A sensing method comprises the steps of: allowing a liquid sample containing an analyte to flow through a channel, applying a force oriented in a given direction normal to a direction in which the liquid sample flows in the channel upon the analyte in a given position of the channel to move the analyte in the given direction so that the analyte is concentrated, causing the liquid sample to flow to a sensing surface forming a part of a wall surface of the channel located downstream of the given position and in the given direction against the channel, the sensing surface securing thereon a binding substance specifically reacting with the analyte, to allow the concentrated analyte to bind to the binding substance, and detecting a quantity of the analyte bound to the binding substance.

 
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