VectaFluor™ Excel Amplified Fluorescent Staining System offers an amplification method for fluorescence applications. This system utilizes an Amplifier Antibody (a specially prepared, high-affinity, unconjugated anti-mouse IgG or anti-rabbit IgG antibody, made in goat) followed by the ready-to-use (R.T.U.) VectaFluor™ DyLight® dye-labeled anti-goat IgG antibody.