Free-Living Amoebae and Legionella in Bioaerosols from Composting Facilities

9 Jul 2018

Legionella bacteria are the causal agents of the Legionnaires' disease, a severe form of pneumonia. The aim of this study was to investigate the simultaneous presence of amoebae and Legionella in the compost piles and in the bioaerosols developed from pile fermentation. Bioaerosols were collected from seven green waste collection centers by a Coriolis®µ air sampler. Results show that composting facilities are possible reservoirs for Legionella and amoebae and suggest further studies are needed to investigate the spread of Legionella from composts to bioaerosols.

Coriolis+ - Air Sampler

Bertin Technologies

The Coriolis Micro portable biological air sampler is a standard for testing air quality. Both indoors and outdoors, it’s the most efficient biological air sampler: It can take just 10 minutes to collect airborne particles using its cyclonic technology paired with a high suction rate. By generating samples in the fluid phase, Coriolis µ is compatible with rapid microbiological analysis methods.

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Environmental Monitoring and TestingEnvironmental monitoring and testing uses handheld portable analyzers, kits, spectrometers or chromatography systems for air, water, soil, food and other sample testing. Useful features of analyzers such as BOD and COD include portability, easy calibration, automation and sensitivity.  Environmental test kits for pH, water, moisture, etc, should be accurate, sensitive, reliable, fast and easy to use.Air SamplingAir sampling is described as the technique used to capture air for the subsequent purpose of analyzing, typically by thermal desorption, the presence of trace particulates, such as volatile organic compounds (VOCs).Environmental ContaminationContaminants in the environment are harmful chemicals that are present in the air, land and water. These include pesticides, pharmaceuticals, persistent organic pollutants (POPs) and many more.Environmental AnalysisEnvironmental analysis describes a variety of tests that determine the effect of chemicals, processes and particulates such as persistent organic pollutants (POPs) have on the environment.