Improved methodology for bioremoval of black crusts on historical stone artworks by use of sulfate-reducing bacteria

Article Abstract:

An improved methodology to remove black crusts from stone by using Desulfovibrio vulgaris subsp. vulgaris ATCC 29579, a sulfate-reducing bacterium, is described. Carbogel has proved to be superior to both sepiolite and Hydrobiogel-97, as it has allowed an easy application of the bacteria and allowed easy removal of the cells after the treatment.

Earth, Crust (Geology), Sulfur bacteria, Sulfides, Sulphur bacteria

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Microorganisms attack synthetic polymers in items representing our cultural heritage

Article Abstract:

The biodeterioration of synthetic polymers in items representing the cultural heritage is examined. Some of the strategies that are used in preventive conservation of synthetic polymeric surfaces have included monitoring of biofilm formation and use of natural nontoxic antifouling compounds to avoid cell adhesion and biofilm formation.

Environmental aspects, Polymers, Biodegradation, Microbial mats, Cell adhesion

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Advantages of using microbial technology over traditional chemical technology in removal of black crusts from stone surfaces of historical monuments

Article Abstract:

The various advantages of the microbial technology over the traditional chemical technology for removing the black crusts from stone surfaces of historical monuments are studied. The results show that the biological process results in a more homogeneous removal of the surface deposits.

Comparative analysis, Microbial biotechnology, Chemical engineering, Biotechnological microorganisms

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