Psyllium: a promising polymer for sustained release formulations in combination with HPMC polymers

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Psyllium: a promising polymer for sustained release formulations in combination with HPMC polymers.

Psyllium has a mucilaginous property that makes it a good candidate to be utilized as an excipient in the preparation of controlled release systems. Various formulations were prepared using theophylline as a model drug and investigated with a view to achieve an ideal slow drug release profile. The addition of hydroxypropyl methylcellulose (HPMC) to psyllium significantly reduced the burst relea...

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Hydrophilic Natural Polymers for Sustained-controlled Release of Calcium Hydroxide

Calcium Hydroxide (CH) is commonly employed as intracanal medicament in endodontics. In order to maximize its therapeutic effects, it is essential to develop new approaches for preparing the controlled drug release systems which, in turn, facilities the dissociation of CH into calcium and hydroxyl ions. This work studies the sustained-controlled release of calcium ions and the effect of pH chan...

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ژورنال

عنوان ژورنال: Pharmaceutical Development and Technology

سال: 2013

ISSN: 1083-7450,1097-9867

DOI: 10.3109/10837450.2013.775156