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Improved Cyclohexanone Vapor Detection via Gravimetric Sensing
Journal of Microelectromechanical Systems ( IF 2.7 ) Pub Date : 2020-10-01 , DOI: 10.1109/jmems.2020.3010463 Aida R. Colon-Berrios , Christine K. McGinn , Marco R. Cavallari , Jose A. Bahamonde , Natallia Yelavik , Hannes Mikula , Johannes Bintinger , Ioannis Kymissis
Journal of Microelectromechanical Systems ( IF 2.7 ) Pub Date : 2020-10-01 , DOI: 10.1109/jmems.2020.3010463 Aida R. Colon-Berrios , Christine K. McGinn , Marco R. Cavallari , Jose A. Bahamonde , Natallia Yelavik , Hannes Mikula , Johannes Bintinger , Ioannis Kymissis
Functionalized gravimetric sensors are a promising path to small, versatile, real-time vapor sensors for volatile organic compounds. Many of these compounds can be dangerous to human health, but their nonreactive nature makes them notoriously difficult to sense. Unlike bulk acoustic resonators, chemiresistive devices have been investigated extensively and many researchers have used innovative synthesis strategies to functionalize these devices. In this work, we demonstrate how modifying a particular sensitizer for use with a bulk acoustic resonator significantly improves the sensitivity of the device (5 ppm vs. 1.11 ppm). Additionally, readout circuitry is described to avoid some problems that typically plague gravimetric sensors while simplifying the overall system. These strategies create a playbook for simple, fast, and sensitive systems for sensing volatile organic compounds, while also demonstrating the lowest limit of detection for cyclohexanone outside of gas chromatography/mass spectrometery in the literature. [2020-0053]
中文翻译:
通过重力感应改进环己酮蒸气检测
功能化的重力传感器是用于挥发性有机化合物的小型、多功能、实时蒸汽传感器的一条有前途的途径。许多这些化合物可能对人类健康有害,但它们的非反应性使它们很难被感知。与体声波谐振器不同,化学电阻器件已被广泛研究,许多研究人员已使用创新的合成策略来使这些器件功能化。在这项工作中,我们展示了修改特定的敏化剂以与体声波谐振器一起使用如何显着提高设备的灵敏度(5 ppm 与 1.11 ppm)。此外,还描述了读出电路以避免一些通常困扰重力传感器的问题,同时简化了整个系统。这些策略为简单、快速、和用于检测挥发性有机化合物的灵敏系统,同时还证明了文献中除气相色谱/质谱之外的环己酮的最低检测限。[2020-0053]
更新日期:2020-10-01
中文翻译:
通过重力感应改进环己酮蒸气检测
功能化的重力传感器是用于挥发性有机化合物的小型、多功能、实时蒸汽传感器的一条有前途的途径。许多这些化合物可能对人类健康有害,但它们的非反应性使它们很难被感知。与体声波谐振器不同,化学电阻器件已被广泛研究,许多研究人员已使用创新的合成策略来使这些器件功能化。在这项工作中,我们展示了修改特定的敏化剂以与体声波谐振器一起使用如何显着提高设备的灵敏度(5 ppm 与 1.11 ppm)。此外,还描述了读出电路以避免一些通常困扰重力传感器的问题,同时简化了整个系统。这些策略为简单、快速、和用于检测挥发性有机化合物的灵敏系统,同时还证明了文献中除气相色谱/质谱之外的环己酮的最低检测限。[2020-0053]