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2. Biological functions of nitric oxide - Wikipedia

   en.wikipedia.org/wiki/Biological_functions_of...

   Nitric oxide (nitrogen monoxide) is a molecule and chemical compound with chemical formula of N O. In mammals including humans, nitric oxide is a signaling molecule involved in several physiological and pathological processes. [ 1 ] It is a powerful vasodilator with a half-life of a few seconds in the blood.

3. Nitric oxide - Wikipedia

   en.wikipedia.org/wiki/Nitric_oxide

   Nitric oxide (nitrogen oxide or nitrogen monoxide [1]) is a colorless gas with the formula NO. It is one of the principal oxides of nitrogen . Nitric oxide is a free radical : it has an unpaired electron , which is sometimes denoted by a dot in its chemical formula ( • N=O or • NO).

4. Respiratory quotient - Wikipedia

   en.wikipedia.org/wiki/Respiratory_quotient

   Respiratory quotient. The respiratory quotient (RQ or respiratory coefficient) is a dimensionless number used in calculations of basal metabolic rate (BMR) when estimated from carbon dioxide production. It is calculated from the ratio of carbon dioxide produced by the body to oxygen consumed by the body, when the body is in a steady state.

5. Sodium nitrite - Wikipedia

   en.wikipedia.org/wiki/Sodium_nitrite

   Above 330 °C sodium nitrite decomposes (in air) to sodium oxide, nitric oxide and nitrogen dioxide. [88] 2 NaNO 2 → Na 2 O + NO + NO 2. Sodium nitrite can also be used in the production of nitrous acid: 2 NaNO 2 + H 2 SO 4 → 2 HNO 2 + Na 2 SO 4. The nitrous acid then, under normal conditions, decomposes: 2 HNO 2 → NO 2 + NO + H 2 O

6. Reactive oxygen species - Wikipedia

   en.wikipedia.org/wiki/Reactive_oxygen_species

   In chemistry and biology, reactive oxygen species (ROS) are highly reactive chemicals formed from diatomic oxygen (O2), water, and hydrogen peroxide. Some prominent ROS are hydroperoxide (O 2 H), superoxide (O 2-), [ 1 ] hydroxyl radical (OH.), and singlet oxygen. [ 2 ] ROS are pervasive because they are readily produced from O 2, which is ...

7. Exhaled nitric oxide - Wikipedia

   en.wikipedia.org/wiki/Exhaled_nitric_oxide

   Nitric oxide (NO) is a gaseous molecule produced by certain cell types in an inflammatory response. The fraction of exhaled NO (FE NO) is a promising biomarker for the diagnosis, follow-up and as a guide to therapy in adults and children with asthma. The breath test has recently become available in many well-equipped hospitals in developed ...