Performance of electrostatic dust collectors (EDCs) for endotoxin assessment in homes: Effect of mailing, placement, heating, and electrostatic charge.

Journal of Occupational and Environmental Hygiene
B Kilburg-BasnyatP S Thorne

Abstract

Electrostatic Dust Collectors (EDCs) are in use for passive sampling of bioaerosols, but particular aspects of their performance have not yet been evaluated. This study investigated the effect of mailing EDCs on endotoxin loading and the effect of EDC deployment in front of, and away from, heated ventilation on endotoxin sampling. Endotoxin sampling efficiency of heated and unheated EDC cloths was also evaluated. Cross-country express mailing of dust-spiked EDCs yielded no significant changes in endotoxin concentrations compared to dust-only samples for both high-spiked EDCs (p = 0.30) and low-spiked EDCs (p = 0.36). EDCs were also deployed in 20 identical apartments with one EDC placed in front of the univent heater in each apartment and contemporaneous EDC placed on the built-in bookshelf in each apartment. The endotoxin concentrations were significantly different (p = 0.049) indicating that the placement of EDC does impact endotoxin sampling. Heated and unheated EDCs were deployed for 7 days in pairs in farm homes. There was a significant difference between endotoxin concentrations (p = 0.027) indicating that heating EDCs may diminish their electrostatic capabilities and impact endotoxin sampling. The last study investigated...Continue Reading

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Sep 5, 2014·The Annals of Occupational Hygiene·Brita Kilburg-BasnyatPeter S Thorne

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Citations

Sep 1, 2017·Environmental Science. Processes & Impacts·Jennie CoxTiina Reponen
May 17, 2018·Frontiers in Microbiology·Ditte V VestergaardIan P G Marshall
Dec 14, 2017·AIMS Microbiology·Liliana Aranha CaetanoCarla Viegas
Mar 19, 2020·International Journal of Environmental Research and Public Health·Adekunle G FakunleRajen N Naidoo
Jan 1, 2017·Aerosol Science and Technology : the Journal of the American Association for Aerosol Research·Jennifer TherkornGediminas Mainelis
Nov 20, 2020·Microorganisms·Carla ViegasCélia Alves

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