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Protection from visible light by commonly used textiles is not predicted by ultraviolet protection
Caroline Van den Keybus, MD, Jan Laperre, PhD, Rik Roelandts, MD, PhD Journal of the American Academy of Dermatology Volume 54, Issue 1, Pages (January 2006) DOI: /j.jaad Copyright © 2005 American Academy of Dermatology, Inc. Terms and Conditions
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Fig 1 Cover factor as a function of ratio of yarn thickness and length of repeat for a simple material. Journal of the American Academy of Dermatology , 86-93DOI: ( /j.jaad ) Copyright © 2005 American Academy of Dermatology, Inc. Terms and Conditions
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Fig 2 Influence of color on VPF in materials with same structure (50% cotton and 50% modal) and density. Sample 24 is white, sample 25 is blue, and sample 26 is yellow (see Table I). Journal of the American Academy of Dermatology , 86-93DOI: ( /j.jaad ) Copyright © 2005 American Academy of Dermatology, Inc. Terms and Conditions
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Fig 3 Transmission spectra for polyester fabric dyed in different grades of green. All materials are 100% polyester and weigh 57g/m2. They are woven materials with 48 threads/cm in the warp (direction of production of a woven textile material) and 28 threads/cm in the weft (direction perpendicular to production direction of a woven textile material). UPF of these fabrics is 14.8 for the pastel green sample (No. 35), 20.6 for the light green sample (No. 36), and 24.0 for the dark green sample (No. 37) (see Table I). Journal of the American Academy of Dermatology , 86-93DOI: ( /j.jaad ) Copyright © 2005 American Academy of Dermatology, Inc. Terms and Conditions
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Fig 4 Increase in UPF and VPF of flax at 400 nm as a function of density. Journal of the American Academy of Dermatology , 86-93DOI: ( /j.jaad ) Copyright © 2005 American Academy of Dermatology, Inc. Terms and Conditions
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Fig 5 Increase of UPF and VPF of acrylic fabric at 400 nm as a function of density. Journal of the American Academy of Dermatology , 86-93DOI: ( /j.jaad ) Copyright © 2005 American Academy of Dermatology, Inc. Terms and Conditions
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