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333 results on '"Toniolo Lucia"'

1. Hyperspectral imaging of stone biofilms at the macroscopic scale

Author

Candeo Alessia, Di Benedetto Alessia, Berti Letizia, Cappitelli Francesca, Villa Federica, Goidanich Sara, Valentini Gianluca, Manzoni Cristian, Toniolo Lucia, and Comelli Daniela

Subjects
Physics, QC1-999
Abstract

The ability to observe traces of biological material on buildings and stone artworks is of particular importance in understanding how to best deal with them and maybe, in the future, even make use of biofilms for conservation science. We have identified hyperspectral imaging as a viable method for the efficient analysis of such biological materials. Thanks to the high throughput of our approach based on an interferometric method based on Fourier Transform, we were not only able to detect traces of biofilms on stone samples, but also to map in which areas these were found to have higher biological activity.

Published
2023
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4. Preliminary Investigations, Condition Assessment, and Mapping of the Deterioration Patterns

Author

Gulotta, Davide, Toniolo, Lucia, van den Berg, Klaas Jan, Series Editor, Burnstock, Aviva, Series Editor, Janssens, Koen, Series Editor, van Langh, Robert, Series Editor, Mass, Jennifer, Series Editor, Nevin, Austin, Series Editor, Lavedrine, Bertrand, Series Editor, Ormsby, Bronwyn, Series Editor, Strlic, Matija, Series Editor, Gherardi, Francesca, editor, and Maravelaki, Pagona Noni, editor

Published
2022
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5. Modelling the Effects of Protective Treatments in Porous Materials

Author

Bretti, Gabriella, Filippo, Barbara De, Natalini, Roberto, Goidanich, Sara, Roveri, Marco, Toniolo, Lucia, Alberti, Giovanni, Series Editor, Patrizio, Giorgio, Editor-in-Chief, Bracci, Filippo, Series Editor, Canuto, Claudio, Series Editor, Ferone, Vincenzo, Series Editor, Fontanari, Claudio, Series Editor, Moscariello, Gioconda, Series Editor, Pistoia, Angela, Series Editor, Sammartino, Marco, Series Editor, Bonetti, Elena, editor, Cavaterra, Cecilia, editor, Natalini, Roberto, editor, and Solci, Margherita, editor

Published
2021
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8. The Oslo Opera House – Condition Analysis and Proposal for Cleaning, Protection and Maintenance of Exterior Marble

Author

Maravelaki, Pagona-Noni, Toniolo, Lucia, Gherardi, Francesca, Kapridaki, Chrysi, Arabatzis, Ioannis, Barbosa, Simone Diniz Junqueira, Editorial Board Member, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Kotenko, Igor, Editorial Board Member, Yuan, Junsong, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Moropoulou, Antonia, editor, Korres, Manolis, editor, Georgopoulos, Andreas, editor, Spyrakos, Constantine, editor, and Mouzakis, Charalambos, editor

Published
2019
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21. The Effect of Exposure Condition on the Composition of the Corrosion Layers of the San Carlone of Arona.

Author

Petiti, Chiara, Salvadori, Barbara, Vettori, Silvia, Welter, Jean Marie, Guzmán García Lascurain, Paulina, Toniolo, Lucia, and Goidanich, Sara

Subjects
COPPER, OXALATES
Abstract

The Colossus of San Carlo Borromeo, named San Carlone for its large dimensions, represents a unique opportunity to study the long-term effects of atmospheric corrosion on patina formation on historic copper sheets. The sculpture's large dimensions, complex geometry, direct visitor interaction, and exposure conditions generate different microclimates. The purpose of this study is to understand how and to what extent these microclimates affect the formation of the copper patinas. The results show that microclimates play a key role in patina formation: in external surfaces exposed to rain, the main constituent is brochantite, whereas a wider variety of corrosion products have been found in sheltered and internal surfaces, such as antlerite, atacamite, copper oxalate, posnjakite, and anglesite. [ABSTRACT FROM AUTHOR]

Published
2023
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39. Commercial NHL-containing mortars for the preservation of historical architecture. Part 2: durability to salt decay

Author

Gulotta, Davide, Goidanich, Sara, Tedeschi, Cristina, and Toniolo, Lucia

Subjects
Mortar -- Analysis -- Mechanical properties, Building materials -- Service life, Concrete -- Analysis -- Mechanical properties, Business, Construction and materials industries
Abstract

ABSTRACT The evaluation of the salt decay susceptibility of commercial NHL-based binders and pre-mixed mortars is reported. These products were chosen due to their increasing use not only in the [...]

Published
2015
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49. Fluorescence lifetime imaging and spectroscopy as tools for nondestructive analysis of works of art

Author

Comelli, Daniela, D'Andrea, Cosimo, Valentini, Gianluca, Cubeddu, Rinaldo, Colombo, Chiara, and Toniolo, Lucia

Subjects
Optics -- Research, Astronomy, Physics
Abstract

A system for advanced fluorescence investigation of works of art has been assembled and integrated in a characterization procedure that allows one to localize and identify organic compounds that are present in artworks. At the beginning of the investigation, fluorescence lifetime imaging and spectroscopy address a selective microsampling of the artwork. Then analytical measurements of microsamples identify the chemical composition of the materials under investigation. Finally, on the basis of fluorescence lifetime and amplitude maps, analytical data are extended to the whole artwork. In such a way, information on the spatial distribution of organic materials can be inferred. These concepts have been successfully applied in an extensive campaign for analysis of Renaissance fresco paintings in Castiglione Olona, Italy. Residue of various types of glue and stucco left from a restoration carried out in the early 1970s was localized and classified. Insight into the technique used by the painter to make gilded reliefs was also obtained. OCIS codes: 300.6500, 300.2530, 110.2970, 160.2540.

Published
2004

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