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Monitoring of viable airborne SARS virus in ambient air

Agranovski, Igor E. , Safatov, Alexander S., Pyankov, Oleg V., Sergeev, Alexander N., Agafonov, Alexander P., Ignatiev, Georgy M., Ryabchikova, Elena I., Borodulin, Alexander I., Sergeev, Artemii A., Doerr, Hans W., Rabenau, Holger F., & Agranovski, Victoria (2004) Monitoring of viable airborne SARS virus in ambient air. Atmospheric Envrionment, 38(23), pp. 3879-3884.

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Abstract

Due to recent SARS related issues (Science 300 (5624) 1394; Nature 423 (2003) 240; Science 300 (5627) 1966), the development of reliable airborne virus monitoring procedures has become galvanized by an exceptional sense of urgency and is presently in a high demand (In: Cox, C.S., Wathers, C.M. (Eds.), Bioaerosols Handbook, Lewis Publishers, Boca Raton, FL, 1995, pp. 247–267). Based on engineering control method (Aerosol Science and Technology 31 (1999) 249; 35 (2001) 852), which was previously applied to the removal of particles from gas carriers, a new personal bioaerosol sampler has been developed. Contaminated air is bubbled through porous medium submerged into liquid and subsequently split into multitude of very small bubbles. The particulates are scavenged by these bubbles, and, thus, effectively removed. The current study explores its feasibility for monitoring of viable airborne SARS virus. It was found that the natural decay of such virus in the collection fluid was around 0.75 and 1.76 lg during 2 and 4 h of continuous operation, respectively. Theoretical microbial recovery rates of higher than 55 and 19% were calculated for 1 and 2 h of operation, respectively. Thus, the new sampling method of direct non-violent collection of viable airborne SARS virus into the appropriate liquid environment was found suitable for monitoring of such stress sensitive virus.

Impact and interest:

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18 citations in Web of Science®

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ID Code: 5793
Item Type: Journal Article
Additional Information: For more information, please refer to the journal’s website (see link) or contact the author. Author contact details: v.agranovski@qut.edu.au
Keywords: SARS, Bioaerosol, Personal monitoring, Viable microorganisms, Collection efficiency
DOI: 10.1016/j.atmosenv.2004.03.044
ISSN: 1352-2310
Subjects: Australian and New Zealand Standard Research Classification > EARTH SCIENCES (040000) > ATMOSPHERIC SCIENCES (040100) > Atmospheric Sciences not elsewhere classified (040199)
Australian and New Zealand Standard Research Classification > BIOLOGICAL SCIENCES (060000) > MICROBIOLOGY (060500) > Virology (060506)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2004 Elsevier
Deposited On: 13 Dec 2006
Last Modified: 10 Aug 2011 22:58

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