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Nucleic acids symposium series (2004)

Stability and mismatch discrimination of DNA duplexes containing 2,6-diaminopurine and 2-thiothymidine locked nucleic acid bases.


PMID 18776345

Abstract

Hybridization thermodynamics measured by differential scanning calorimetry (DSC) and UV spectroscopy (UVM) are reported for 8- and 14-mer oligonucleotides containing two new LNA bases: 2,6 diaminopurine (D) and 2-thiothymidine (2sT). Oligonucleotides containing D or 2sT bases are shown to have enhanced stability and improved discrimination for several of the possible mismatched base pairs.

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247847
2,6-Diaminopurine, 98%
C5H6N6