Arnaud Buch

Laboratory

Light, Matter and Interfaces

Publications (219)

Article in a journal 01/01/2026

Preservation of organic traces of life under Martian conditions: Influence of the nature of the smectite in presence

I. Criouet , St. Bernard , E. Balan , F. Baron , A. Buch , F. Skouri-Panet , Mr. Guillaumet , L. Delbes , L. Remusat , J.-C. Viennet , Arnaud Buch

Article in a journal 01/01/2026

Selection of Chemical Adsorbents and Operating Conditions for the Injection Traps of the Gas Chromatograph on Board the Dragonfly Mass Spectrometer

Alex Abello , Caroline Freissinet , Théo Govekar , Melissa Trainer , Sandrine Vinatier , Malak Rizk-Bigourd , Jennifer Stern , Cyril Szopa , Arnaud Buch , Joel Casalinho

Communication at a conference 09/07/2025

Radiation-driven Prebiotic Chemistry and Biosignatures Detection

Cyril Szopa , Caroline Freissinet , Melissa Trainer , Jennifer Eigenbrode , Louth Chou , Arnaud Buch

Article in a journal 01/05/2025

Site-specific DH exchange of amino acids under asteroidal hydrothermal conditions

Yuanyuan He , Flavio Siro Brigiano , Michel Sablier , Nadezda Khodorova , Peter Reinhardt , Sylvain Bernard , Laurent Remusat , Arnaud Buch

Communication at a conference 10/03/2025

Comparative study of trimethylsulfonium hydroxide (TMSH) and tetramethylammonium hydroxide (TMAH) as derivatization reagents for spaceborne gas chromatography-mass spectrometry in planetary exploration

Melissa G Trainer , Jennifer C Stern , Caroline Freissinet , Cyril Szopa , Arnaud Buch

Article in a journal 01/01/2025

Long-chain alkanes preserved in a Martian mudstone

Caroline Freissinet , Daniel P. Glavin , P. Douglas Archer , Samuel Teinturier , Cyril Szopa , James MT Lewis , Amy J. Williams , Rafael Navarro-González , Jason P. Dworkin , Heather. B. Franz , Maeva Millan , Jennifer L. Eigenbrode , RE Summons , Christopher H. House , Ross H. Williams , Andrew Steele , Ophelia McIntosh , Felipe Gomez , Benito Prats , Arnaud Buch

Article in a journal 01/01/2025

New analytical methodology to reveal biosignatures on Mars and Ocean worlds

Amy Williams , Valentin Moulay , Yuanyuan He , Caroline Freissinet , Maeva Millan , Melissa Trainer , Jennifer Stern , Luoth Chou , Anaïs Cario , Cyril Szopa , Arnaud Buch

Article in a journal 01/01/2025

New analytical methodology to reveal biosignatures on Mars and Ocean worlds

Amy Williams , Valentin Moulay , Yuanyuan He , Caroline Freissinet , Maeva Millan , Melissa Trainer , Jennifer Stern , Luoth Chou , Anaïs Cario , Cyril Szopa , Arnaud Buch

Article in a journal 15/12/2024

The evolution of amino acids under asteroidal aqueous alteration

Yuanyuan He , Marceau Lecasble , Jean-Christophe Viennet , Isis Criouet , Nadezda Khodorova , Ludovic Delbes , Sylvain Bernard , Maxime Guillaumet , Francois Baudin , Boris Lawrence , A. Buch , Laurent Remusat , Arnaud Buch

Article in a journal 29/08/2024

Development and Integration of an Ultraminiaturized Gas Chromatograph Prototype Based on Lab-on-a-Chip Microelectromechanical Systems for Space Exploration Missions

Malak Rizk-Bigourd , Cyril Szopa , David Coscia , Jean-Pierre Pineau , Vincent Guerrini , Frédéric Ferreira , Fabrice Bertrand , Arnaud Philippart , Audrey Boco , Guillaume Rioland , Valerie Peulon-Agasse , Pascal Cardinaël , Arnaud Buch

Article in a journal 08/08/2024

Unveiling the Nitrogen Chemistry of Titan with the Dragonfly Mass Spectrometer: Experimental Focus on Amines and Amides

Caroline Freissinet , Valentin Moulay , Xiang Li , Cyril Szopa , Antoine Palanca , Victoria da Poian , Alex Abello , Sandrine Vinatier , Samuel Teinturier , Jennifer Stern , William Brinckerhoff , Melissa Trainer , Arnaud Buch

Article in a journal 01/08/2024

Environmental analogs from yellowstone hot springs on geochemical and microbial diversity with implications for the search for life on Mars

D Boulesteix , In Buch , G Masson , LL Kivrak , JR Havig , TL Hamilton , BL Teece , Y He , Caroline Freissinet , Y Huang , E.Santos , Cyril Szopa , AJ Williams , Arnaud Buch

Communication at a conference 03/07/2024

Sulfur organic aerosols and their contribution to prebiotic chemistry

Louis Maratrat , Nathalie Carrasco , Audrey Chatain , Ludovic Vettier , Thomas Drant , Yassin Jaziri , Orianne Sohier , Maeva Millan , Arnaud Buch

Communication at a conference 03/07/2024

Unveiling the nitrogen chemistry of Titan with the Dragonfly Mass Spectrometer

Communication at a conference 03/07/2024

Organic matter in samples from hypersaline Tirez lake (La Mancha, Spain); a projection into Europa and Enceladus analyses.

Caroline Freissinet , Valentin Moulay , Alex Abello , Felipe Gomez Gomez , Cyril Szopa , Arnaud Buch

Communication at a conference 01/07/2024

Analysis of Aromatic Acid Salts by Gas Chromatography-Mass Spectrometry: Influence of the Nature of the Cation and Implication for In Situ Detection on Mars

Cyril Szopa , Ophelia McIntosh , Chahira Hajlaoui , Valentin Moulay , Caroline Freissinet , In Buch , Maeva Millan , AJ Williams , JMT Lewis , J Eigenbrode , T Fornaro , J Brucato , Arnaud Buch

Communication at a conference 01/07/2024

Organic Matter on Mars: Inventory and Implications

Caroline Freissinet , DP Glavin , Cyril Szopa , In Buch , JL Eigenbrode , Maeva Millan , B Sutter , A Williams , L Chou , CA Knudson , WB Brinckerhoff , F. Gómez Gomez , A Fairén , PR Mahaffy , CA Malespin , Arnaud Buch

Article in a journal 01/06/2024

The Influence of Oxychlorine Phases on the Flash Pyrolysis of Polycyclic Aromatic Hydrocarbons and Implications for Mars

Maeva Millan , Cyril Szopa , In Buch , PR Mahaffy , SS Johnson , Arnaud Buch

Article in a journal 01/05/2024

Analysis of aromatic carboxylic acid and calcium salt couples with gas chromatography-mass spectrometry: Implications and comparison with in situ measurements at Mars' surface

Ophelia McIntosh , Caroline Freissinet , A. Buch , JMT Lewis , Maeva Millan , AJ Williams , T. Fornaro , JL Eigenbrode , J. Brucato , Cyril Szopa , Arnaud Buch

Article in a journal 01/04/2024

Dimethylformamide dimethyl acetal reagent for in situ chiral analyzes of organic molecules on Titan with the Dragonfly mass spectrometer space instrument (Dragonfly mission)

D Boulesteix , In Buch , Jade Samson , Caroline Freissinet , David Coscia , Y He , Samuel Teinturier , JC Stern , MG Trainer , Cyril Szopa , Arnaud Buch

Communication at a conference 02/03/2024

Extraterrestrial Molecular Indicators of Life Investigation (EMILI)

Ryan Danell , Malak Bigourd , Cyril Szopa , Caroline Freissinet , Desmond Kaplan , Fabien Stalport , Maria Mora , Tomas Drevinskas , Andrew Berg , Aaron Noell , Peter Willis , Anias Roussel , Andrej Grubisic , Bethany Theiling , Xiang Li , Jacob Graham , William Brinckerhoff , Friso van Amerom , frame castle , Arnaud Buch

Communication at a conference 01/03/2024

Geochemical and Metabolomic study of Yellowstone spring systems as Mars analogs

D. Boulesteix , A. Buch , AJ Williams , Cyril Szopa , V. Abrahamsson , BL Henderson , LL Kivrak , BL Teece , TL Hamilton , JR Havig , Arnaud Buch

Communication at a conference 01/03/2024

DraMS-like molecular extraction and analysis of Titan analog materials exposed to gamma and proton irradiations

D Boulesteix , In Buch , Cyril Szopa , Caroline Freissinet , SM Hörst , C He , JC Stern , MG Trainer , Arnaud Buch

Communication at a conference 01/12/2023

Influence of the secondary X-Rays on the organic matter at Mars' near-surface

Cyril Szopa , Caroline Freissinet , Fabien Stalport , Sophie Nowak , Jean-Yves Bonnet , Naila Chaouche , Peter Gilbert , David Coscia , Arnaud Buch

Communication at a conference 25/10/2023

Geochemical and Metabolomic study of few Yellowstone spring systems over a range of pH

Amy J. Williams , Cyril Szopa , Victor Abrahamsson , Bryana L. Henderson , Lydia Kivrak , Bronwyn Teece , Trinity Hamilton , Jeff Havig , Arnaud Buch

Communication at a conference 01/10/2023

Search for organic molecules on the surface of Mars: influence of the cation on the analysis of aromatic acids salts with gas chromatography-mass spectrometry and implications for Mars

Cyril Szopa , Ophelia McIntosh , Caroline Freissinet , Maeva Millan , Amy J. Williams , Teresa Fornaro , John Robert Brucato , Arnaud Buch

Article in a journal 01/09/2023

Evaluation of the Interference of Tenax®TA Adsorbent with Dimethylformamide Dimethyl Acetal Reagent for Gas Chromatography-Dragonfly Mass Spectrometry and Future Gas Chromatography-Mass Spectrometry in situ Analysis.

N. Ruscassier , Caroline Freissinet , MG Trainer , David Coscia , S. Dyer , JC Stern , Y. He , M. Guzman , Cyril Szopa , Arnaud Buch

Conference poster 09/08/2023

Secondary X-ray influence on the transformation of organic molecules on Mars and determination of by-products from Early-Mars/Earth compounds

A. Buch , Joyce McBeth , Caroline Freissinet , Cyril Szopa , Arnaud Buch

Communication at a conference 01/05/2023

Future in-situ chemical analysis on Europa and Enceladus: impact of salts on the detection of organic compounds in samples from hypersaline Tirez lake (La Mancha, Spain) with GC-MS

Valentin Moulay , Caroline Freissinet , Felipe Gomez , Cyril Szopa , Arnaud Buch

Article in a journal 01/05/2023

Influence of pH and salts on DMF-DMA derivatization for future Space Applications

J. Samson , Maeva Millan , J. Jomaa , David Coscia , Valentin Moulay , Ophelia McIntosh , Caroline Freissinet , JC Stern , Cyril Szopa , Arnaud Buch