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Investigation of mass sensitivity for the piezoelectric diaphragm biosensor

  • Shaokang Li
  • , Wei Ren
  • , Xiaofeng Chen
  • , Xi Yao
  • Xi'an Jiaotong University
  • Xi'an Technological University

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The mass sensitivity of a piezoelectric diaphragm biosensor has been investigated. The piezoelectric diaphragm utilizing a flexural vibration mode is an acoustic wave device which can be immobilized with a bio-molecular recognition layer on its surface. The mass sensitivity of the sensor was analyzed by the approximately theoretical and FEM methods, respectively. The sensitivity formula expressed by the structural parameters and the material parameter was educed for easy computing. The procedure utilizing Rayleigh method for the analytic solution of the sensitivity was introduced. The expression was verified by using a commercial FEM software package, ANSYS. The simulations are well consistent with the theory.

源语言英语
主期刊名Precision Engineering and Non-Traditional Machining, PENTM 2011
245-249
页数5
DOI
出版状态已出版 - 2012
活动2011 International Conference on Precision Engineering and Non-Traditional Machining, PENTM 2011 - Xi'an, 中国
期限: 9 12月 201111 12月 2011

出版系列

姓名Advanced Materials Research
411
ISSN(印刷版)1022-6680

会议

会议2011 International Conference on Precision Engineering and Non-Traditional Machining, PENTM 2011
国家/地区中国
Xi'an
时期9/12/1111/12/11

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