Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation
International audience Introduction: For the past decade, the Sample Analysis at Mars (SAM) instrument suite onboard the Mars Science Laboratory (MSL) Curiosity Rover has served as a critical payload for characterizing the chemical composition of Mars, helping to elucidate its past and present geoch...
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ftuniparissaclay:oai:HAL:insu-04484749v1 2024-09-15T18:41:02+00:00 Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation Chou, L Malespin, C Mcadam, A Glavin, D Millan, Maëva Freissinet, Caroline Szopa, Cyril Williams, A, J Lewis, J Eigenbrode, J Teinturier, S Bonnet, Jean-Yves Prats, B Brinckerhoff, W Johnson, S, S Mahaffy, P NASA Goddard Space Flight Center (GSFC) Georgetown University Washington (GU) PLANETO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) University of Florida Gainesville (UF) Goddard Earth Sciences and Technology and Research (GESTAR) NASA-Universities Space Research Association Washington (USRA) Telespazio France eINFORMe inc. The Woodlands, United States 2023-03 https://insu.hal.science/insu-04484749 https://insu.hal.science/insu-04484749/document https://insu.hal.science/insu-04484749/file/2886-LPI2023.pdf en eng HAL CCSD insu-04484749 https://insu.hal.science/insu-04484749 https://insu.hal.science/insu-04484749/document https://insu.hal.science/insu-04484749/file/2886-LPI2023.pdf BIBCODE: 2023LPICo2806.2886C info:eu-repo/semantics/OpenAccess 54th Lunar and Planetary Science Conference, https://insu.hal.science/insu-04484749 54th Lunar and Planetary Science Conference,, Mar 2023, The Woodlands, United States. pp.LPI Contribution No. 2806, id.2886 [SDU]Sciences of the Universe [physics] info:eu-repo/semantics/conferenceObject Conference papers 2023 ftuniparissaclay 2024-08-30T01:48:46Z International audience Introduction: For the past decade, the Sample Analysis at Mars (SAM) instrument suite onboard the Mars Science Laboratory (MSL) Curiosity Rover has served as a critical payload for characterizing the chemical composition of Mars, helping to elucidate its past and present geochemical environments and habitability [1,2]. The SAM instrument suite includes evolved gas analysis (EGA) and pyrolysis-gas chromatography (pyro-GC), coupled to mass spectrometry (MS), all of which has been used to conduct in situ chemical characterization of Martian sediments. While SAM can detect a wide range of volatile organic compounds via thermal volatilization, it was also designed to extract and analyze less volatile and more polar organic molecules by derivatization using two wet chemistry reagents: N-methyl-N-(tertbutyl-dimethylsilyl) trifluoroacetamide in dimethyl formamide (MTBSTFA:DMF 4:1) and tetramethylammonium hydroxide (TMAH) in methanol [3]. Polar compounds such as amino acids, fatty acids, or nucleobases are some of the important astrobiological targets that can be revealed by SAM wet chemistry experiments. To date, SAM has conducted several MTBSTFA derivatization experiments on Mars, three of which were full cup derivatization experiments, and three others were "opportunistic derivatization" (OD) experiments using MTBSTFA vapor that leaked into SAM's Sample Manipulation System earlier in the mission [4]. Those experiments were conducted on samples Curiosity obtained from Yellowknife Bay (sample: Cumberland OD x2), Bagnold Dunes (Ogunquit Beach), Vera Rubin ridge (Rock Hall OD), and the Glen Torridon region (Glen Etive and Mary Anning) of Gale crater. In those MTBSTFA wet chemistry experiments, several high mass and high abundance compounds were tentatively identified based on mass fragmentation patterns and supporting evidence from SAM-like pyro-GC-MS laboratory analyses. These compounds likely resulted from the derivatization reaction of possible MTBSTFA byproducts (e.g., silanol) with MTBSTFA ... Conference Object Yellowknife Archives ouvertes de Paris-Saclay |
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Archives ouvertes de Paris-Saclay |
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ftuniparissaclay |
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English |
topic |
[SDU]Sciences of the Universe [physics] |
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[SDU]Sciences of the Universe [physics] Chou, L Malespin, C Mcadam, A Glavin, D Millan, Maëva Freissinet, Caroline Szopa, Cyril Williams, A, J Lewis, J Eigenbrode, J Teinturier, S Bonnet, Jean-Yves Prats, B Brinckerhoff, W Johnson, S, S Mahaffy, P Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation |
topic_facet |
[SDU]Sciences of the Universe [physics] |
description |
International audience Introduction: For the past decade, the Sample Analysis at Mars (SAM) instrument suite onboard the Mars Science Laboratory (MSL) Curiosity Rover has served as a critical payload for characterizing the chemical composition of Mars, helping to elucidate its past and present geochemical environments and habitability [1,2]. The SAM instrument suite includes evolved gas analysis (EGA) and pyrolysis-gas chromatography (pyro-GC), coupled to mass spectrometry (MS), all of which has been used to conduct in situ chemical characterization of Martian sediments. While SAM can detect a wide range of volatile organic compounds via thermal volatilization, it was also designed to extract and analyze less volatile and more polar organic molecules by derivatization using two wet chemistry reagents: N-methyl-N-(tertbutyl-dimethylsilyl) trifluoroacetamide in dimethyl formamide (MTBSTFA:DMF 4:1) and tetramethylammonium hydroxide (TMAH) in methanol [3]. Polar compounds such as amino acids, fatty acids, or nucleobases are some of the important astrobiological targets that can be revealed by SAM wet chemistry experiments. To date, SAM has conducted several MTBSTFA derivatization experiments on Mars, three of which were full cup derivatization experiments, and three others were "opportunistic derivatization" (OD) experiments using MTBSTFA vapor that leaked into SAM's Sample Manipulation System earlier in the mission [4]. Those experiments were conducted on samples Curiosity obtained from Yellowknife Bay (sample: Cumberland OD x2), Bagnold Dunes (Ogunquit Beach), Vera Rubin ridge (Rock Hall OD), and the Glen Torridon region (Glen Etive and Mary Anning) of Gale crater. In those MTBSTFA wet chemistry experiments, several high mass and high abundance compounds were tentatively identified based on mass fragmentation patterns and supporting evidence from SAM-like pyro-GC-MS laboratory analyses. These compounds likely resulted from the derivatization reaction of possible MTBSTFA byproducts (e.g., silanol) with MTBSTFA ... |
author2 |
NASA Goddard Space Flight Center (GSFC) Georgetown University Washington (GU) PLANETO - LATMOS Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS) Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) University of Florida Gainesville (UF) Goddard Earth Sciences and Technology and Research (GESTAR) NASA-Universities Space Research Association Washington (USRA) Telespazio France eINFORMe inc. |
format |
Conference Object |
author |
Chou, L Malespin, C Mcadam, A Glavin, D Millan, Maëva Freissinet, Caroline Szopa, Cyril Williams, A, J Lewis, J Eigenbrode, J Teinturier, S Bonnet, Jean-Yves Prats, B Brinckerhoff, W Johnson, S, S Mahaffy, P |
author_facet |
Chou, L Malespin, C Mcadam, A Glavin, D Millan, Maëva Freissinet, Caroline Szopa, Cyril Williams, A, J Lewis, J Eigenbrode, J Teinturier, S Bonnet, Jean-Yves Prats, B Brinckerhoff, W Johnson, S, S Mahaffy, P |
author_sort |
Chou, L |
title |
Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation |
title_short |
Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation |
title_full |
Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation |
title_fullStr |
Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation |
title_full_unstemmed |
Investigating organic molecules in MSL's SAM Wet Chemistry experiments using de novo mass spectrometry interpretation |
title_sort |
investigating organic molecules in msl's sam wet chemistry experiments using de novo mass spectrometry interpretation |
publisher |
HAL CCSD |
publishDate |
2023 |
url |
https://insu.hal.science/insu-04484749 https://insu.hal.science/insu-04484749/document https://insu.hal.science/insu-04484749/file/2886-LPI2023.pdf |
op_coverage |
The Woodlands, United States |
genre |
Yellowknife |
genre_facet |
Yellowknife |
op_source |
54th Lunar and Planetary Science Conference, https://insu.hal.science/insu-04484749 54th Lunar and Planetary Science Conference,, Mar 2023, The Woodlands, United States. pp.LPI Contribution No. 2806, id.2886 |
op_relation |
insu-04484749 https://insu.hal.science/insu-04484749 https://insu.hal.science/insu-04484749/document https://insu.hal.science/insu-04484749/file/2886-LPI2023.pdf BIBCODE: 2023LPICo2806.2886C |
op_rights |
info:eu-repo/semantics/OpenAccess |
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1810485427794083840 |