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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editor: Gregory W. Faris
  • Vol. 1, Iss. 6 — Jun. 13, 2006

Airborne bacterial endospores detected by use of an impinger containing aqueous terbium chloride

David L. Rosen  »View Author Affiliations


Applied Optics, Vol. 45, Issue 13, pp. 3152-3157 (2006)
http://dx.doi.org/10.1364/AO.45.003152


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Abstract

An experimental investigation is described of a terbium luminescence sensor for continuous collection and detection of bacterial endospores suspended in the atmosphere. A sensor is presented that continuously monitors and rapidly detects small concentrations of aerosolized bacterial endospores. The aerosol particles are collected by an impinger from which terbium dipicolinate photoluminescence is measured. A preliminary test of the sensor is described with Bacillus globigii endospores that were dispersed in an aerosol chamber. Another experiment is described showing that evaporation of water from the impinger limits operation time of the sensor to a few hours.

© 2006 Optical Society of America

OCIS Codes
(010.1110) Atmospheric and oceanic optics : Aerosols
(120.1880) Instrumentation, measurement, and metrology : Detection
(300.6280) Spectroscopy : Spectroscopy, fluorescence and luminescence
(300.6500) Spectroscopy : Spectroscopy, time-resolved

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: July 20, 2005
Manuscript Accepted: September 16, 2005

Virtual Issues
Vol. 1, Iss. 6 Virtual Journal for Biomedical Optics

Citation
David L. Rosen, "Airborne bacterial endospores detected by use of an impinger containing aqueous terbium chloride," Appl. Opt. 45, 3152-3157 (2006)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-45-13-3152

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