Zobrazeno 1 - 10 of 26 pro vyhledávání: '"Serge X. Cohen"'
1
Disentangling the chemistry of Australian plant exudates from a unique historical collection
Autor: Rafaella Georgiou, Rachel S. Popelka-Filcoff, Dimosthenis Sokaras, Victoria Beltran, Ilaria Bonaduce, Jordan Spangler, Serge X. Cohen, Roy Lehmann, Sylvain Bernard, Jean-Pascal Rueff, Uwe Bergmann, Loïc Bertrand
Publikováno v: Proceedings of the National Academy of Sciences of the United States of America
Proceedings of the National Academy of Sciences of the United States of America, 2022, 119 (22), pp.2116021119. ⟨10.1073/pnas.2116021119⟩
International audience; For thousands of years, the unique physicochemical properties of plant exudates have defined uses in material culture and practical applications. Native Australian plant exudates, including resins, kinos, and gums, have been u
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33518278dad3b961279c639e963f2d96
https://doi.org/10.1073/pnas.2116021119
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2
Hierarchical Clustering of Spectral Images with Spatial Constraints for the Rapid Processing of Large and Heterogeneous Data Sets
Autor: Gilles Celeux, Serge X. Cohen, Agnès Grimaud, Pierre Gueriau
Publikováno v: SN Computer Science
SN Computer Science, 2022, 3 (194), ⟨10.1007/s42979-022-01074-4⟩
International audience; When dealing with full spectrum images in which each pixel is characterized by a full spectrum, ie. spectral images, standard segmentation methods, such as k-means or hierarchical clustering might be either inapplicable or ina
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::20b19a0934668e58a89cc7ec517c8202
https://doi.org/10.1007/s42979-022-01074-4
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3
Akademický článek
Trace elemental imaging of rare earth elements discriminates tissues at microscale in flat fossils.
Autor: Pierre Gueriau, Cristian Mocuta, Didier B Dutheil, Serge X Cohen, Dominique Thiaudière, OT1 Consortium, Sylvain Charbonnier, Gaël Clément, Loïc Bertrand
Publikováno v: PLoS ONE, Vol 9, Iss 1, p e86946 (2014)
The interpretation of flattened fossils remains a major challenge due to compression of their complex anatomies during fossilization, making critical anatomical features invisible or hardly discernible. Key features are often hidden under greatly pre
Externí odkaz: https://doaj.org/article/98eca160914b4138a074447d28204c25
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4
Deciphering the Chemistry of Cultural Heritage: Targeting Material Properties by Coupling Spectral Imaging with Image Analysis
Autor: Étienne Anheim, Loïc Bertrand, Pierre Gueriau, Mathieu Thoury, Serge X. Cohen
Publikováno v: Accounts of Chemical Research
Accounts of Chemical Research, American Chemical Society, 2021, 54 (13), pp.2823-2832. ⟨10.1021/acs.accounts.1c00063⟩
International audience; ConspectusThe chemical study of materials from natural history and cultural heritage, which provide information for art history, archeology, or paleontology, presents a series of specific challenges. The complexity of these an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bc89b175d23cd56850845b284eee0275
https://hal.archives-ouvertes.fr/hal-03329879/file/Bertrand21c.pdf
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5
Micro-computed tomography for discriminating between different forming techniques in ancient pottery: new segmentation method and pore distribution recognition
Autor: Serge X. Cohen, Didier F. Pisani, Didier Binder, Juliette Leblond, Louise Gomart, Vanna Lisa Coli, Laure Blanc-Féraud
Publikováno v: Archaeometry
Archaeometry, Wiley, In press
Archaeometry, Wiley, In press, ⟨10.1111/arcm.12693⟩
Archaeometry, 2021, ⟨10.1111/arcm.12693⟩
International audience; Micro-computed tomography is a valuable tool for studying ancient ceramics technology. Analysing pottery 3-D images is a challenging issue, the data being extremely noisy and heterogeneous. Quantitative criteria are introduced
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::05223e3807ec4ec23aec77c96957cf71
https://hal.archives-ouvertes.fr/hal-03225382
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6
Robust framework and software implementation for fast speciation mapping
Autor: Loïc Bertrand, Samuel M. Webb, Pierre Gueriau, Emmanuel Curis, Serge X. Cohen
Publikováno v: Journal of Synchrotron Radiation, vol. 27, no. 4
Journal of Synchrotron Radiation
Journal of Synchrotron Radiation, International Union of Crystallography, 2020, 27 (4), pp.1049-1058. ⟨10.1107/S1600577520005822⟩
Journal of Synchrotron Radiation, 2020, 27 (4), pp.1049-1058. ⟨10.1107/S1600577520005822⟩
One of the greatest benefits of synchrotron radiation is the ability to perform chemical speciation analysis through X-ray absorption spectroscopies (XAS). XAS imaging of large sample areas can be performed with either full-field or raster-scanning m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b544a16268a3a09028bd47d3e787e14e
https://pubmed.ncbi.nlm.nih.gov/33566015
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7
IPANEMA, un laboratoire dédié à l'étude des matériaux anciens et patrimoniaux par méthodes synchrotron
Autor: Mathieu Thoury, Serge X. Cohen, Sebastian Schoeder, Sophie David, Loïc Bertrand
Publikováno v: Reflets de la Physique
Reflets de la Physique, EDP sciences, 2019, 63, pp.21. ⟨10.1051/refdp/201963021⟩
Le démarrage de la construction du synchrotron SOLEIL au début des années 2000 est l’occasion de poser de manière renouvelée la question de l’apport de ce grand instrument à de nouveaux champs de recherche qui touchent l’ensemble de la so
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9f4c6e30d58eacc1c113855856b1a5b
https://hal.archives-ouvertes.fr/hal-02377530/document
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8
Synchrotron-Based Phase Mapping in Corroded Metals: Insights from Early Copper-Base Artifacts
Autor: P. Galtier, Marta Bellato, Martin Baillon, Andrew King, Jiayi Li, Ariane Thomas, Christophe Moulherat, Loïc Bertrand, Luc Robbiola, Pierre Gueriau, Cécile Fossé, Mathieu Thoury, Serge X. Cohen
Publikováno v: Analytical Chemistry
Analytical Chemistry, American Chemical Society, 2019, 91 (3), pp.1815-1825. ⟨10.1021/acs.analchem.8b02744⟩
International audience; The detailed description of corrosion processes in ancient and historical metal artifacts currently relies on the in-depth study of prepared cross sections. The in-plane elemental and phase distributions can be established fro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0eb4375d3721619e9754872262518b4
https://hal.archives-ouvertes.fr/hal-02138442
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9
Developments in the CCP4 molecular-graphics project
Autor: Martin E.M. Noble, Kevin Cowtan, Jan Gruber, Liz Potterton, Anastassis Perrakis, Stuart McNicholas, Paul Emsley, Serge X. Cohen, Garib N. Murshudov, Eugene Krissinel
Publikováno v: Acta Crystallographica Section D: Biological Crystallography
Acta Crystallographica Section D: Biological Crystallography, International Union of Crystallography, 2004, 60 (12), pp.2288-2294. ⟨10.1107/S0907444904023716⟩
Progress towards structure determination that is both high-throughput and high-value is dependent on the development of integrated and automatic tools for electron-density map interpretation and for the analysis of the resulting atomic models. Advanc
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d45db1fe4747b9436e572da665c2f672
https://ora.ox.ac.uk/objects/uuid:2de374dc-7491-4100-9644-c8f587732e92
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10
The medieval iron market in Ariège (France). Multidisciplinary analytical approach and multivariate analyses
Autor: Serge X. Cohen, Philippe Fluzin, Bernard Gratuze, Catherine Verna, Florian Téreygeol, Loïc Bertrand, Philippe Dillmann, Stéphanie Leroy
Publikováno v: Journal of Archaeological Science
Journal of Archaeological Science, Elsevier, 2012, 39 (4), pp.1080-1093. ⟨10.1016/j.jas.2011.11.025⟩
The medieval iron market in Ariege (French Pyrenees) is characterised by its complexity leading to many questions regarding the ore used in relation to the artefacts encountered in archaeological settings. Despite the conclusive study of the treaty t
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c84874e7ca6fa163a253a849096a1b2b
https://doi.org/10.1016/j.jas.2011.11.025
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