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Article

Varnishes with Biocidal Activity: A New Approach to Protecting Artworks

1
Department Painting, Faculty of Fine Arts, University of Seville, Laraña 3, 41003 Seville, Spain
2
Department Chemical Engineering, Faculty of Sciences, University of Granada, Avenida de Fuente Nueva, s/n, 18071 Granada, Spain
3
Deparment Painting, Faculty of Fine Arts, University of Granada, Avenida de Andalucía s/n, 18014 Granada, Spain
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(20), 7319; https://doi.org/10.3390/app10207319
Received: 29 July 2020 / Revised: 11 October 2020 / Accepted: 12 October 2020 / Published: 19 October 2020
(This article belongs to the Special Issue Microbial Communities in Cultural Heritage and Their Control)
Keeping agents that cause biodeterioration under control is a common task in restoring and conserving artworks. However, there are very few studies, specifically those concentrating on pictorial works, that provide solutions compatible with the complex mix of organic and inorganic materials to be found in such cultural assets. This study aims to use biocide products that are commonly used in this field (benzalkonium chloride, o-phenylphenol, and tributyltin naphthenate) and which are associated with natural varnishes with a long tradition in artistic practices, in order to protect paintings and polychrome sculptures from environmental fungi and bacteria without altering the original materials or the visual appearance of the artworks. The effectiveness or innocuousness of the treatments was tested chemically and visually via optical microscopy, gas chromatography–mass spectrometry (GC-MS), and a multidimensional scaling analysis (MDS); the treatments produced good results as regards the inhibition of microbial growth and scarce interaction with the artistic materials being studied. View Full-Text
Keywords: biocides; terpenoid varnishes; painting; fungi; bacteria; biodeterioration; GC-MS; MDS biocides; terpenoid varnishes; painting; fungi; bacteria; biodeterioration; GC-MS; MDS
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MDPI and ACS Style

Romero-Noguera, J.; Bailón-Moreno, R.; Bolívar-Galiano, F. Varnishes with Biocidal Activity: A New Approach to Protecting Artworks. Appl. Sci. 2020, 10, 7319. https://doi.org/10.3390/app10207319

AMA Style

Romero-Noguera J, Bailón-Moreno R, Bolívar-Galiano F. Varnishes with Biocidal Activity: A New Approach to Protecting Artworks. Applied Sciences. 2020; 10(20):7319. https://doi.org/10.3390/app10207319

Chicago/Turabian Style

Romero-Noguera, Julio, Rafael Bailón-Moreno, and Fernando Bolívar-Galiano. 2020. "Varnishes with Biocidal Activity: A New Approach to Protecting Artworks" Applied Sciences 10, no. 20: 7319. https://doi.org/10.3390/app10207319

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