Table 2. Adsorption affinity (K _d, L/Kg) of the species onto CDPs.

	β-CDP	RMCDP	HPCDP	γ-CDP	β-HP-CDPb	β-γ-CDPb	γ-HP-CDPb
OTCH2 +	-a	-	-	-	-	-	1063
OTCH±	58	246	629	111	620	141	922
OTC−	27	67	178	63	137	170	342
OTC2−	-	-	-	-	-	-	-

^a approximately zero.

^b The composite polymer was synthesized with an equimolar mixture of two CDs as double complexes.