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Showing papers by "Caroline Freissinet published in 2023"

Journal Article•DOI•
Dark microbiome and extremely low organics in Atacama fossil delta unveil Mars life detection limits

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Armando Azua-Bustos, Alberto G. Fairén, Carlos González-Silva, Olga Prieto-Ballesteros, Daniel Carrizo, Laura Sánchez-García, Victor Parro, Miguel Ángel Fernández-Martínez, Cristina Escudero, Victoria Muñoz-Iglesias, Maite Fernández-Sampedro, A. Molina, Miriam García-Villadangos, Mercedes Moreno-Paz, Jacek Wierzchos, Carmen Ascaso, Teresa Fornaro, John Robert Brucato, Giovanni Poggiali, Jose Antonio Manrique, Marco Veneranda, Guillermo Lopez-Reyes, Aurelio Sanz-Arranz, Fernando Rull, Ann Ollila, Roger C. Wiens, A. Reyes-Newell, Samuel M. Clegg, Maeva Millan, Sarah Stewart Johnson, O. McIntosh, Cyril Szopa, Caroline Freissinet, Yasuhito Sekine, Keisuke Fukushi, Koki Morida, Kosuke Inoue, Hiroshi Sakuma, Elizabeth B. Rampe 
21 Feb 2023-Nature Communications

3 citations

Journal Article•DOI•
Comparison of tetramethylammonium hydroxide (TMAH), trimethylsulfonium hydroxide (TMSH), and trimethylphenylammonium hydroxide (TMPAH) thermochemolysis for in situ space analysis of organic molecules in planetary environments.

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D. Boulesteix, Arnaud Buch, AJ Williams, Yuanyuan He, Caroline Freissinet, Melissa G. Trainer, Jennifer C. Stern, Cyril Szopa 
01 Feb 2023-Talanta
TL;DR: In this paper , the performance of tetramethylammonium hydroxide (TMAH), trimethylsulfonium (TMSH), TMSH, and trimethylphenylammmonium hydride (TMPAH) reagents on molecules of interest to astrobiology was compared.

2 citations

Journal Article•DOI•
The application of TMAH thermochemolysis on the detection of nucleotides: applications for the SAM and MOMA space experiments

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Yuanyuan He, Arnaud Buch, Cyril Szopa, Amy Casey Williams, Caroline Freissinet, Melissa Guzman, D. Boulesteix, Maeva Millan, David Coscia, Jean-Yves Bonnet, Michel Cabane 
01 Feb 2023-Journal of Analytical and Applied Pyrolysis
TL;DR: In this paper , the TMAH thermochemolysis products of targeted nucleotides using flash pyrolysis and SAM-like ramp-phosphate experiments were identified.

1 citations

Journal Article•DOI•
Influence of pH and salts on DMF-DMA derivatization for future Space Applications.

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D. Boulesteix, Arnaud Buch, Job Jan C. Samson, Maeva Millan, David Coscia, Valentin Moulay, O. McIntosh, Caroline Freissinet, Jennifer C. Stern, Cyril Szopa 
01 May 2023-Analytica Chimica Acta
TL;DR: In this paper , the influence of different salts and pHs on the derivatization of organic molecules of astrobiological interest with DMF-DMA has been studied, such as amino acids, carboxylic acids, and nucleobases.