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Detection of volatile organic compounds: From chemical gas sensors to terahertz spectroscopy
Reviews in Analytical Chemistry ( IF 3.6 ) Pub Date : 2021-01-01 , DOI: 10.1515/revac-2021-0127
Vardan Galstyan 1 , Annalisa D’Arco 2 , Marta Di Fabrizio 3 , Nicola Poli 1 , Stefano Lupi 4 , Elisabetta Comini 1
Affiliation  

Volatile organic compounds are released by different sources causing air pollution. Moreover, some of these carbon-based organic chemicals are considered as biomarkers in the exhaled breath of individuals and can be used to identify various kinds of diseases. Hence, the increasing demand to control air quality and human health has promoted the development of monitoring systems based on high-performance gas sensing structures. This review highlights the achievements in sensing technologies for the detection of volatile organic compounds. Particularly, chemiresistive gas sensors and detection systems based on the terahertz spectroscopy method are outlined. The progress in research studies is discussed and the potential of both techniques is evaluated considering the current challenges. Afterward, a brief summary is also provided along with the advances and issues for future investigations and the manufacturing of highly sensitive and selective monitoring systems.

中文翻译:

挥发性有机化合物的检测:从化学气体传感器到太赫兹光谱

挥发性有机化合物由不同来源释放,造成空气污染。此外,这些碳基有机化学物质中的一些被认为是个体呼出气中的生物标志物,可用于识别各种疾病。因此,控制空气质量和人体健康的需求不断增长,促进了基于高性能气体传感结构的监测系统的发展。这篇综述重点介绍了用于检测挥发性有机化合物的传感技术方面的成就。特别地,概述了基于太赫兹光谱法的化学气体传感器和检测系统。讨论了研究的进展,并考虑了当前的挑战,评估了这两种技术的潜力。之后,
更新日期:2021-01-01
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