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Table 1 Values of SCLLs sizes and their polidispersity using photon correlation spectroscopy*

From: Stratum corneum lipids liposomes for the topical delivery of 5-aminolevulinic acid in photodynamic therapy of skin cancer: preparation and in vitro permeation study

Preparation

Mean size (nm)

P.I.**

SCLLs alone

500.0

0.570

SCLLs containig 5-ALA

400.1

0.570

   (drug:lipids, 1:3)

  
  1. * Scattering angle of the laser beam was 90°; temperature 25°C, viscosity 0.890 and refraction index 1.33. **Polidispersity index, meaning the measurement of the homogeneity of a dispersion, ranging from 0.0 (monodisperse) to 1.0 (very heterogeneous).
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BMC Dermatology

ISSN: 1471-5945

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