Patent Number: 6,251,618

Title: Color developing method, enzyme immunoassay using the color developing method, and immunochromatography incorporating the enzyme immunoassay

Abstract: Disclosed are a color developing method utilizing the reaction of an indolyl derivative with an enzyme in the presence of a specific free radical compound and/or a specific chelate compound, and an enzyme immunoassay using the color developing method.

Inventors: Sugiyama; Masami (Tokyo, JP), Miyazaki; Mamoru (Tokyo, JP), Ashihara; Yoshihiro (Tokyo, JP)

Assignee: Fujirebio Inc.

International Classification: G01N 33/58 (20060101); G01N 033/543 (); G01N 033/576 ()

Expiration Date: 06/26/2018