Results 251 to 260 of about 12,795,735 (305)
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Ultraviolet-B Damages Corneal Endothelium
Optometry and Vision Science, 1984ABSTRACT Direct in vivo observation of acute ultraviolet (UV)‐induced corneal endothelial damage is not possible due to the more severe damage produced in the epithelium. In order to quantify damage and evaluate endothelial recovery an indirect method was used.
A P, Cullen +3 more
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An inexpensive sensor for ultraviolet-A and ultraviolet-B radiation
Measurement Science and Technology, 1991There is a need for a low-cost ultraviolet (UV) meter for use in a number of applications. The authors describe a novel way of improving the sensitivity of an inexpensive cadmium sulphide (CdS) photoconductor cell (ORP12) to UV-A and UV-B radiations by coating it with a thin film of poly(methyl methacrylate) containing two fluorophores, 2,5 ...
J A B Howie, G K Rowles, P Hawkins
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Cochrane Database of Systematic Reviews, 2011
The most commonly used types of phototherapy for treating psoriasis are narrow-band ultraviolet B (NB-UVB); broad-band ultraviolet B (BB-UVB), which includes selective (delivering radiation with a wavelength range of 305 to 325 nm) and conventional BB-UVB (280 to 320 nm); and psoralen ultraviolet A photochemotherapy (oral or bath PUVA).
Xiaomei, Chen +4 more
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The most commonly used types of phototherapy for treating psoriasis are narrow-band ultraviolet B (NB-UVB); broad-band ultraviolet B (BB-UVB), which includes selective (delivering radiation with a wavelength range of 305 to 325 nm) and conventional BB-UVB (280 to 320 nm); and psoralen ultraviolet A photochemotherapy (oral or bath PUVA).
Xiaomei, Chen +4 more
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High Sensitivity of Tubifex for Ultraviolet-B
Biochemical and Biophysical Research Communications, 1997Phytoplankton and zooplankton serve as major food material for primary and secondary consumers in the marine food web. Although phytoplankton are primary targets to UV radiation damaging effects, we have demonstrated that stratospheric ozone depletion will affect zooplankton to contribute to inhibition in biomass production.
A K, Soni, P C, Joshi
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Keratopathy after ultraviolet B phototherapy
Wiener klinische Wochenschrift, 2005Atopic dermatitis is the most common chronic inflammatory skin disease among children in industrialized countries. The prevalence is recorded to be up to 20% in children. Phototherapy with ultraviolet B (UVB) is an effective form of treatment with a low complication rate. Here we report on a patient with atopic dermatitis who underwent UVB treatment to
Peter, Komericki +3 more
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Ultraviolet-B Effects on Ocular Tissues
Biochemical and Biophysical Research Communications, 1995The enhancement of UVB on the surface of the earth due to stratospheric ozone depletion may increase the risk of photochemically induced cataract. In this study, changes in the content of certain biological parameters were used as a marker to study ocular toxicity.
V, Babu, R B, Misra, P C, Joshi
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Photochemoprevention of ultraviolet B signaling and photocarcinogenesis
Mutation Research - Fundamental and Molecular Mechanisms of Mutagenesis, 2005Exposure to solar radiation, particularly its ultraviolet (UV) B component, has a variety of harmful effects on human health. Some of these effects include sunburn cell formation, basal and squamous cell cancers, melanoma, cataracts, photoaging of the skin, and immune suppression. Amongst these various adverse effects of UV radiation, skin cancer is of
Farrukh, Afaq +2 more
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Experimental induction of freckles by ultraviolet-B
British Journal of Dermatology, 1982Freckles were induced experimentally by single exposures of lower back skin to ultraviolet radiation. The minimal freckling dose was between 6 and 10 times the minimal erythema dose. Repeated less intense exposures did not induce freckles. Freckles could be induced only in subjects with natural freckles on exposed skin.
P D, Wilson, A M, Kligman
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UV4Plants Bulletin, 2015
How were the terms ultraviolet-A, ultraviolet-B, and ultraviolet-C radiation (UV-A, UV-B, UV-C) conceived.
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How were the terms ultraviolet-A, ultraviolet-B, and ultraviolet-C radiation (UV-A, UV-B, UV-C) conceived.
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Perception and Signaling of Ultraviolet-B Radiation in Plants
Annual Review of Plant Biology, 2021Ultraviolet-B (UV-B) radiation is an intrinsic fraction of sunlight that plants perceive through the UVR8 photoreceptor. UVR8 is a homodimer in its ground state that monomerizes upon UV-B photon absorption via distinct tryptophan residues. Monomeric UVR8 competitively binds to the substrate binding site of COP1, thus inhibiting its E3 ubiquitin ligase
Podolec, Roman +2 more
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