Nitric oxide or nitrogen monoxide, NO, is a gas that is toxic at concentrations higher than 30 ppm (parts per million). NO is formed during combustion in air. Nitric oxide is an irritant to skin and eyes and inhalation of large amounts can lead to death.
To prepare a successful research paper on the topic you must know that nitric oxide is formed when a mix of nitrogen and oxygen is subjected to high temperatures and high pressure. The longer a mixture of nitrogen and oxygen is subjected to high temperatures and high pressure, the more nitric oxide is formed. The main source for the formation of nitric oxide is combustion engines in cars or the combustion in power plants. Nitric oxide reacts slowly with oxygen. Nitrogen dioxide, nitrogen dioxide (NO2) is formed.
Nitric oxide (NO) and nitrogen dioxide (NO2) are jointly known as NOx. The gas nitrogen dioxide plays a role in the formation of tropospheric ozone together with other air pollutants such as hydrocarbons (HC) and soot. Nitric oxide may contribute to the degradation of the ozone layer. Almost all the nitric oxide is converted to nitrogen dioxide long before the gas reaches the ozone layer. In polluted urban air nitrogen monoxide contribute to concentrations of ozone (O3) is reduced by the reaction:
NO + O3 = NO2 + O2
Nitric oxide also has a function as a neurotransmitter in mammals including humans. NO has the effect that smoothes muscles around blood vessels to relax them locally whereupon blood vessels expand. Nitric oxide is produced in endothelial cells in response to various forms of stimuli, including increased blood pressure and vascular stress. Nitroglycerin given in the treatment of angina is converted in the body into nitric oxide, leading to vasodilation. In the treatment of angina also air enriched with up to about 20 ppm of NO may be given. To help support lung function in premature and also other problems with lung functioning air enriched with NE is given. NO leads to the widen airways.
Studies show that nitric oxide is involved in the process of building muscle mass, but its impact has not been studied and is still under debate, whether it has anabolic properties. It was established only that laboratory rats injected with special drugs that slow down the synthesis of NO, showed a growth rate of muscle mass by 30-40% lower than those in which its synthesis was not blocked. Moreover, for a long time there was no information of any useful properties of nitric oxide, and it was considered exceptionally from a negative point of view, as a dangerous gas.
Currently on the market there are a lot of sports nutrition products, the effect of which is aimed at increasing the production of nitric oxide by the body, or to artificially increase its level. The most advanced drugs also decrease levels of cortisol acting as a catabolic agent.
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