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Proceedings Paper

Bioaerosol detection using single particle triggered LIBS
Author(s): Anders Larsson; Annelie Karlsson; Per-Åke Gradmark; Lars Landström
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Paper Abstract

A prototype LIBS system, measuring on single aerosol particles sampled from ambient air, has been developed for BWA detection purposes. To further discriminate measurement sampling, a 405 nm induced fluorescence trigger stage has recently been incorporated. The induced fluorescence, as well as the scattered light, was measured on monodisperse NADH and NaCl aerosols in the ~1-7 μm range as well as on dispersions of various simulant bioaerosols and interferents. Finally, the discrimination of sampling for LIBS measurements was demonstrated on NADH particulates in high non-fluorescent aerosol background.

Paper Details

Date Published: 12 May 2016
PDF: 8 pages
Proc. SPIE 9824, Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVII, 98240S (12 May 2016); doi: 10.1117/12.2223717
Show Author Affiliations
Anders Larsson, FOI-Swedish Defence Research Agency (Sweden)
Annelie Karlsson, FOI-Swedish Defence Research Agency (Sweden)
Per-Åke Gradmark, FOI-Swedish Defence Research Agency (Sweden)
Lars Landström, FOI-Swedish Defence Research Agency (Sweden)

Published in SPIE Proceedings Vol. 9824:
Chemical, Biological, Radiological, Nuclear, and Explosives (CBRNE) Sensing XVII
Augustus Way Fountain III, Editor(s)

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