Protection of Historical Wood against Microbial Degradation-Selection and Application of Microbiocides

The aim of this study was to select effective and safe microbiocides for the disinfection and protection of historical wooden surfaces at the former Auschwitz II-Birkenau concentration and extermination camp. We tested seven active compounds against bacteria and moulds, of which didecyldimethylammon...

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Published in:International journal of molecular sciences 2016-08, Vol.17 (8), p.1364-1364
Main Authors: Koziróg, Anna, Rajkowska, Katarzyna, Otlewska, Anna, Piotrowska, Małgorzata, Kunicka-Styczyńska, Alina, Brycki, Bogumił, Nowicka-Krawczyk, Paulina, Kościelniak, Marta, Gutarowska, Beata
Format: Article
Language:English
Subjects:
Ammonia
Anti-Infective Agents - pharmacology
Bacteria
Bacteria - drug effects
Disinfectants - pharmacology
disinfection
Disinfection & disinfectants
Fungi - drug effects
historical wood protection
microbiocides
Mold
quaternary ammonium compounds
Quaternary Ammonium Compounds - pharmacology
Wood
Wood - microbiology
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Summary:The aim of this study was to select effective and safe microbiocides for the disinfection and protection of historical wooden surfaces at the former Auschwitz II-Birkenau concentration and extermination camp. We tested seven active compounds against bacteria and moulds, of which didecyldimethylammonium chloride and N-(3-aminopropyl)-N-dodecylpropane-1,3-diamine were effective even at 0.02%-2%. Subsequently, eight microbiocides containing the selected active ingredients were chosen and applied three times on the surface of wood samples colonized by bacteria and moulds. ABM-1 and ABM-2-6% solution; Rocima 101-8%; Preventol R 80-12%; Acticide 706 LV-15% and Boramon-30% were the most effective disinfectants. Under laboratory conditions, ABM-1, Boramon and Rocima 101 ensured antimicrobial protection of new wood samples for six months. In situ, 30% Boramon and 8% Rocima 101 applied by spraying effectively protected the historical wood from bacterial and mould growth for 12 and 3 months, respectively. Colour and luminance of the new wood were not altered after exposure to the biocides. Boramon and Rocima 101, applied by the spraying method, caused no significant change in the colour of the historical wood. Results from this study were used to develop a procedure for the protection of wood in historical buildings against biodeterioration.
ISSN:1422-0067
1661-6596
1422-0067
DOI:10.3390/ijms17081364