School of Engineering, Faculty of Science and Engineering, Macquarie University, Sydney NSW 2109, Australia.
Institute for Biomedical Materials and Devices, Faculty of Science, University of Technology Sydney, Sydney NSW 2007, Australia.
Biosensors (Basel). 2019 Mar 17;9(1):43. doi: 10.3390/bios9010043.
Human breath has long been known as a system that can be used to diagnose diseases. With advancements in modern nanotechnology, gas sensors can now diagnose, predict, and monitor a wide range of diseases from human breath. From cancer to diabetes, the need to treat at the earliest stages of a disease to both increase patient outcomes and decrease treatment costs is vital. Therefore, it is the promising candidate of rapid and non-invasive human breath gas sensors over traditional methods that will fulfill this need. In this review, we focus on the nano-dimensional design of current state-of-the-art gas sensors, which have achieved records in selectivity, specificity, and sensitivity. We highlight the methods of fabrication for these devices and relate their nano-dimensional materials to their record performance to provide a pathway for the gas sensors that will supersede.
人类的呼吸一直以来都被认为是一种可以用于诊断疾病的系统。随着现代纳米技术的进步，气体传感器现在可以从人类的呼吸中诊断、预测和监测各种疾病。从癌症到糖尿病，在疾病的早期阶段进行治疗对于提高患者的治疗效果和降低治疗成本至关重要。因此，快速、非侵入性的人体呼吸气体传感器有望取代传统方法来满足这一需求。在这篇综述中，我们重点介绍了当前最先进的气体传感器的纳米级设计，这些传感器在选择性、特异性和灵敏度方面都取得了记录。我们强调了这些设备的制造方法，并将它们的纳米级材料与记录的性能联系起来，为超越这些性能的气体传感器提供了一条途径。
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