Sentences with phrase «damaging ultraviolet»

They warned that the loss of ozone would significantly increase the amount of skin - damaging ultraviolet UV - B light reaching the surface, greatly increasing skin cancer and cataracts.

They also block damaging ultraviolet sunlight that can discolor carpets and furniture.

Not only is ozone a greenhouse gas, it also protects us from damaging ultraviolet radiation from the sun, so its presence is important to us.

«Thick coats provide physical protection from the sun's rays, and dark coats absorb much of the damaging ultraviolet rays emitted by the sun.»

Cracked and / or split rubber caused by prolonged exposure to the sun's damaging ultraviolet rays

It's important that you protect yourself carefully from those damaging ultraviolet rays that can make your skin dry and lacking in brightness.

It is very effective as a sunscreen blocking over 20 % of damaging ultraviolet rays from the sun and works invaluably against hair damage (27).

It contains a lot of ozone, which helps block much of the sun's biologically damaging ultraviolet radiation.

THEY bask in the sun for hours, but just like us, plants need to protect themselves from damaging ultraviolet rays.

Austrian ecologists recently found that the algae also protect against damaging ultraviolet radiation.

A genetic variant that increases the risk of testicular cancer may be favored by evolution because it helps protect those with fair skin from the sun's damaging ultraviolet rays, according to a new study.

This, in turn, will lower the depth and turbidity of water in mountain streams, increasing the amount of damaging ultraviolet light that reaches the stream beds.

THERE are photoreceptors in your skin like those in your eye, allowing your body covering to mount a swift defence against damaging ultraviolet radiation.

NASA has gone this route because Mars lacks a thick atmosphere and protective magnetic field, so it is exposed to damaging ultraviolet light and cosmic rays.

Earth in the days when life was just beginning had no protective ozone layer, so light - dependent, iron - oxidizing bacteria formed iron minerals around themselves to protect them from damaging ultraviolet rays.

This molecule, which the researchers call pteronenone, had a structure similar to that of chemicals which absorb the Sun's damaging ultraviolet rays and are carried by other planktonic creatures (Journal of Organic Chemistry, vol 60, p 780).

Gooey polymers may have protected the Earth's first life - forms from damaging ultraviolet rays.

Without a protective layer of ozone, life would be exposed to DNA - damaging ultraviolet rays from the sun.

Colored carotenoid pigments (similar to those in many plants, including the carrots that the compounds are named after) can neutralize damaging ultraviolet light.

Even in winter, the sun's damaging ultraviolet rays can dry your skin, make it look older, break down cells and even cause cancer.

Not exact matches

@Chad: I. Mutations in DNA sequences generally occur through one of two processes: A. Environmental factors: DNA damage from environmental agents such as ultraviolet light (sunshine), nuclear radiation or certain chemicals B. Mistakes that occur when a cell copies its DNA in preparation for cell division.

In a recent study published in the British Journal of Dermatology, scientists from the University of Manchester revealed that lycopene found in tomato paste offered skin protection against ultraviolet radiation by inhibiting free radical damage and supporting collagen production.

Never place them immediately in full sun after they've grown in the low light of a fluorescent fixture or they will get ultraviolet light damage and burn up.

Ultraviolet rays are known to cause skin cancer and other eye damages.

Retinal cells contain three yellow pigments — lutein, zeaxanthin and meso - zeaxanthin — which absorb near - ultraviolet light, protecting the eye from its damaging effects and reducing glare.

With the southern sun beating down through clear waters, tropical corals need something to protect their delicate tissues from damaging doses of ultraviolet (UV) radiation.

Its purpose is to help people to effectively protect themselves from UV light, which causes sunburns, eye damage such as cataracts, skin aging, and skin cancer (see the section health effects of ultraviolet light).

In tomorrow's issue of the Proceedings of the National Academy of Sciences, two researchers point the finger at chemical changes in the molecule transurocanic acid — which at one time was thought to protect against ultraviolet (UV) radiation damage — as a possible controlling agent in the process.

Ultraviolet (UV) rays from the sun and from tanning beds can damage the DNA in skin cells, causing melanoma.

We know that they are under stress when they are fighting cancer or other diseases, so I wondered whether anything measureable could be seen if we put them under further stress with UVA light.We found that people with cancer have DNA which is more easily damaged by ultraviolet light than other people, so the test shows the sensitivity to damage of all the DNA — the genome — in a cell.»

The Lymphocyte Genome Sensitivity (LGS) test looks at white blood cells and measures the damage caused to their DNA when subjected to different intensities of ultraviolet light (UVA), which is known to damage DNA.

Melanoma is usually induced by the sun, by dangerous ultraviolet light damage.

Although Proxima Centauri's dimness provides the planet with a balmy climate, the star is prone to outbursts of harsh X-ray and ultraviolet radiation, which could damage any chance of life on the planet — X-rays hit the surface 400 times more often than those from the sun pummel Earth.

The research team confirmed in other studies that eating strawberries also protects against ultraviolet radiation, reduces the damage that alcohol can have on the gastric mucosa, strengthens erythrocytes, or red blood cells, and improves the antioxidant capacity of the blood.

Intensified El Niño cycles can dry up streams and ponds, researchers say, which allows ultraviolet (UV) light to penetrate breeding pools and damage eggs, making them susceptible to fatal infections.

A third highly associated region encompasses a cluster of genes that play a role in ultraviolet (UV) response and DNA damage repair.

Washington State University researchers have mapped the damage of ultraviolet radiation on individual units of DNA, opening a new avenue in the search for how sunlight causes skin cancer and what might be done to prevent it.

Since the ozone layer absorbs ultraviolet light from the sun, ozone layer depletion can lead to increased rates skin cancer, eye damage and other adverse consequences.

A new computer simulation suggests that the water vapour and sea salt thrown up by the impact could damage the Earth's protective ozone layer, leading to record levels of ultraviolet radiation that could threaten human civilisation.

«Ultraviolet (UV) light can actually damage DNA, and that's not good for the skin,» said Guy German, assistant professor of biomedical engineering at Binghamton University.

The ozone layer helps shield Earth from potentially harmful ultraviolet radiation that can cause skin cancer, cataracts, and suppress immune systems, as well as damage plants.

If the ultraviolet radiation from the sun damages human DNA to cause health problems, does UV radiation also damage plant DNA?

Sunburn in living organisms is caused by ultraviolet (UV) light from the sun damaging the DNA in the cells.

The new research shows that UV - B radiation — one of the most damaging forms of ultraviolet radiation — kills the eggs of some species but leaves others unharmed.

Ultraviolet light from the Sun and a wide range of chemicals continually damage our DNA.

I also see ultraviolet light, which is good to detect because it damages the skin.

For example, earlier research suggested that Neanderthal DNA influenced skin cells known as keratinocytes that help protect the skin from environmental damage such as ultraviolet radiation and germs.

These might make the sun look dim, possibly even dim enough to look at without discomfort, but they may do nothing to block infrared or ultraviolet radiation that will cause permanent damage to the retina and possibly lead to blindness.

Fibers treated this way can transmit stable, high - power ultraviolet laser light for long periods of time, resisting the damage usually caused by UV light.

For artificial lighting throughout the museum, conservators chose novel bulbs that use ultraviolet LEDs rather than the standard blue ones, and different blends of light - emitting phosphors that better approximate natural light when operated at the low intensity needed to avoid damaging fragile pigments.