Induced Biological Colonization on Model Historical Glasses And Biocide Treatment Effects For Its Elimination
| العنوان: | Induced Biological Colonization on Model Historical Glasses And Biocide Treatment Effects For Its Elimination |
|---|---|
| المؤلفون: | Manuel Garcia-Heras, Carmen Ascaso, Fernando Agua, Jacek Wierzchos, María-Angeles Villegas |
| المساهمون: | Comunidad de Madrid, Ministerio de Ciencia e Innovación (España), García Heras, Manuel, Ascaso, Carmen, Agua Martínez, Fernando, Wierzchos, Jacek, Villegas Broncano, María Ángeles |
| المصدر: | Manuel Garcia-Heras |
| بيانات النشر: | Romanian Inventors Forum, 2022. |
| سنة النشر: | 2022 |
| مصطلحات موضوعية: | CF biocide, Biodeterioration, Removal procedure, Biofilm, Acticide, Glass |
| الوصف: | Este artículo está sujeto a una licencia CC BY-NC-ND 4.0 Biological colonization and later biodeterioration damage are well-known phenomena affecting cultural heritage. Glasses, as those from historical stained glass windows, are frequently biocolonized under certain conditions. There is still limited knowledge about biocolonization growth patterns on glass and safe removing procedures to act before irreversible biodegradation damage occurs. This paper presents the results of an experimental study in which biological colonization of three different model historical glasses, namely sodalime, lead crystal, and potash-lime silicate glasses, has been naturally induced. Glass samples were exposed for 13-15 months to natural conditions at the mountain region near Madrid (Spain) and monitored over time. After exposition, samples were first observed through fluorescence microscopy (FM), scanning electron microscopy (SEM), and UV-Vis-NIR spectrophotometry. Next, the Acticide® CF biocide was applied on glass samples exposed and were then again observed through the same techniques to evaluate its effect. Biocolonizers detected were algae, fungi, cyanobacteria and heterotrophic bacteria in different combinations and amounts and sometimes forming a biofilm. Soda-lime silicate glasses were the ones that showed the highest biocolonization growth, while lead crystal silicate glass appeared more biocolonized than the potash-lime one. The biofilm formed appeared intensely damaged and was practically no longer visible after the biocide treatment which proves its efficiency for removing glass biocolonization. This study was funded under research programmes TOP Heritage: Technologies in Heritage Sciences from the Regional Government of Madrid (Ref. S2018/NMT-4372), and Challenges of Society from the Spanish Ministry of Science and Innovation (Ref. PID2019- 104220RB-I00). Microscopy services from MNCN-CSIC are gratefully acknowledged, as well as to Thor Especialidades SA, Barcelona, Spain, for providing with the Acticide® CF biocide. Professional support from the TechnoHeritage network of Science and Technology for the Conservation of Cultural Heritage is also acknowledged. In addition, some of the authors wish to acknowledge professional support of the CSIC Interdisciplinary Thematic Platform Open Heritage: Research and Society (PTI-PAIS) |
| اللغة: | English |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e4b71a89994a28ed4a840879e01b2253 http://hdl.handle.net/10261/306398 |
| رقم الأكسشن: | edsair.dedup.wf.001..e4b71a89994a28ed4a840879e01b2253 |
| قاعدة البيانات: | OpenAIRE |
| الوصف غير متاح. |