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Molecular Spring Constant Analysis by Biomembrane Force Probe Spectroscopy
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A miniaturized device for biomembrane permeation analysis.

Dawei Ding1, Jing Pan2, Shih Hui Yeo3

  • 1College of Pharmaceutical Sciences, Soochow University, 199 Ren'ai Road, Suzhou 215123, China.

Materials Science & Engineering. C, Materials for Biological Applications
|July 28, 2019
PubMed
Summary
This summary is machine-generated.

Miniaturized multichannel devices (MCDs) offer a 3D-printed alternative for transdermal drug delivery studies. These devices significantly reduce the need for scarce skin and drug samples while maintaining comparable permeation profiles to traditional diffusion cells.

Keywords:
3D printingDiffusion cellFinite element methodMembraneTransdermal drug delivery

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Area of Science:

  • Biomedical Engineering
  • Pharmaceutics
  • Materials Science

Background:

  • Transdermal drug delivery is a key alternative to oral and injection routes.
  • In vitro skin permeation studies using diffusion cells are crucial for predicting in vivo drug delivery.
  • Conventional diffusion cells require substantial skin and drug samples, posing limitations due to scarcity.

Purpose of the Study:

  • To develop and evaluate miniaturized multichannel devices (MCDs) fabricated via 3D printing.
  • To reduce the sample requirements (skin and drug) in in vitro transdermal permeation studies.
  • To compare the performance of MCDs with traditional diffusion cells.

Main Methods:

  • Fabrication of miniaturized multichannel devices (MCDs) using 3D printing technology.
  • In vitro skin permeation studies comparing MCDs with conventional static diffusion cells.
  • Finite element method (FEM) based simulations to analyze fluid dynamics within the MCDs.

Main Results:

  • MCDs demonstrated comparable drug permeation profiles to conventional diffusion cells.
  • 3D-printed MCDs significantly minimize the consumption of skin and drug samples.
  • FEM simulations revealed efficient ingredient carry-off and identified key parameters influencing flow velocity.

Conclusions:

  • Miniaturized multichannel devices are a viable and resource-efficient alternative to Franz cells for in vitro permeation studies.
  • These devices facilitate transdermal drug delivery research by conserving valuable biological and chemical resources.
  • The study highlights the potential of 3D printing for developing advanced drug delivery research tools.