Patents Assigned to Kings Brewery Co., Ltd.
  • Chemiluminescent assay for the determination of density of activity of viable cells
    Patent number: 5093238
    Abstract: A chemiluminescent assay for the determination of density or activity of viable cells which comprises incubating viable cells in the presence of a quinone whose reduced form redcues dissolved oxygen resulting in formation of hydrogen peroxide, reacting the hydrogen peroxide with a chemiluminescence reagent in the presence of a fluorescent substance to cause fluorescence and determining density or activity of the cells on the basis of the intensity of fluorescence.
    Type: Grant
    Filed: September 14, 1989
    Date of Patent: March 3, 1992
    Assignee: Kings Brewery Co., Ltd.
    Inventors: Shiro Yamashoji, Kumiko Yamashoji, Tatsuhiko Ikeda