Micro-particle manipulation by single beam acoustic tweezers based on hydrothermal PZT thick film
Benpeng ZhuChinese Academy of Sciences 2 State Key Laboratory of Transducer Technology, , Shanghai 200050, ChinaJiong XuHuazhong University of Science and Technology 1 School of Optical and Electronic Information, , Wuhan 430074, ChinaYing LiUniversity of Southern California 3 Department of Biomedical Engineering and NIH Transducer Resource Center, , Los Angeles, California 90089-1111, USATian WangWuhan University 4 Department of Physics and Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, , Wuhan 430072, ChinaKe XiongWuhan University 4 Department of Physics and Key Laboratory of Acoustic and Photonic Materials and Devices of Ministry of Education, , Wuhan 430072, ChinaChangyang LeeUniversity of Southern California 3 Department of Biomedical Engineering and NIH Transducer Resource Center, , Los Angeles, California 90089-1111, USAXiaofei YangHuazhong University of Science and Technology 1 School of Optical and Electronic Information, , Wuhan 430074, ChinaMichihisa ShiibaToin University of Yokohama 5 Medical Engineering Course, Graduate School of Engineering, , Yokohama 225-8501, JapanShinichi TakeuchiToin University of Yokohama 5 Medical Engineering Course, Graduate School of Engineering, , Yokohama 225-8501, JapanQifa ZhouUniversity of Southern California 3 Department of Biomedical Engineering and NIH Transducer Resource Center, , Los Angeles, California 90089-1111, USAK. Kirk ShungUniversity of Southern California 3 Department of Biomedical Engineering and NIH Transducer Resource Center, , Los Angeles, California 90089-1111, USA
2016en
ABI
Аннотация
Single-beam acoustic tweezers (SBAT), used in laboratory-on-a-chip (LOC) device has promising implications for an individual micro-particle contactless manipulation. In this study, a freestanding hydrothermal PZT thick film with excellent piezoelectric property (d33 = 270pC/N and kt = 0.51) was employed for SBAT applications and a press-focusing technology was introduced. The obtained SBAT, acting at an operational frequency of 50MHz, a low f-number (∼0.9), demonstrated the capability to trap and manipulate a micro-particle sized 10μm in the distilled water. These results suggest that such a device has great potential as a manipulator for a wide range of biomedical and chemical science applications.
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