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24 Research products, page 1 of 3

  • European Commission
  • IPERION CH
  • English
  • Hal-Diderot
  • HAL Descartes

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  • Open Access English
    Authors: 
    Lara Maldanis; Keyron Hickman-Lewis; Mariana Verezhak; Pierre Gueriau; Manuel Guizar-Sicairos; Plinio Jaqueto; Ricardo I.F. Trindade; André L. Rossi; Felisa Berenguer; Frances Westall; +2 more
    Publisher: Nature Portfolio
    Country: France
    Project: EC | IPERION CH (654028), EC | MASE (607297), EC | PSI-FELLOW-II-3i (701647)

    AbstractPrecambrian cellular remains frequently have simple morphologies, micrometric dimensions and are poorly preserved, imposing severe analytical and interpretational challenges, especially for irrefutable attestations of biogenicity. The 1.88 Ga Gunflint biota is a...

  • English
    Authors: 
    Bertrand, Loïc; Charbonnel, Bénédicte; Castillejo, Marta; David, Sophie; de Clercq, Hilde; Spring, Marika;
    Publisher: HAL CCSD
    Country: France
    Project: EC | E-RIHS PP (739503), EC | IPERION CH (654028)

    This Scientific Vision aims to monitor the landscape of the setting up of the E-RIHS infrastructure, to describe the main scientific ambitions of E-RIHS in the coming years and to outline what pathways will be used to achieve them.The E-RIHS Scientific Vision will be th...

  • Closed Access English
    Authors: 
    D. Syvilay; Xueshi Bai; Nicolas Wilkie-Chancellier; A. Texier; Loic Martinez; Stéphane Serfaty; Vincent Detalle;
    Publisher: HAL CCSD
    Country: France
    Project: EC | IPERION CH (654028)

    Abstract The aim of this research project was the development of a hybrid system in laboratory coupling together three analytical techniques, namely laser-induced breakdown spectroscopy (LIBS), laser-induced fluorescence (LIF) and Raman spectroscopy in a single instrume...

  • Open Access English
    Authors: 
    Xueshi Bai; Delphine Syvilay; Nicolas Wilkie-Chancellier; A. Texier; Loic Martinez; Stéphane Serfaty; Dominique Martos-Levif; Vincent Detalle;
    Country: France
    Project: EC | IPERION CH (654028)

    International audience; The influence of ns-laser wavelength to discriminate ancient painting techniques such as are fresco, casein, animal glue, egg yolk and oil was investigated in this work. This study was carried out with a single shot laser on samples covered by a ...

  • Open Access English
    Authors: 
    Marie Orange; François-Xavier Le Bourdonnec; Ludovic Bellot-Gurlet; Carlo Lugliè; Stéphan Dubernet; Céline Bressy-Leandri; Anja Scheffers; Renaud Joannes-Boyau;
    Publisher: HAL CCSD
    Country: France
    Project: EC | IPERION CH (654028), ARC | Discovery Projects - Gran... (DP140100919)

    International audience; This paper presents an overview of the work conducted by our research group in the Mediterranean area. Initiated in the 1990s by the late Gérard Poupeau, our research relies on international and multidisciplinary collaborations to endeavour archa...

  • Open Access English
    Authors: 
    Rafaella Georgiou; Pierre Gueriau; Christoph J. Sahle; Sylvain Bernard; Alessandro Mirone; Romain Garrouste; Uwe Bergmann; Jean-Pascal Rueff; Loïc Bertrand;
    Publisher: HAL CCSD
    Country: France
    Project: EC | IPERION CH (654028), EC | E-RIHS PP (739503)

    The in situ two-dimensional (2D) and 3D imaging of the chemical speciation of organic fossils is an unsolved problem in paleontology and cultural heritage. Here, we use x-ray Raman scattering (XRS)–based imaging at the carbon K-edge to form 2D and 3D images of the carbo...

  • Open Access English
    Authors: 
    Loïc Bertrand; Claire Gervais; Admir Masic; Luc Robbiola;
    Country: France
    Project: EC | IPERION CH (654028), EC | E-RIHS PP (739503), SNSF | New techniques for ancien... (PP00P2_138986)

    International audience; The process of mimicking properties of specific interest (such as mechanical, optical, and structural) observed in ancient and historical systems is designated here as paleo-inspiration. For instance, recovery in archae- ology or paleontology ide...

  • Closed Access English
    Authors: 
    D. Syvilay; Vincent Detalle; Nicolas Wilkie-Chancellier; A. Texier; Loic Martinez; Stéphane Serfaty;
    Publisher: HAL CCSD
    Country: France
    Project: EC | IPERION CH (654028)

    Abstract The investigation of cultural heritage materials is always complex and specific because unique. Materials are most often heterogeneous and organized in several layers such as mural paintings or corrosion products. The characterization of a complete artwork's st...

  • Open Access English
    Authors: 
    Giulia Masi; Andrea Balbo; Jérôme Esvan; Cecilia Monticelli; José Avila; Luc Robbiola; Elena Bernardi; Maria Chiara Bignozzi; Maria C. Asensio; Carla Martini; +1 more
    Publisher: Elsevier
    Countries: France, Italy, Italy
    Project: EC | IPERION CH (654028)

    Application of a protective coating is the most widely used conservation treatment for outdoor bronzes (cast Cu-Sn-Zn-Pb-Sb alloys). However, improving coating protectiveness requires detailed knowledge of the coating/substrate chemical bonding. This is particularly the...

  • Open Access English
    Authors: 
    Corentin Reynaud; Mathieu Thoury; Alexandre Dazzi; Gaël Latour; Mario Scheel; Jiayi Li; Ariane Thomas; Christophe Moulherat; Aurore Didier; Loïc Bertrand;
    Publisher: HAL CCSD
    Country: France
    Project: ANR | MORPHOSCOPE 2 (ANR-11-EQPX-0029), EC | IPERION CH (654028), ANR | NANOIMAGESX (ANR-11-EQPX-0031)

    The understanding of fossilization mechanisms at the nanoscale remains extremely challenging despite its fundamental interest and its implications for paleontology, archaeology, geoscience, and environmental and material sciences. The mineralization mechanism by which c...