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  2. Reactive nitrogen species - Wikipedia

    en.wikipedia.org/wiki/Reactive_Nitrogen_Species

    Reactive nitrogen species act together with reactive oxygen species (ROS) to damage cells, causing nitrosative stress. Therefore, these two species are often collectively referred to as ROS/RNS. Reactive nitrogen species are also continuously produced in plants as by-products of aerobic metabolism or in response to stress. [3]

  3. Reactive nitrogen - Wikipedia

    en.wikipedia.org/wiki/Reactive_nitrogen

    Reactive nitrogen ("Nr"), also known as fixed nitrogen [1], refers to all forms of nitrogen present in the environment except for molecular nitrogen (N 2 ). [ 2 ] While nitrogen is an essential element for life on Earth, molecular nitrogen is comparatively unreactive, and must be converted to other chemical forms via nitrogen fixation before it ...

  4. Nitrotyrosine - Wikipedia

    en.wikipedia.org/wiki/Nitrotyrosine

    Nitrotyrosine is a product of tyrosine nitration mediated by reactive nitrogen species such as peroxynitrite anion and nitrogen dioxide. Nitrotyrosine is identified as an indicator or marker of cell damage, inflammation as well as NO (nitric oxide) production. Nitrotyrosine is formed in the presence of the active metabolite NO.

  5. Nitrogen cycle - Wikipedia

    en.wikipedia.org/wiki/Nitrogen_cycle

    Global cycling of reactive nitrogen [1] including industrial fertilizer production, [2] nitrogen fixed by natural ecosystems, [3] nitrogen fixed by oceans, [4] nitrogen fixed by agricultural crops, [5] NO x emitted by biomass burning, [6] NO x emitted from soil, [7] nitrogen fixed by lightning, [8] NH 3 emitted by terrestrial ecosystems, [9] deposition of nitrogen to terrestrial surfaces and ...

  6. Oxidative stress - Wikipedia

    en.wikipedia.org/wiki/Oxidative_stress

    Oxidative stress mechanisms in tissue injury. Free radical toxicity induced by xenobiotics and the subsequent detoxification by cellular enzymes (termination).. Oxidative stress reflects an imbalance between the systemic manifestation of reactive oxygen species and a biological system's ability to readily detoxify the reactive intermediates or to repair the resulting damage. [1]

  7. Not getting enough magnesium could affect cardiovascular risk

    www.aol.com/not-getting-enough-magnesium-could...

    Similarly, Kee told us that “the efficacy of magnesium supplementation in reducing hard clinical outcomes such as heart attack, stroke, and peripheral artery disease remains uncertain ...

  8. DNA damage (naturally occurring) - Wikipedia

    en.wikipedia.org/wiki/DNA_damage_(naturally...

    Damage to DNA that occurs naturally can result from metabolic or hydrolytic processes. Metabolism releases compounds that damage DNA including reactive oxygen species, reactive nitrogen species, reactive carbonyl species, lipid peroxidation products, and alkylating agents, among others, while hydrolysis cleaves chemical bonds in DNA. [8]

  9. Data Disappeared

    highline.huffingtonpost.com/article/disappearing...

    Over the past four years, the Trump administration has destroyed or distorted vast swaths of information vital to public life and safety. This is an account of the damage.