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Sunlight-induced radiation recall.
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Sunlight-induced acquired hypomelanosis and amelanosis implication of the ultra-violet radiation-induced oxidative damage.
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Melanoma. Carcinoma of the skin and sunlight.
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Can sunlight exposure affect early breastfeeding cessation?
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Solar disinfection of poliovirus and Acanthamoeba polyphaga cysts in water - a laboratory study using simulated sunlight.
AIMS: To determine the efficacy of solar disinfection (SODIS) in disinfecting water contaminated with poliovirus and Acanthamoeba polyphaga cysts. METHODS AND RESULTS: Organisms were subjected to a simulated global solar irradiance of 850 Wm(-2) in water temperatures between 25 and 55 degrees C. SODIS at 25 degrees C totally inactivated poliovirus after 6-h exposure (reduction of 4.4 log units). No SODIS-induced reduction in A. polyphaga cyst viability was observed for sample temperatures below 45 degrees C. Total cyst inactivation was only observed after 6-h SODIS exposure at 50 degrees C (3.6 log unit reduction) and after 4 h at 55 degrees C (3.3 log unit reduction). CONCLUSIONS: SODIS is an effective means of disinfecting water contaminated with poliovirus and A. polyphaga cysts, provided water temperatures of 50-55 degrees C are attained in the latter case. SIGNIFICANCE AND IMPACT OF THE STUDY: This research presents the first SODIS inactivation curve for poliovirus and provides further evidence that batch SODIS provides effective protection against waterborne protozoan cysts.
Calcium metabolism in healthy men deprived of sunlight.
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Inhibition by sunlight of the growth of Escherichia coli B/r.
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"Sunlight" -induced mammalian cell killing: a comparative study of ultraviolet and near-ultraviolet inactivation.
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DNA single-strand lesions due to 'sunlight' and UV light: a comparison of their induction in Chinese hamster and human cells, and their fate in Chinese hamster cells.
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Photodynamic cytotoxicity of mammalian cells exposed to sunlight-simulating near ultraviolet light in the presence of the carcinogen 7,12-dimethylbenz(a)anthracene.
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Enhanced killing of Chinese hamster cells following combined exposure to 'sunlight' and x-rays.
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DNA damage and repair in human cells exposed to sunlight.
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Toxicity, DNA damage and inhibition of DNA repair synthesis in human melanoma cells by concentrated sunlight.
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Sunlight-induced killing of nondividing human cells in culture.
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Xeroderma pigmentosum fibroblasts including cells from XP variants are abnormally sensitive to the mutagenic and cytotoxic action of broad spectrum simulated sunlight.
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The rate of removal of sunlight-induced pyrimidine dimers from the DNA of cultured human diploid fibroblasts.
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The ocular dose of ultraviolet radiation from sunlight exposure.
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