Multivariate data analysis of fluorescence signals from biological aerosols

T. Tjärnhage, Maria Strömqvist, G. Olofsson, D. Squirrell, James Burke, J. Ho, M. Spence
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引用次数: 16

Abstract

This paper describes the use of multivariate data analysis of multiwavelength fluorescence measurements of biological aerosols collected by an air to liquid cyclone sampler. The enriched aerosol suspension was analyzed in a flow cell by a commercial spectrofluorometer at eight different wavelength combinations. The data were obtained from the disseminations of biological simulants at the 6th Joint Field Trials at Defence Research Establishment Suffield, Ralston, Alberta, Canada. The measurement concept was to use intrinsic biological fluorescence to distinguish between the different simulants as well as to distinguish them from interfering particles such as smoke and dust. Fluorescence data were analyzed using principal component analysis. © 2001 John Wiley & Sons, Inc. Field Analyt Chem Technol 5: 171–176, 2001
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生物气溶胶荧光信号的多变量数据分析
本文描述了使用多波长荧光测量的多变量数据分析的生物气溶胶收集的空气-液体旋风采样器。浓缩气溶胶悬浮液在流动池中用商用荧光光谱仪在8种不同的波长组合下进行分析。这些数据是在加拿大阿尔伯塔省拉尔斯顿萨菲尔德国防研究机构第六次联合野外试验中传播生物模拟物获得的。测量概念是使用固有的生物荧光来区分不同的模拟物,并将它们与烟雾和灰尘等干扰粒子区分开来。采用主成分分析法对荧光数据进行分析。©2001 John Wiley & Sons, Inc化学工程学报(英文版),2001
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Development and evaluation of a low thermal mass gas chromatograph for rapid forensic GC–MS analyses Field detection and identification of a bioaerosol suite by pyrolysis-gas chromatography-ion mobility spectrometry* Multivariate data analysis of fluorescence signals from biological aerosols Biological agent detection and identification by the Block II Chemical Biological Mass Spectrometer Rapid determination of bacteria in drinking water using an ATP assay
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