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    • 9. 发明公开
    • IMMUNOLOGICAL ASSAY METHOD
    • 免疫检测法
    • EP2660603A4
    • 2014-11-12
    • EP11852495
    • 2011-12-27
    • TOSOH CORP
    • FURUTA YUKISHINTANI KOJI
    • G01N33/543
    • G01N33/543G01N33/54306
    • [Problem] To provide a so-called competitive immunological assay method capable of more uniformly immobilizing on a solid phase a substance equivalent to an antigen. [Solution] This immunological assay method measures an analyte substance in a sample by using: an equivalent substance immobilized on the solid phase during the execution of the assay, the equivalent substance being immunologically equivalent to the analyte substance; and a labeled antibody for specifically binding to the substance equivalent to the analyte substance. The assay method is characterized in that the equivalent substance is immobilized on the solid phase using: a bond between the equivalent substance and a carrier substance, the carrier substance being a substance to which the labeled antibody does not bind; and a bond between the carrier substance and a specific binding substance immobilized on the solid phase, the specific binding substance being a substance that binds specifically to the carrier substance.
    • 10. 发明专利
    • AQUEOUS POLYSTYRENESULFONATE SOLUTION AND ITS PRODUCTION
    • JPH10237248A
    • 1998-09-08
    • JP31973397
    • 1997-11-20
    • TOSOH CORP
    • SHINTANI KOJIHAMADA AKINORIFURUTA KAZUMI
    • C08L25/18C08F4/04
    • PROBLEM TO BE SOLVED: To obtain an aqueous polystyrenesulfonate solution having chloride and sulfate ions content in a specified range and a specific color by polymerizing a monomer in the presence of a polymerization initiator comprising a water-soluble salt of azobiscyanocarboxylic acid and/or 2,2'-azobis 2-methyl-N-[1,1'-bis(hydroxymethyl]-2-hydroxyethyl}propionamide}. SOLUTION: An aqueous solution of the product has a content of chloride and sulfate ions of 1-100ppm and a color (APHA) of 10-60 as measured on a 20wt.% aqueous solution. The polymerization initiator being a water-soluble salt of azobiscyanocarboxylic acid is a compound of the formula (wherein M is Li, Na, K or NH4 ). It is desirable that the production method is a consecutive addition one comprising polymerizing a styrene sulfonate monomer while adding dropwise an aqueous solution of the monomer and a polymerization initiator to a polymerizer, and that the concentration of the polymerization solution is 5-30wt.% in consideration for the production efficiency and the viscosity of the polymer. This solution can be used in the fields of semiconductors, photography, etc., by virtue of the lowered content of contaminant ions and the improved color.