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The blue light spectrum is an essential part of the visible spectrum with wavelengths of about 400-480 nm. [1] Blue light is primarily generated by Light-Emitting Diodes (LED) lighting and digital screens, it has now become prevalent in the world around us. [2] LED lighting creates white light by combining blue light with other wavelengths ...
Blue light, a type of high-energy light, is part of the visible light spectrum. High-energy visible light (HEV light) is short-wave light in the violet/blue band from 400 to 450 nm in the visible spectrum, which has a number of purported negative biological effects, namely on circadian rhythm and retinal health (blue-light hazard), which can lead to age-related macular degeneration.
Photolyases ( EC 4.1.99.3) are DNA repair enzymes that repair damage caused by exposure to ultraviolet light. These enzymes require visible light (from the violet/blue end of the spectrum) both for their own activation [ 1] and for the actual DNA repair. [ 2] The DNA repair mechanism involving photolyases is called photoreactivation.
To fight off blue light damage while you sit in front of your computer, she suggests looking for products that contain antioxidants like pomegranate, algae, glutathione, niacinamide, and coenzyme Q10.
Blue light therapy is a non-invasive treatment that uses blue wavelength range. With this type of therapy, there is no recovery time and it’s typically used for people with moderate to severe ...
Reverse bias: Although the LED is based on a diode junction and is nominally a rectifier, the reverse-breakdown mode for some types can occur at very low voltages and essentially any excess reverse bias can cause immediate degradation, and may lead to vastly accelerated failure. 5 V is a typical maximum reverse bias voltage specification for ...
Pernicious anemia is a disease where not enough red blood cells are produced due to a deficiency of vitamin B 12. [ 5] Those affected often have a gradual onset. [ 5] The most common initial symptoms are feeling tired and weak. [ 4]
Screen burn-in. Burn-in on a monitor, when severe as in this "please wait" message, is visible even when the monitor is switched off. Screen burn-in, image burn-in, ghost image, or shadow image, is a permanent discoloration of areas on an electronic visual display such as a cathode-ray tube (CRT) in an older computer monitor or television set.
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