    Williford, K. H., T. Ushikubo, K. Lepot, et al. K. Kitajima, C. Hallmann, M. J. Spicuzza, R. Kozdon, J. L. Eigenbrode, R. E. Summons, and J. W. Valley. 2015. "Carbon and sulfur isotopic signatures of ancient life and environment at the microbial scale: Neoarchean shales and carbonates." Geobiology 14 (2): 105-128 [10.1111/gbi.12163]

    Fries, M., A. Christou, D. Archer, et al. P. Conrad, W. Cooke, J. Eigenbrode, I. ten Kate, M. Matney, P. Niles, M. Sykes, A. Steele, and A. Treiman. 2015. "A cometary origin for martian atmospheric methane." Geochemical Perspectives Letters 2 (1): 10-23 [10.7185/geochemlet.1602]

    Ming, D. W., P. D. Archer Jr, D. P. Glavin, et al. J. L. Eigenbrode, H. B. Franz, B. Sutter, A. E. Brunner, J. C. Stern, C. Freissinet, A. C. Mcadam, P. R. Mahaffy, M. Cabane, P. Coll, J. L. Campbell, S. K. Atreya, P. B. Niles, J. F. Bell III, D. L. Bish, W. B. Brinckerhoff, A. Buch, P. G. Conrad, D. J. Des Marais, B. L. Ehlmann, A. G. Fairen, K. Farley, G. J. Flesch, P. Francois, R. Gellert, J. A. Grant, J. P. Grotzinger, S. Gupta, K. E. Herkenhoff, J. A. Hurowitz, L. A. Leshin, K. W. Lewis, S. M. McLennan, K. E. Miller, J. Moersch, R. V. Morris, R. Navarro-Gonzalez, A. A. Pavlov, G. M. Perrett, I. Pradler, S. W. Squyres, R. E. Summons, A. Steele, E. M. Stolper, D. Y. Sumner, C. Szopa, S. Teinturier, M. G. Trainer, A. H. Treiman, D. T. Vaniman, A. R. Vasavada, C. R. Webster, J. J. Wray, and R. A. Yingst. 2014. "Volatile and Organic Compositions of Sedimentary Rocks in Yellowknife Bay, Gale Crater, Mars." Science 343 6169 [doi:10.1126/science.1245267]

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    Mahaffy, P. R., C. R. Webster, M. Cabane, et al. P. G. Conrad, P. Coll, S. K. Atreya, R. Arvey, M. Barciniak, M. Benna, L. Bleacher, W. B. Brinckerhoff, J. L. Eigenbrode, D. Carignan, M. Cascia, R. A. Chalmers, J. P. Dworkin, T. Errigo, P. Everson, H. Franz, R. Farley, S. Feng, G. Frazier, C. Freissinet, D. P. Glavin, D. N. Harpold, D. Hawk, V. Holmes, C. S. Johnson, A. Jones, P. Jordan, J. Kellogg, J. Lewis, E. Lyness, C. A. Malespin, D. K. Martin, J. Maurer, A. C. McAdam, D. McLennan, T. J. Nolan, M. Noriega, A. A. Pavlov, B. Prats, E. Raaen, O. Sheinman, D. Sheppard, J. Smith, J. C. Stern, F. Tan, M. Trainer, D. W. Ming, R. V. Morris, J. Jones, C. Gundersen, A. Steele, J. Wray, O. Botta, L. A. Leshin, T. Owen, S. Battel, B. M. Jakosky, H. Manning, S. Squyres, R. Navarro-González, C. P. McKay, F. Raulin, R. Sternberg, A. Buch, P. Sorensen, R. Kline-Schoder, D. Coscia, C. Szopa, S. Teinturier, C. Baffes, J. Feldman, G. Flesch, S. Forouhar, R. Garcia, D. Keymeulen, S. Woodward, B. P. Block, K. Arnett, R. Miller, C. Edmonson, S. Gorevan, and E. Mumm. 2012. "The Sample Analysis at Mars Investigation and Instrument Suite." Space Sci Rev 170 (1-4): 401-478 [10.1007/s11214-012-9879-z]

    Conrad, P. G., J. L. Eigenbrode, M. O. Von der Heydt, et al. C. T. Mogensen, J. Canham, D. N. Harpold, J. Johnson, T. Errigo, D. P. Glavin, and P. R. Mahaffy. 2012. "The Mars Science Laboratory Organic Check Material." Space Science Reviews 170 (1-4): 479-501 [10.1007/s11214-012-9893-1]

    Summons, R. E., J. P. Amend, D. Bish, et al. R. Buick, G. D. Cody, D. J. Des Marais, G. Dromart, J. L. Eigenbrode, A. H. Knoll, and D. Y. Sumner. 2011. "Preservation of Martian Organic and Environmental Records: Final Report of the Mars Biosignature Working Group." Astrobiology 11 (2): 157–181 [10.1089/ast.2010.0506]

    Czaja, A. D., C. M. Johnson, B. L. Beard, et al. J. L. Eigenbrode, K. H. Freeman, and K. E. Yamaguchi. 2010. "Iron and carbon isotope evidence for ecosystem and environmental diversity in the ~27 to 25 Ga Hamersley Province, Western Australia." Earth and Planetary Science Letters 292 70-80 [10.1016/j.epsl.2010.01.032]

    Eigenbrode, J., L. G. Benning, J. Maule, et al. N. Wainwright, A. Steele, and H. E. Amundsen. 2009. "A Field-Based Cleaning Protocol for Sampling Devices Used in Life-Detection Studies." Astrobiology 9 (5): 455-465 [10.1089/ast.2008.0275]

    Eigenbrode, J. L., K. H. Freeman, and R. E. Summons. 2008. "Methylhopane biomarker hydrocarbons in Hamersley province sediments provide evidence for Neoarchean aerobiosis." Earth and Planetary Science Letters 273 323-331 [10.1016/j.epsl.2008.06.037]

    Eigenbrode, J. L. 2007. "Fossil lipids for life detection: A case study from the early Earth record." Space Science Reviews 135 161-185 [10.1007/s11214-007-9252-9]

    Eigenbrode, J. L., and K. H. Freeman. 2006. "Late Archean rise of aerobic microbial ecosystems." Proceedings of the National Academy of Science 103 (43): 15759–15764 [Full Text (Link)] [10.1073/pnas.0607540103]

    Fehr, M. A., M. Rehkämper, A. N. Halliday, et al. U. Wiechert, B. Hattendorf, D. Günther, S. Ono, J. L. Eigenbrode, and D. Rumble. 2005. "Tellurium isotopic composition of the early solar system—A search for effects resulting from stellar nucleosynthesis, 126Sn decay, and mass-independent fractionation." Geochimica et Cosmochimica Acta 69 (21): 5099-5112 [10.1016/j.gca.2005.04.020]

    Ono, S., J. L. Eigenbrode, A. A. Pavlov, et al. P. Kharecha, D. Rumble, J. F. Kasting, and K. H. Freeman. 2003. "New insights into Archean sulfur cycle from mass-independent sulfur isotope records from the Hamersley Basin, Australia." Earth and Planetary Science Letters 213 (1-2): 15-30 [10.1016/S0012-821X(03)00295-4]

    Pavlov, A. A., J. F. Kasting, J. L. Eigenbrode, and K. H. Freeman. 2001. "Organic haze in Earth's early atmosphere: Source of low-13C Late Archean kerogens?" Geology 29 (11): 1003 [10.1130/0091-7613(2001)029<1003:ohiese>2.0.co;2]

    Basu, A., and J. L. Eigenbrode. 1998. "A laboratory exercise on cratering in a geology course for non-science majors." Journal of Geoscience Education 46 164-168

    Non-Refereed

    Willis, P., W. B. Brinckerhoff, A. Ricco, et al. S. A. Getty, J. Chapman, J. Creamer, F. Mora, K. Zacny, D. P. Glavin, J. L. Eigenbrode, P. Mahaffy, B. Christner, R. Quinn, and T. Hoehler. 2018. "A universal approach in the search for life at the molecular level." A White Paper in response to the ASTROBIOLOGY SCIENCE STRATEGY FOR THE SEARCH FOR LIFE IN THE UNIVERSE

    Lewis, J. M., J. L. Eigenbrode, A. C. Mcadam, et al. S. Andrejkovicova, C. Knudson, G. Wong, M. Millan, C. Freissinet, C. Szopa, X. Li, and D. M. Bower. 2017. "The Preservation and Detection of Organic Matter within Jarosite." AGU Fall Meeting [Full Text (Link)]

    Hamilton, V. E., T. Hoehler, J. L. Eigenbrode, et al. S. Rafkin, P. Withers, S. Ruff, R. A. Yingst, D. Lim, R. Whitley, D. W. Beaty, S. Diniega, L. Hays, and R. Zurek. 2015. "MEPAG (2015), Mars Science Goals, Objectives, Investigations, and Priorities: 2015 Version." Mars Exploration Program Analysis Group (MEPAG) 74 [Full Text (Link)]

    Eigenbrode, J. L., H. Bower, and D. P. Archer. 2014. "Decarboxylation of Carbon Compounds as a Potential Source for CO2 and CO Observed by SAM at Yellowknife Bay, Gale Crater, Mars." Lunar and Planetary Science Conference [Full Text (Link)]

    Thronson, H. A., A. Valinia, J. E. Bleacher, et al. J. L. Eigenbrode, J. B. Garvin, and N. E. Petro. 2014. "Low-Latency Science Exploration of Planetary Bodies: How ISS might be used as part of a Low-Latency Analog Campaign for Human Exploration." American Institute of Aeronautics and Astronautics (AIAA) [Full Text (Link)]

    Eigenbrode, J. L., D. P. Glavin, P. Coll, et al. R. E. Summons, P. Mahaffy, D. Archer, A. Brunner, and Et al.. 2013. "Detection of Organic Constituents Including Chloromethylpropene in the Analyses of the Rocknest Drift by Sample Analysis at Mars (SAM)." Lunar and Planetary Science Conference [Full Text (Link)]

    Eigenbrode, J. L., A. C. Mcadam, H. B. Franz, et al. C. Freissinet, H. Bower, M. Floyd, P. G. Conrad, P. Mahaffy, J. Feldman, and J. A. Hurowitz. 2013. "Fluorocarbon Contamination from the Drill on the Mars Science Laboratory: Potential Science Impact on Detecting Martian Organics by Sample Analysis at Mars (SAM)." 44th Lunar and Planetary Science Conference [Full Text (Link)]

    Mustard, J. F., M. Adler, A. Allwood, et al. D. S. Bass, D. W. Beaty, J. F. Bell III, W. B. Brinckerhoff, M. Carr, D. J. Des Marais, B. Drake, K. S. Edgett, J. L. Eigenbrode, L. T. Elkins-Tanton, J. A. Grant, S. M. Milkovich, D. W. Ming, C. Moore, S. Murchie, T. C. Onstott, S. W. Ruff, M. A. Sephton, A. Steele, and A. Treiman. 2013. "Report of the Mars 2020 Science Definition Team." Mars Exploration Program Analysis Group (MEPAG) [Full Text (Link)]

    Conrad, P. G., and J. L. Eigenbrode. 2011. "Upheaval Dome, An Analogue Site for Gale Crater." Analogue Sites for Mars Missions Workshop [Full Text (Link)]

    Conrad, P. G., J. L. Eigenbrode, P. Mahaffy, and A. Steele. 2011. "Environmental Signatures for Habitability: What to Measure and How to Rank the Habitability Potential of Mars." Exploring Mars Habitability [Full Text (Link)]

    Eigenbrode, J. L., D. P. Glavin, J. P. Dworkin, P. G. Conrad, and P. Mahaffy. 2011. "Thermochemolysis: A New Sample Preparation Approach for the Detection of Organic Components of Complex Macromolecules in Mars Rocks via Gas Chromatography Mass Spectrometry in SAM on MSL." 42nd Lunar and Planetary Science Conference [Full Text (Link)]

    Hurowitz, J., J. Abelson, A. Allwood, et al. R. Anderson, B. Atkinson, D. Beaty, T. Bristow, B. Ehlmann, J. L. Eigenbrode, and J. Grotzinger. 2011. "Using the Abitibi Greenstone Belt to Understand Martian Hydrothermal Systems and the Potential for Biosignature Preservation in High Temperature Aqueous Environments." American Geophysical Union (AGU) meeting [Full Text (Link)]

    Pavlov, A. A., D. P. Glavin, J. L. Eigenbrode, et al. A. K. Pavlov, C. S. Johnson, and P. Mahaffy. 2010. "Laboratory Studies of the Liquid Water Content and the Degradation Rates of Organic Biomarkers in the Shallow Martian Subsurface." Astrobiology Science Conference

    Eigenbrode, J. L., L. Benning, D. Tobler, et al. J.-D. Rodriguez Blanco, M. Fogel, M. Callahan, J. P. Dworkin, M. Glamoclija, D. P. Glavin, L. Kerr, A. Kish, P. Mahaffy, A. C. Mcadam, A. Steele, M. Voytek, and H. Amundsen. 2010. "Organic biosignatures and habitat features of near-surface glacial ice in Svalbard." Astrobiology Science Conference 2010 [Full Text (Link)]

    Mcadam, A. C., P. R. Mahaffy, D. F. Blake, et al. D. W. Ming, H. B. Franz, J. L. Eigenbrode, A. Steele, and AMASE 2009 Team. 2010. "Evolved Gas Analysis and X-ray Diffraction of Carbonate Samples from the 2009 Arctic Mars Analog Svalbard Expedition: Implications for Mineralogical Inferences from the Mars Science Laboratory." LPS XLI Abstract #2206

    Eigenbrode, J. L., M. A. Meyer, and V. Hipkin. 2010. "Environments and Life: What Do We Know? How Can We Learn from Analogs? ." American Geophysical Union Fall Meeting

    Tobler, D., L. Benning, J. L. Eigenbrode, M. L. Fogel, and M. Glamoclija. 2009. "Signatures of Life in Ice (SLIce): An analog study for in-situ detection of biosignatures elsewhere." 14th Annual V.M. Goldschmidt Meeting

    Younse, P., A. Stroupe, T. Huntsberger, et al. M. Garrett, J. L. Eigenbrode, L. G. Benning, M. Fogel, and A. Steele. 2009. "Sample acquisition and caching using detachable scoops for mars sample return." 2009 IEEE Aerospace conference [10.1109/aero.2009.4839312]

    Des Marais, D. J., L. E. Borg, D. W. Beaty, J. L. Eigenbrode, and Et al.. 2008. "MEPAG Next Decade Science Analysis Group (ND-SAG): Science Priorities for Mars Sample Return." Astrobiology 8 489-535 [Full Text (Link)] [10.1089/ast.2008.0759]

    Morrill, P.-L., O. J. Johnson, J. Cotton, et al. J. L. Eigenbrode, K. H. Nelson, M. Fogel, and B. Sherwood Lollar. 2008. "Isotopic evidence of microbial methane in ultrabasic reducing waters at a continental site of active serpentinization in N. California." Geochimica Act Cosmochimica Acta Supplement 72 A652

    Fogel, M. L., L. Benning, P. G. Conrad, and J. L. Eigenbrode. 2007. "Biogeochemistry and nitrogen cycling in an Arctic, volcanic ecosystem." American Geophysical Union Fall Meeting

    Fries, M., J. L. Eigenbrode, M. L. Fogel, et al. A. Steele, V. Starke, and H. Amundsen. 2006. "Biosignatures of arctic endolithic organisms from different rock types." Astrobiology Science Conference

                                                                                                                                                                                            
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