Fluorescein-12-dUTP (Perkin-Elmer) *1 mM in TE Buffer (pH 7.5) *

The dye-modified deoxyuridine 5'-triphosphates (such as aminoallyl-dUTP) can be used to produce dye-containing DNA by conventional enzymatic incorporation methods such as reverse transcription, nick translation, random primed labeling, or PCR.