Table 1. Radioligand Binding Analysis of MIP-I and MIP-II.

			uptake of propranolol (%)
entry	silica colloids (nm)	solvent	MIP-I	MIP-II	boundMIP-I/boundMIP-II
1	10	toluene	1.53	1.28	1.20
2	10	acetonitrile	15.9	11.0	1.45
3	10	mixturea	16.1	7.24	2.22
4	10	mixtureb	16.0	2.05	7.80
5	10	water	24.9	1.94	12.8
6	150	water	19.5	2.08	9.37
7	220	water	11.8	1.32	8.93
8	330	water	8.10	1.28	6.32

^aAcetonitrile with 1% water.

^bAcetonitrile with 5% water.