| 摘要 |
A target substance detecting method employs a detecting chip equipped with a fine flow channel. Examinations, in which clogging of the flow channel and inhibition of immune reactions can be easily and expediently prevented without preliminary processes, are enabled to be performed without fluctuations in hemolysis rates. The detecting chip having a flow channel base having the flow channel and a detecting portion formed in the flow channel is employed. A liquid sample that may contain a target substance and contains cellular non target substances is caused to flow into the flow channel. An ultrasonic wave emitting section provided upstream of the detecting portion emits ultrasonic waves into the liquid sample from a direction perpendicular to the longitudinal direction of the flow channel such that a standing wave is generated within the flow channel.
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