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Effects of ultraviolet radiation as a climate variable on the geographic distribution of <i>Oryza sativa</i> under climate change based on Biomod2. [PDF]
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Ultraviolet radiation and immunosuppression
British Journal of Dermatology, 2009Ultraviolet (UV) radiation is a complete carcinogen. The effects of UV radiation are mediated via direct damage to cellular DNA in the skin and suppression of image surveillance mechanisms. In the context of organ transplantation, addiction of drugs which suppress the immune system add greatly to the carcinogenicity of UV radiation.
G M Murphy
exaly +3 more sources
A Standard for Ultraviolet Radiation
Applied Optics, 1973Photoemission diode standards for accurately measuring monochromatic ultraviolet light intensity (3000 A-11OO A) are described that are also blind to visible ligh (lambda> 3600 A). The standard uses an opaque photocathode of Cs(2)Te and is unique because of its combination of thinness (19 mm), high sensitivity (Q.E.
G B, Fisher +4 more
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Effects of Ultraviolet Radiation
Medical Clinics of North America, 1990Ultraviolet radiation from high-intensity sources has well-known acute effects on the eye and skin, consisting primarily of photokeratoconjunctivitis and sunburn, which are enhanced in the presence of photosensitizing agents. Long-term elevated exposure to low-level ultraviolet radiation is also responsible for an increased risk of squamous- and basal ...
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Melanoma and ultraviolet radiation
Clinics in Dermatology, 1992Abstract External ultraviolet radiation (UVR) is the major causative factor for human cutaneous melanoma. In this article the evidence supporting this statement and some of the implications are discussed.
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Ultraviolet Radiation and Melanoma
Seminars in Cutaneous Medicine and Surgery, 2011Melanoma is a particularly aggressive type of skin cancer, and its incidence has been increasing steadily since the 1970s. This article will review the extensive epidemiologic data demonstrating that ultraviolet radiation (UVR) exposure, from the sun or artificial tanning beds, is the most important environmental risk factor for melanoma; the multiple ...
Holly E, Kanavy, Meg R, Gerstenblith
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Ultraviolet Radiation and Pterygium
JAMA: The Journal of the American Medical Association, 1982To the Editor.— Joseph F. Novak, MD, has concluded that work-related ultraviolet radiation exposure is unlikely to be a direct cause of recurrent pterygium in a welder (1981;246:1019). His observation that pterygia do not occur more frequently in welders than in other groups is compatible with the findings of Emmett et al.
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Effects of Ultraviolet Radiation
Annual Review of Physiology, 1946Interest in obtaining a better understanding of biological effects of ultraviolet radiation has been stimulated to a great extent dur ing the last few years by the wide application that ultraviolet has found as a therapeutic agent (1) in genetics (120), in the study of the fundamental structure of living cells (23), and in its wide use in aerobiology (
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CORNEA AND ULTRAVIOLET RADIATION
Acta Ophthalmologica, 1980The absorption of ultraviolet radiation in the cornea of rabbit, cat, guinea pig, and rat has been studied. It turned out that about 80% of incident radiation is absorbed at the 290 nm wavelength limit in rabbit and cat, whereas the absorption is considerably lower in guinea pig and rat.
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Contact Dermatitis, 1980
At 51 departments where work is being done in ultraviolet radiation for sterilization purpose (sterilamps). the light intensity was measured at 254 nm and at 300–400nm. A limit of 0.25 μW/cm2 at 254 nm has been set. In several of the workplaces this limit was exceeded without any decrease in the number of colony forming units, according to the 940 ...
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At 51 departments where work is being done in ultraviolet radiation for sterilization purpose (sterilamps). the light intensity was measured at 254 nm and at 300–400nm. A limit of 0.25 μW/cm2 at 254 nm has been set. In several of the workplaces this limit was exceeded without any decrease in the number of colony forming units, according to the 940 ...
openaire +2 more sources