A quartz crystal microbalance-type odor sensor using PVC-blended lipid membrane

Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9) Pub Date : 1994-05-10 DOI:10.1109/IMTC.1994.352063

G. Matsuno, D. Yamazaki, E. Ogita, K. Mikuriya, T. Ueda

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引用次数: 10

Abstract

A new odor sensor was developed based on the quartz crystal microbalance method. Newly developed PVC-blended lipid membrane was used as odorant-adsorptive membrane. It was deposited on the surface of a quartz crystal resonator, with which the mass increase induced by the adsorption of odorants onto the membrane was measured as the resonant frequency decrease. Sensor evaluation was performed and it was shown that the sensor had a sensitivity of 1 ppm and a response speed of less than 5 sec for amylacetate gas, which are very close to those of human beings and much better than conventional oxide semiconductor-type sensors or quartz crystal microbalance-type ones with other membranes. The odor selectivity of the sensor was also proved to be similar to that of human beings. Finally, identification of 6 odorants was performed by comparing the output patterns of 5 sensors with different membrane lipid compositions.<>

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一种聚氯乙烯混合脂质膜石英晶体微天平型气味传感器

研制了一种基于石英晶体微天平法的新型气味传感器。采用新研制的聚氯乙烯-混合脂质膜作为气味吸附膜。将其沉积在石英晶体谐振器表面，随着谐振频率的降低，测量了气味剂吸附在膜上引起的质量增加。对传感器进行了评价，结果表明，该传感器对乙酸甲酯气体的灵敏度为1 ppm，响应速度小于5秒，与人类的灵敏度非常接近，远远优于传统的氧化物半导体型传感器或石英晶体微天平型传感器。该传感器的气味选择性也被证明与人类相似。最后，通过比较不同膜脂组成的5种传感器的输出模式，对6种气味进行了识别

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Conference Proceedings. 10th Anniversary. IMTC/94. Advanced Technologies in I & M. 1994 IEEE Instrumentation and Measurement Technolgy Conference (Cat. No.94CH3424-9)

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