Environmental Impact on Biopigmentation of Mural Painting

被引:5
作者
Gomoiu, I. [1 ]
Mohanu, D. [1 ]
Radvan, R. [2 ]
Dumbravician, M. [1 ]
Neagu, S. E. [4 ]
Cojoc, L. R. [3 ]
Enache, M. I. [3 ]
Chelmus, A. [2 ]
Mohanu, I. [4 ]
机构
[1] Natl Univ Arts, Dept Conservat Restorat, 19 Gral Budisteanu, Bucharest, Romania
[2] Natl Inst Res & Dev Optoelect, CERTO, 407 Atomistilor Str, Magurele Ilfov, Romania
[3] Romanian Acad, Inst Biol, 296 Spl Independentei Str, Bucharest, Romania
[4] CEPROCIM SA, Dept Projects & Res Binding Mat, 6 Blvd Preciziei, Bucharest, Romania
关键词
BIODETERIORATION; BUILDINGS;
D O I
10.12693/APhysPolA.131.48
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The microclimate monitoring of Humor Monastery, Tismana Monastery and the refectory of Hurezi monastic complex from Romania was performed in order to investigate its effect on the growth of bacteria isolated from infilling mortar. According to the results, microclimate parameters values in Humor Monastery and the refectory of Hurezi monastic complex were similar but specific for each season due to the absence of central heating. Opposite, in Tismana Monastery with central heating, no remarkable differences were noticed during the year. Laboratory results showed that Halobacillus sp., Halobacillus naozhouensis and Nesterenkonia sp. were able to grow in the temperature range between 4 and 37 degrees C with optimum at 28 degrees C, respectively 15 degrees C. The microclimate parameters from all objectives are favorable for carotenoid producing bacteria which developed true pink biofilms very well attached by the original and infilling mortar as well as by pictorial layer, hiding the real color of mural painting. The microbial origin of pink pigmentation on frescoes from Romanian historical monuments was demonstrated.
引用
收藏
页码:48 / 51
页数:4
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