Invention Grant
US08367018B2 Chip with tri-layer electrode and micro-cavity arrays for control of bioparticle and manufacturing method thereof 有权
具有用于控制生物颗粒的三层电极和微腔阵列的芯片及其制造方法

Chip with tri-layer electrode and micro-cavity arrays for control of bioparticle and manufacturing method thereof
Abstract:
A chip with tri-layer electrodes and micro-cavity arrays for control of bioparticles and a manufacturing method thereof are revealed. The chip captures and releases bioparticles into and from preset cavities by dielectrophoresis (DEP) force generated by electrodes. The chip includes an upper layer body, a middle layer body, a lower layer body, respectively disposed with an electrode, and micro flow chambers. The electrodes of the upper layer body and the middle layer body are common electrodes while the electrode of the lower layer body is a dispersive electrode array exposed on the bottom of lower-layer microcavity. The cell capture and release at the single-cell level and the cell population level are attained by application of an AC electric field.
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