Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection

Research output: Contribution to conferencePaper

Abstract

Airborne transmission of microorganisms is recognised as being a significant source of infection, with potentially fatal illnesses such as tuberculosis and meningitis spread via this route. Consequently, more research is required in this area to both establish the physical mechanisms of airborne transmission in
specific environments and develop effective means of achieving air disinfection.
The present study is concerned with an investigation of air quality in university lecture theatres. Due to high student numbers and absence of air quality control within lecture rooms, there is potential for the build-up of airborne contamination and therefore cross-infection. In this study a SAS-Super180 sampler was used to take microbial and fungal counts before, during and after a 1hour lecture in order to identify the variation in airborne contamination levels that occur, with results demonstrating a significant increase in airborne populations due to the presence of large congregations. Various environmental parameters were also monitored to examine their effect on the microbial air load.
Also, a pulsed UVlight system developed by the EPAST group (which has had success in surface and liquid applications) was used to disinfect the air, and results highlight the effectiveness of the PUV system for the inactivation of airborne microorganisms

Conference

ConferenceSociety for General Microbiology – 152nd Meeting – –
CityUniversity of Edinburgh
Period7/04/0311/04/03

Fingerprint

disinfection
air
microorganism
meningitis
tuberculosis
sampler
air quality
student
liquid
contamination
infection
effect
air quality control
parameter

Keywords

  • microbiological
  • quality of air
  • university lecture theatres
  • pulsed ultra violet light
  • disinfection
  • PUV
  • airborne microorganisms
  • infection
  • fatal illnesses
  • physical mechanisms
  • airborne contamination
  • cross-infection
  • SAS-Super180 sampler

Cite this

MacLean, M., Wang, T., Anderson, J. G., MacGregor, S. J., & Rowan, N. J. (2003). Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection. Paper presented at Society for General Microbiology – 152nd Meeting – –, University of Edinburgh, .
@conference{4289e585e335494e981d27b78e5ad644,
title = "Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection",
abstract = "Airborne transmission of microorganisms is recognised as being a significant source of infection, with potentially fatal illnesses such as tuberculosis and meningitis spread via this route. Consequently, more research is required in this area to both establish the physical mechanisms of airborne transmission inspecific environments and develop effective means of achieving air disinfection.The present study is concerned with an investigation of air quality in university lecture theatres. Due to high student numbers and absence of air quality control within lecture rooms, there is potential for the build-up of airborne contamination and therefore cross-infection. In this study a SAS-Super180 sampler was used to take microbial and fungal counts before, during and after a 1hour lecture in order to identify the variation in airborne contamination levels that occur, with results demonstrating a significant increase in airborne populations due to the presence of large congregations. Various environmental parameters were also monitored to examine their effect on the microbial air load.Also, a pulsed UVlight system developed by the EPAST group (which has had success in surface and liquid applications) was used to disinfect the air, and results highlight the effectiveness of the PUV system for the inactivation of airborne microorganisms",
keywords = "microbiological , quality of air, university lecture theatres, pulsed ultra violet light , disinfection, PUV, airborne microorganisms, infection, fatal illnesses, physical mechanisms, airborne contamination, cross-infection, SAS-Super180 sampler",
author = "M. MacLean and T. Wang and J.G. Anderson and S.J. MacGregor and N.J. Rowan",
note = "Paper number MI 14; Society for General Microbiology – 152nd Meeting – – ; Conference date: 07-04-2003 Through 11-04-2003",
year = "2003",
language = "English",

}

MacLean, M, Wang, T, Anderson, JG, MacGregor, SJ & Rowan, NJ 2003, 'Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection' Paper presented at Society for General Microbiology – 152nd Meeting – –, University of Edinburgh, 7/04/03 - 11/04/03, .

Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection. / MacLean, M.; Wang, T.; Anderson, J.G.; MacGregor, S.J.; Rowan, N.J.

2003. Paper presented at Society for General Microbiology – 152nd Meeting – –, University of Edinburgh, .

Research output: Contribution to conferencePaper

TY - CONF

T1 - Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection

AU - MacLean, M.

AU - Wang, T.

AU - Anderson, J.G.

AU - MacGregor, S.J.

AU - Rowan, N.J.

N1 - Paper number MI 14

PY - 2003

Y1 - 2003

N2 - Airborne transmission of microorganisms is recognised as being a significant source of infection, with potentially fatal illnesses such as tuberculosis and meningitis spread via this route. Consequently, more research is required in this area to both establish the physical mechanisms of airborne transmission inspecific environments and develop effective means of achieving air disinfection.The present study is concerned with an investigation of air quality in university lecture theatres. Due to high student numbers and absence of air quality control within lecture rooms, there is potential for the build-up of airborne contamination and therefore cross-infection. In this study a SAS-Super180 sampler was used to take microbial and fungal counts before, during and after a 1hour lecture in order to identify the variation in airborne contamination levels that occur, with results demonstrating a significant increase in airborne populations due to the presence of large congregations. Various environmental parameters were also monitored to examine their effect on the microbial air load.Also, a pulsed UVlight system developed by the EPAST group (which has had success in surface and liquid applications) was used to disinfect the air, and results highlight the effectiveness of the PUV system for the inactivation of airborne microorganisms

AB - Airborne transmission of microorganisms is recognised as being a significant source of infection, with potentially fatal illnesses such as tuberculosis and meningitis spread via this route. Consequently, more research is required in this area to both establish the physical mechanisms of airborne transmission inspecific environments and develop effective means of achieving air disinfection.The present study is concerned with an investigation of air quality in university lecture theatres. Due to high student numbers and absence of air quality control within lecture rooms, there is potential for the build-up of airborne contamination and therefore cross-infection. In this study a SAS-Super180 sampler was used to take microbial and fungal counts before, during and after a 1hour lecture in order to identify the variation in airborne contamination levels that occur, with results demonstrating a significant increase in airborne populations due to the presence of large congregations. Various environmental parameters were also monitored to examine their effect on the microbial air load.Also, a pulsed UVlight system developed by the EPAST group (which has had success in surface and liquid applications) was used to disinfect the air, and results highlight the effectiveness of the PUV system for the inactivation of airborne microorganisms

KW - microbiological

KW - quality of air

KW - university lecture theatres

KW - pulsed ultra violet light

KW - disinfection

KW - PUV

KW - airborne microorganisms

KW - infection

KW - fatal illnesses

KW - physical mechanisms

KW - airborne contamination

KW - cross-infection

KW - SAS-Super180 sampler

UR - http://www.sgm.ac.uk/

UR - http://www.sgm.ac.uk/meetings/pdfabstracts/ed2003abs.pdf

M3 - Paper

ER -

MacLean M, Wang T, Anderson JG, MacGregor SJ, Rowan NJ. Microbiological quality of air in university lecture theatres and the potential application of pulsed ultra violet light disinfection. 2003. Paper presented at Society for General Microbiology – 152nd Meeting – –, University of Edinburgh, .