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NOVA publ. cient ; 14(26): 103-111, July-Dec. 2016. ilus, tab
Artigo em Espanhol | LILACS, COLNAL | ID: biblio-955173

RESUMO

Objetivo. Determinar las bacterias del aire de un laboratorio de enseñanza de microbiología de la Universidad Distrital y así establecer la posibilidad de riesgo para la salud a la exponen los usuarios por la presencia de estos microorganismos. Métodos. Se tomaron muestras de aire por la técnica de sedimentación, se realizaron recuentos, y caracterización macroscópica y microscópica de las colonias. Después de aislamientos selectivos se llevó a cabo identificación por BD BBL Crystal. Resultados. Se obtuvo mayor recuento de bacterias Gram positivas que de Gram negativas. Se encontraron bacterias de los géneros Micrococcus, Staphylococcus, Leuconostoc, Bacillus, Corynebacterium, Pseudomonas, Yersinia, Serratia, Shigella, Klebsiella, Citrobacter y Acinetobacter. Los resultados mostraron que las bacterias identificadas no suponen riesgo elevado para la salud de los usuarios sanos, pero que es necesario implementar medidas para disminuir la carga bacteriana y disminuir posibles afecciones generales en la salud de sus ocupantes.


Objective. Determine airborne bacteria in a teaching laboratory of microbiology at the Distrital University and establish the bacteriological quality of air which users are exposed. Methods. Air samples were taken by sedimentation technique. The recovered colonies were counted, macroscopic and microscopic characterized and culture in selective media. The isolates were identifies by BD BBL Crystal. Results. It was found greater counts of gram-positive bacteria compared with Gram negative. It was identified bacteria of genus Micrococcus, Staphylococcus, Leuconostoc, Bacillus, Corynebacterium, Pseudomonas, Yersinia, Serratia, Shigella, Klebsiella, Citrobacter and Acinetobacter. The results showed that the bacteria identified do not present high risk to healthy of users, but it is necessary to implement measures to reduce the bacterial presence. Additionally, in this way decrease possible impact in general health of its occupants.


Assuntos
Humanos , Bacteriologia , Qualidade Ambiental , Laboratórios , Microbiologia
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