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Related Experiment Video

Updated: Jun 4, 2026

Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging
11:07

Visualizing and Quantifying Pharmaceutical Compounds within Skin using Coherent Raman Scattering Imaging

Published on: November 24, 2021

Progress and challenges in quantifying skin permeability to nanoparticles using a quantum dot model.

Luke J Mortensen1, Supriya Ravichandran, Hong Zheng

  • 1Department of Biomedical Engineering, University of Rochester, Rochester, NY 14642, USA.

Journal of Biomedical Nanotechnology
|February 19, 2011
PubMed
Summary
This summary is machine-generated.

Assessing nanoparticle skin penetration risk requires careful consideration of time, skin models, and nanoparticle characteristics. Addressing these factors is crucial for accurate risk assessment in research and consumer applications.

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Area of Science:

  • Nanotechnology
  • Dermatology
  • Toxicology

Background:

  • Increasing research and consumer use of nanoparticles raises concerns about human skin contact.
  • Evaluating nanoparticle skin penetration risk is complex due to various influencing factors.

Purpose of the Study:

  • To identify and discuss key factors and potential pitfalls in assessing nanoparticle skin penetration.
  • To highlight the importance of experimental design in nanoparticle safety evaluations.

Main Methods:

  • Review of factors influencing nanoparticle skin penetration, including time course of skin barrier impairment.
  • Analysis of different skin models (animal, ex vivo, in vivo) and their relevance.
  • Emphasis on nanoparticle characterization and stability (using quantum dots as an example).
  • Discussion of challenges in evaluation techniques for skin penetration.

Main Results:

  • Skin barrier impairment can have immediate or delayed responses over time.
  • The choice of skin model significantly impacts the ability to extrapolate findings to human skin.
  • Nanoparticle characterization and stability are critical for reliable penetration assessments.
  • Evaluation techniques present specific challenges that need careful management.

Conclusions:

  • Accurate assessment of nanoparticle skin penetration requires meticulous attention to experimental variables.
  • Understanding the interplay between nanoparticles, skin barrier status, and evaluation methods is key.
  • Proper consideration of these factors can overcome challenges in determining nanoparticle skin penetration effects.