TABLE 1

Binding (k R→t) and debinding (k t→R) constants for verapamil and norverapmil to the tubing of the perfusion apparatus, obtained by fitting the perfusate data in the absence of a rat liver in sham-liver perfusion studies (Fig. 1)

DrugDebindingBinding
µM min−1 min−1
Verapamil (n = 3) Embedded Image Embedded Image
10.0206 ± 0.01610.0083 ± 0.0012
500.0400 ± 0.03820.0052 ± 0.0041
1000.0197 ± 0.01710.0032 ± 0.0023
Norverapamil (n = 3) Embedded Image Embedded Image
1.50.0156 ± 0.00130.0044 ± 0.0005
50.0047 ± 0.00630.0024 ± 0.0007