• Oxygen-17 (17O) is a low-abundance, natural, stable isotope of oxygen (0.0373% in seawater; approximately twice as abundant as deuterium). As the only...
    5 KB (546 words) - 23:48, 14 June 2023
  • Thumbnail for Oxygen
    Oxygen is a chemical element; it has symbol O and atomic number 8. It is a member of the chalcogen group in the periodic table, a highly reactive nonmetal...
    114 KB (11,793 words) - 23:12, 18 August 2024
  • Dark oxygen production (DOP) refers to the generation of molecular oxygen (O2) through processes that do not involve light-dependent oxygenic photosynthesis...
    12 KB (1,229 words) - 10:57, 22 August 2024
  • oxygen. The most familiar is molecular oxygen (O2), present at significant levels in Earth's atmosphere and also known as dioxygen or triplet oxygen....
    12 KB (1,339 words) - 17:46, 10 July 2024
  • Oxygen-18 (18 O, Ω) is a natural, stable isotope of oxygen and one of the environmental isotopes. 18 O is an important precursor for the production of...
    9 KB (1,021 words) - 15:51, 20 May 2024
  • An oxygen sensor (or lambda sensor, where lambda refers to air–fuel equivalence ratio, usually denoted by λ) or probe or sond, is an electronic device...
    30 KB (4,234 words) - 13:28, 18 June 2024
  • There are three known stable isotopes of oxygen (8O): 16 O , 17 O , and 18 O . Radioactive isotopes ranging from 11 O to 28 O have also been characterized...
    25 KB (2,079 words) - 13:04, 7 August 2024
  • Thumbnail for Oxygen therapy
    Oxygen therapy, also referred to as supplemental oxygen, is the use of oxygen as medical treatment. Supplemental oxygen can also refer to the use of oxygen...
    66 KB (7,124 words) - 19:35, 14 August 2024
  • Thumbnail for Oxygen toxicity
    Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O 2) at increased partial pressures. Severe cases can...
    117 KB (11,925 words) - 13:06, 17 August 2024
  • Thumbnail for Singlet oxygen
    Singlet oxygen, systematically named dioxygen(singlet) and dioxidene, is a gaseous inorganic chemical with the formula O=O (also written as 1 [O 2] or...
    29 KB (2,908 words) - 02:53, 10 August 2024
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    with the oxygen-18 and oxygen-17 present in the oxide. The normal amount of oxygen-18 present in the natural form is 0.204% while that of oxygen-17 is 0.037%...
    64 KB (7,010 words) - 05:49, 8 July 2024
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    Blood (redirect from Oxygen transport)
    other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells, and transports metabolic waste products away from those same...
    58 KB (6,555 words) - 16:51, 27 June 2024
  • "American Oxygen" is a song recorded by Barbadian singer Rihanna. It was written by Alex da Kid, Candice Pillay, Sam Harris and Rihanna; Alex da Kid and...
    37 KB (3,588 words) - 12:11, 13 July 2024
  • An oxygen tank is an oxygen storage vessel, which is either held under pressure in gas cylinders, referred to in the industry as high pressure oxygen cylinders...
    5 KB (595 words) - 23:55, 6 June 2024
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    10−28 m2), while those of oxygen-16 and oxygen-17 are 0.19 and 0.24 millibarn, respectively. 17O makes up 0.038% of natural oxygen, making the overall cross...
    84 KB (9,923 words) - 14:49, 18 July 2024
  • Thumbnail for Biochemical oxygen demand
    Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed...
    31 KB (4,218 words) - 14:32, 7 July 2024
  • Thumbnail for Hypoxia (medicine)
    condition in which the body or a region of the body is deprived of adequate oxygen supply at the tissue level. Hypoxia may be classified as either generalized...
    107 KB (11,638 words) - 18:57, 5 July 2024
  • Thumbnail for Hemoglobin
    or Hgb) is a protein containing iron that facilitates the transport of oxygen in red blood cells. Almost all vertebrates contain hemoglobin, with the...
    98 KB (11,566 words) - 05:53, 2 August 2024
  • Solid oxygen forms at normal atmospheric pressure at a temperature below 54.36 K (−218.79 °C, −361.82 °F). Solid oxygen O2, like liquid oxygen, is a clear...
    8 KB (952 words) - 00:20, 7 June 2024
  • V̇O2 max (also maximal oxygen consumption, maximal oxygen uptake or maximal aerobic capacity) is the maximum rate of oxygen consumption attainable during...
    32 KB (3,390 words) - 23:36, 9 August 2024
  • Thumbnail for Hyperbaric medicine
    hyperbaric air and hyperbaric oxygen. Hyperbaric air (HBA), consists of compressed room air (79% nitrogen, 21% oxygen, and minor gases) and is FDA-approved...
    89 KB (9,946 words) - 06:52, 21 August 2024
  • Thumbnail for 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...
    73 KB (8,482 words) - 12:21, 12 July 2024
  • Thumbnail for Great Oxidation Event
    or Great Oxygenation Event, also called the Oxygen Catastrophe, Oxygen Revolution, Oxygen Crisis or Oxygen Holocaust, was a time interval during the Earth's...
    85 KB (9,541 words) - 05:12, 19 August 2024
  • Thumbnail for Oxygen (TV channel)
    Oxygen (branded on air as Oxygen True Crime) is an American television network owned by the NBCUniversal Media Group division and business segment of NBCUniversal...
    41 KB (2,747 words) - 18:41, 22 August 2024
  • Thumbnail for Oxygen fluoride
    Oxygen fluorides are compounds of elements oxygen and fluorine with the general formula OnF2, where n = 1 to 6. Many different oxygen fluorides are known:...
    9 KB (959 words) - 07:34, 10 February 2024
  • Oxygen is a 2017 Indian Telugu-language action thriller film directed by A. M. Jyothi Krishna and produced by S. Aishwarya on Sri Sai Raam Creations banner...
    12 KB (1,138 words) - 05:01, 11 June 2024
  • Thumbnail for Atomic mass
    protons and eight neutrons). However, because oxygen-17 and oxygen-18 are also present in natural oxygen this led to two different tables of atomic mass...
    21 KB (2,713 words) - 15:54, 9 August 2024
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    is about 0.52 millibarn, whereas that of oxygen-16 (16 8O ) is about 0.19 millibarn and that of oxygen-17 (17 8O ) is about 240 millibarns. While 16 O...
    65 KB (7,615 words) - 06:03, 19 August 2024
  • hydronium ion (H3O+). Preparation and characterization by high resolution oxygen-17 nuclear magnetic resonance". Journal of the American Chemical Society...
    36 KB (4,008 words) - 10:06, 5 August 2024
  • sample of water whose proportions of different isotopes of hydrogen and oxygen are accurately known. VSMOW is distilled from ocean water and does not contain...
    21 KB (2,411 words) - 22:12, 26 June 2024