Title :
A multichannel chemical sensing method using single quartz resonator and micro flow channel
Author :
Toyama, S. ; Abe, Takashi
Author_Institution :
Grad. Sch. of Sci. & Technol., Niigata Univ., Niigata, Japan
Abstract :
In this paper, the development of multi chemical sensing method using a single quartz resonator and micro flow channel has been reported. In the developed device, samples pass through two capacitors mounted as sensing parts in a microchannel with a time lag. Connecting the capacitors to the single quartz resonator, one can obtain frequency change ΔF of the resonator as time lag signals depending on the relative permittivity of samples. Using the proposed method, we can realize multi chemical sensing with a single resonator.
Keywords :
chemical sensors; microfluidics; microsensors; sensor fusion; capacitors; microchannel; microflow channel; multi chemical sensing; multichannel chemical sensing method; relative permittivity; single quartz resonator; time lag signals; Capacitors; Chemicals; Liquids; Methanol; Microchannel; Permittivity; Sensors;
Conference_Titel :
Sensors, 2012 IEEE
Conference_Location :
Taipei
Print_ISBN :
978-1-4577-1766-6
Electronic_ISBN :
1930-0395
DOI :
10.1109/ICSENS.2012.6411070