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首页> 外文期刊>High Temperature Material Processes >ADVANCES IN THE DETECTION OF CHEMICAL AND BIOLOGICAL AEROSOLIZED POLLUTANTS BY MEANS OF A FIELD-TRANSPORTABLE LASER-INDUCED BREAKDOWN SPECTROSCOPY-BASED DETECTOR
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ADVANCES IN THE DETECTION OF CHEMICAL AND BIOLOGICAL AEROSOLIZED POLLUTANTS BY MEANS OF A FIELD-TRANSPORTABLE LASER-INDUCED BREAKDOWN SPECTROSCOPY-BASED DETECTOR

机译：现场传输激光诱导击穿光谱的探测器在化学和生物气溶胶污染物检测中的研究进展

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摘要

Recent developments of Laser-Induced Breakdown Spectroscopy (LIBS) are devoted to the real-time and in situ detection of chemical (C) and biological (B) pollutants. The aim of the present work is to present and assess the abilities of an innovative field-transportable system based on LIBS to detect and ideally classify the different forms of C and B contaminations. In this paper, we focused on the detection of particulate matter. Multielemental model and Bacillus-based real bacterial aerosols are studied in terms of elemental sensitivity, statistical sampling strategy and classification purposes by means of the LIBS. The capabilities of the LIBS system to detect and discriminate a set of aerosols were assessed with satisfaction. Very rich atomic spectral information is contained in only one spectrum. Through statistical multivariate methods such as Principal Component Analysis, a distinction between the natural and surrounding environmental background and the "contamination" would be possible.
机译：激光诱导击穿光谱技术（LIBS）的最新发展致力于化学（C）和生物（B）污染物的实时和原位检测。本工作的目的是介绍和评估基于LIBS的创新型现场运输系统检测和理想分类C和B污染形式的能力。在本文中，我们着重于颗粒物的检测。通过LIBS，在元素敏感性，统计采样策略和分类目的方面研究了多元素模型和基于芽孢杆菌的真实细菌气溶胶。满意地评估了LIBS系统检测和区分一组气溶胶的能力。非常丰富的原子光谱信息仅包含在一个光谱中。通过统计多元方法（例如主成分分析），自然和周围环境背景与“污染”之间的区别将是可能的。

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