Table 2.

Values of ΔA _max and binding parameters in the Hill equation for interaction between Pt(II) and Pd(II) complexes and CT-DNA in 20 mmol/L Tris-HCl buffer and pH 7.0.

Compound	Temperature (K)	aΔA max	b g	c K × 104 (M)−1	d n	eError
[Pt(bpy)(Oct-dtc)]NO3	300	0.021	6	4.01	1.87	0.005
	310	0.028		1.10	1.36	0.007
[Pd(bpy)(Oct-dtc)]NO3	300	0.035	6	5.28	5.92	0.13
	310	0.058		5.86	6.18	0.14

^aChange in the absorbance when all the binding sites on CT-DNA were occupied by metal complex.

^bThe number of binding sites per 1000 nucleotides.

^cThe apparent binding constant.

^dThe Hill coefficient (as a criterion of cooperativity).

^eMaximum error between theoretical and experimental values of ν.