Fourier Transform Infrared Radiation Spectroscopy Applied for Wood Rot Decay and Mould Fungi Growth Detection

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Jelle, Bjørn Petter ; Hovde, Per Jostein (2012)
  • Publisher: Hindawi Publishing Corporation
  • Journal: Advances in Materials Science and Engineering (issn: 1687-8434, eissn: 1687-8442)
  • Related identifiers: doi: 10.1155/2012/969360
  • Subject: TA401-492 | Chemical bonds | Molds (Fungi) | Attenuated total reflectance | Materials of engineering and construction. Mechanics of materials | Wood decay | Fourier transform infrared spectroscopy | Fungal growth | Article Subject

Material characterization may be carried out by the attenuated total reflectance (ATR) Fourier transform infrared (FTIR) radiation spectroscopical technique, which represents a powerful experimental tool. The ATR technique may be applied on both solid state materials, liquids, and gases with none or only minor sample preparations, also including materials which are nontransparent to IR radiation. This facilitation is made possible by pressing the sample directly onto various crystals, for example, diamond, with high refractive indices, in a special reflectance setup. Thus ATR saves time and enables the study of materials in a pristine condition, that is, the comprehensive sample preparation by pressing thin KBr pellets in traditional FTIR transmittance spectroscopy is hence avoided. Materials and their ageing processes, both ageing by natural and accelerated climate exposure, decomposition and formation of chemical bonds and products, may be studied in an ATR-FTIR analysis. In this work, the ATR-FTIR technique is utilized to detect wood rot decay and mould fungi growth on various building material substrates. An experimental challenge and aim is to be able to detect the wood rot decay and mould fungi growth at early stages when it is barely visible to the naked eye. Another goal is to be able to distinguish between various species of fungi and wood rot. Copyright © 2012 The Author(s). This is an open access article distributed under the Attribution 3.0 Unported CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/)
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