ting reaction in the presence of a dilute aqueous solution of sodium hydroxide and hydrogen peroxide; linked to a monoclonal antibody or other protein in a two-site immunoassayUS729755514 Jul 200520 Nov 2007Quest Diagnostics Investments IncorporatedAmine-reactive quaternary acridinium compounds, e.g., pentafluorophenyloxy-1-carbonyl-4,7,10,13-tetraoxapentadecyl-(15-amino)-3'-sulfonyl-2',6'-dimethy