Friction, capacitance and transepidermal water loss (TEWL) in dry atopic and normal skin

Friction, capacitance and transepidermal water loss (TEWL) in dry atopic and normal skin Summary The biophysical properties of non‐eczematous skin at three locations in atopics and non‐atopics were characterized using non‐invasive physical methods. Skin friction was measured with a newly developed sliding friction instrument, the degree of hydration with a capacitance meter (Corneometer CM 820), and the transepidermal water loss (TEWL) was determined using an Evaporimeter EP1. The areas examined (dorsum of the hand, volar forearm and lower back) showed lower values of friction and capacitance in the atopic patients than did corresponding sites in the normal controls. In most areas a significant correlation between friction and capacitance was found. The TEWL was increased in atopic skin, but TEWL seems to correlate neither to friction nor to capacitance. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png British Journal of Dermatology Wiley

Friction, capacitance and transepidermal water loss (TEWL) in dry atopic and normal skin

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Publisher
Wiley
Copyright
Copyright © 1992 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0007-0963
eISSN
1365-2133
DOI
10.1111/j.1365-2133.1992.tb07810.x
Publisher site
See Article on Publisher Site

Abstract

Summary The biophysical properties of non‐eczematous skin at three locations in atopics and non‐atopics were characterized using non‐invasive physical methods. Skin friction was measured with a newly developed sliding friction instrument, the degree of hydration with a capacitance meter (Corneometer CM 820), and the transepidermal water loss (TEWL) was determined using an Evaporimeter EP1. The areas examined (dorsum of the hand, volar forearm and lower back) showed lower values of friction and capacitance in the atopic patients than did corresponding sites in the normal controls. In most areas a significant correlation between friction and capacitance was found. The TEWL was increased in atopic skin, but TEWL seems to correlate neither to friction nor to capacitance.

Journal

British Journal of DermatologyWiley

Published: Feb 1, 1992

References

  • Frictional properties of human skin: relation to age, sex and anatomical region, stratum corneum hydration and transepidermal water loss
    Cua, Cua; Wilhelm, Wilhelm; Maibach, Maibach
  • The skin and friction: deviations from Amonton's laws, and the effects of hydration and lubrication
    Comaish, Comaish; Bottoms, Bottoms
  • Evaluation of a new device for measuring oral mucosal surface friction
    Henricsson, Henricsson; Svensson, Svensson; Olsson, Olsson; Axéll, Axéll

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