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MAGNETIC SEPARATION METHOD AND AUTOMATED ANALYZER
MAGNETIC SEPARATION METHOD AND AUTOMATED ANALYZER
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机译:磁分离方法和自动分析仪
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摘要
The purpose of the present invention is to use a single device to highly efficiently carry out a plurality of washing processes for gradually reducing the amount of a magnetic particle solution in a reaction vessel. This magnetic separation method comprises a plurality of washing processes for using a magnetic separation device and a stirring mechanism to separate a magnetic substance and nonmagnetic substance. A first washing process includes a step for inserting a reaction vessel 116 into a recess provided in the magnetic separation device and capturing the magnetic substance using a plurality of magnets 51, 52 that are each disposed along the peripheral direction of the recess such that the same pole faces the reaction vessel 116, a step for solution aspiration, a step for discharging liquid such that the surface 61 of the liquid goes to a position higher than the upper edges of the magnets, and a step for stirring the liquid. A second washing process includes a step for inserting the reaction vessel 116 into the magnetic separation device and aspirating the liquid, a step for discharging the liquid such that the surface 62 of the liquid goes to a position lower than the upper edges of the magnets where the magnetic field intensity is lower than at the position of the upper edges of the magnets, and a step for stirring the liquid. (See fig. 6.)
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