Ultraviolet light Sentence Examples

Returning to the more orthodox version of the cannabinoid biosynthesis, the role of ultraviolet light should be reemphasized.

Low-density polythene is also often protected by carbon black which absorbs the ultraviolet light which causes free radical production (see p.54 ).

Skin will be tested by shining ultraviolet light to limited areas and by taking tiny skin samples.

This protects us from harmful ultraviolet light and x rays from solar magnetic storms.

Artificial ultraviolet light is used to treat skin diseases like psoriasis and is called phototherapy.

Halothane contains thymol as a stabilizing agent and is stored in dark bottles as it is decomposed by ultraviolet light.

Short wave ultraviolet light has a photo oxidization effect that destroys chloramines & other toxic by-products of chlorine, without adding additional chemical products.

Small quantities may also be produced by certain ultraviolet light wavelengths.

C. Brodie in 1853 showed that a trace of iodine also expedited the change_ The same form is also produced by submitting ordinary phosphorus to the silent electric discharge, to sunlight or the ultraviolet light.

Indoor lighting, airborne contaminants, and ultraviolet light will all have an impact on the rate and extent of fading.Inspect used pieces by flipping upholstered cushions and viewing wooden or leather furniture from all sides.

Once a common choice for ceiling lights, fluorescents use a combination of mercury vapor and electric discharge to produce ultraviolet light.

Hemp is resistant to mold and ultraviolet light.

A dilated pupil lets in more ultraviolet light that is damaging to the eye.

Of all of the colors on the electromagnetic spectrum, ultraviolet light (UV) has the worst reputation.

Due to the filtering properties of the earth's atmospheric ozone layer, practically all of the ultraviolet light that reaches the earth's surface is the long-wave UVA, while the UVC is necessary to the generation of ozone.

Everyone is familiar with the fact that ultraviolet light is harmful -- but many people are not conversant with the fact that UV is also beneficial.

Exposure to high levels of ultraviolet light can cause many eye problems, including cataracts, photokeratitis (snow-blindness), pingueculae (an irritating growth), and pterygium (another type of growth).

Melanin also protects the body by absorbing ultraviolet light.

Moderate exposure to sun or ultraviolet light may help heal the lesions, but patients should avoid being sunburned.

Administered under medical supervision, ultraviolet light B (UVB) is used to control psoriasis that covers many areas of the body or that has not responded to topical preparations.

Photochemotherapy (PUVA) is a medically supervised procedure that combines medication with exposure to ultraviolet light (UVA) to treat localized or widespread psoriasis.

Benzophenones, including oxybenzone and dioxybenzone, protect against a broader range of ultraviolet light than the salicylates and are more useful for broad spectrum protection.

Ozone-A form of oxygen with three atoms in its molecule (O3), produced by an electric spark or ultraviolet light passing through air or oxygen.

A dermatologist may also study the scalp of a person with suspected tinea capitis under ultraviolet light.

Treatments under investigation, as of 2004, included the use of ultraviolet light and injections of interferon.

Dermatologists can peel off the upper layers of skin using a special ultraviolet light.

Other treatments that are sometimes used for atopic dermatitis are tar preparations and ultraviolet light therapy (phototherapy).

Some patients who do not respond to ultraviolet light alone benefit from a combination of phototherapy and an oral medication known as psoralen, which makes the skin more sensitive to the light.

In the TSB test, spectrophotometry is used to identify and quantify the amount of bilirubin in a specific amount of serum by measuring the amount of ultraviolet light absorbed by bilirubin pigment in the sample.

Spectrophotometry-A testing method that measures the amount of ultraviolet light absorbed by specific substances such as bilirubin pigment.

When the ultraviolet light from the sunlight shines on the skin, it's also shining on a cholesterol compound in the skin.

Plus the glutathione peroxidase may also protect against damage caused by ultraviolet light which can help to prevent sunburn and sun damage.

For example, the Oreck Halo contains an ultraviolet light that can kill bacteria and viruses-a great addition to the home of an individual prone to sickness.

The ProShield Plus model also has a Helios Shield, which uses ultraviolet light to reduce volatile organic compounds and kill odors.

All hardwood floors will gradually discolor over time, as the stain and wood is susceptible to ultraviolet light and frequent use, but you can minimize these effects with some simple steps.

First, the nails are coated with a gel base and left to dry for two minutes under the salon's ultraviolet light.

Made with a polymer and monomer blend, the gel mixture is applied to the nails and cured under an ultraviolet light.