Asymmetric membrane capsule

The asymmetric membrane capsule is an example of a single core osmotic delivery system, consisting of a drug-containing core surrounded by an asymmetric membrane made with a non disintegrating polymer (cellulose acetate, ethylcellulose etc.)[1]

References

  1. ↑ http://www.aapspharmscitech.org/view.asp?art=pt070356
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