Dexamethasone-Loaded Chitosan Beads Coated with a pH-Dependent Interpolymer Complex for Colon-Specific Drug Delivery

Table 1

Degree of linkage () and stability constants () of PAA-PEG and PAA-PVP complexes at 30°C.

			(L mol^-1)
PEG-1.2	1.2	0.34	0.155
PEG-2	2.0	0.43	0.256
PEG-4	4.0	0.47	0.345
PEG-6	6.0	0.54	0.520
PEG-35	35.0	0.62	0.858
PVP-29	29.0	0.97	233.500
PVP-360	360.0	0.98	492.400