Table 6.

Pearson correlation coefficients (r) of K_f and K_d with PUH molecular descriptors

	log Kow	Mw	α	S	log S	log α
log Kow	1.0
Mw	0.9a	1.0
α	0.8	0.5	1.0
S	− 0.9a	− 0.6	− 0.9	1.0
log S	− 0.9a	− 0.6	− 0.9	1.0	1.0
log α	0.8	0.5	1.0	− 0.9	− 0.9	1.0
Kf mean	0.8	1.0a	0.2	− 0.4	− 0.4	0.2
Kd mean	0.8	1.0b	0.2	− 0.4	− 0.4	0.2
Kf min	0.7	0.9a	0.2	− 0.4	− 0.4	0.2
Kf max	0.8	0.9a	0.2	− 0.4	− 0.4	0.2
Kd min	0.8	1.0b	0.2	− 0.4	− 0.5	0.3
Kd max	0.7	0.9a	0.2	− 0.4	− 0.5	0.2

Lowercase letters a, b and c indicate significance at p < 0.05, p < 0.01 and p < 0.001, respectively

min minimum, max maximum