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Molds and mycotoxins in dust from water-damaged homes in New Orleans after hurricane Katrina
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- Bloom, Erica (author)
- Lund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine,Lund University, Sweden
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- Grimsley, L. F. (author)
- Tulane University SPHTM, USA,Lund University, Sweden
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- Pehrson, Christina (author)
- Lund University,Lunds universitet,Avdelningen för medicinsk mikrobiologi,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Medical Microbiology,Department of Laboratory Medicine,Faculty of Medicine,Lund University, Sweden
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- Hindawi Limited, 2009
- 2009
- English.
- In: Indoor Air. - : Hindawi Limited. - 0905-6947 .- 1600-0668. ; 19:2, s. 153-158
- Journal article (peer-reviewed)
Abstract
Subject headings
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- Dust collected in New Orleans homes mold-contaminated because of the flooding after hurricane Katrina was analyzed for molds and mycotoxins. The mycoflora was studied by cultivation and quantitative PCR for selected molds. The most commonly found mold taxa were Aspergillus, Cladosporium, and Penicillium. Verrucarol, a hydrolysis product of macrocyclic trichothecenes predominately produced by Stachybotrys spp. was identified in three dust samples by gas chromatography-tandem mass spectrometry, and sterigmatocystin (produced by various Aspergillus spp.) was found in two samples by high pressure liquid chromatography-tandem mass spectrometry. This is the first demonstration of mycotoxins in Katrina-associated dust samples. The analytical methods used represent valuable tools in further studies on bioaerosol exposure and health risks.
Subject headings
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Medicinska och farmaceutiska grundvetenskaper -- Mikrobiologi inom det medicinska området (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Basic Medicine -- Microbiology in the medical area (hsv//eng)
Keyword
- Aspergillus; Dust; Gas chromatography; Health risks; Hurricanes; Mass spectrometry; Molds; Polymerase chain reaction
- Cladosporium; Dust collected; Dust samples; Floodings; Hurricane katrina; Hydrolysis products; Macrocyclics; New Orleans; PCR; Quantitative PCR
- Mycotoxins
- Aspergillus; Cladosporium; Penicillium; Stachybotrys
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- Larsson, L.
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