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《Journal of Chongqing University(Natural Science Edition)》 2003-12
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Application on Plasm Viscosity Detection With Piezoelectric Sensors

XIONG Xing liang, CAI Shao xi, WANG Xiang (Key Laboratory of Biomechanical & Tissue Engineering under the state Ministry of Education, College of Bioengineering Chongqing University,Chingqing 400044,China)  
A piezoelectric biosensors for detection of plasm viscosity is developed, which is based on liquid damping effect of quartz crystal resonator. The measuring principal is given. Simultaneously, the detector of sensor and oscillator circuit is developed. The test results show that the maximal frequency shift of sensor are linearly dependent on square root of viscosity. The proposed sensor is much more simpler, more sensitive than the traditional methods. Furthermore, The sensor can be used to on-line detection.
【Fund】: 云南省省院省校科技合作项目(2001SAABA00A033)
【CateGory Index】: TH789
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