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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Bertrand, Loïc; Schoeder, Sebastian; David, Sophie; Thoury, Mathieu;

    Les particularités du rayonnement synchrotron, notamment sa très grande brillance et son spectre blanc des rayons X à l’infrarouge lointain, en font une source de plus en plus employée pour l’étude de la composition chimique, des propriétés et de la réactivité des matériaux patrimoniaux. La construction de l’Institut photonique d’analyse non destructive européen des matériaux anciens, attenant au synchrotron SOLEIL, par l’État français et la Région Île-de-France permet un soutien fortement accru des équipes françaises et internationales travaillant à l’étude des matériaux anciens. Les allers-retours entre développement de méthodes et applications encouragent à la fois l’apparition de nouveaux instruments et un usage optimisé de techniques de spectroscopie et d’imagerie de pointe. Le développement d’IPANEMA sur le territoire de Paris-Saclay s’inscrit dans le cadre plus global de la mise en place de l’infrastructure européenne E-RIHS, dédiée à l’étude du patrimoine culturel et naturel. The specific features of synchrotron radiation, namely its very high brightness and its white spectrum from X-rays to far infrared light, make it an increasingly used source in the study of the chemical composition, properties and reactivity of ancient materials. Constructed by the French government and the Île-de-France region, adjacent to the SOLEIL synchrotron, IPANEMA (Institut photonique d’analyse non-destructive européen des matériaux anciens/European Institute of Non-Destructive Photonic Analysis of Ancient Materials), provides extensive additional support to French and international teams involved in research into ancient materials. Interaction between the development of methods and applications encourage both the emergence of new instruments and an optimized use of spectroscopic techniques and cutting-edge imaging. The building of IPANEMA on the Paris-Saclay site is part of a more global strategy within E-RIHS, the European Research Infrastructure for Heritage Science.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ OpenEditionarrow_drop_down
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    OpenEdition
    Article . 2019
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    Other literature type . 2016
    Technè
    Article . 2016 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ OpenEditionarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
      OpenEdition
      Article . 2019
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Other literature type . 2016
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      Article . 2016 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Gervais, Claire; Languille, Marie-Angélique; Reguer, Solenn; Gillet, Martine; +4 Authors

    Prussian blue (PB) and its analogues are widely studied because of their interesting and promising magnetic and optical properties. The pigment Prussian blue, found in different types of artworks (paintings, watercolors and photographs), is also studied in the area of heritage science, where its capricious fading behavior under light or anoxia treatment poses problematic conservation issues. PB fading is due to the reduction of iron(III) to iron(II) and depends significantly on the artefact. This paper focuses on the roles of the substrate in affecting the PB structure and modifying the redox process. In particular, X-ray absorption experiments at the Fe K-edge of unfaded and faded PB–paper samples show that changes in the PB structure can happen by simple contact with the substrate, prior to the fading treatment. Spectrophotometric measurements on a series of model PB–paper samples further demonstrate the multiple influences of the substrate and show that not only its chemical composition but also its role as a dispersion and textured medium significantly alter the fading behavior of PB. A potential roadmap is proposed to rationally investigate the complex fading process of Prussian blue on a substrate.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    https://doi.org/10.1039/C3JA50...
    Other literature type . Article . 2013 . Peer-reviewed
    Journal of Analytical Atomic Spectrometry
    Article . 2013 . Peer-reviewed
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Orange, Marie; Le Bourdonnec, François-Xavier; Bellot-Gurlet, Ludovic; Lugliè, Carlo; +4 Authors

    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 archaeological and anthropological issues linked to the diffusion and consumption of the obsidian raw material during the Neolithic period. Our line of action is to develop flexibly unique analytical strategies, tailored to each obsidian assemblage considered for a sourcing study. Drawing its strength from the complementarity of the methods available within our group, i.e. visual characterisation, SEM-EDS, ED-XRF, pXRF, PIXE, and LA-ICP-MS, this approach allows for the exhaustive and non-destructive analysis of those assemblages, thus optimising the potential of sourcing studies. Working hand in hand with archaeologists, the results are closely integrated to the information brought by the typological and technological characteristics of the artefacts, in the aim to reconstruct an overview of the obsidian economy at site level, but also to replace it in a broader - regional and supra-regional - context.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Journal of Archaeolo...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Journal of Archaeological Science Reports
    Other literature type . Article . 2017 . Peer-reviewed
    License: Elsevier TDM
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Bai, Xueshi; Syvilay, Delphine; Wilkie-Chancellier, Nicolas; Texier, Annick; +4 Authors

    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 layer made of a mixture of the cinnabar pigment and different binders. Three wavelengths based on Nd: YAG laser were investigated (1064, 532 and 266 nm). The plasma is controlled at the same electron temperature after an adjustment of pulse energy for these three wavelengths on a fresco sample without organic binder. This approach allows to eliminate the effects of laser pulse energy and the material laser absorption. Afterwards, the emission spectra were compared to separate different techniques. The organic binding media has been separated based on the relative emission intensity of the present CN or C 2 rovibrational emissions. In order to test the capability of separating or identifying, the chemometric approach (PCA) was applied to the different matrix. The different solutions in term of wavelength range to optimise the identification was investigated. We focused on the evaluation for the laser wavelength to insure a better separation. The different capacity was interpreted by differentiating 1 Corresponding author. E-mail address: vincent.detalle@culture.gouv.fr 2 the binders by the altered interaction mechanisms between the laser photon and the binders. Also, the electron temperature in the plasma was estimated, which provided the evidences to our findings.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ HAL Descartes; HAL C...arrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Oskar Bordeaux
    Article . 2017
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Spectrochimica Acta Part B Atomic Spectroscopy
    Other literature type . Article . 2017 . Peer-reviewed
    License: Elsevier TDM
    https://doi.org/10.48550/arxiv...
    Article . 2019
    License: arXiv Non-Exclusive Distribution
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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Rafaella Georgiou; Pierre Gueriau; Christoph J. Sahle; Sylvain Bernard; +5 Authors

    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 carbon chemistry in two exceptionally preserved specimens, a fossil plant dating back from the Carboniferous and an ancient insect entrapped in 53-million-year-old amber. The 2D XRS imaging of the plant fossil reveals a homogeneous chemical composition with micrometric “pockets” of preservation, likely inherited from its geological history. The 3D XRS imaging of the insect cuticle displays an exceptionally well preserved remaining chemical signature typical of polysaccharides such as chitin around a largely hollowed-out inclusion. Our results open up new perspectives for in situ chemical speciation imaging of fossilized organic materials, with the potential to enhance our understanding of organic specimens and their paleobiology. X-ray Raman multispectral imaging identifies the 3D chemistry of carbon in entire organic paleontological specimens.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Science Advancesarrow_drop_down
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    Science Advances
    Article . 2019
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Science Advances
    Article . 2019
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Science Advances
    Article . 2019
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    Science Advances
    Article . 2019 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ Science Advancesarrow_drop_down
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      Article . 2019
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      Science Advances
      Article . 2019
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      Article . 2019 . Peer-reviewed
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  • Authors: Bertrand, Loïc; David, Sophie; Cohen, Serge X.; Holowati, Susanna; +3 Authors

    The web directory of IPERION CH instruments and databases aims at providing researchers with information related to resources (instruments, databases and datasets) available within IPERION CH through a package of categories/metadata that help categorising them according to their different dimensions. A database model has been created.

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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Loïc Bertrand; Sylvain Bernard; Federica Marone; Mathieu Thoury; +4 Authors

    International audience; Synchrotrons have provided significant methods and instruments to study ancient materials from cultural and natural heritages. New ways to visualise (surfacic or volumic) morphologies are developed on the basis of elemental, density and refraction contrasts. They now apply to a wide range of materials, from historic artefacts to paleontological specimens. The tunability of synchrotron beams owing to the high flux and high spectral resolution of photon sources is at the origin of the main chemical speciation capabilities of synchrotron-based techniques. Although, until recently, photon-based speciation was mainly applicable to inorganic materials, novel developments based, for instance, on STXM and deep UV photoluminescence bring new opportunities to study speciation in organic and hybrid materials, such as soaps and organometallics, at a submicrometric spatial resolution over large fields of view. Structural methods are also continuously improved and increasingly applied to hierarchically structured materials for which organisation results either from biological or manufacturing processes. High-definition (spectral) imaging appears as the main driving force of the current trend for new synchrotron techniques for research on cultural and natural heritage materials.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Zurich Open Reposito...arrow_drop_down
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    https://doi.org/10.1007/978-3-...
    Part of book or chapter of book . 2016 . Peer-reviewed
    License: Springer TDM
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    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Topics in Current Chemistry
    Article . 2016 . Peer-reviewed
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  • Authors: Bertrand, Loïc; Charbonnel, Bénédicte; Castillejo, Marta; David, Sophie; +2 Authors

    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 the introduction of the E-RIHS Scientific and Technical description, one of the documents that will be produced to apply for the ERIC status.The first version of the E-RIHS Scientific Vision was elaborated in the framework of the task 9.1 “Excellence: priorities and strategy” of the WP9 of E-RIHS PP. European and national communities, as well as international partners, were widely consulted throughout the preparation process.A six pages flyer and a poster illustrating the Scientific Vision were also produced.

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  • Authors: Romary, Laurent; Puren, Marie;

    International audience; Le projet européen Iperion regroupe un ensemble d'acteurs européens offrant des services d'infrastructure pour l'étude du patrimoine matériel sous la forme d'équipements fixes ou mobiles. Ces différents services génèrent potentiellement de grandes quantités de données qu'il est nécessaire de gérer et documenter. En particulier, il semble utile de travailler à la constitution d'un réservoir de telles données qui soit consultable par une large communauté de chercheurs, notamment en sciences humaines. On peut ainsi penser au rôle que peuvent jouer des analyses précises d'une oeuvre pour un historien des arts qui souhaite étudier l'évolution de la technique d'un peintre par exemple. La mise en place d'une telle infrastructure de données réutilisables dans le domaine du patrimoine matériel se heurte cependant à plusieurs difficultés que nous essayons de réduire au sein du projet Iperion. Tout d'abord, il n'est pas nécessairement dans la culture du déploiement des équipements eux-mêmes d'envisager une réutilisation large des données. Le scénario de base est souvent celui d'un chercheur qui va conduire une analyse ciblée d'un objet patrimonial, pour ensuite exploiter lui-même les résultats correspondants et passer à l'analyse suivante, sans se préoccuper d'une réutilisation des données produites. Ensuite, du point de vue des formats de données, on observe l'absence de réels standards de représentation communs aux différents types d'équipements. On se retrouve ainsi à devoir gérer des données propriétaires qui dépendent principalement des constructeurs des équipements. Enfin, se posele problème complexe des droits d'utilisation qui combinent un ensemble de difficultés liées au statut des oeuvres elles-mêmes, aux règles régissant l'équipement, mais aussi à la volonté de partage du chercheur qui a effectué le recueil initial des données. Dans ce cadre, notre objectif est de mettre en place une démarche d'analyse de l'état des lieux et de proposition de principes communs de gestion des données au sein du projet. Il s'agirait ainsi de préfigurer une charte de gestion des données applicable à la future infrastructure européenne E-RIHS, en collaboration avec l'infrastructure numérique DARIAH en sciences humaines. Nous avons ainsi recueilli les réponses des différents partenaires du projet concernant à la fois les modes de gestion des équipements, et le statut des jeux de données disponibles. La variété des réponses obtenues montre déjà que seules des recommandations génériques pourront être produites à l'échelle européenne, et nous esquisserons quelques propositions dans ce sens. Laurent Romary est directeur de recherche à Inria où il mène des recherches dans le domaine des humanités numériques et plus particulièrement sur la modélisation et la représentation de données en sciences humaines et sociales. Depuis plusieurs années, il a contribué à la définition des politiques d'information scientifique du CNRS, de la société Max Planck et d'Inria, où il a contribué notamment à la définition d'une obligation de dépôt en archives ouvertes dans HAL. Il a aussi participé de longue date à la définition et à l'évolution des directives de la TEI (Text Encoding Initiative), notamment comme membre, mais aussi comme président du conseil technique de la TEI, et préside le comité 37 de l'ISO (Organisation international de normalisation). Il dirige l'infrastructure Européenne DARIAH pour le développement de méthodes numériques en sciences humaines et sociales. https://cv.archives-ouvertes.fr/laurentromary

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  • Authors: Bertrand, Loïc; Anglos, Demetrios; Castillejo, Marta; Charbonnel, Bénédicte; +4 Authors

    The study and preservation of tangible cultural and natural heritage is a global challenge for science and society at large. The European Research Infrastructure for Heritage Science (E-RIHS) will play a leading role in research on the interpretation, preservation, documentation and management of heritage. As an interdisciplinary infrastructure, E-RIHS will interconnect knowledge and methodologies to address key scientific questions in the field of heritage as a whole. The infrastructure is built on ten core pillars. It will provide a structured and unified input of large-scale instruments, portable devices, physical and digital archives. Its implementation will focus on scientific excellence, interdisciplinarity and cooperation. In doing so, it will offer unprecedented research opportunities to a wide range of interdisciplinary scientific communities.

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  • image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
    Authors: Bertrand, Loïc; Schoeder, Sebastian; David, Sophie; Thoury, Mathieu;

    Les particularités du rayonnement synchrotron, notamment sa très grande brillance et son spectre blanc des rayons X à l’infrarouge lointain, en font une source de plus en plus employée pour l’étude de la composition chimique, des propriétés et de la réactivité des matériaux patrimoniaux. La construction de l’Institut photonique d’analyse non destructive européen des matériaux anciens, attenant au synchrotron SOLEIL, par l’État français et la Région Île-de-France permet un soutien fortement accru des équipes françaises et internationales travaillant à l’étude des matériaux anciens. Les allers-retours entre développement de méthodes et applications encouragent à la fois l’apparition de nouveaux instruments et un usage optimisé de techniques de spectroscopie et d’imagerie de pointe. Le développement d’IPANEMA sur le territoire de Paris-Saclay s’inscrit dans le cadre plus global de la mise en place de l’infrastructure européenne E-RIHS, dédiée à l’étude du patrimoine culturel et naturel. The specific features of synchrotron radiation, namely its very high brightness and its white spectrum from X-rays to far infrared light, make it an increasingly used source in the study of the chemical composition, properties and reactivity of ancient materials. Constructed by the French government and the Île-de-France region, adjacent to the SOLEIL synchrotron, IPANEMA (Institut photonique d’analyse non-destructive européen des matériaux anciens/European Institute of Non-Destructive Photonic Analysis of Ancient Materials), provides extensive additional support to French and international teams involved in research into ancient materials. Interaction between the development of methods and applications encourage both the emergence of new instruments and an optimized use of spectroscopic techniques and cutting-edge imaging. The building of IPANEMA on the Paris-Saclay site is part of a more global strategy within E-RIHS, the European Research Infrastructure for Heritage Science.

    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ OpenEditionarrow_drop_down
    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Article . 2019
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    image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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    Technè
    Article . 2016 . Peer-reviewed
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/ OpenEditionarrow_drop_down
      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Article . 2019
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      image/svg+xml art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos Open Access logo, converted into svg, designed by PLoS. This version with transparent background. http://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg art designer at PLoS, modified by Wikipedia users Nina, Beao, JakobVoss, and AnonMoos http://www.plos.org/
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      Other literature type . 2016
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      Article . 2016 . Peer-reviewed
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  • image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    Authors: Gervais, Claire; Languille, Marie-Angélique; Reguer, Solenn; Gillet, Martine; +4 Authors

    Prussian blue (PB) and its analogues are widely studied because of their interesting and promising magnetic and optical properties. The pigment Prussian blue, found in different types of artworks (paintings, watercolors and photographs), is also studied in the area of heritage science, where its capricious fading behavior under light or anoxia treatment poses problematic conservation issues. PB fading is due to the reduction of iron(III) to iron(II) and depends significantly on the artefact. This paper focuses on the roles of the substrate in affecting the PB structure and modifying the redox process. In particular, X-ray absorption experiments at the Fe K-edge of unfaded and faded PB–paper samples show that changes in the PB structure can happen by simple contact with the substrate, prior to the fading treatment. Spectrophotometric measurements on a series of model PB–paper samples further demonstrate the multiple influences of the substrate and show that not only its chemical composition but also its role as a dispersion and textured medium significantly alter the fading behavior of PB. A potential roadmap is proposed to rationally investigate the complex fading process of Prussian blue on a substrate.

    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao https://doi.org/10.1...arrow_drop_down
    image/svg+xml Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao Closed Access logo, derived from PLoS Open Access logo. This version with transparent background. http://commons.wikimedia.org/wiki/File:Closed_Access_logo_transparent.svg Jakob Voss, based on art designer at PLoS, modified by Wikipedia users Nina and Beao
    https://doi.org/10.1039/C3JA50...
    Other literature type . Article . 2013 . Peer-reviewed
    Journal of Analytical Atomic Spectrometry
    Article . 2013 . Peer-reviewed
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