Probe Type Application Starting
Material for Probe Synthesis
Probe
Synthesis
Reaction
Ambion Kit Comments
dsDNA (I,N)Northern, Southern, dot blotscDNA inserts, PCR product, plasmid with insertRandom priming reactionDECAprime™ II
  • Fastest reaction
  • Least sensitive
ssRNA (I,N)NPA, in situ hybridizationPlasmid with insert and polymerase promoterIn vitro transcriptionMAXIscript™
  • For use in ribonuclease protection assay
Oligonucleotide (I)Northern, Southern, dot blotsOligonucleotideEnd labelingKinaseMax™
  • Fastest reaction
  • Least sensitive
NPAOligonucleotideEnd labelingKinaseMax™
  • Fastest reaction
  • Least sensitive
ssRNA
ssDNA
dsDNA
Oligonucleotide (N)
Northern, Southern, Dot blots, in situ hybridizationDNA, RNA or oligonucleotideChemical labeling, post-nucleic acid synthesisBrightStar™ Psoralen-Biotin
  • Sensitivity depends on nucleic acid labeled (e.g., ssRNA vs. dsDNA)



(I) Isotopic
(N) Nonisotopic