Production manner of the magnetic substance connotation grain and the magnetic substance connotation grain, it consists of with the grain for immunity measurement, and

摘要

PROBLEM TO BE SOLVED: To provide a magnetic body-containing particle having high chromatographic development property and allowing immunity measurement of high sensitivity, a manufacturing method of the magnetic body-containing particles, particles for measuring immunity, and an immunity measuring method using this.;SOLUTION: The magnetic body-containing particles are made of organic polymeric substance and magnetic bodies dispersed in the organic polymeric substance, and has an average particle size of 50-500 nm. The dispersion diameter of the magnetic bodies in the organic polymeric substance is 1-30 nm, and magnetic bodied is contained by 50-80 wt.%.;COPYRIGHT: (C)2007,JPO&INPIT