Transdermal permeation of neutral molecules by skin electroporation

J Control Release. 1998 Aug 14;54(3):243-50. doi: 10.1016/s0168-3659(97)00146-6.

Abstract

Electroporation of skin has recently been shown to enhance transport of charged molecules across skin by up to four orders of magnitude. This study demonstrates that high-voltage pulses can also increase transdermal permeation of two neutral model solutes, i.e. mannitol and water, up to 100-fold. The elevated flux results from the persistent increase in skin permeability following electroporation, rather than from electro-osmosis during pulsing. Control on transport was achieved by controlling the electrical parameters of the pulse, i.e. the pulse voltage, time constant and number.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Animals
  • Diffusion
  • Electroporation*
  • In Vitro Techniques
  • Mannitol / pharmacokinetics
  • Models, Biological
  • Osmosis
  • Rats
  • Skin Absorption / physiology*
  • Transcutaneous Electric Nerve Stimulation*

Substances

  • Mannitol