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

页码：G48 / G57

页数：10

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