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Published VersionCC BY V4.0, Open Access
Journal article
Degradation assessment of archaeological oak (Quercus spp.) buried under oxygen-limited condition
Holzforschung, Vol.77(3), pp.198-207
2023
Abstract
The biological deterioration of archaeological wood under oxygen-limited conditions varies due to the limited activities of microorganisms. It is essential to expand the knowledge of the degradation types and the status of archaeological monuments for selecting the proper consolidates. The physical, chemical, and anatomical properties of approximately 600–650 year old archaeological oak collected from an archaeological site in Iasi-Romania were analysed to assess the quality and to identify the degradation types. The results were compared with similar tests on recently-cut oak. X-ray photoelectron spectroscopy (XPS) revealed the presence of more lignin-related peaks in the archaeological oak, which likely reflected the degradation of the wood carbohydrates as evidenced by the decreased oxygen-to-carbon ratio Cox/Cnon-ox. The differences in cellulose crystallinity were not significant suggesting that any cellulose degradation occurred in the amorphous regions. This was also reflected in the dynamic water vapor sorption analysis where the differences in sorption isotherms and hysteresis of archaeological and recently-cut oaks were marginal. Microscopic analysis of the oak cells illustrated bacterial degradation patterns, while the field emission scanning electron microscopy (FESEM) showed the presence of erosion bacteria in the archaeological oak collected from the site with low oxygen conditions.
Details
- Title
- Degradation assessment of archaeological oak (Quercus spp.) buried under oxygen-limited condition
- Authors
- Amir Ghavidel (Author) - Linnaeus UniversityAmin Jorbandian (Author) - University of TehranMiklós Bak (Author) - University of SopronJana Gelbrich (Author) - Leibniz-Institut für Werkstofforientierte Technologien - IWTJeffrey J. Morrell (Author) - University of the Sunshine Coast, Queensland, National Centre for Timber Durability and Design LifeIon Sandu (Author) - Academy of Romanian ScientistsReza Hosseinpourpia (Corresponding Author) - Linnaeus University
- Publication details
- Holzforschung, Vol.77(3), pp.198-207
- Publisher
- Walter de Gruyter GmbH
- Date published
- 2023
- DOI
- 10.1515/hf-2022-0168
- ISSN
- 1437-434X; 0018-3830
- Copyright note
- © 2022 the author(s), published by De Gruyter. This work is licensed under the Creative Commons Attribution 4.0 International License.
- Organisation Unit
- National Centre for Timber Durability and Design Life; Forest Research Institute
- Language
- English
- Record Identifier
- 99716196502621
- Output Type
- Journal article
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- Collaboration types
- Domestic collaboration
- International collaboration
- Web Of Science research areas
- Forestry
- Materials Science, Paper & Wood