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Title: Darkening on Lead based pigments: microbiological contribution
Authors: Rosado, T
Gil, M
Mirão, J
Candeias, António
Cal, A Teresa
Keywords: mural painting
lead-based pigments alteration
biodeteriogenic agents
fungal proliferation
Issue Date: 2016
Publisher: Wiley
Citation: Tânia Rosado, Milene Gil, José Mirão, António Candeias and Ana Teresa Caldeira (2016) Darkening on Lead based pigments: microbiological contribution. Color Research and Application Color Research and Application 41 (3) ,pp.294
Abstract: The biodeterioration/biodegradation process is an important issue for the conservation of cultural heritage that needs urgent answers to their rehabilitation. In this way, the role of microorganisms in surfaces alteration was exploited. This work revealed a strong relationship between the microbiological proliferation and the damaged areas, evidencing the important role of the microorganisms in mural paintings alteration process. The oxidation of lead-based pigments noticeably contributes to the pigments alteration, and seems to be correlated with the presence of biodeteriorative microorganisms. The study of the mechanisms underlying the microbiological attack of mural paintings has been explored to understand as much as possible the proliferative ability and biodeteriorative capacity of the microorganisms, related to darkening on lead-based pigments
Type: article
Appears in Collections:HERCULES - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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