| 摘要 |
PROBLEM TO BE SOLVED: To provide a method for uniformly holding the concentration of reactive substance bonded fine particles in a dispersion, by suppressing the sedimentation of the reactive substance bonded fine particles in the dispersion. SOLUTION: The sedimentation suppressing method of the fine particles, to which a reactive substance is bonded include a process for allowing at least one compound selected from among a group, consisting of a polyanion and its salt, dextrane, cyclodextrin, polyethylene glycol and glycerol to coexist in the fine particle dispersion. COPYRIGHT: (C)2007,JPO&INPIT
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