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Table 2 The kinetic parameters of the binding interactions between the studied analytes and the ssDNA at different [K+]

From: Assessment of binding interaction to salmon sperm DNA of two antiviral agents and ecofriendly nanoparticles: comprehensive spectroscopic study

[K+]

Kb (M−1)

Kto

% H

ΔGo

ΔGope

ΔGot

Kto/Kb (%)

ΔGot/ΔGo (%)

DAC

 0.1000

3.1253 × 104

2.2671 × 104

3.28

− 25.64

− 5.00

− 20.65

72.54

80.53

 0.0125

6.3522 × 104

2.2498 × 104

4.37

− 27.40

− 5.34

− 22.10

35.42

80.65

 0.0025

6.912 × 104

2.2434 × 104

10.93

− 27.61

− 5.38

− 22.23

32.45

80.52

 0.00125

7.55 × 104

2.2416 × 104

11.67

− 27.83

− 5.42

− 22.41

29.70

80.52

VAL

 0.1000

3.2497 × 104

5.958 × 103

31.50

− 25.74

− 4.47

− 21.27

18.33

82.63

 0.025

2.1224 × 105

5.831 × 103

12.55

− 28.55

− 4.96

− 23.40

2.74

81.96

 0.0125

2.0634 × 105

5.907 × 103

20.01

− 30.40

− 5.27

− 25.11

2.86

82.60

 0.00125

1.843 × 106

5.811 × 103

7.30

− 24.38

− 4.23

− 20.15

0.31

82.65

OQDs

 0.025

6.50 × 103

98.74

12.30

− 21.75

− 0.50

− 22.24

1.52

102.25

 0.0125

8.74 × 103

97.61

41.70

− 22.48

− 0.51

− 22.99

1.12

102.27

 0.0025

2.626 × 104

95.95

5.83

− 25.21

− 0.57

− 25.78

0.36

102.26

 0.00125

1.09858 × 105

95.51

4.11

− 28.75

− 0.65

− 29.41

0.087

102.29