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Microscopical Methods for the In Situ Investigation of Biodegradation on Cultural Heritage

V. Schroder,Daniela Turcanu Carutiu,Adina Honcea,R. Ion

Published 2019 in Advanced Methods and New Materials for Cultural Heritage Preservation

ABSTRACT

The processes of cultural heritage sites’ degradation reveal interactions between the chemical characteristics of the substrates, the underlying substrate penetration, and the microbiota systems. Microorganisms penetrate the stone, causing extensive disaggregation of the materials. This chapter reveals comparative studies between the usual research approaches applied in biodegradation studies, especially optical microscopy, epifluorescence, and electron microscopy (SEM). These in situ microscopy techniques propose some complex analyses for the evaluation of the relationship between the microorganism’s cells and the stone surfaces (adherence, interactions), and also for the evaluation of the level of health or balance of the niche complex, from mesoscale to microscale. The stages of the exact monitoriza-tion and evaluation of lithotypes and deterioration phenomena are periodical sampling and monument mapping. The aim of this chapter is to identify microscopical methods used in biodegradation studies, especially the facilities provided by these methods. Our in situ analysis (light microscopy, epifluorescence, and scanning electron microscopy) performed for the first time on the painted Matia-Fresco Loggia (Corvin Castle, Romania) highlighted several aspects, such as mixtures of mineral elements with different chromatic appearance and porosity, shredding degradation, depigmented areas, cracked portions, and highly biota activity (bacterial and fungal) on painted surface.

PUBLICATION RECORD

  • Publication year

    2019

  • Venue

    Advanced Methods and New Materials for Cultural Heritage Preservation

  • Publication date

    2019-04-25

  • Fields of study

    Materials Science, Environmental Science

  • Identifiers
    DOI 10.5772/INTECHOPEN.80684
  • External record

    Open on Semantic Scholar

  • Source metadata

    Semantic Scholar

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