Sentences with phrase «forms of ultraviolet light»

A: Sun exposure (or other forms of ultraviolet light) is one of the best treatments for psoriasis.

In some, as much as 10 per cent of the excitation energy in the form of ultraviolet light is re-emitted as visible light.

Not exact matches

Baby is tucked in snugly, the light is then wrapped around them in a form of a blanket, and the ultraviolet rays then breaks down the bilirubin so it can be passed through their body more easily.

Most jaundice needs no treatment, but when it does, phototherapy (light therapy) is considered very safe and effective: Placing a baby naked in a bassinet, with his eyes covered, under blue «bililights» often does the trick, because ultraviolet light changes the bilirubin to a form that the baby can more easily dispose of in his urine.

It floods the nebula with ultraviolet light and blows out a mighty solar wind that's compressing the gas around it, forming the bubble shape of the overall cloud.

Shedding light on the Dark Ages When the first stars formed, their intense ultraviolet light «reionized» the universe, stripping electrons from much of the hydrogen.

The Methods: Photochemical modeling by a Caltech team indicates that ethane, a hydrocarbon detected on Titan by both of the Voyager spacecraft and the European Infrared Space Observatory, is created when solar ultraviolet light breaks down methane, a minor component of Titan's nitrogen - rich atmosphere, into a stew of organic molecules that form a dense orange - brown smog.

HCO molecules are thought to be formed in special environments full of intense ultraviolet light from giant young stars.

The team then exposed this newly formed ice to ultraviolet radiation to mimic the light of a young star.

Based on the pioneering work of Dr. Claire Lugassy and Dr. Raymond Barnhill at UCLA's Jonsson Comprehensive Cancer Center, a new study provides additional support for a process by which melanoma cells, a deadly form of skin cancer, can spread throughout the body by creeping like tiny spiders along the outside of blood vessels without ever entering the blood stream, and that this process is exacerbated by exposure to ultraviolet (UV) light.

In 2015, chemists from Cambridge University, led by John Sutherland, who is a co-author on the current study, discovered a way to synthesize the precursors to RNA using just hydrogen cyanide, hydrogen sulfide, and ultraviolet light — all ingredients that are thought to have been available on early Earth, before the appearance of the first life forms.

Some probably formed on Earth billions of years ago as lightning and ultraviolet light from the sun laced the primitive atmosphere.

Their two zinc mines have yielded more than 90 types of rare minerals that glow under ultraviolet light, due to trace amounts of manganese trapped when the crystals formed.

Then he set up a plasma lamp to fire beams of ultraviolet light at the chamber, much like the radiation present in planet - and star - forming regions of dust clouds.

One is called crosslinking, composed of molecules that form bonds when exposed to ultraviolet light.

The research team used Hubble's Wide Field Camera 3 to search for faint, star - forming galaxies in ultraviolet light, a reliable tracer of star birth.

Many of the young stars that formed in a recent burst of star formation emit the ultraviolet light.

They are formed naturally through normal metabolic processes; however more sources of free radicals include poor food choices, certain prescription medications, environmental pollution, tobacco smoking (including second - hand), stress, ultraviolet light, oxygen and radiation.

For the most part, vitamins are acquired when food is ingested, but some are acquired by other means: for example, microorganisms in the gut flora produce vitamin K and biotin; and one form of vitamin D is synthesized in skin cells when they are exposed to a certain wavelength of ultraviolet light present in sunlight.

# 2 Electromagnetic radiation is generated by electromagnetic waves moving through space or solid substance in the form of radio waves, infrared radiation, visible light, ultraviolet radiation, X rays, and gamma rays.

The Earth receives energy from the Sun in the form of visible light and ultraviolet radiation, which is then re-radiated away from the surface as thermal radiation in infrared wavelengths.

Ultraviolet (UV) light is a form of radiation that acts as a mutagen, an agent that causes mutations in DNA.

Energy transfer in the form of electromagnetic waves includes infrared radiation, visible light, and ultraviolet rays.

Solar energy enters our atmosphere as shortwave radiation in the form of ultraviolet (UV) rays (the ones that give us sunburn) and visible light.

When the intensity of ultraviolet light from the sun increases, temperature rises in this ozone rich air and weakens the downdraft, lowers the surface pressure and with it the strength of the trade winds that blow across the ocean to the low pressure zones that form over the warm waters that accumulate in the west.

The Earth receives energy from the sun in the form of ultraviolet rays (light) and releases some of this energy back into space as infrared rays (heat).

Ozone is formed from dioxygen by the action of ultraviolet light and also atmospheric electrical discharges, and is present in low concentrations throughout the Earth's atmosphere.

The greenhouse effect works like this: Energy arrives from the sun in the form of visible light and ultraviolet radiation.

Other sources are chemical, involving acids or gasoline, electrical due to faulty wiring, and even light in the form of ultraviolet (UV) radiation.