DISPENSING DEVICE, AND CONTROL METHOD OF MAGNETIC PARTICLE IN DISPENSING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a dispensing device capable of efficiently performing the dispensing operation accompanied by collection/dispersion of magnetic particles with many channels. SOLUTION: The dispensing device sucks and delivers liquid containing the magnetic particles with a dispensing head 3 mounted with a plurality of dispensing tips 3a in two-dimensional arrangement. In a magnetic particle control plate 9 used for collecting the magnetic particles by magnetic force in the dispensing tips 3a, a bar-like magnet 15 for making the magnetic force act on each of the plurality of dispensing tips 3a from two opposite directions is arranged in a plate member 9a having a plurality of openings 9b corresponding to the two-dimensional arrangement of the dispensing tips 3a. Thus, the dispensing operation accompanied by the collection/dispersion of the magnetic particles can be efficiently performed with many channels. COPYRIGHT: (C)2008,JPO&INPIT