Heterocyclic CompoundsHeterocyclic Compounds, Bridged-RingNitrogen CompoundsCyclizationHeterocyclic Compounds, 2-RingPalladiumHeterocyclic Compounds with 4 or More RingsMolecular StructureHeterocyclic Compounds, 3-RingHeterocyclic Compounds, 1-RingPeptide Nucleic AcidsMagnetic Resonance SpectroscopyNucleic Acid ConformationNucleic Acid ProbesNucleic Acid Amplification TechniquesNucleic Acid HybridizationNucleic Acid DenaturationDNARNAOligonucleotidesBase Sequence