ozone

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ozone

 [o´zōn]
a bluish explosive gas or blue liquid, being an allotropic form of oxygen, O3; it is antiseptic and disinfectant, and irritating and toxic to the pulmonary system. Ozone that is carried in the air is odorless and colorless.

Ozone is artificially produced when automobile exhaust fumes combine with nitrogen oxide in the presence of sunlight and high temperatures. This leads to ozone pollution. Federal standards have been established to determine when the level of ozone in atmospheric air is unhealthful.
ozone alert a warning issued by health and environmental officials during periods of excessive ozone pollution for those individuals most sensitive to ozone, such as the very young, the elderly, and ill individuals, especially those with respiratory conditions. Advice is to remain indoors and limit physical activity. Healthy individuals are also advised to limit outdoor activity.

o·zone

(ō'zōn),
O3; a powerful oxidizing agent; air containing a perceptible amount of O3 formed by an electric discharge or by the slow combustion of phosphorus, and has an odor suggestive of Cl2 or SO2; also formed by the action of solar UV radiation on atmospheric O2.
[G. ozō, to smell]

ozone

(ō′zōn′)
n.
1. An unstable, poisonous allotrope of oxygen, O3, that is formed naturally in the ozone layer from atmospheric oxygen by electric discharge or exposure to ultraviolet radiation, also produced in the lower atmosphere by the photochemical reaction of certain pollutants. It is a highly reactive oxidizing agent used to deodorize air, purify water, and treat industrial wastes.
2. Informal Fresh, pure air.

o·zo′nic (ō-zō′nĭk, ō-zŏn′ĭk), o′zon′ous (ō′zō′nəs) adj.
Ozone is the most widespread form of air pollution. When inhaled, ozone irritates the lungs, resulting in something like a bad sunburn. The health effects of breathing ozone pollution can be immediate and include wheezing, coughing and asthma attacks

o·zone

(ō'zōn)
A powerful oxidizing agent; air containing a perceptible amount of O3 formed by an electric discharge or by the slow combustion of phosphorus; also formed by the action of solar UV radiation on atmospheric O2.
[G. ozō, to smell]

ozone

A gas consisting of molecules in which three atoms of oxygen are linked together. Concentrated ozone is a blue explosive liquid. Even in low concentrations the gas is poisonous and highly irritating. The ozone layer in the stratosphere, between 10 and 50 km above the earth's surface, is produced continuously by the action of ultraviolet radiation from the sun and forms a protective barrier, cutting down the intensity of the ultraviolet component in sunlight. Without the ozone layer we would suffer serious biological effects from solar radiation, including a large increase in the incidence of skin cancer. Atmospheric ozone is broken down by the catalytic action of chloro-fluoro-carbons (CFCs) and other substances. Recent studies have shown that ozone is involved in the oxidative stress production of ATHEROSCLEROSIS in arteries. Cholesterol is converted by ozone to 5,6-secosterol which is cytotoxic and induces the formation of foam cells in the presence of low-density lipoproteins.

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. Ozone is used therapeutically as a disinfectant and oxidative agent.
Mentioned in: Ozone Therapy, Sunscreens
References in periodicals archive ?
ScentLok does more than make killer clothing; they also produce the POG ENFORCER ($140), a truly portable, personal ozone generator. This small ozone generator is rechargeable (eight hours of operation on a full charge), operates on a one or three-hour mode, and also doubles as a charging bank for smartphones and tablets.
The ozone generator prototype developed by (Echeverry, 2008) was used in a trial of leachate ozonation.
After some tinkering and experimentation, McClain says his portable ozone generators proved effective at treating barrels for Brett and acetobacter contamination.
Many service technicians are familiar with ozone generators, having either installed or repaired one for a client.
Ozone generators are currently used in factories, offices, care homes, clubs and in some domestic houses to neutralise the air, and to prevent mould and bacteria from growing.
"If you meet the fire code, ozone is going to be cheaper." The cost of ozone generators has come down about 40 percent in the past two years and should continue to fall as use widens in the United States, he says.
A small, wall-mounted ozone generator (Sun River Innovations, Limited: Trilogy, Model G22) was selected for the pilot plant studies.
The exterior is made of tear- and water-resistant nylon for durability, and the ozone generator is maintenance-free.
The Ozone Roller Bag is a portable luggage tote with a built-in digital ozone generator for deodorizing your hunting gear before heading afield.
The Log6 Ozone Generator is supplied with a small air hose that you can slip into a garment bag or sealed plastic tote, and then you set the timer for the desired treatment time.
The integrated high quality ozone analyzer MP 6060 provides stable values of ozone which is generated from thoroughly filtered ambient air, using an ozone generator of the company's time-tested Ozomat COM product range.
Andrew's project, which was identified in conjunction with business support agency Tedco, involved the design, prototyping and implementation of new electronic circuitry for use across a range of different ozone generator models while improving flexibility, reducing costs, and improving compatibility with large-scale manufacturing processes.