Microbially induced deterioration of architectural heritages: routes and mechanisms involved
Citations
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Cites background from "Microbially induced deterioration o..."
...Biological systems are able to accelerate some chemical and physical reactions, becoming detrimental for artwork conservation in both indoor and outdoor sites [1,2]....
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66 citations
Cites background from "Microbially induced deterioration o..."
...Colour alteration and the formation of black crust and patinas can also be expected [35]....
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...Being highly resistant to desiccation and extreme temperatures they can thrive in hostile environments, and are frequently favoured by the presence bird droppings, rich in organic nitrogen [35,40,42]....
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...Furthermore, the contraction-expansion cycles of lichens, consequence of desiccation and rehydration, can result in peeling and detachment of the upper mineral layer [18,35]....
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...The release of highly corrosive inorganic and organic acids, as well as chelating agents by fungi on stone are examples of processes involved in the promotion of biodeterioration [6,35], which may occur as a result of oxidative or reductive attack of reactive mineral constituents, such as manganese and iron [39]....
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...However, some species belonging to the order Actinomycetales have also been isolated from monumental stones [18,35]....
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62 citations
References
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994 citations
"Microbially induced deterioration o..." refers background in this paper
...Fungi perform stone dissolution in two ways: by forming secondary minerals and metabolism independent binding of metals on their cell wall or other external surfaces [51,77]....
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889 citations
"Microbially induced deterioration o..." refers background or methods in this paper
...moisture content, porosity, permeability, climatic and micro-environmental conditions [23]....
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...This interaction represents different methods which microbes utilize for the extraction of nutrients from the mineral surface [23,27,69,74,75]....
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...2 Chemoautotrophs Sulfur-oxidizing, Nitrifying bacteria Chemical deterioration Black crust formation [6,23,35-40]...
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...1 Photoautotrophs Cyanobacteria Aesthetic and chemical deterioration Biofilm formation; color alteration; patina formation; crust formation; bioweathering as a consequences of calcium uptake, precipitation of calcium salt and formation of secondary minerals [17-23]...
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...The biodeterioration of historic monuments and stone works occurs as a consequence of biofilm production, secretion and deposition of organic and inorganic compounds (salt encrustation and efflorescence), physical intrusion/penetration of microbes and redox processes on cations from the mineral lattice ([23,73] )....
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771 citations
"Microbially induced deterioration o..." refers background or methods in this paper
...It was believed that some of these lichen substances have got role in extraction of nutrients from the mineral surface of stone [27,74]....
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...gal hyphae inside the gaps, pores, cracks and boundaries of the stones has also posed a big threat to biophysical and biomechanical damage to monuments and artworks [25,27,48,74]....
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...This interaction represents different methods which microbes utilize for the extraction of nutrients from the mineral surface [23,27,69,74,75]....
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...Lichen substances include simple aliphatic organic acids, aromatic polyphenol compounds (such as depsides, depsidones, depsones and carotenoids) [27,74] and chelating agents (such as norstictic, psoromic, iso-usnic, and usnic acid) [27]....
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...The physical intrusion by hyphae along the crystal plane destabilizes the stone texture and increases the porosity which causes biomechanical deterioration of stones and artworks [25,27,48,74]....
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654 citations