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Comparative performance of two air samplers for monitoring airborne fungal propagules BJMBR
Távora,L.G.F.; Gambale,W.; Heins-Vaccari,E.M.; Arriagada,G.L.H.; Lacaz,C.S.; Santos,C.R.; Levin,A.S..
Many studies have attempted to evaluate the importance of airborne fungi in the development of invasive fungal infection, especially for immunocompromised hosts. Several kinds of instruments are available to quantitate fungal propagule levels in air. We compared the performance of the most frequently used air sampler, the Andersen sampler with six stages, with a portable one, the Reuter centrifugal sampler (RCS). A total of 84 samples were analyzed, 42 with each sampler. Twenty-eight different fungal genera were identified in samples analyzed with the Andersen instrument. In samples obtained with the RCS only seven different fungal genera were identified. The three most frequently isolated genera in samples analyzed with both devices were Penicillium,...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Andersen sampler; Reuter centrifugal sampler; Air sampler; Fungal contamination; Indoor air; Hospital air.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000500008
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Detection of airborne psychrotrophic bacteria and fungi in food storage refrigerators BJM
Altunatmaz,Sema Sandikci; Issa,Ghassan; Aydin,Ali.
The purpose of this study was to determine the microbiological air quality (psychrotrophic bacteria and airborne fungi) and distribution of fungi in different types of ready-to-eat (RTE) food-storage refrigerators (n=48) at selected retail stores in the city of Edirne, Turkey. Refrigerators were categorized according to the type of RTE food-storage: meat products, vegetables, desserts, or a mix of food types. Microbiological quality of air samples was evaluated by using a Mas-100 Eco Air Sampler. Four refrigerators (all containing meat products, 8.3%) produced air samples with undetectable microorganisms. The highest detected mean value of airborne psychrotrophic bacteria and fungi was 82.3 CFU/m³ and 54.6 CFU/m³, respectively and were found in mixed-food...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Airborne fungi; Psychrotrophic bacteria; Ready-to-eat food; Air sampler; Refrigerator.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822012000400027
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Microbiological air quality of processing areas in a dairy plant as evaluated by the sedimentation technique and a one-stage air sampler BJM
Salustiano,Valéria Costa; Andrade,Nélio José; Brandão,Sebastião César Cardoso; Azeredo,Raquel Monteiro Cordeiro; Lima,Sandra Aparecida Kitakawa.
The microbiological air quality at processing areas in a dairy plant was evaluated by using a one-stage air sampler, based on Andersen principles (impaction technique) and by culture settling plate technique, also known as sedimentation technique. Among these areas, milk reception, packaging, and pasteurization rooms were included. Rooms where cheese, yogurt, butter and "doce de leite"(Latin American typical treat made of concentrated milk and sugar) are made were also evaluated. For all processing areas, the numbers of mesophilic aerobic bacteria and yeast and molds recovered by air sampler were higher than 90 CFU·m-3 - the maximum value recommended by American Public Health Association (APHA). In four of the six processing areas, the microbial numbers...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Dairy plant; Air processing areas; Microbiological quality; Air sampler.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822003000300015
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