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Article

Restoration of a XVII Century’s predella reliquary: From Physico-Chemical Characterization to the Conservation Process

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Restorer at Laurea Magistrale in Conservazione e Restauro per i Beni Culturali, Università degli Studi di Palermo, Viale delle Scienze pad 17, 90128 Palermo, Italy
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Dipartimento di Fisica e Chimica Emilio Segre, Università degli Studi di Palermo Viale delle Scienze, pad. 17, 90128 Palermo, Italy
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Dipartimento di Ingegneria, Università degli Studi di Palermo Viale delle Scienze, pad. 6, 90128 Palermo, Italy
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Institute of Fundamental Medicine and Biology, Kazan Federal University, Kreml uramı 18, 420008 Kazan, Republic of Tatarstan, Russia
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Authors to whom correspondence should be addressed.
Academic Editor: Magdalena Broda
Forests 2021, 12(3), 345; https://doi.org/10.3390/f12030345
Received: 23 February 2021 / Revised: 9 March 2021 / Accepted: 11 March 2021 / Published: 15 March 2021
(This article belongs to the Special Issue Historical Wood: Structure, Properties and Conservation)
We report on the restoration of a XVII century’s predella reliquary, which is a part of a larger setup that includes a wall reliquary and a wooden crucified Christ, both belonging to the church of “Madre Maria SS. Assunta”, in Polizzi Generosa, Sicily, Italy. The historical/artistic and paleographic research was flanked successfully by the scientific objective characterization of the materials. The scientific approach was relevant in the definition of the steps for the restoration of the artefact. The optical microscopy was used for the identification of the wood species. Electron microscopy and elemental mapping by energy-dispersive X-ray (EDX) was successful in the identification of the layered structure for the gilded surface. The hyperspectral imaging method was successfully employed for an objective chemical mapping of the surface composition. We proved that the scientific approach is necessary for a critical and objective evaluation of the conservation state and it is a necessary step toward awareness of the historical, liturgical, spiritual and artistic value. In the second part of this work, we briefly describe the conservation protocol and the use of a weak nanocomposite glue. In particular, a sustainable approach was considered and therefore mixtures of a biopolymer from natural resources, such as funori from algae, and naturally occurring halloysite nanotubes were considered. Tensile tests provided the best composition for this green nanocomposite glue. View Full-Text
Keywords: reliquary; electron microscopy; wood; restoration; halloysite nanotubes reliquary; electron microscopy; wood; restoration; halloysite nanotubes
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MDPI and ACS Style

Bettina, G.F.; Giambra, B.; Cavallaro, G.; Lazzara, G.; Megna, B.; Fakhrullin, R.; Akhatova, F.; Fakhrullin, R. Restoration of a XVII Century’s predella reliquary: From Physico-Chemical Characterization to the Conservation Process. Forests 2021, 12, 345. https://doi.org/10.3390/f12030345

AMA Style

Bettina GF, Giambra B, Cavallaro G, Lazzara G, Megna B, Fakhrullin R, Akhatova F, Fakhrullin R. Restoration of a XVII Century’s predella reliquary: From Physico-Chemical Characterization to the Conservation Process. Forests. 2021; 12(3):345. https://doi.org/10.3390/f12030345

Chicago/Turabian Style

Bettina, Giuseppina F., Belinda Giambra, Giuseppe Cavallaro, Giuseppe Lazzara, Bartolomeo Megna, Ramil Fakhrullin, Farida Akhatova, and Rawil Fakhrullin. 2021. "Restoration of a XVII Century’s predella reliquary: From Physico-Chemical Characterization to the Conservation Process" Forests 12, no. 3: 345. https://doi.org/10.3390/f12030345

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