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Title
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Correlated x-ray fluorescence and ptychographic nano-tomography on Rembrandt's The Night Watch reveals unknown lead "layer"
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Author
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Abstract
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| The Night Watch, one of the most famous masterpieces by Rembrandt, is the subject of a large research and conservation project. For the conservation treatment, it is of great importance to understand its current condition. Correlated nano-tomography using x-ray fluorescence and ptychography revealed a-so far unknown-lead-containing "layer", which likely acts as a protective impregnation layer applied on the canvas before the quartz-clay ground was applied. This layer might explain the presence of lead soap protrusions in areas where no other lead components are present. In addition to the three-dimensional elemental mapping, ptychography visualizes and quantifies components not detectable by hard x-ray fluorescence such as the organic fraction and quartz. The first-time use of this combination of synchrotron-based techniques on a historic paint micro-sample shows it to be an important tool to better interpret the results of noninvasive imaging techniques operating on the macroscale. |
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Language
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English
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Source (journal)
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Science Advances
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Publication
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2023
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ISSN
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2375-2548
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DOI
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10.1126/SCIADV.ADJ9394
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Volume/pages
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9
:50
(2023)
, p. 1-13
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Article Reference
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eadj9394
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ISI
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001142514700010
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Pubmed ID
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38100587
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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