Transdermal drug delivery by iontophoresis
Recently there has been an increased interest in using iontophoretic technique for the transdermal drug delivery of medications, both ionic and non ionic this article is an over view of the history of iontophoresis and factors affecting iontophoretic drug transfer for the systemic effects and laws for development of transdermal delivery system are discussed. Iontophoresis is the method where the movements of ions across a membrane enhanced using an externally applied potential difference. When the membrane under consideration is skin, the method is called “transdermal iontophoresis ”
Key words: Iontophoresis, potential difference, transdermal delivery.
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