Einfluss einmaliger UVA- und UVB-Bestrahlung auf Oberflachenbeschaffenheit und viskoelastische Eigenschaften der Haut in vivo

Juliane Habig; Elisabeth Vocks; Florian Kautzky; Michael Dahm; Siegfried Borelli

doi:10.1007/s001050050462

Einfluss einmaliger UVA- und UVB-Bestrahlung auf Oberflachenbeschaffenheit und viskoelastische Eigenschaften der Haut in vivo

Translated title of the contribution: Influence of single UVA and UVB irradiation on surface structure and viscoelastic properties of human skin in vivo

Juliane Habig, Elisabeth Vocks, Florian Kautzky, Michael Dahm, Siegfried Borelli

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

7 Scopus citations

Abstract

The present study was designed to evaluate the effects of single irradiation either with UVA (dosage: 50 J/cm ²) or UVB (dosage: 1MED) on surface structure and viscoelastic properties of human skin. Biophysical measurements by means of profilometry and cutometry were carried out on normally sun-protected skin areas directly before and 24 hours after irradiation. UVA induced neither measurable changes in skin surface structure (expressed by the profilometrically calculated parameters of roughness Ra and RzDIN and the parameter Wt reflecting depths of furrows) nor in its viscoelastic properties (expressed by the cutometrically calculated ratio Uv/Ue reflecting viscosity and the ratio Ur/Uf reflecting biological elasticity). However, a single erythemogenic dose of UVB radiation was followed by significant increase in the depths of furrows, increase in viscosity and decrease in biological elasticity.

Translated title of the contribution	Influence of single UVA and UVB irradiation on surface structure and viscoelastic properties of human skin in vivo
Original language	German
Pages (from-to)	515-520
Number of pages	6
Journal	Hautarzt
Volume	47
Issue number	7
DOIs	https://doi.org/10.1007/s001050050462
State	Published - Jul 1996

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title = "Einfluss einmaliger UVA- und UVB-Bestrahlung auf Oberflachenbeschaffenheit und viskoelastische Eigenschaften der Haut in vivo",

abstract = "The present study was designed to evaluate the effects of single irradiation either with UVA (dosage: 50 J/cm 2) or UVB (dosage: 1MED) on surface structure and viscoelastic properties of human skin. Biophysical measurements by means of profilometry and cutometry were carried out on normally sun-protected skin areas directly before and 24 hours after irradiation. UVA induced neither measurable changes in skin surface structure (expressed by the profilometrically calculated parameters of roughness Ra and RzDIN and the parameter Wt reflecting depths of furrows) nor in its viscoelastic properties (expressed by the cutometrically calculated ratio Uv/Ue reflecting viscosity and the ratio Ur/Uf reflecting biological elasticity). However, a single erythemogenic dose of UVB radiation was followed by significant increase in the depths of furrows, increase in viscosity and decrease in biological elasticity.",

keywords = "UV irradiation, cutometry, profilometry, skin surface structure, viscoelastic properties",

author = "Juliane Habig and Elisabeth Vocks and Florian Kautzky and Michael Dahm and Siegfried Borelli",

year = "1996",

month = jul,

doi = "10.1007/s001050050462",

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T1 - Einfluss einmaliger UVA- und UVB-Bestrahlung auf Oberflachenbeschaffenheit und viskoelastische Eigenschaften der Haut in vivo

AU - Habig, Juliane

AU - Vocks, Elisabeth

AU - Kautzky, Florian

AU - Dahm, Michael

AU - Borelli, Siegfried

PY - 1996/7

Y1 - 1996/7

N2 - The present study was designed to evaluate the effects of single irradiation either with UVA (dosage: 50 J/cm 2) or UVB (dosage: 1MED) on surface structure and viscoelastic properties of human skin. Biophysical measurements by means of profilometry and cutometry were carried out on normally sun-protected skin areas directly before and 24 hours after irradiation. UVA induced neither measurable changes in skin surface structure (expressed by the profilometrically calculated parameters of roughness Ra and RzDIN and the parameter Wt reflecting depths of furrows) nor in its viscoelastic properties (expressed by the cutometrically calculated ratio Uv/Ue reflecting viscosity and the ratio Ur/Uf reflecting biological elasticity). However, a single erythemogenic dose of UVB radiation was followed by significant increase in the depths of furrows, increase in viscosity and decrease in biological elasticity.

AB - The present study was designed to evaluate the effects of single irradiation either with UVA (dosage: 50 J/cm 2) or UVB (dosage: 1MED) on surface structure and viscoelastic properties of human skin. Biophysical measurements by means of profilometry and cutometry were carried out on normally sun-protected skin areas directly before and 24 hours after irradiation. UVA induced neither measurable changes in skin surface structure (expressed by the profilometrically calculated parameters of roughness Ra and RzDIN and the parameter Wt reflecting depths of furrows) nor in its viscoelastic properties (expressed by the cutometrically calculated ratio Uv/Ue reflecting viscosity and the ratio Ur/Uf reflecting biological elasticity). However, a single erythemogenic dose of UVB radiation was followed by significant increase in the depths of furrows, increase in viscosity and decrease in biological elasticity.

KW - UV irradiation

KW - cutometry

KW - profilometry

KW - skin surface structure

KW - viscoelastic properties

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Einfluss einmaliger UVA- und UVB-Bestrahlung auf Oberflachenbeschaffenheit und viskoelastische Eigenschaften der Haut in vivo

Abstract

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