PMID: 9542759Jun 6, 1998Paper

Laboratory testing of UV transmission through fabrics may underestimate protection

Photodermatology, Photoimmunology & Photomedicine
J Ravishankar, B L Diffey

Abstract

Laboratory testing of the ultraviolet protection factor (UPF) provided by fabrics normally utilizes a collimated source of UV radiation and either a broadband sensor or spectroradiometer to detect the radiation, both unattenuated and after passing through the fabric sample held in a flat tensionless state. We report the results of an in vivo study of UV transmission through various T-shirts at several sites on the trunk and arms of a life-size mannequin irradiated with diffuse radiation and using UV sensitive polymer films as the sensor. We found a variation in UPF by a factor of two or more at different anatomical sites for a given T-shirt, with lower UPFs seen at sites where the fabric is stretched; and found that at every site and for each T-shirt this in vivo UPF was higher than the conventional in vitro UPF determined using collimated radiation.

References

Nov 1, 1981·Clinical and Experimental Dermatology·C Welsh, B Diffey
Aug 1, 1994·Health Physics·H P GiesW Zongli
Jun 6, 1998·Photodermatology, Photoimmunology & Photomedicine·R Stokes, B Diffey

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Citations

Apr 12, 2001·Clinical and Experimental Dermatology·D M MacGregor, M I White
Apr 6, 2000·Current Opinion in Oncology·M A Weinstock
Nov 30, 1999·Photodermatology, Photoimmunology & Photomedicine·M G KimlinL R Meldrum
Sep 25, 2008·Photochemistry and Photobiology·Daniele GrifoniFrancesco Sabatini
Aug 13, 2014·Journal of Photochemistry and Photobiology. B, Biology·Piotr S SobolewskiJoanna Narbutt
Oct 16, 2013·Antioxidants & Redox Signaling·Rachel E B WatsonMichael J Sherratt
Nov 26, 2010·Photodermatology, Photoimmunology & Photomedicine·Abhijit MajumdarAchintya Kumar Mondal
Mar 14, 2012·Photodermatology, Photoimmunology & Photomedicine·Abhijit MajumdarPiyali Hatua
Nov 8, 2007·Photodermatology, Photoimmunology & Photomedicine·Peter Gies
Jan 31, 2006·Journal of the European Academy of Dermatology and Venereology : JEADV·T GambichlerK Hoffmann
Apr 26, 2003·Photodermatology, Photoimmunology & Photomedicine·Jan Laperre, T Gambichler
Dec 22, 1999·Seminars in Cutaneous Medicine and Surgery·C F Rosen
Sep 5, 2002·Photodermatology, Photoimmunology & Photomedicine·Thilo GambichlerK Hoffmann
Jul 30, 2021·Journal of Cutaneous Medicine and Surgery·Valerie C DoyonVincent Richer

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