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Beyond X-ray tomography for the diagnosis of wooden works and finds: Multiparametric and multimodal 2D and 3D approaches by nuclear magnetic resonance.

Capuani S.
  Giovedì 15/09   09:00 - 13:00   Aula L - Christa Mc Auliffe   VI - Fisica applicata, acceleratori e beni culturali   Presentazione
Non-destructive and non-invasive approaches are fundamental for cultural heritage investigations. X-ray Computed Tomography (CT) and Nuclear Magnetic Resonance (NMR) are the most important imaging techniques in the medical diagnostics field. We have translated the technology used in medical diagnostics to the diagnostics of cultural heritage, by adapting and developing it thanks to funding from DTC of Lazio Region. We will introduce the different NMR instrumentation, used in the laboratory, $in situ$, and in clinical diagnostics showing different applications for the study of wooden works and waterlogged archaeological wood. 2D images and 3D reconstructions of Neolithic tools (from the collection of the Museo Delle Civiltà in Rome) were obtained with a clinical NMR scanner and NMR images were obtained at high magnetic field with a linear resolution of around 20 microns for the recognition of wood essences. We will demonstrate a new NMR protocol to be used with portable $in situ$ NMR instrumentation for monitoring the conservation status of submerged archaeological wood. NMR results and information obtained on different wood samples were compared to those obtained using CT.