Microbiology Of Air

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Microbiology Of Air

  1. 1. Microbiology of AIR b.stev
  2. 2. MICROBES in the AIR Gases Water vapour Algal spores Fungal spores Common bacteria E.coli S.marcesens S.aureus Dust particles ( Microbiologyprocedure, 2008)‏
  3. 4. The SOURCES of Microbes in Air Wind blown long suspension time Human/Animal breath cough sneeze talk laugh Aerosols machine fans air conditioners vents Man's Actions ploughing digging excavation construction irrigation fertilizers Water droplets fountains streams ponds rivers
  4. 5. 3 Forms of Discharge grouped via size and moisture content Droplets mucous saliva talking coughing sneezing Infectious dust dried secretions culturing microbes handkerchief bed making clothes sweeping Droplet Nuclei 1-4 µm dry solid of a droplet ability to travel distances <ul><li>survival limited by: </li></ul><ul><li>humidity </li></ul><ul><li>sunlight </li></ul><ul><li>susceptibility </li></ul>
  5. 7. Bibliography Microbiologyprocedure.com. (2008). Air Microbiology, Microorganisms Composition in Air, Troposphere... .Retrieved August 13, 2008, from http//:www.microbiologyprocedure.com/air-microbiology/hesss-tub McKinney. R.E. (2004). Environmental Pollution Control Microbiology. Retrieved August 12, 2008, from http//:www.pagesbooks.google.com/books?isbn =082475493X ...

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