Volume 17, Number 1 (5-2015)                   yafte 2015, 17(1): 43-54 | Back to browse issues page

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Godini H, Mirzaian M T, Sepahvand A, Shams Khoramabadi G. A study of bacteria, fungi and biomass in particulate matter in ambient air of Khorramabad during summer and autumn 2012. yafte. 2015; 17 (1) :43-54
URL: http://yafte.lums.ac.ir/article-1-1845-en.html

Abstract:   (1844 Views)

Introduction: Particulate matter refers to the combination of atmospheric pollutants that a portion of this particulate is bioaerosol. The aim of this study was the evaluation of bacteria, fungi and biomass in particulate matter in ambient air of Khorramabad during summer and autumn 2012. Materials and Methods: This study was a cross sectional study that conducted in Khorramabad city during summer and fall 2012. Sampling has been done via high-volume sampler. The special cultures were used for cultivation and determination of fungal and Heterotrophic Plate Count (HPC (and Bradford method were used to determine bacteria and protein as biomass indicator, respectively. Relationship between these variables with metrological parameters was evaluated too. Results: The highest PM10 in July (257.18 µg/m3) and lowest in September (92.45 µg/m3) had been recorded. The highest amount of bacteria and fungi were measured as monthly in November (605 No/m3) and December (120 No/m3), respectively. The highest of protein concentration was measured in August, September and December (27-30 µg/m3). With the increase in PM10, biomass concentration in the air showed a meaningful increase. Conclusion: Biomass concentration in the air increased with increasing PM10 but it had no significant effect on the concentration of bacteria and fungi in the air. Meteorological factors such as temperature, humidity, wind speed, solar radiation and the amount of exposure time had a significant impact on bioaerosol concentrations in the air.

Full-Text [PDF 365 kb]   (737 Downloads)    
Type of Study: Research |
Received: 2015/05/3 | Accepted: 2015/05/3 | Published: 2015/05/3

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