Detection of indoor biological hazards using the man-portable laser induced breakdown spectrometer

被引：21
|
作者：
Munson, Chase A. [1 ]
Gottfried, Jennifer L. [1 ]
Snyder, Emily Gibb [2 ]
De Lucia, Frank C., Jr. [1 ]
Gullett, Brian [3 ]
Miziolek, Andrzej W. [1 ]
机构：
[1] USA, Res Lab, AMSRD, ARL,WM,BD, Aberdeen Proving Ground, MD 21005 USA
[2] US EPA, Off Res & Dev, Natl Homeland Secur Res Ctr, Res Triangle Pk, NC 27711 USA
[3] US EPA, Off Res & Dev, Natl Risk Management Res Lab, Res Triangle Pk, NC 27711 USA
来源：
APPLIED OPTICS | 2008年 / 47卷 / 31期
关键词：
D O I：
10.1364/AO.47.000G48
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
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. (C) 2008 Optical Society of America
引用
收藏
页码：G48 / G57
页数：10
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