Table IV.

Ex Vivo Mucoadhesive Characteristics of Atenolol Buccal Patches

Formulations	Mucoadhesive strengtha (g)	Force of adhesiona (N)	Bond strengtha (N m−2)
F 1	25.33 ± 0.67	0.25 ± 0.01	138.05 ± 4.37
F 2	25.68 ± 0.75	0.25 ± 0.01	139.96 ± 4.22
F 3	26.09 ± 1.00	0.26 ± 0.01	142.19 ± 5.34
F 4	28.98 ± 1.29	0.28 ± 0.01	157.94 ± 4.32
F 5	29.27 ± 1.00	0.29 ± 0.01	159.52 ± 4.44
F 6	30.88 ± 1.21	0.30 ± 0.02	168.30 ± 4.78
F 7	26.56 ± 1.12	0.26 ± 0.01	144.75 ± 5.22
F 8	32.45 ± 1.11	0.32 ± 0.01	176.85 ± 5.11
F 9	29.89 ± 1.15	0.29 ± 0.01	162.90 ± 4.56
F 10	20.00 ± 2.62	0.20 ± 0.02	109.00 ± 6.85
F 11	20.12 ± 1.25	0.20 ± 0.01	109.65 ± 4.47
F 12	24.88 ± 1.19	0.24 ± 0.01	135.60 ± 4.62
F 13	23.06 ± 1.35	0.23 ± 0.02	125.68 ± 2.16
F 14	22.11 ± 1.09	0.22 ± 0.01	120.50 ± 3.34

^aAll values are mean ± SD, n = 3.