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公开(公告)号：EP4310513A1
公开(公告)日：2024-01-24
申请号：EP21931711.2
申请日：2021-11-26
发明人： URAKAWA, Satoshi
摘要： A technique for appropriately protecting electrodes of a microfluidic chip is provided. A microfluidic chip (1) includes a substrate (10), electrodes (31), insulation films (33), and a fluid holding part (20). The electrodes (31) are disposed on an upper surface of the substrate (10). The insulation films (33) cover upper surfaces of the respective electrodes (31). The insulation films (33) are comprised of an oxide film obtained by oxidizing a metal contained in the electrodes (31) or a nitride film obtained by nitriding the metal contained in the electrodes (31). The fluid holding part (20) is capable of accommodating a fluid over the insulation films (33).
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公开(公告)号：EP4365582A1
公开(公告)日：2024-05-08
申请号：EP22832939.7
申请日：2022-06-21
摘要： There is provided a flow channel chip and a separation system which enable stabilization of work for separating a specific types of dielectric particles from a suspension. The flow channel chip (10) includes: a substrate (10a) including an inlet (21) for introduction of a suspension (L1) containing a plurality of types of dielectric particles (P1, P2) including a specific type of dielectric particles (P1), and a flow channel (30) for allowing a flow of the plurality of types of dielectric particles (P1, P2) of the suspension (L1) introduced from the inlet (21); a separation electrode (50) positioned inside the flow channel (30) to cause a dielectrophoretic force for causing the specific type of dielectric particles (P1) of the plurality of types of dielectric particles (P1, P2) to move in a predetermined direction; and a sensor electrode (60) positioned inside the flow channel (30) to measure an electric resistance of the suspension (L1).
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