Detection of indoor biological hazards using the man-portable laser induced breakdown spectrometer
Applied Optics, Vol. 47, Issue 31, pp. G48-G57 doi:10.1364/AO.47.000G48
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- OCIS Codes:
- (300.6210) Spectroscopy : Spectroscopy, atomic
- (280.1415) Remote sensing and sensors : Biological sensing and sensors
- (300.6365) Spectroscopy : Spectroscopy, laser induced breakdown
Citation
Chase A. Munson, Jennifer L. Gottfried, Emily Gibb Snyder, Frank C. De Lucia, Jr., Brian Gullett, and Andrzej W. Miziolek, "Detection of indoor biological hazards using the man-portable laser induced breakdown spectrometer," Appl. Opt. 47, G48-G57 (2008)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-47-31-G48
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The performance of a man-portable laser induced breakdown spectrometer was evaluated for the detection of biological powders on indoor office surfaces and wipe materials. Identification of pure unknown powders was performed by comparing against a library of spectra containing biological agent surrogates and confusant materials, such as dusts, diesel soot, natural and artificial sweeteners, and drink powders, using linear correlation analysis. Simple models constructed using a second technique, partial least squares discriminant analysis, successfully identified Bacillus subtilis (BG) spores on wipe materials and office surfaces. Furthermore, these models were able to identify BG on materials not used in the training of the model.
© 2008 Optical Society of America
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History
Original Manuscript: March 31, 2008
Manuscript Accepted: July 11, 2008
Revised Manuscript: July 9, 2008
Published: August 18, 2008
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Author Affiliations
National Homeland Security Research Center
National Risk Management Research Laboratory
U.S. Army Research Laboratory
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