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CD spectra of 32R-3n (blue), 5q (red), 3q (yellow) and T11 (green) oligonucleotides at 50 and 500 μM oligonucleotide concentrations. Spectra were acquired at 25°C in an 80 mM KCl and 20 mM K phosphate buffer (pH 7) solution with optical paths of 0.1 mm (500 μM DNA) and 1.0 mm (50 μM DNA).
