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Environ Monit Assess. 2013 Nov;185(11):8803-8. doi: 10.1007/s10661-013-3212-5. Epub 2013 May 1.

Characterization of the monthly variation in (1 → 3)-β-D-glucan concentrations in university laboratories.

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  • 1Department of Occupational and Environmental Medicine, Ajou University School of Medicine, San 5, Woncheon-dong, Yeongtong-gu, Suwon, 443-721, South Korea.


We characterize the monthly variation in (1 → 3)-β-D-glucan concentration measured over the course of 1 year, and we evaluate the characteristics of size selection using a two-stage cyclone sampler. The (1 → 3)-β-D-glucan concentrations were measured in four bio-related laboratories. A total of 156 samples were collected using a new two-stage cyclone sampler. Analysis of (1 → 3)-β-D-glucan was performed using the kinetic Limulus amebocyte lysate assay. The study showed that airborne (1 → 3)-β-D-glucan concentrations were significantly higher in laboratory D (mean ± SD 1,105 ± 1,893 pg/m(3)) and in the spring (5,458 pg/m(3)). The highest concentration of (1 → 3)-β-D-glucan occurred in the spring, particularly in May.

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