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Analysis of fungal pathogens in the environment of Branicki Palace in Białystok, Poland

100%
Łukaszuk C., Zaremba K.
Progress in Health Sciences
|
2015
|
vol. 5
|
issue 2
112-121
EN
Introduction:People spend about 90% of their time indoors. Most health problems associated with indoor air quality are caused by fungi. It is estimated fungi account for 70% of total indoor air microbial pollution.Purpose: To analyze fungal pathogens isolated from indoor air of Branicki Palace in Białystok, PolandMaterials and methods:The research mycological material consisted of air collected from various rooms in Branicki Palace. Humidity and temperature of the tested rooms were also measured. The monitoring of airborne fungi pollution was done using a SAS SUPER 100 (pbi international) with international measure standards (EN 50081-1, EN 500 50082-1). Biological monitoring of wall surface contamination was performed using the Count-Tact applicator with Count-Tact plates.Results:A total of 1140 CFU per m3 of air were cultured in autumn and 580 CFU in winter. From the walls, a total of 124 CFU were cultured in autumn and 397 CFU in winter. CFU values in the investigated rooms ranged from 10 to 220 (mean 47 CFU) in autumn, and from 10 to 90 (mean 29 CFU) in winter. The most commonly isolated pathogens were: Candida albicans, Aspergillus sp.,non-Candida albicans, andPenicillium sp.. The number of colonies isolated from the walls of all rooms in winter was greater than in autumn. The most commonly isolated pathogens were: Aspergillus sp. andC. albicans in autumn; C. albicans and non-C. albicans in winter.Conclusions:In winter, the number of colonies isolated from walls in all rooms was significantly greater compared with autumn. Candida albicans, Aspergillus sp. and Penicillium sp. were the most commonly isolated fungal air pathogens, regardless of season. C. albicans and Aspergillus sp. were most commonly isolated from walls in autumn, while C. albicans and non-C.albicans in winter.
2

Air Pollution, Allocation of Property Rights, Environmental Issues and Theoretical Overlapping Generations General Equilibrium Modelling

75%
Tchouto J.
South East European Journal of Economics and Business
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2011
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vol. 6
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issue 1
23-36
EN
This paper presents how the environment - considered as a production factor - and other related assumptions can be introduced step by step in a theoretical Overlapping Generations General Equilibrium Model (OLG - GE). The first part shows the behaviors of agents with pollution in the absence of an environmental policy. The second part emphasizes a Greenhouse Gas abatement policy through the allocation of Pollution Permit ownership, which allows property rights on the environment; here we assume a three-factor model: Capital - Labor - Environment. The last part of of the paper highlights one theoretical property about the allocation of pollution permits within a OLG-GE steady state with the environment. To our knowledge, it is the first time that the aforementioned property has been characterized.
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