Adam P Johnson
Adam P Johnson
Indiana University
Adresse e-mail validée de innospecinc.com
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The Miller volcanic spark discharge experiment
AP Johnson, HJ Cleaves, JP Dworkin, DP Glavin, A Lazcano, JL Bada
Science 322 (5900), 404-404, 2008
3642008
Extended survival of several organisms and amino acids under simulated martian surface conditions
AP Johnson, LM Pratt, T Vishnivetskaya, S Pfiffner, RA Bryan, ...
Icarus 211 (2), 1162-1178, 2011
432011
Chronic contamination decreases disease spread: a Daphnia–fungus–copper case study
DJ Civitello, P Forys, AP Johnson, SR Hall
Proceedings of the Royal Society B: Biological Sciences 279 (1741), 3146-3153, 2012
352012
Metal-catalyzed degradation and racemization of amino acids in iron sulfate brines under simulated martian surface conditions
AP Johnson, LM Pratt
Icarus 207 (1), 124-132, 2010
192010
Acidophilic sulfur disproportionation
DS Hardisty, GA Olyphant, JB Bell, AP Johnson, LM Pratt
Geochimica et Cosmochimica Acta 113, 136-151, 2013
172013
Challenges for coring deep permafrost on Earth and Mars
SM Pfiffner, TC Onstott, T Ruskeeniemi, M Talikka, C Bakermans, ...
Astrobiology 8 (3), 623-638, 2008
152008
Global vascular surgeons' experience, stressors, and coping during the coronavirus disease 2019 pandemic
S Shalhub, NJ Mouawad, RD Malgor, AP Johnson, MV Wohlauer, ...
Journal of vascular surgery 73 (3), 762-771. e4, 2021
112021
Sulfur species and biosignatures in sulphur springs, Valles Caldera, New Mexico—implications for Mars astrobiology
A Szynkiewicz, AP Johnson, LM Pratt
Earth and Planetary Science Letters 321, 1-13, 2012
102012
Planetary sample sealing for caching
P Backes, T Onstott, Y Bar-Cohen, M Badescu, L Pratt, D Helmick, ...
2009 IEEE Aerospace conference, 1-10, 2009
62009
Deployment of a deep borehole observatory at the High Lake Project Site, Nunavut, Canada
BM Freifeld, E Chan, TC Onstott, LM Pratt, A Johnson, R Stotler, B Holden, ...
Proc. Ninth Intl. Conf. on Permafrost, 2008
62008
Mobility and subsurface redistribution of volatiles through regolith materials
G Grieves, CA Hibbitts, MD Dyar, TM Orlando, M Poston, A Johnson
Lunar and Planetary Science Conference, 2552, 2010
52010
The diversity of the original prebiotic soup: re-analyzing the original Miller-Urey spark discharge experiments
A Johnson, HJ Cleaves, JL Bada, A Lazcano
ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES 39 (3-4), 240-241, 2009
42009
Iron in Sulfate brines and minerals: Roles in amino acid preservation
A Johnson, L Pratt
Geochimica et Cosmochimica Acta Supplement 72 (12), A435, 2008
12008
Bacterial Disproportionation of Elemental Sulfur Inferred from a Field Study of Stable-Isotope Fractionations between Elemental Sulfur and Pyrite
D Hardisty, LM Pratt, GA Olyphant, J Bell, A Johnson
AGU Fall Meeting Abstracts 2011, B51I-0513, 2011
2011
Chapter Two: The Diversity of the Prebiotic Soup: Re-Analyzing the Original Miller-Urey Spark Discharge Experiments
AP Johnson, HJ Cleaves
EXPERIMENTAL ALTERATION OF AMINO ACIDS IN SIMULATED PLANETARY ENVIRONMENTS …, 2011
2011
Acids in Iron Sulfate Brines under Simulated Martian Surface Condition s, Icarus, 2010. 207 (1): p. 124-132
AP Johnson, LM Pratt
EXPERIMENTAL ALTERATION OF AMINO ACIDS IN SIMULATED PLANETARY ENVIRONMENTS …, 2011
2011
Chapter Four: The effects of simulated Martian surface conditions on the lifetimes of several organisms and amino acid biomarkers
AP Johnson, LM Pratt, T Vishnivetskaya, S Pfiffner, RA Bryan, ...
EXPERIMENTAL ALTERATION OF AMINO ACIDS IN SIMULATED PLANETARY ENVIRONMENTS …, 2011
2011
Experimental alteration of amino acids in simulated planetary environments: Mechanisms for formation, oxidation, and racemization
AP Johnson
Indiana University, 2011
2011
Water, minerals, and the fate of organic matter on Mars
AP Johnson, LM Pratt
GEOCHIMICA ET COSMOCHIMICA ACTA 74 (12), A471-A471, 2010
2010
Terrestrial Microorganism and Biomarker Survival as a Function of Depth in a Mars Analog Regolith After Exposure to Mars Surface Conditions
AP Johnson, TC Onstott, LM Pratt, S Pfiffner, TA Vishnivetskaya, RA Bryan, ...
Astrobiology Science Conference 2010: Evolution and Life: Surviving …, 2010
2010
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