Polymers in Controlled Drug Delivery | mddionline.com
There are three primary mechanisms by which active agents can be released from a delivery system: diffusion, degradation, and swelling followed by diffusion.
Swelling Controlled Drug Delivery System : Useful Links
Alternatively, the term “swelling-controlled drug delivery system” can be defined in a broader sense to include devices in which a swelling step is ...
Genipin-modified gelatin nanocarriers as swelling controlled drug delivery system for in vitro release of cytarabine. Mater Sci Eng C Mater Biol ...
Controlled release drug delivery systems from hydrogels: Progesterone release from monolithic, reservoir, combined reservoir monolithic and monolithic devices ...
It can be measured by the difference between the drug released and the initial amount of drug in the tablet or by a more direct measure. According to this method, ...
(1981) and d Ritzer and Pep- pas (1987). * values for a cylinder. Use of synthetic swellable polymers in drug delivery. The application of hydrogels in drug delivery .
Another example is the cross-linked gelatin that has the ability to act as a swelling-controlled drug release system such as in gelatin B emulsion ...
Controlled release drug delivery may take advantage of tailor-made swelling kinetics, which can be provided by different means including a change in cross- link ...
2008). HPMC matrix systems are classed as swelling controlled systems and are controlled by the rate ...
When glassy hydrophilic polymeric systems are placed in an aqueous solution including body fluids, water diffuses into the system. The water ...