Measurements of Fungal Activity as a Function of Relative Humidity by Isothermal Microcalorimetry
Författare
Summary, in English
The heat produced by the metabolism of a mould fungus (Penicillium brevicompactum) growing on softwood was measured by isothermal calorimetry under different relative humidity (RH) levels during desorption (from 95% to 65% RH) and absorption (from 65% to 95% RH). The humidification method was successful and it was possible to decrease and increase the relative humidity and moisture content in small steps. The calorimetric measurements were difficult to interpret as the thermal power was not constant at most levels. However, a general trend with lowered activity at lower relative humidity was seen. Calorimetry can possibly be used in mapping dynamic mould activity under changing environmental conditions and can therefore be applied in predicting the risk of mould in buildings.
Avdelning/ar
Publiceringsår
2007
Språk
Engelska
Publikation/Tidskrift/Serie
Preprint without journal information
Fulltext
- Available as PDF - 275 kB
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Dokumenttyp
Artikel i tidskrift
Förlag
Manne Siegbahn Institute
Ämne
- Materials Engineering
Nyckelord
- relative humidity
- softwood
- mould growth
- Isothermal calorimetry
- fungal activity
- Penicillium brevicompactum
Status
Unpublished
ISBN/ISSN/Övrigt
- ISSN: 0348-7911