title: A highly sensitive compact liquid sensor based on slotted phononic crystal plates.
abstract: Liquid sensing is achieved by using slotted phononic crystal plates (SPCP). The sensing mechanism is based on the fact that an acoustic wave confined in a small liquid slot intensively interacts with the liquid sample in the slot, and the acoustic energy flux transmission spectrum of the SPCP system strongly depends on the acoustic properties of the liquid in the slot. Consequently, the resonance frequency of the sensing system varies with the density and sound velocity of the liquid sample. Compared with the traditional Lamb wave sensor, the SPCP sensor exhibits a higher sensitivity and requires a minimal amount of liquid sample. These attractive advantages may allow the SPCP liquid sensor to be easily integrated into a chip for broad lab-on-chip biochemical sensing applications.
authors: Sino-Dutch Biomedical and Information Engineering School, Northeastern University, Shenyang 110819, China. kangy@neusoft.com and Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China. fy.cai@siat.ac.cn.
authors: Chen
authors: C
authors: Wang
authors: Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China. fy.cai@siat.ac.cn.
authors: Feiyan
authors: F
authors: Cai
authors: Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China. fy.cai@siat.ac.cn and Shenzhen Key Laboratory of Nanobiomechanics, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
authors: Fei
authors: F
authors: Li
authors: Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China. fy.cai@siat.ac.cn.
authors: Long
authors: L
authors: Meng
authors: Department of Mechanical Engineering, University of Washington, Seattle, Washington 98195, USA.
authors: Jiangyu
authors: J
authors: Li
authors: Department of Physics, University of Vermont, Burlington, Vermont 05405, USA.
authors: Junru
authors: J
authors: Wu
authors: Sino-Dutch Biomedical and Information Engineering School, Northeastern University, Shenyang 110819, China. kangy@neusoft.com.
authors: Yan
authors: Y
authors: Kang
authors: Paul C. Lauterbur Research Center for Biomedical Imaging, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China. fy.cai@siat.ac.cn.
authors: Hairong
authors: H
authors: Zheng