Anthracene based base-discriminating fluorescent oligonucleotide probes for SNPs typing: Synthesis and photophysical properties

2- and 9-Anthracenecarboxamide labeled 2′-deoxyuridines were synthesized and their photophysical properties were examined. These oligonucleonucleotide probes are capable of detecting adenine base on a target DNA sequence. It was also found that 2-anthracene based oligonucleotide probe is more efficient than the corresponding 9-anthracene based oligonucleotide in the application for DNA chip based SNP detection, due to its longer emission wavelength and high fluorescence intensity.

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