________________________________________Enhances the Fluorescence of Immunoassays by a Factor of 100 $\mu$

________________________________________enhances the fluorescence of immunoassays by a factor of 100 by measuring the fluorescence of Eu³⁺ 200 $\mu$ s after excitation with a laser pulse.

A) Time-resolved fluorescence immunoassays
B) Time-dependent fluorescence immunoassays
C) Immunoassay fluorescence over time immunoassays
D) Weakly bound time fluorescence immunoassays
E) Europium-bound fluorescence immunoassays