| 摘要 |
The invention relates to an electromagnetic system for biosensors, in which the system can switch quickly between high magnetic gradients, without the need of movement of mechanical elements. This is realized by two independent electromagnetic units (1,1′ 2, 2′) which are separated in the region of the pole shoes over a gap, in which a sample volume is arranged by a cartridge (3), and in which the sensor surfaces of the biosensor are located at one or more inner surfaces of the cartridge (3).
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