Ex-vivo Skin Permeability Tests of Nanoparticles for Microscopy Imaging

Nethanel Friedman, Sharon Merims, Jhonatan Elia, Ofra Benny*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Delivery of drugs through the skin is a major challenge in the field of drug delivery systems. Quantification of materials, and specifically nanoparticles, within the skin layers is essential for the development of advanced topical and transdermal delivery systems. We have developed a technique for ex-vivo segmentation and evaluation of human skin samples treated with fluorescent nanoparticles. The method is based on horizontal cryosections of skin samples, followed by confocal microscopy and image analysis. This protocol is relatively simple to perform with basic histological tools, thus it can serve for various dermatology assays.

Original languageAmerican English
Article numbere4375
JournalBio-protocol
Volume12
Issue number7
DOIs
StatePublished - 5 Apr 2022

Bibliographical note

Publisher Copyright:
Copyright © 2022 The Authors.

Keywords

  • Confocal microscopy
  • Fluorescent nanoparticles
  • Horizontal cryosectioning
  • Nanoparticles penetration depth
  • Skin permeability

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