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A multidisciplinary study of biodeteriorated Celje Ceiling, a tempera painting on canvas
ID Kavkler, Katja (Author), ID Humar, Miha (Author), ID Kržišnik, Davor (Author), ID Turk, Martina (Author), ID Tavzes, Črtomir (Author), ID Gostinčar, Cene (Author), ID Džeroski, Sašo (Author), ID Popovic, Stefan (Author), ID Penko, Ana (Author), ID Gunde-Cimerman, Nina (Author), ID Zalar, Polona (Author)

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Abstract
Interdisciplinary investigations of damaged cultural heritage objects have nowadays become standard practise. Numerous techniques in various fields may generate large amounts of data, difficult to interpret. Machine learning was applied to data collected from samples of a painting to build a predictive model of potential further biodeterioration and consequent damage to the paintings. We used this strategy for a deteriorated 17th century Celje Ceiling, tempera painting in a wooden frame, covering 143 m2 of the ceiling. An interdisciplinary approach, from monitoring microclimatic conditions and wood moisture content, to examinations using UV and VIS photography, analyses of paint layers and decay products by Raman and FTIR spectroscopy, SEM-EDS, and protein binders by ELISA, was used to assess current condition of the painting. Data from 535 painting's samples were subjected to analysis by machine learning methods. Moulding, the main cause of biodeterioration, was found to be strongly influenced by the position of the painting in the room and related microclimatic conditions. The presence of a coating layer, protein binders and pigments, such as goethite, ultramarine and kaolinite, had important role in mould development as well. The painting was mainly damaged by currently non-active, presumably xerophilic Aspergillus species, as determined by microscopy, cultivation and amplicon sequencing

Language:English
Keywords:tempera painting, wood, environmental monitoring, amplicon sequencing, fungi, bacteria
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Publication date:28.02.2022
Year:2022
Number of pages:1 spletni vir (1 datoteka PDF ([14 str.]))
Numbering:Vol. 170
PID:20.500.12556/RUL-138235 This link opens in a new window
UDC:630*8
ISSN on article:1879-0208
DOI:10.1016/j.ibiod.2022.105389 This link opens in a new window
COBISS.SI-ID:99197187 This link opens in a new window
Publication date in RUL:13.07.2022
Views:361
Downloads:86
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Record is a part of a journal

Title:International Biodeterioration & Biodegradation
Publisher:Elsevier
ISSN:1879-0208
COBISS.SI-ID:23266053 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:13.07.2022

Secondary language

Language:Slovenian
Keywords:les, tempera, slikanje, spremljanje stanja okolja, sekvenciranje amplikonov, glive, bakterije

Projects

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:J7-1815-2019
Name:Restoration of moldy canvas paintings: improvement or deterioration?

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:P4-0015-2020
Name:Les in lignocelulozni kompoziti

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:P1-0198-2018
Name:Molekularno-biološke raziskave mikroorganizmov

Funder:ARRS - Agencija za raziskovalno dejavnost Republike Slovenije
Project number:I0-0022-2015
Name:Mreža raziskovalnih infrastrukturnih centrov Univerze v Ljubljani (MRIC UL)

Project number:0
Name:Ministrstvo za kulturo

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