| CPC G01N 33/54326 (2013.01) [B01L 3/502761 (2013.01); B03C 1/284 (2013.01); G01N 21/69 (2013.01); G01N 21/76 (2013.01); G01N 33/582 (2013.01); G01N 35/00069 (2013.01); G01N 35/0098 (2013.01); G01N 35/10 (2013.01); B01L 2200/0668 (2013.01)] | 10 Claims |

|
1. A method comprising:
forming, on a magnetic particle, a complex of a test substance and a labeling substance in a cartridge, the cartridge comprising a plurality of chambers and a channel connecting the chambers;
attracting the magnetic particle by a magnet;
transferring the magnetic particle between the chambers, the transferring comprising:
moving the magnet attracting the magnetic particle to move the magnetic particle between one of the chambers and the channel; and
rotating the cartridge in a circumferential direction to move the magnetic particle through the channel while the magnetic particle is attracted by the magnet, wherein the magnet is moved in a direction different from the circumferential direction.
|