Go to content Go to the menu Go to the search

Quick access, personalized services
Institut de minéralogie, de physique des matériaux et de cosmochimie

Sylvain Bernard

Scientific Expertise


Organic Biosignatures in Rocks

Advanced Fossilization Processes

Hydrocarbon Generation Processes

Extraterrestrial Organic Compounds



Contact Details

Office : Site Buffon, 1st Floor, Room 125

Mail : sylvain.bernard(at)mnhn.fr


Analytical Skills

  - STXM, XANES Spectroscopy, Raman Spectroscopy, Electron Microscopy, P-T and Fluid-Flow Experiments


Professional Resume

  - Since 2010: CNRS Researcher in mineralogy/geochemistry (DR since 2023)

  - 2009-2010: Postdoctoral Research Fellow at the GFZ (Helmholtz Zentrum Potsdam, Germany)


Educational Background

  - HDR in Evolutive Biology, National Museum of Natural History - 21/12/2017

  - Ph.D. in Fundamental and Applied Geochemistry, University Paris Diderot & IPGP - 09/12/2008



[°] indicates publications signed as a first author by a PhD student or a postdoc fellow.

- [114] [°] Royer C., Bernard S., Beyssac O., Balan E., Forni O., Gauthier M., Morand M., Garino Y. & Rosier P. Impact of UV radiation on the Raman and infrared spectral signatures of sulfates, phosphates and carbonates: Implications for Mars exploration. Icarus, doi: 10.1016/j.icarus.2023.115894. 2024.

- [113] [°] Criouet I., Viennet JC., Baron F., Balan E., Buch A., Skouri-Panet F., Guillaumet M., Delbes L., Remusat L. & Bernard S. Experimental investigations of the preservation/degradation of microbial signatures in the presence of clay minerals under Martian subsurface conditions. Icarus, doi: 10.1016/j.icarus.2023.115743. 2023.

- [112] [°] Criouet I., Viennet JC., Baron F., Balan E., Buch A., Delbes L., Guillaumet M., Remusat L. & Bernard S. Influence of pH on the Hydrothermal Synthesis of Al-Substituted Smectites (Saponite, Beidellite, and Nontronite). Clays and Clay Minerals, doi: 10.1007/s42860-023-00255-3. 2023.

- [111] [°] Malarewicz V., Beyssac O., Zanda B., Hewins R., Pont S., Bouley S., Bernard S., Gauthier M., Morand M., Garino Y. & Rosier P. Raman spectroscopy investigations of the Martian regolith breccia Northwest Africa 7533: A support to in situ Raman spectroscopy on Mars. Journal of Raman Spectroscopy, doi: 10.1002/jrs.6556. 2023.

- [110] [°] Truong C., Bernard S., Le Pape P., Morin G., Baya C., Merrot P., Gorlas A. & Guyot F. Production of carbon-containing pyrite spherules induced by hyperthermophilic Thermococcales: a biosignature? Frontiers in Microbiology, doi: 10.3389/fmicb.2023.1145781. 2023.

- [109] [°] Lecasble M., Bernard S., Viennet JC., Criouet I. & Remusat L. Influence of hydrothermal asteroidal conditions on the molecular structure and isotopic compositions of polycyclic aromatic hydrocarbons. Icarus, doi: 10.1016/j.icarus.2023.115603. 2023.

- [108] [°] Adams A., Daval D., Baumgartner LP., Bernard S., Vennemann T., Cisneros-Lazaro D., Stolarski J., Baronnet A., Grauby O., Guo JM. & Meibom A. Rapid grain boundary diffusion in foraminifera tests biases paleotemperature records. Communications Earth & Environment, doi: 10.1038/s43247-023-00798-2. 2023.

- [107] Beyssac O., Forni O., (…), Bernard S., et al. Petrological Traverse of the Olivine Cumulate Seitah Formation at Jezero Crater, Mars: A Perspective From SuperCam Onboard Perseverance. Journal of Geophysical Research – Planets, doi: 10.1029/2022JE007638. 2023.

-  [106] [°] Clavé E., Benzerara K., (…), Bernard S., et al. Carbonate detection with SuperCam in igneous rocks on the floor of Jezero Crater, Mars. Journal of Geophysical Research – Planets, doi:  10.1029/2022JE007463. 2023.

-  [105] Udry A., Ostwald A., (…), Bernard S., et al. A Mars 2020 Perseverance SuperCam Perspective on the Igneous Nature of the Máaz formation at Jezero crater and link with Séítah, Mars. Journal of Geophysical Research – Planets, doi:10.1029/2022JE007440. 2023.

-  [104] [°] Lecasble M., Remusat L., Viennet JC., Laurent B. & Bernard S. Polycyclic aromatic hydrocarbons in carbonaceous chondrites can be used as tracers of both pre-accretion and secondary processes. Geochimica et Cosmochimica Acta, doi: 10.1016/j.gca.2022.08.039. 2022.

-  [103] [°] Laurent B., Remusat L., Viennet JC., Brunetto R., Binet K., Holin M., Ciocco M., Bouvier C., Brunelle A. & Bernard S. Preservation of the isotope signatures in chondritic IOM during aqueous alteration. Geochemical Perspectives Letters, doi: 10.7185/geochemlet.2233. 2022.

-  [102] [°] Fau A., Beyssac O., Gauthier M., Panczer G., Gasnault O., Meslin PY., Bernard S., Maurice S., Forni O., Boulliard JC., Bosc F. & Drouet C. Time-resolved Raman and luminescence spectroscopy of synthetic REE-doped hydroxylapatites and natural apatites. American Mineralogist, doi: 10.2138/am-2022-8006. 2022.

-  [101] [°] Georgiou R., Sahle CJ., Sokaras D., Bernard S., Bergmann U., Rueff JP. & Bertrand L. X-ray Raman Scattering: A Hard X-ray Probe of Complex Organic Systems. Chemical Reviews, doi: 10.1021/acs.chemrev.1c00953. 2022.

-  [100] Maurice S., Chide B, (…) & the SuperCam Team. In Situ Recordings of Mars Soundscape. Nature, doi: 10.1038/s41586-022-04679-0. 2022.

- [99] Wiens RC., Udry A., (…), Bernard S., et al. Compositionally and density stratified igneous terrain in Jezero crater, Mars. Science Advances, doi: 10.1126/sciadv.abo3399. 2022.

-  [98] Liu Y., Tice MM., (…), Bernard S., et al. An olivine cumulate outcrop on the floor of Jezero crater, Mars. Science, doi: 10.1126/science.abo2756. 2022.

-  [97] Farley KA., Stack KM., (…), Bernard S., et al. Aqueously altered igneous rocks sampled on the floor of Jezero crater, Mars. Science, doi: 10.1126/science.abo2196. 2022.

-  [96] Anderson RB., Forni O., (…), Bernard S., et al. Post-landing major element quantification using SuperCam laser induced breakdown spectroscopy. Spectrochimica Acta, doi: 10.1016/j.sab.2021.106347. 2022.

-  [95] Madariaga JM., Aramendia J., (…), Bernard S., et al. Homogeneity Assessment of the SuperCam Calibration Targets onboard rover Perseverance. Analytica Chimica Acta, doi: 10.1016/j.aca.2022.339837. 2022.

-  [94] Cousin A., Sautter V., (…), Bernard S., et al. SuperCam calibration targets on board the perseverance rover: Fabrication and quantitative characterization. Spectrochimica Acta, doi: 10.1016/j.sab.2021.106341. 2022.

-  [93] [°] Georgiou R., Popelka-Filcoff R.S., Sokaras D., Beltran V., Spangler J., Lehmann R., Lenehan C., Bernard S., Cohen S., Rueff JP., Bergmann U. & Bertrand L. Disentangling the Chemistry of Australian Plant Exudates from a Unique Historical Collection. Proceedings of the National Academy of Sciences of the United States of America, doi: 10.1073/pnas.2116021119. 2022.

-  [92] Marin-Carbonne J., Decraene M.N., Havas R., Remusat L., Pasquier V., ALleon J., Zeyen N., Bouton A., Bernard S., Escrig S., Olivier N., Vennin E., Meibom A., Benzerara K. & Thomazo C. Early precipitated micropyrite in microbialites: A time capsule of microbial sulfur cycling. Geochemical Perspectives Letters, doi: 10.7185/geochemlet.2209. 2022.

-  [91] Gorlas A., Morey L., Mariotte T., Truong C., Bernard S., Guigner J.M., Oberto J., Baudin F., Landrot G., Baya C., Le Pape P., Morin G., Forterre P. & Guyot F. Precipitation of greigite and pyrite induced by Thermococcales: an advantage to live in Fe- and S-rich environments? Environmental Microbiology, doi: 10.1111/1462-2920.15915. 2022.

-  [90] [°] Cisneros-Lazaro D., Adams A., Guo J., Bernard S., Baumgartner L., Daval D., Baronnet A., Grauby O., Vennemann T., Stolarski J., Escrig S. & Meibom A. Fast and pervasive diagenetic isotope exchange in foraminifera tests is species-dependent. Nature Communications, doi: 10.1038/s41467-021-27782-8, 2022.

-  [89] [°] Viennet J.C., Le Guillou C., Baron F., Balan E., Criouet I., Delbes L., Blanchenet A., Laurent B., Remusat L. & Bernard S. Experimental investigation of Fe-clay/organic interactions under asteroidal conditions. Geochimica et Cosmochimica Acta, doi: 10.1016/j.gca.2021.12.002, 2022.

-  [88] [°] Duverger A., Bernard S., Viennet J.C., Miot J. & Busigny V. Formation of pyrite spherules from mixtures of biogenic FeS anusind organic compounds during experimental diagenesis. Geochemistry, Geophysics, Geosystems, doi: 10.1029/2021GC010056, 2021.

-  [87] [°] Criouet I., Viennet JC., Jacquemot P., Jaber M. & Bernard S. Abiotic formation of organic biomorphs under diagenetic conditions. Geochemical Perspectives Letters, doi: 10.7185/geochemlet.2102, 2021.

-  [86] [°] Megevand V., Viennet JC., Balan E., Gauthier M., Rosier P., Morand M., Garino Y., Guillaumet M., Pont S., Beyssac O. & Bernard S. Impact of UV radiation on the Raman signal of cystine: implications for the detection of S-rich organics on Mars. Astrobiology, doi: 10.1089/ast.2020.2340, 2021.

-  [85] [°] Viennet JC., Bernard S., Le Guillou C., Sautter V., Gregoire B., Jambon A., Pont S., Beyssac O., Zanda B., Hewins R. & Remusat L. Martian magmatic clay minerals forming vesicles: perfect niches for emerging life? Astrobiology, doi: 10.1089/ast.2020.2345, 2021.

-  [84] [°] Alleon J., Bernard S., Olivier N., Thomazo C. & Marin-Carbonne J. Inherited geochemical diversity of 3.4 Ga organic films from the Buck Reef Chert. Communications Earth & Environment, doi: 10.1038/s43247-020-00066-7. 2021.

-  [83] Delarue F., Bernard S., Sugitani K., Robert F., Tartèse R., Albers S.V., Duhamel R., Pont S. & Derenne S. Microfossils with tail-like structures in the 3.4 Gyr old Strelley Pool Formation. Precambrian Research, doi: 10.1016/j.precamres.2021.106187, 2021.

-  [82] Hewins R.H., Zanetta P.M., Zanda B., Le Guillou C., gattacceca J., Sognzoni C., Pont S., Piani L., Rigaudier T., Leroux H., Brunetto R., Maupin R., Djouadi Z., Bernard S., Deldicque D., Malarewicz V., Dionnet Z., Aléon-Toppani A., King A. & Borondics F. Northwest Africa (NWA) 12563 and ungrouped C2 chondrites: Alteration styles and relationships to asteroids. Geochimica et Cosmochimica Acta, doi: 10.1016/j.gca.2021.06.035, 2021.

-  [81] Danger G., Vinogradoff V., Matzka M., Viennet J.C., Remusat L., Bernard S., Le Sergeant d’Hendecourt, L. & Schmitt-Kopplin P. Exploring the link between molecular cloud ices and chondritic organic matter in laboratory. Nature Communications, doi: 10.1038/s41467-021-23895-2, 2021.

-  [80] [°] Phan V.T.H., Quirico E., Beck P., Le Brech Y., Jovanovic L., Le Guillou C., Bernard S., Bonal L., Carrasco N., Gautier T. & Raya J. Infrared spectroscopy quantification of functional carbon groups in kerogens and coals: A calibration procedure. Spectrochimica Acta, doi: 10.1016/j.saa.2021.119853, 2021.

-  [79] [°] Fau A., Beyssac O., Gauthier M., Panczer G., Gasnault O., Meslin P.Y., Bernard S., Maurice S., Forni O., Boulliard J.C., Bosc F & Drouet C. Time-resolved Raman and luminescence spectroscopy of synthetic REE-doped hydroxylapatites and natural apatites. American Mineralogist, doi: 10.2138/am-2022-8006, 2021.

-  [78] Schulz H.M., Yang S., Schovsbo N., Rybacki E., Ghanizadeh A., Bernard S., Mahlstedt N., Krüger M., Amann-Hildebrandt A., Kroos B.M., Meier T & Reinicke A. The Furongian to Lower Ordovician Alum Shale Formation in conventional and unconventional petroleum systems in the Baltic Basin – A review. Earth Science Reviews, doi: 10.1016/j.earscirev.2021.103674, 2021.

-  [77] Maurice S., Wiens R.C., (…), Bernard S., et al. The SuperCam Instrument suite on the Mars 2020 rover: science objectives and mast-unit description. Space Science Reviews, doi: 10.1007/s11214-021-00807-w, 2021.

-  [76] Wiens R.C., Maurice S., (…), Bernard S., et al. The SuperCam Instrument suite on the Mars 2020 rover: body unit and combined system tests. Space Science Reviews, doi: 10.1007/s11214-02000777-5. 2021.

-  [75] [°] Gueriau P., Bernard S., Farges, F., Mocuta C., Dutheil D.B., Adatte T., Bomou B., Godet M., Thiaudière D., Charbonnier S. & Bertrand L. Oxidative conditions can lead to exceptional preservation through phosphatization. Geology, doi: 10.1130/G45924.1. 2020.

-  [74] [°] Viennet J.C., Bernard S., Le Guillou C., Sautter V., Schmitt-Kopplin P., Beyssac O., Pont S., Zanda B., Hewins R. & Remusat L. Tardi-magmatic precipitation of Martian Fe/Mg-rich clay minerals via igneous differentiation. Geochemical Perspectives Letters, doi: 10.7185/geochemlet.2023. 2020.

-  [73] [°] Viennet J.C., Bernard S., Le Guillou C., Jacquemot P., Delbes L., Balan E. & Jaber M. Influence of the nature of the gas phase on the degradation of RNA during fossilization processes. Applied Clay Science, doi: 10.1016/j.clay.2020.105616. 2020.

-  [72] Huguet A., Bernard S., El Khatib R., Gocke M.I., Wiesenberg G.L.B. & Derenne S. Multiple stages of plant root calcification deciphered by chemical and micromorphological analyses. Geobiology, doi: 10.1111/gbi.12416. 2020.

-  [71] [°] Jauvion C., Audo D., Bernard S., Vannier J. Daley AC. & Charbonnier S. A new polychelidan lobster preserved with its eggs in a 165 Ma nodule. Scientific Reports, doi: 10.1038/s41598-020-60282-1. 2020.

-  [70] [°] Duverger A., Berg J., Busigny V., Guyot F., Bernard S. & Miot J. Mechanisms of pyrite formation promoted by sulfate-reducing bacteria in pure culture. Frontiers in Earth Science, doi:10.3389/feart.2020.588310. 2020.

-  [69] [°] Vinogradoff V., Remusat L., McLain H.L., Aponte J.C., Bernard S., Danger G., Dworkin J.P., Elsila J.E. & Jaber M. Impact of Phyllosilicates on Amino Acid Formation under Asteroidal Conditions. ACS Earth and Space Chemistry, doi: 10.1021/acsearthspacechem.0c00137. 2020.

-  [68] [°] Vinogradoff V., Le Guillou C., Bernard S., Viennet J.C., Jaber M. & Remusat L. Influence of phyllosilicates on the hydrothermal alteration of organic matter in asteroids: experimental perspectives. Geochimica et Cosmochimica Acta, doi: 10.1016/j.gca.2019.10.029. 2020.

-  [67] Delarue F., Robert F., Derenne S., Tartèse R., Jauvion C., Bernard S., Pont S., Gonzalez-Cano A., Duhamel R. & Sugitani K. Out of rock: A new look at the morphological and geochemical preservation of microfossils from the 3.4 Gyr-old Strelley Pool Formation. Precambrian Research, doi: 10.1016/j.precamres.2019.105472. 2020.

-  [66] Manrique J.A., Lopez-Reyes G., Cousin A., (…), Bernard S., et al. SuperCam calibration targets: design and development. Space Science Reviews, doi: 10.1007/s11214-020-00764-w. 2020.

-  [65] [°] Viennet J.C., Bernard S., Le Guillou C., Jacquemot P., Balan E., Delbes L., Rigaud B., Georgelin T. & Jaber M. Experimental clues for detecting biosignatures on Mars. Geochemical Perspectives Letters, doi: 10.7185/geochemlet.1931. 2019.

-  [64] [°] Fau A., Beyssac O., Gauthier M., Meslin P.Y., Cousin A., Benzerara K., Bernard S., Boulliard J.C., Gasnault O., Forni O., Wiens R.C., Morand M., Rosier P., Garino Y., Pont S. & Maurice S. Pulsed laser-induced heating of mineral phases: Implications for laser-induced breakdown spectroscopy combined with Raman spectroscopy. Spectrochimica Acta, doi: 10.1016/j.sab.2019.105687. 2019.

-  [63] [°] Georgiou R., Gueriau P., Sahle C., Bernard S., Mirone A., Garrouste R., Bergmann U. Rueff J.P. & Bertrand L. Carbon speciation in organic fossils using 2d to 3d X-ray Raman multispectral imaging. Science Advances, doi: 10.1126/sciadv.aaw5019. 2019.

-  [62] [°] Strullu-Derrien C., Bernard S., Spencer A.R.T., Remusat L., Kenrick P. & Derrien D. On the structure and chemistry of fossils of the earliest woody plant. Palaeontology, doi: 10.1111/pala.12440. 2019.

-  [61] [°] Jauvion C., Bernard S., Gueriau P., Mocuta C., Pont S., Benzerara K. & Charbonnier S. Exceptional preservation requires fast biodegradation: the case study of thylacocephalan specimens from La Voulte-sur-Rhone (Callovian, Jurassic, France). Palaeontology, doi: 10.1111/pala.12456. 2019.

-  [60] [°] Lutfalla S., Barré, P., Bernard S., Le Guillou C., Alleon J. & Chenu C. Multidecadal persistence of organic matter in soils. Biogeosciences 16, 1401-1410, 2019.

-  [59] [°] Jacquemot P., Viennet J.C., Bernard S., Le Guillou C., Rigaud B., Delbes L., Georgelin T. & Jaber M. The degradation of organic compounds impacts the crystallization of clay minerals and vice versa. Scientific Reports, doi: 10.1038/s41598-019-56756-6. 2019.

-  [58] Remusat L., Bonner J.Y., Bernard S., Buch A. & Quirico E. Molecular and isotopic behavior of insoluble organic matter of the Orgueil meteorite upon heating. Geochimica et Cosmochimica Acta 263, 235-249. 2019.

-  [57] Menez B., Pasini V., Guyot F., Benzerara K., Bernard S. & Brunelli D. Mineralizations and transition metal mobility driven by organic carbon during low-temperature serpentinization. Lithos 323, 262-276, 2018.

-  [56] Bernard S., Daval D., Ackerer P., Pont S. & Meibom A. Reply to 'No substantial long-term bias in the Cenozoic benthic foraminifera oxygen-isotope record'. Nature Communications 9, 2874, 2018.

-  [55] Le Guillou C. Bernard S., De La Pena F. & Le Brech Y. XANES-based quantification of carbon functional group concentrations. Analytical Chemistry 90, 8379-8386, 2018.

-  [54] [°] Alleon J., Bernard S., Le Guillou C., Beyssac O., Sugitani K. & Robert F. Chemical nature of the 3.4 Ga Strelley Pool microfossils. Geochemical Perspectives Letters 7, 37-42, 2018.

-  [53] [°] Vinogradoff V., Bernard S., Le Guillou C. & Remusat L. Evolution of interstellar organic compounds under asteroidal hydrothermal conditions. Icarus 305, 358-370, 2018.

-  [52] [°] Changela H.G., Le Guillou C., Bernard S. & Brearley A.J. Hydrothermal evolution of the morphology, molecular composition and distribution of organic matter in CR chondrites. Meteorite and Planetary Sciences 53, 1006-1029, 2018.

-  [51] Miot J., Bernard S., Bourreau M., Guyot F. & Kish A. Experimental fossilization of Archaea encrusted by Fe-phosphates. Scientific Reports 7, 16984, 2017.

-  [50] Bernard S., Daval D., Ackerer P., Pont S. & Meibom A. Burial-induced oxygen isotope re-equilibration of fossil foraminifera explains ocean paleotemperature paradoxes. Nature Communications 8, 1134, 2017.

-  [49] [°] Jauvion C., Charbonnier S. & Bernard S. A new look at the shrimps (Crustacea, Decapoda, Penaeoidea) from the Middle Jurassic La Voulte-sur-Rhône Lagerstätte. Geodiversitas 39(4), 705-716, 2017.

-  [48] [°] Gueriau P., Rueff JP., Bernard S., Kaddissy J., Goler S., Sahle C., Sokaras D., Wogelius R.,  Manning P., Bergmann U. & Bertrand L. In situ synchrotron-based X-ray Raman scattering discriminates carbonaceous compounds in ancient and historical materials. Analytical Chemistry 89(20), 10819-10826, 2017.

-  [47] Daval D., Bernard S., Rémusat L., Wild B., Guyot F., Micha J.S., Rieutord F., Magnin V. & Fernandez-Martinez A. Dynamics of altered surface layer formation on dissolving silicates. Geochimica et Cosmochimica Acta 209, 51-69, 2017.

-  [46] [°] Alleon J., Bernard S., Le Guillou C., Daval D., Skouri-Panet F., Kuga, M. & Robert F. Organic molecular heterogeneities can withstand diagenesis. Scientific Reports 7, 1508, 2017.

-  [45] [°] Vinogradoff V., Le Guillou C., Bernard S., Binet, L., Cartigny, P., Brearley A.J & Remusat L. Paris vs. Murchison: Impact of hydrothermal alteration on organic matter in CM chondrites. Geochimica et Cosmochimica Acta 212, 234-252, 2017.

-  [44] [°] Han J., Horsfield B., Wirth R., Mahlstedt N. & Bernard S. Oil retention and porosity evolution in organic-rich shales. AAPG Bulletin 101(6), 807-827, 2017.

-  [43] [°] Alleon J., Bernard S., Le Guillou C., Daval D., Skouri-Panet F., Pont S., Delbes L. & Robert F. Early entombment within silica minimizes the molecular degradation of microorganisms during advanced diagenesis. Chemical Geology 437, 98-108, 2016.

-  [42] [°] Alleon J., Bernard S., Le Guillou C., Marin-Carbonne J., Pont S., Beyssac O., McKeegan, K.D. & Robert F. Molecular preservation of 1.88-Ga Gunflint organic microfossils as a function of temperature and mineralogy. Nature Communications 7, 11977, 2016.

-  [41] [°] Gueriau, P., Bernard S. & Bertrand L. Advanced synchrotron characterization of paleontological specimens Elements 12, 45-50, 2016.

-  [40] Bertrand L., Bernard S., Marone F., Thoury M., Reiche I., Gourrier A., Sciau P. & Bergmann, U. Emerging approaches in synchrotron studies of materials from cultural and natural history collections. Topics in Current Chemistry 374, n°7, 2016.

-  [39] Remusat L., Piani L. & Bernard S. Thermal recalcitrance of the organic D-rich component of ordinary chondrites. Earth and Planetary Science Letters 435, 36-44, 2016.

-  [38] Barré P., Plante A.F., Cécillon L., Lutfalla S., Baudin F., Bernard S., Christensen B.T., Eglin T., Fernandez J., Houot S., Kätterer T., Le Guillou C., Macdonald A., van Oort F. & Chenu C. The energetic and chemical signatures of persistent soil organic matter. Biogeochemistry, doi: 10.1007/s10533−016−0246−0, 2016.

-  [37] Kish A., Miot J., Lombard C., Guigner J−M., Bernard S., Zirah S. & Guyot F. Preservation of archeal surface layer structure during mineralization. Scientific Reports 6, 26152, 2016.

-  [36] [°] Mirvaux B., Recham N., Miot J., Courty M., Bernard S., Beyssac O., Davoisne C., Sougrati M., Demortière A., Guyot F., Tarascon J.M. & Larcher D. Iron Phosphate / Bacteria composites as precursors for textured electrode materials with enhanced electrochemical properties. Journal of the Electrochemical Society, 163 (10), A1−A10, 2016.

-  [35] Bernard S., Benzerara K., Beyssac O., Balan E. & Brown Jr. G.E. Evolution of the macromolecular structure of sporopollenin during thermal degradation. Heliyon 1, e00034, 2015.

-  [34] Rouchon V., Bernard S. Mapping iron gall ink penetration within paper fibres using scanning transmission X-ray microscopy. Journal of Analytical Atomic Spectrometry 30, 635-641, 2015.

-  [33] [°] Alleon J., Bernard S., Remusat L. & Robert F. Estimation of nitrogen-to-carbon ratios of organics and carbon materials at the submicrometer scale. Carbon 84, 290-298, 2015

-  [32] [°] Robin N., Bernard S., Miot J., Blanc-Valleron M.M., Charbonnier S. & Petit G. Calcification and diagenesis of bacterial colonies. Minerals 5, 488-506, 2015.

-  [31] [°] Saldi G.D., Daval D., Guo H., Guyot F., Bernard S., Le Guillou C., Davis J.A. & Knauss K.G. Mineralogical evolution of Fe-Si-rich layers at the olivine-water interface during carbonation reactions.American Mineralogist 100, 2655-2669, 2015

-  [30] [°] Iniesto M., Zeyen N., López-Archilla A.I., Bernard S., Buscalioni A.D., Guerrero M.C. & Benzerara K., Preservation in microbial mats: mineralization by a talc-like phase of a fish embedded in a microbial sarcophagus. Frontiers in Earth Science 3(51), 1-13, 2015

-  [29] Bernard S. & Papineau D. Graphitic carbons and biosignatures. Elements 10(6), 345-350, 2014.

-  [28] Bernard S. & Horsfield B. Thermal maturation of gas shale systems. Annual Review of Earth and Planetary Science 42, 635-651, 2014.

-  [27] Bernard S. & Horsfield B. Reply to comment on “Formation of nanoporous pyrobitumen residues during maturation of the Barnett Shale (Fort Worth Basin)”. International Journal of Coal Geology 127, 114-115, 2014.

-  [26] [°] Li J., Bernard S., Benzerara K., Beyssac O., Allard T., Cosmidis J. & Moussou J. Impact of biomineralization on the preservation of microorganisms during fossilization: an experimental perspective. Earth and Planetary Science Letters 400, 113-122, 2014.

-  [25] [°] Le Guillou C., Bernard S., Brearley A.J. & Remusat L. Evolution of organic matter in Orgueil, Murchison and Renazzo during parent body aqueous alteration: in-situ investigations. Geochimica et Cosmochimica Acta 131, 368-392, 2014.

-  [24] Romero-Sarmiento M.F., Rouzaud J.N., Bernard S., Deldicque D., Thomas M. & Littke R. Evolution of Barnett Shale organic carbon structure and nanostructure as a function of increasing maturation. Organic Geochemistry 71, 7-16, 2014.

-  [23] [°] Kuga M., Carrasco N., Marty B., Marrocchi Y., Bernard S., Rigaudier T., Fleury B. & Tissandier L. Nitrogen isotopic fractionation during abiotic synthesis of organic solid particles. Earth and Planetary Science Letters 393, 2-13, 2014.

-  [22] Miot J., Li J., Benzerara K., Sougrati M.T., Ona-Nguema G., Bernard S., Jumas J-C. & Guyot F. Formation of single domain magnetite by green rust oxidation promoted by microbial anaerobic nitrate-dependent iron oxidation. Geochimica et Cosmochimica Acta 139, 327-343, 2014.

-  [21] El Albani A., Bengtson S., Canfield D.E., Riboulleau A., Rollion Bard C., Macchiarelli R., Ngombi Pemba L., Hammarlund E., Meunier A., Moubiya Mouele I., Benzerara K., Bernard S., Boulvais P., Chaussidon M., Cesari C., Fontaine C., Chi-Fru E., Garcia Ruiz J.M., Gauthier-Lafaye F., Mazurier A., Pierson-Wickmann A.C., Rouxel O., Trentesaux A., Vecoli M., Versteegh G.J.M., White L., Whitehouse M. & Bekker A. The 2.1 Ga old Francevillian biota: biogenicity, taphonomy and biodiversity. Plos One 9(6), e99438. doi:10.1371/journal.pone.0099438, 2014

-  [20] [°] Le Guillou C., Remusat L., Bernard S., Brearley A.J. & Leroux H. Amorphization and D/H fractionation of kerogens during experimental electron irradiation: comparison with chondritic organic matter. Icarus 226(1), 101-110, 2013.

-  [19] [°] Li J., Benzerara K., Bernard S. & Beyssac O. The link between biomineralization and fossilization of bacteria: Insights from field and experimental studies. Chemical Geology 359, 49-69, 2013.

-  [18] [°] Pasini V., Brunelli D., Dumas P., Sandt C., Frederick J., Benzerara K., Bernard S. & Ménez B. Low temperature hydrothermal oil and associated biological precursors in serpentinites from a MidOceanic Ridge. Lithos 178, 84-95, 2013.

-  [17] Bernard S., Wirth R., Schreiber A., Schulz H-M. & Horsfield B. Formation of nanoporous pyrobitumen residues during maturation of the Barnett Shale (Fort Worth Basin). International Journal of Coal Geology 103, 3-11, 2012.

-  [16] Bernard S., Horsfield B., Schulz H-M., Wirth R., Schreiber A. & Sherwood N. Geochemical evolution of organic-rich shales with increasing maturity: a STXM and TEM study of the Posidonia Shale (Lower Toarcian, northern Germany), Marine and Petroleum Geology 31(1), 70-89, 2012

-  [15] [°] Couradeau E., BenzeraraK., Gérard E., Moreira D., BernardS., Brown Jr. GE., LópezGarcía P. An early-branching microbialite cyanobacterium forms intracellular carbonates. Science, 336(6080) 459-462, 2012.

-  [14] [°] Galvez M.E., Beyssac O., Benzerara K., Menguy N., Bernard S., Cox S.C. Micro and Nanotextural evidence of Ti(-Ca-Fe) mobility during fluid-rock interactions in carbonaceous lawsonitebearing rocks from New Zealand. Contribution to Mineralogy and Petrography 164(5), 895-891, 2012.

-  [13] [°] Galvez M.E., Beyssac O., Benzerara K., Bernard S., Menguy N., Cox S.C., Martinez I., Johnston M.R. & Brown Jr G.E. Morphological preservation of carbonaceous plant fossils in high grade metamorphic rocks from New Zealand. Geobiology 10(2), 118-129, 2012.

-  [12] Bernard S., Horsfield B., Schulz H-M., Schreiber A., Wirth R., Vu T.T.A., Perssen F., Könitzer S., Volk H., Sherwood N. & Fuentes D. Multi-scale detection of organic and inorganic signatures provides insights into gas shale properties and evolution. Chemie der Erde - Geochemistry, 70(S3), 119-133, 2010.

-  [11] Bernard S., Benzerara K., Beyssac O., Brown Jr. GE. Multiscale characterization of pyritized plant tissues in blueschist facies metamorphic rocks. Geochimica et Cosmochimica Acta 74, 50545068, 2010.

-  [10] Bernard S., Beyssac O., Benzerara K., Findling N. & Brown Jr G.E. XANES, Raman and XRD signatures of anthracene-based cokes and saccharose-based chars submitted to high temperature pyrolysis. Carbon, 48, 2506-2516, 2010.

-  [09] [°] Corvisier J., Brunet F., Fabbri A., Bernard S., Findling N., Rimele G., Barlet-Gouédard V., Beyssac O. & Goffe B. Raman mapping and numerical simulation of the distribution of CaCO3 polymorphs in experimentally carbonated Portland cement cores. European Journal of Mineralogy, 22(1), 63-74, 2010.

-  [08] Bernard S., Benzerara K., Beyssac O., Brown Jr GE., Grauvogel-Stamm L. & Duringer P. Ultrastructural and chemical study of modern and fossil sporoderms by Scanning Transmission X-ray Microscopy (STXM). Review of Palaeobotany and Palynology, 156, 248-261, 2009.

-  [07] [°] Miot J., Benzerara K., Morin G., Bernard S., Beyssac O., Larquet E., Ona-Nguema G., Kappler A. & Guyot F. Transformation of vivianite by anaerobic nitrate-reducing iron-oxidizing bacteria, Geobiology, 7, 373-384, 2009.

-  [06] [°] Miot J., Benzerara K., Morin G., Kappler A., Bernard S., Obst M., Férard C., Skouri-Panet F., Guigner J.M., Posth N., Galvez M. & Brown Jr G.E. Iron biomineralization by neutrophilic ironoxidizing bacteria. Geochimica et Cosmochimica Acta, 73(3), 696-711, 2009.

-  [05] Chopin C., Beyssac O., Bernard S. & Malavieille J. Aragonite-garnet intergrowths in eclogitefacies marble, Corsica. European Journal of Mineralogy, 20/5, 857-865, 2008.

-  [04] Bernard S., Beyssac O. & Benzerara K. Raman mapping using advanced line-scanning systems:  geological applications. Applied Spectroscopy, 62/11, 1180-1188, 2008.

-  [03] Bernard S., Benzerara K., Beyssac O., Menguy N., Guyot F., Brown Jr G.E. & Goffe B. Exceptional preservation of plant fossils in high-pressure metamorphic rocks. Earth and Planetary Science Letters, 262/1-2, 257-272, 2007.

-  [02] [°] Simoes M., Avouac JP., Chen YG., Singhvi AK., Wang CY., Chan YC., Jaiswal M. & Bernard S. Kinematic analysis of the Pakuashan fault tip fold, west central Taiwan: Shortening rate and age of folding inception. Journal of Geophysical Research, 112, B03S14, 2007.

-  [01] Bernard S., Avouac JP., Dominguez S. & Simoes M. Kinematics of fault-related folding derived from a sandbox experiment. Journal of Geophysical Research, 112, B03S12, 2007.


Main Collaborations  

- Biosignatures in ancient rocks: P. Sans-Jofre (IMPMC, Paris, France), R. Summons (MIT, Boston, USA), S. Charbonnier (CR2P, Paris, France), J. Marin (UNIL, Lausanne, Switzerland).

- Hydrothermal alteration processes: L. Remusat (IMPMC, Paris, France), M. Jaber (LAMS, Paris, France), C. Le Guillou (UMET, Lille, France), B. Zanda (IMPMC, Paris, France),

- Diagenesis and reliability of paleoclimate proxies: A. Meibom (EPFL, Lausanne, Switzerland), D. Daval (LHyGeS, Strasbourg, France), P. Ackerer (LHyGeS, Strasbourg, France).

- Hydrocarbon generation processes: B. Horsfield (GFZ, Potsdam, Germany), H.M. Schulz (GFZ, Potsdam, Germany), R. Wirth (GFZ, Potsdam, Germany).

- Extraterrestrial organic compounds: L. Remusat (IMPMC, Paris, France), C. Le Guillou (UMET, Lille, France), A. Brearley (UNM, NM, USA), G. Danger (PIIM, Marseille, France).

- Mars exploration (Mars2020): O. Beyssac (IMPMC, Paris, France), V. Sautter (IMPMC, Paris France), K. Benzerara (IMPMC, Paris, France) and the SuperCam Science Team. 



Traductions :