Table 2.

Risedronate release proportion with and without hydrogel carrier.

Duration (hour)	Release Proportion (mean percentage ± SD)
	Pure-250	Pure-500	Bis-CR250	Bis-CR500
0	0.199 ± 0.007	0.399 ± 0.014	No release	No release
1	0.199 ± 0.006	0.397 ± 0.006	0.157 ± 0.012	0.223 ± 0.011
3	0.070 ± 0.001	0.161 ± 0.053	0.094 ± 0.003	0.115 ± 0.005
6	0.024 ± 0.001	0.047 ± 0.002	0.052 ± 0.002	0.058 ± 0.004
24	0.006 ± 0.001	0.015 ± 0.001	0.234 ± 0.022	0.205 ± 0.013

*All experimental groups were done in triplicate.