Provided is a single particle capturing device capable of capturing particles one by one in a recess (16) while preventing other particles from accumulating on the captured particles. The substrate (11) includes a channel (12), and has a corrugated structure having a peak (13) and a valley (14) on the channel (12). A single particle capturing device having a recess (16) at the top (15), said recess (16) having a retracting passageway (17).
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