abstract background: bioaerosol is defined as airborne particles such as living organisms include bacteria, fungi and their related metabolites, such as endotoxin. over the recent years, health effects of bioaerosols such as infectious and respiratory diseases, acute toxic effects, allergies and cancer have been considered. the aim of this study was to evaluate the bacterial and fungal concentr...

chronic bronchopulmonary disorders occurred in a large number of rustic females who used to bake bread at their dwellings under unhgyienic conditions. bronchoscopy revealed advanced pathological changes with characterised black areas infiltrating the bronchial walls. findings in ten patients who referred with acute chronic respiratory symptoms and a positive history of indoor pollution are desc...

Exposure to radiation from different types of television sets was measured to ascertain the levels of hazards posed to the human biological system. Measurement of the annual radiation dose hazards was performed using a halogen-quenched GM tube with thin mica end window having a density of 1.5 mg/cm2, effective window diameter of 0.360 inch and side wall of 0.012 inch thick. The GM tube was plac...

Common household water-use activities such as showering, bathing, drinking, and washing clothes or dishes are potentially important contributors to individual exposure to trihalomethanes (THMs), the major class of disinfection by-products of water treated with chlorine. Previous studies have focused on showering or bathing activities. In this study, we selected 12 common water-use activities an...

anopheles culicifacies s.l. plays an important role in transmission of malaria in sistan and baluchistan province, southeastern iran. adult susceptibility test on fieltt-collccled mosquitoes was conducted in ohasreghand district. who diagnostic test procedures revealed that adult females were resistant to 0.4% dieuirin (mortality 64.5 ± 3.13), tolerant to 0.1% propoxur (mortality 88.5 ± 2.24) a...

current standards for indoor comfort are based on studies of adults, but they also apply tochildren, even though children differ in terms of metabolic rates, clothing types, activity levels, and preferences in space arrangement. children are also more sensitive to a range of environmental factors, they are usually unable to interact with their environment, and they accept indoor conditions pass...

the aim of this study was identification of fungi in indoor and outdoor of asthmatic patients´ home environment. opened plates (containing of malt extract agar media) were used for isolation of fungi in the air of indoor (n=360) and outdoor (n=180) of 90 asthmatic patients̉ home living in the city of sari at the level of breathing height. plates were incubated in room temperature for 7-14 days. ...

the present study aims to analyze the existing indoor environmental conditions of firozabad city along with its impact on people’s health by going through the correlative index of indoor environment’s determinant and different diseases, faced by the people. in order to measure spatial disparities, the statistical technique, i.e. the standard score additive model (z- score), has been applied to ...