| 摘要 |
A marker detection apparatus detects a marker attached to a target sample from samples flowing in a sample flow, including: an electric field formation section (3,21,22) that forms a quasi-electrostatic field in a path of the sample flow; and a detection section (3,21,23) that detects, when the target sample labeled by the marker that is a particle made from a piezoelectric or electrostrictive substance of a unique vibration frequency gets into the quasi-electrostatic field, the vibration of the particle.
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