Table 3. Comparative thermodynamic enthalpies of calorimetric and optical measurements for three dsDNAsa.
DNA sequence | –ΔHDSC (kcal/mol) | –ΔHTa (kcal/mol) | –ΔHvH (kcal/mol) |
---|---|---|---|
S1S2 | 65.1 ± 0.8 | 64.5 ± 0.8 | 64.4 ± 1.6 |
S3S4 | 111.1 ± 1.3 | 105.0 ± 1.2 | 105.9 ± 2.9 |
S5S6 | 157.2 ± 4.0 | 144.5 ± 3.7 | 144.8 ± 3.0 |
aAll experiments were carried out in a buffer solution containing 1 M NaCl/10 mM Na2HPO4 /1 mM Na2EDTA (pH 7.0).
bΔHT was calculated by equation 16.