Department of Bioengineering, University of Texas at Dallas, Richardson, Texas 75080, United States.
EnLiSense LLC, 1813 Audubon Pondway, Allen, Texas 75013, United States.
ACS Sens. 2023 Sep 22;8(9):3307-3319. doi: 10.1021/acssensors.3c00959. Epub 2023 Aug 4.
With the expansion of the Internet-of-Things (IoT), the use of gas sensors in the field of wearable technology, smart devices, and smart homes has increased manifold. These gas sensors have two key applications─one is the detection of gases present in the environment and the other is the detection of Volatile Organic Compounds (VOCs) that are found in the breath. In this review, we focus systematically on the advancements in the field of various spectroscopic methods such as mass spectrometry-based analysis and point-of-care approach to detect VOCs and gases for environmental monitoring and disease diagnosis. Additionally, we highlight the development of smart sensors that work on the principle of electrochemical detection and provide examples of the same through an extensive literature review. At the end of this review, we highlight various challenges and future perspectives.
随着物联网（IoT）的扩展，气体传感器在可穿戴技术、智能设备和智能家居领域的应用呈指数级增长。这些气体传感器有两个关键应用——一是检测环境中存在的气体，二是检测呼吸中存在的挥发性有机化合物（VOCs）。在这篇综述中，我们系统地关注了各种光谱方法的进展，如基于质谱分析的方法和即时检测方法，以用于环境监测和疾病诊断中的 VOCs 和气体检测。此外，我们还重点介绍了基于电化学检测原理的智能传感器的发展，并通过广泛的文献综述提供了一些实例。在本综述的最后，我们强调了各种挑战和未来展望。
