Vapor as a carrier of toxicity in a health troubled building

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussavertaisarvioitu

Standard

Vapor as a carrier of toxicity in a health troubled building. / Salo, Johanna; Andersson, Aino; Mikkola, Raimo; Kredics, Laszlo; Viljanen, Martti; Salkinoja-Salonen, Mirja.

Healthy Buildings Europe HB2015. International Society of Indoor Air Quality and Climate, 2015.

Tutkimustuotos: Artikkeli kirjassa/konferenssijulkaisussavertaisarvioitu

Harvard

Salo, J, Andersson, A, Mikkola, R, Kredics, L, Viljanen, M & Salkinoja-Salonen, M 2015, Vapor as a carrier of toxicity in a health troubled building. julkaisussa Healthy Buildings Europe HB2015. International Society of Indoor Air Quality and Climate, Eindhoven, Alankomaat, 18/05/2015.

APA

Salo, J., Andersson, A., Mikkola, R., Kredics, L., Viljanen, M., & Salkinoja-Salonen, M. (2015). Vapor as a carrier of toxicity in a health troubled building. teoksessa Healthy Buildings Europe HB2015 International Society of Indoor Air Quality and Climate.

Vancouver

Salo J, Andersson A, Mikkola R, Kredics L, Viljanen M, Salkinoja-Salonen M. Vapor as a carrier of toxicity in a health troubled building. julkaisussa Healthy Buildings Europe HB2015. International Society of Indoor Air Quality and Climate. 2015

Author

Salo, Johanna ; Andersson, Aino ; Mikkola, Raimo ; Kredics, Laszlo ; Viljanen, Martti ; Salkinoja-Salonen, Mirja. / Vapor as a carrier of toxicity in a health troubled building. Healthy Buildings Europe HB2015. International Society of Indoor Air Quality and Climate, 2015.

Bibtex - Lataa

@inproceedings{69c617966ac54f028f89ba045f62f416,
title = "Vapor as a carrier of toxicity in a health troubled building",
abstract = "Penicillium expansum was identified as a major contaminant in indoor air, settled dust and materials of several buildings connected to indoor air related health complaints. This fungus emitted large quantities of exudates when cultivated on laboratory media. The exudates proved toxic towards four different mammalian test cells up to 10000 fold dilution. Toxins identified by LC-MS/MS were communesins and chaetoglobosin. Air dispersal of the toxic exudates was investigated with an experimental set-up where natural convection was generated by temperature gradient. It was found that the exudate with the contained toxins became airborne transported from the warmer surface to the colder surface. The results thus demonstrate transportation of microbially produced toxic substances across the air space. The role of liquid emissions from indoor molds represents a novel mechanism for human exposure in mold contaminated buildings. In this paper we report that vapor condensed from the indoor air of building affected with molds Aspergillus versicolor, Aspergillus calidoustus and Penicillium expansum contained substances that were acutely toxic when exposed to mammalian cells in vitro. The results encourage further study of condensed indoor water vapor as a tool to assess the presence of airborne substances with possible adverse health effects.",
author = "Johanna Salo and Aino Andersson and Raimo Mikkola and Laszlo Kredics and Martti Viljanen and Mirja Salkinoja-Salonen",
year = "2015",
month = "8",
language = "English",
isbn = "978-0-9846855-4-7",
publisher = "International Society of Indoor Air Quality and Climate",
booktitle = "Healthy Buildings Europe HB2015",

}

RIS - Lataa

TY - GEN

T1 - Vapor as a carrier of toxicity in a health troubled building

AU - Salo, Johanna

AU - Andersson, Aino

AU - Mikkola, Raimo

AU - Kredics, Laszlo

AU - Viljanen, Martti

AU - Salkinoja-Salonen, Mirja

PY - 2015/8

Y1 - 2015/8

N2 - Penicillium expansum was identified as a major contaminant in indoor air, settled dust and materials of several buildings connected to indoor air related health complaints. This fungus emitted large quantities of exudates when cultivated on laboratory media. The exudates proved toxic towards four different mammalian test cells up to 10000 fold dilution. Toxins identified by LC-MS/MS were communesins and chaetoglobosin. Air dispersal of the toxic exudates was investigated with an experimental set-up where natural convection was generated by temperature gradient. It was found that the exudate with the contained toxins became airborne transported from the warmer surface to the colder surface. The results thus demonstrate transportation of microbially produced toxic substances across the air space. The role of liquid emissions from indoor molds represents a novel mechanism for human exposure in mold contaminated buildings. In this paper we report that vapor condensed from the indoor air of building affected with molds Aspergillus versicolor, Aspergillus calidoustus and Penicillium expansum contained substances that were acutely toxic when exposed to mammalian cells in vitro. The results encourage further study of condensed indoor water vapor as a tool to assess the presence of airborne substances with possible adverse health effects.

AB - Penicillium expansum was identified as a major contaminant in indoor air, settled dust and materials of several buildings connected to indoor air related health complaints. This fungus emitted large quantities of exudates when cultivated on laboratory media. The exudates proved toxic towards four different mammalian test cells up to 10000 fold dilution. Toxins identified by LC-MS/MS were communesins and chaetoglobosin. Air dispersal of the toxic exudates was investigated with an experimental set-up where natural convection was generated by temperature gradient. It was found that the exudate with the contained toxins became airborne transported from the warmer surface to the colder surface. The results thus demonstrate transportation of microbially produced toxic substances across the air space. The role of liquid emissions from indoor molds represents a novel mechanism for human exposure in mold contaminated buildings. In this paper we report that vapor condensed from the indoor air of building affected with molds Aspergillus versicolor, Aspergillus calidoustus and Penicillium expansum contained substances that were acutely toxic when exposed to mammalian cells in vitro. The results encourage further study of condensed indoor water vapor as a tool to assess the presence of airborne substances with possible adverse health effects.

M3 - Conference contribution

SN - 978-0-9846855-4-7

BT - Healthy Buildings Europe HB2015

PB - International Society of Indoor Air Quality and Climate

ER -

ID: 9619179