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UV-B treatments for skin conditions such as psoriasis, vitiligo, and atopic dermatitis are administered in very low doses, often lasting only a few minutes or less than a minute when using lamps emitting 290-300 nanometer light. This low dosage does not significantly increase the risk of skin cancer, making UV-B phototherapy a safe treatment ...
UV disinfection does not remove dissolved organics, inorganic compounds or particles in the water. [102] The world's largest water disinfection plant treats drinking water for New York City . The Catskill-Delaware Water Ultraviolet Disinfection Facility , commissioned on 8 October 2013, incorporates a total of 56 energy-efficient UV reactors ...
Ultraviolet light therapy or ultraviolet phototherapy is a treatment for psoriasis, atopic skin disorder, vitiligo and other skin diseases.. There are two main treatments: UVB that is the most common, and PUVA.
A second type of lamp produces ultraviolet but does not have the filter material, so it produces more visible light and has a blue color when operating. [2] [3] [4] These tubes are made for use in "bug zapper" insect traps, and are identified by the industry designation "BL". [4] [5] This stands for "blacklight".
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Many practical applications, including chemical and biological effects, are derived from the way that UV radiation can interact with organic molecules. These interactions can involve absorption or adjusting energy states in molecules, but do not necessarily involve heating. [citation needed] Short-wave ultraviolet light is ionizing radiation.
When does the college football transfer portal open? The winter NCAA transfer portal will officially open on Monday, Dec. 9 and will close on Saturday, Dec. 28 for the 2024-25 school year.
Light therapy, also called phototherapy or bright light therapy is the exposure to direct sunlight or artificial light at controlled wavelengths in order to treat a variety of medical disorders, including seasonal affective disorder (SAD), circadian rhythm sleep-wake disorders, cancers, and skin wound infections.