Conservation Science
paint layer may be endangered by this intervention itself, and even microbial surface colonisation has been observed, even in se ...
H 2 S as end-product of the reaction. As mentioned earlier, denitrification is only effective under oxygen depletion. In this si ...
The most important macro-elements can be identified, e.g. carbon, nitrogen, sulfur, phosphorus, iron, sodium, potassium and magn ...
areas with highly alkaline pore solutions, such fungi will outcompete other species that are restricted by alkalinity. This shou ...
evaporation processes and thereby may also influence the state of soluble salts. The biofilm as a superficial layer reacts in a ...
The interfaces between different materials of the multilayered wall painting system may be heavily attacked by microbial growth. ...
they are contaminated or when they have been in use for an extended time, and then consolidation is required. Microbial contamin ...
later on, in the context of consolidation treatment. Discolouration of mineral pigments due to excretion of organic acids has al ...
this effect could not be shown for isolates cultivated from the samples. However, they were able to grow on blood agar in labora ...
especially while dry cleaning or uncovering large areas of the paintings, may pose a potential risk. Many fungi on wall painting ...
materials like dispersed white lime, contain minor organic ingredients to keep them dispersed or to stabilise the product, and t ...
and, especially in England, bees-wax, while linseed oil was basically used to make the paintings more brilliant. After the appli ...
more likely that natural organicmaterials like casein or glue may function as a carbon source. Nevertheless, excreted microbial ...
and, as soon as micro-fissures or other lesions occur, water and salts from the atmosphere start penetrating behind the coating ...
consideration, as well as salt and microbial deterioration processes that may be occurring in the painting. 4.2 Cleaning Methodo ...
During the last decade of the twentieth century, enzymes came into use for reduction of such coatings, which had resulted in ten ...
that phosphorus can be a growth-limiting factor inecosystems and therefore one should avoid buffer systems based on phosphorus. ...
In other recent work, Heiling compared the suitability of bread or sponges (Wishab) for cleaning wall paintings. The results tur ...
References and Further Reading H. Arai, Sci. Conserv.,1988, 27 , 19. A. Arnold and K. Zehnder, in The Conservation of Wall Paint ...
G. Orial, S. Castanier, G. le Metayer and J.F. Loubière, in Biodeterioration of Cultural Property, K. Toishi, H. Arai, T. Kenjo ...
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