Research Article
Evaluation of Chitosan Based Polymeric Matrices for Sustained Stomach Specific Delivery of Propranolol Hydrochloride
Table 2
In vitro floating characteristics of HBS formulations.
| Formulation code | Floating lag time (Seconds) | Duration of floating (hrs) |
| J1 | Nil | Up to 6 hrs | J2 | Nil | Up to 6 hrs | J3 | Nil | Up to 6 hrs | J4 | Nil | Up to 6 hrs | J5 | Nil | Up to 6 hrs | J6 | Nil | Up to 6 hrs | J7 | Nil | Sank after 5 hrs | J8 | Nil | Sank after 4 hrs | J9 | Nil | Sank after 4 hrs |
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