Liposome becomes more familiar in scientific field and medical applications. In the molecular biology liposome is used to transfer genetic materials. Moreover, it should be an interesting subject to study drug transfer throughout biological membrane in the cellular biology. It will also be possible to extent the application on the preparation of dosage forms. The aim of the study is to investig…
Controlled release dosage form is a dosage form with releases its contents in a controlled manner. Hydroxypropyl methylcellulose (HPMC) is a cellulose derivative which could from gel and substance may be used as matrix for a controlled release matrix dosage form. In this study, theophylline was used since this drug is suitable for controlled release dosage form and HPMC used was HPMC high visco…