Trichothecene mycotoxins in the dust of ventilation systems in office buildings.
作者： Wanda Smoragiewicz , Bruno Cossette , Armel Boutard , Krzysztof Krzystyniak
DOI: 10.1007/BF00405729
关键词: Environmental science 、 Diacetoxyscirpenol 、 Indoor air quality 、 Trichothecene 、 Mycotoxin 、 Microbial contaminants 、 Ventilation (architecture) 、 Environmental chemistry 、 Dust sample
摘要: Analysis of trichothecene mycotoxins in dust samples from ventilation systems office buildings was applied as a rapid and inexpensive method for the detection mycotoxins. Dust three different spaces Montreal urban area, reportedly affected by “sick syndrome”, were analysed thin-layer chromatography (TLC). Positive colour reaction on TLC plates with 4-(p-nitrobenzyl) pyridine, specific 12,13-epoxy group nucleus, obtained extracts 0.5- to 50-g samples. The contained at least four trichothecenes: T-2 toxin, diacetoxyscirpenol, roridine A tetraol. results confirmed high-performance liquid analysis. Screening air provided direct evidence mycotoxins, limit estimated 0.4-4 ng/mg dust. Thus, sample analysis is suggested technique detecting presence systems.
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