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Oxygen is a chemical element; it has the symbol O and its atomic number is 8. It is a member of the chalcogen group in the periodic table. It is highly...

An oxygen sensor is an electronic component that detects the concentration of oxygen molecules in the air or a gas matrix such as in a combustion engine...

Look up oxygen in Wiktionary, the free dictionary. Oxygen is a chemical element with symbol O and atomic number 8. Oxygen may also refer to: Oxygen XML Editor...

Oxygen toxicity is a condition resulting from the harmful effects of breathing molecular oxygen (O 2) at increased partial pressures. Severe cases can...

The Oxygen XML Editor (styled <oXygen/>) is a multi-platform XML editor, XSLT/XQuery debugger and profiler with Unicode support. It is a Java application...

Liquid oxygen, sometimes abbreviated as LOX or LOXygen, is a clear, pale cyan liquid form of dioxygen O2. It was used as the oxidizer in the first liquid-fueled...

Hgb) is a protein containing iron that facilitates the transportation of oxygen in red blood cells. Almost all vertebrates contain hemoglobin, with the...

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...

Project Oxygen is a research project at the Massachusetts Institute of Technology's Computer Science and Artificial Intelligence Laboratory to develop...

Oxygen saturation is the fraction of oxygen-saturated hemoglobin relative to total hemoglobin (unsaturated + saturated) in the blood. The human body requires...

Oxygen (branded on air as Oxygen True Crime) is an American cable and digital multicast television network owned by Versant. The network primarily airs...

Singlet oxygen, systematically named dioxygen(singlet) and dioxidene, is a gaseous inorganic chemical with two oxygen atoms in a quantum state where all...

Oxygen-free may refer to the absence of oxygen in an environment or in a material. Not to be confused with free oxygen, oxygen in the atmosphere of Earth...

There are three known stable isotopes of oxygen (8O): 16 O, 17 O, and 18 O. Radioisotopes are known from 11O to 28O (particle-bound from mass number 13...

An oxygen concentrator is a device that concentrates the oxygen from a gas supply (typically ambient air) by selectively removing nitrogen to supply an...

other vertebrates that delivers necessary substances such as nutrients and oxygen to the cells of the body, and transports metabolic waste products away from...

Methods of oxygen storage for subsequent use span many approaches, including high pressures in oxygen tanks, cryogenics, oxygen-rich compounds and reaction...

oxygen. The most familiar is molecular oxygen (O2), present at significant levels in Earth's atmosphere and also known as dioxygen or triplet oxygen....

condition in which the body or a region of the body is deprived of an adequate oxygen supply at the tissue level. Hypoxia may be classified as either generalized...

V̇O2 max (also maximal oxygen consumption, maximal oxygen uptake or maximal aerobic capacity) is the maximum rate of oxygen consumption attainable during...

Oxygen (French: Oxygène) is a 2021 French-language science fiction psychological thriller film produced and directed by Alexandre Aja and written by Christie...

Oxygen saturation (symbol SO2) is a relative measure of the concentration of oxygen that is dissolved or carried in a given medium as a proportion of...

OxygenOS (Chinese: 氧OS; pinyin: yǎng OS) is an Android-based operating system (OS) developed by Chinese smartphone manufacturer OnePlus exclusively for...

Solid oxygen is the solid ice phase of oxygen. It forms below 54.36 K (−218.79 °C; −361.82 °F) at standard atmospheric pressure. Solid oxygen O2, like...

Oxygen scavengers or oxygen absorbers are added to enclosed packaging to help remove or decrease the level of oxygen in the package. They are used to help...

An oxygen mask is a mask that provides a method to transfer breathing oxygen gas from a storage tank to the lungs. Oxygen masks may cover only the nose...

Oxygen Not Included is a 2019 survival simulation video game developed and published by Klei Entertainment. After being released on Steam's early access...

metabolism. The term photosynthesis usually refers to oxygenic photosynthesis, a process that releases oxygen as a byproduct of water splitting. Photosynthetic...

"American Oxygen" is a song recorded by the Barbadian singer Rihanna. It was written by Alex da Kid, Candice Pillay, Sam Harris and Rihanna; Alex da Kid...

Oxygen difluoride is a chemical compound with the formula OF2. As predicted by VSEPR theory, the molecule adopts a bent molecular geometry.[citation needed]...

Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), also known as Linz-Donawitz steelmaking or the oxygen converter process, is a method of primary steelmaking...

The oxygen-burning process is a set of nuclear fusion reactions that take place in massive stars that have used up the lighter elements in their cores...

The oxygen enhancement ratio (OER) or oxygen enhancement effect in radiobiology refers to the enhancement of therapeutic or detrimental effect of ionizing...

Oxygen is a 2001 play by Roald Hoffman who received the chemistry Nobel prize in 1981, and Carl Djerassi, the Stanford biochemist. The play was performed...

An oxygen bar is an establishment, or part of one, that sells oxygen for recreational use. Individual scents may be added to enhance the experience. The...

The oxygen cycle refers to the various movements of oxygen through the Earth's atmosphere (air), biosphere (flora and fauna), hydrosphere (water bodies...

Triplet oxygen, 3O2, refers to the S = 1 electronic ground state of molecular oxygen (dioxygen). Molecules of triplet oxygen contain two unpaired electrons...

to breathe more effectively at an altitude where the partial pressure of oxygen in the ambient atmospheric air is insufficient for the task or to sustain...

Asphyxia or asphyxiation is a condition of deficient supply of oxygen to the body which arises from abnormal breathing. Asphyxia causes generalized hypoxia...

Dark oxygen production refers to the generation of molecular oxygen (O2) through processes that do not involve light-dependent oxygenic photosynthesis...

The arteriovenous oxygen difference, or a-vO2 diff, is the difference in the oxygen content of the blood between the arterial blood and the venous blood...

Oxygen clathrate or oxygen hydrate is a clathrate hydrate consisting of a water-ice framework with regular crystalline cavities that contain oxygen (O2)...

mainly of the isotopes hydrogen-1 and oxygen-16, but there is also a small quantity of heavier isotopes oxygen-18, oxygen-17, and hydrogen-2 (deuterium). The...

Oxygen-free copper (OFC) or oxygen-free high thermal conductivity (OFHC) copper is a group of wrought high-conductivity copper alloys that have been electrolytically...

barotrauma, and, if pure oxygen is used, a fire hazard. Hyperbaric oxygen therapy (HBOT) is the medical use of greater than 99% oxygen at an ambient pressure...

Oxygen concentration may refer to: What oxygen concentrators do - increase the fraction of oxygen in a gas mixture Oxygen saturation, the fraction of...

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...

Vika or TGK is an oxygen generating system for spaceflight. It is a SFOG, or solid-fuel oxygen generator, a kind of chemical oxygen generator. It has...

or Great Oxygenation Event, also called the Oxygen Catastrophe, Oxygen Revolution, Oxygen Crisis, or Oxygen Holocaust, was a time interval during the Earth's...

Anomalous oxygen is hot atomic and singly ionized oxygen believed to be present in Earth's exosphere above 500 km near the poles during their respective...

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...

In chemistry and biology, reactive oxygen species (ROS) are highly reactive chemicals formed from diatomic oxygen (O2), water, and hydrogen peroxide. Some...

Oxygen compatibility is the issue of compatibility of materials for service in high concentrations of oxygen. It is a critical issue in space, aircraft...

Oxygen: Inhale (stylized in all capitals as OXYGEN:INHALE) is the seventh studio album by Canadian rock band Thousand Foot Krutch. It was released on August...

A chemical oxygen generator is a device that releases oxygen via a chemical reaction. The oxygen source is usually an inorganic superoxide, chlorate,...

Oxygen demand is an environmental chemistry term that may refer to: Biochemical oxygen demand (BOD), the amount of oxygen needed by organisms to break...

Oxygen Towers (also known as Oxygen) are a cluster of three individual but interlinked residential towers on Store Street in Manchester, England. Completed...

In chemistry, a sample's oxygen–argon ratio (or oxygen/argon ratio) is a comparison between the concentrations of oxygen (O2) and the noble gas argon...

An oxygen tent consists of a canopy placed over the head and shoulders, or over the entire body of a patient to provide oxygen at a higher level than...

Oxygen balance (OB, OB%, or Ω) is an expression that is used to indicate the degree to which an explosive can be oxidized, to determine whether the molecules...

metres or 26,000 feet – in six months and six days with the aid of bottled oxygen between April and October 2019 (a record until broken in 2023 by Kristin...

reaction between a fuel (the reductant) and an oxidant, usually atmospheric oxygen, that produces oxidized, often gaseous products, in a mixture termed as...

the oxygen cascade describes the flow of oxygen from air to mitochondria, where it is consumed in aerobic respiration to release energy. Oxygen flows...

(recycling) of the substantial unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised...

biochemistry, the oxygen effect refers to a tendency for increased radiosensitivity of free living cells and organisms in the presence of oxygen than in anoxic...

Biochemical oxygen demand (also known as BOD or biological oxygen demand) is an analytical parameter representing the amount of dissolved oxygen (DO) consumed...

In diving and decompression, the oxygen window is the difference between the partial pressure of oxygen (PO2) in arterial blood and the PO2 in body tissues...

Oxygen plants are industrial systems designed to generate oxygen. They typically use air as a feedstock and separate it from other components of air using...

substitutes must compensate for oxygen's poor solubility, due to which dissolved oxygen typically accounts for only a fraction of oxygen transport; in humans, hemoglobin...

The oxygen cocktail is a foamy substance containing a beverage drink (juice, milk, etc.) enriched in gaseous oxygen. The drink is used by a number of...

Oxygen monofluoride is an unstable binary inorganic compound radical of fluorine and oxygen with the chemical formula OF. This is the simplest of many...

Oxygen index may refer to: Oxygenation index in medicine In chemistry, the ratio of oxygen (atoms) over hydrogen in a particular substance, such as used...

Oxygen permeability (OP) is a parameter of a contact lens that expresses the ability of the lens to let oxygen reach the eye by diffusion. In soft contact...

a patient on oxygen therapy and stop the flow of oxygen if the tube is accidentally ignited. Oxygen firebreaks are fitted into the oxygen delivery tubing...

In chemistry, the oxygen reduction reaction refers to the reduction half reaction whereby O2 is reduced to water or hydrogen peroxide. In fuel cells, the...

The oxidation state of oxygen is −2 in almost all known compounds of oxygen. The oxidation state −1 is found in a few compounds such as peroxides. Compounds...

Oxygen Park is a public park in Education City on the outskirts of Qatar’s capital, Doha. Located between the Qatar National Library and Education City...

Oxygen pulse is a physiological term for oxygen uptake per heartbeat at rest. Åstrand et al., "Textbook of Work Physiology", 4th edition, p. 307 v t e...

The oxygen–hemoglobin dissociation curve, also called the oxyhemoglobin dissociation curve or oxygen dissociation curve (ODC), is a curve that plots the...

bacteria of the phylum Cyanobacteriota that can obtain biological energy via oxygenic photosynthesis. Cyanobacteria originated in a freshwater or terrestrial...

Aircraft emergency oxygen systems or air masks are emergency equipment fitted to pressurized commercial aircraft, intended for use when the cabin pressurisation...

periodic table. This group is also known as the oxygen family. Group 16 consists of the elements oxygen (O), sulfur (S), selenium (Se), tellurium (Te)...

Oxygen Square (Bengali: অক্সিজেন মোড়) is a place in Chittagong, Bangladesh. It is an urban square under Bayazid Thana. It is located in Jalalabad Ward...

Excess post-exercise oxygen consumption (EPOC, informally called afterburn) is a measurably increased rate of oxygen intake following strenuous activity...

In environmental chemistry, the chemical oxygen demand (COD) is an indicative measure of the amount of oxygen that can be consumed by reactions in a measured...

The Oxygen breathing apparatus (OBA) is a closed circuit oxygen rebreather. used primarily in firefighting by the US Navy. Its oxygen is generated by...

Diary of an Oxygen Thief is a 2006 Dutch novel, written anonymously and published in Amsterdam by NLVI. Diary of an Oxygen Thief was called a "surprise...

the absence of oxygen, or a low amount of oxygen (hypoxia), rather than atmospheric air (which is composed largely of nitrogen and oxygen). Examples of...

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:...

Oxygen Thief is an English solo musical project of Barry Dolan based in the city of Bristol. He has received national radio recognition and festival slots...

Oxygen evolution is the chemical process of generating diatomic oxygen (O2) by a chemical reaction, usually from water, the most abundant oxide compound...

POL Oxygen was an international design, art and architecture quarterly magazine. The magazine existed between 2001 and 2008. It contained extended profiles...

Kennedy Space Center on April 11, 1970, but the landing was aborted after an oxygen tank in the service module (SM) exploded two days into the mission, disabling...

A portable oxygen concentrator (POC) is a device used to provide oxygen therapy to people that require greater oxygen concentrations than the levels of...

Black Oxygen is an American band formed in 2010 in Kansas City and currently based in Los Angeles, California. Consisting of brothers David and Nick Lyle...

An oxygen generating biomaterial (OGB) is a material designed to produce, store and release oxygen within biological environments. These materials are...

The Oxygen Green Party (Spanish: Partido Verde Oxígeno) is a political party in Colombia founded in 1998. After Íngrid Betancourt, one of its most prominent...

A silicon–oxygen bond (Si−O bond) is a chemical bond between silicon and oxygen atoms that can be found in many inorganic and organic compounds. In a...

mountaineering, the death zone refers to altitudes above which the pressure of oxygen is insufficient to sustain human life for an extended time span. This point...

Oxygen Studios was a video game development studio set up by Oxygen Games in 2007. The studio's primary focus is on producing mainstream titles on Wii...

particularly during the Jurassic period – as chemical defences against reactive oxygen species that are byproducts of photosynthesis. Originally, the term antioxidant...

Although oxygen is the most abundant element in Earth's crust, due to its high reactivity it mostly exists in compound (oxide) forms such as water, carbon...

summits lie in the altitude range known as the death zone, where atmospheric oxygen pressure is insufficient to sustain human life for extended periods of time...

artist, composer, producer and actress best known by her stage name Anna Oxygen. After starting her music career as a member of the Space Ballerinas, a...

bottled oxygen sets, with the expedition's physiologist Griffith Pugh referring to the oxygen debate as a "futile controversy", noting that oxygen "greatly...

Oxygenic photogranules (OPGs) are a type of biological aggregate with an approximately spherical form, typically from a millimeter to a centimeter scale...

refers to any gas mixture composed (excepting trace gases) of nitrogen and oxygen. It is usually used for mixtures that contain less than 78% nitrogen by...

Fraction of inspired oxygen (FIO2), correctly denoted with a capital I, is the molar or volumetric fraction of oxygen in the inhaled gas. Medical patients...

Oxygen equivalent compares the relative amount of oxygen available for respiration at a variable pressure to that available at SATP. As external respiration...

oxidizing biological fuels using an inorganic electron acceptor, such as oxygen, to drive production of adenosine triphosphate (ATP), which stores chemical...

The ozone–oxygen cycle is the process by which ozone is continually regenerated in Earth's stratosphere, converting ultraviolet radiation (UV) into heat...

Oxygen regulation may refer to: Control of ventilation, the physiological mechanisms involved in the control of breathing Erotic asphyxiation, for the...

and myoglobin. These two proteins play essential roles in oxygen transport by blood and oxygen storage in muscles. To maintain the necessary levels, human...

Oxygen Express was a series of long- and short-haul train services jointly operated by the Ministry of Railways and Indian Railways to overcome a severe...

in oxygen to a pre-set alarm level, an oxygen deficiency monitor can be programmed to set off audible and visual alarms. Most commonly, the oxygen range...

Theoretical oxygen demand (ThOD) is the calculated amount of oxygen required to oxidize a compound to its final oxidation products. However, there are...

spelled hypoxaemia) is an abnormally low level of oxygen in the blood. More specifically, it is oxygen deficiency in arterial blood. Hypoxemia is usually...

Oxygen weed is a common name for several plants and may refer to: Egeria densa, a species of aquatic plant native to South America Lagarosiphon major,...

by-product of the normal metabolism of oxygen and have important roles in cell signaling. Two important oxygen-centered radicals are superoxide and hydroxyl...

Pulse oximetry is a noninvasive method for monitoring blood oxygen saturation. Peripheral oxygen saturation (SpO2) readings are typically within 2% accuracy...

Dark Oxygen Production (DOP) was a hypothesis published by Sweetman et al. (2024) to explain anomalous data from experiments in the Clarion-Clipperton...

American woman to reach the summit of Mount Everest without using bottled oxygen, on May 22, 1998. She and her husband, Sergei Arsentiev, both died during...

chemical energy of a fuel (often hydrogen) and an oxidizing agent (often oxygen) into electricity through a pair of redox reactions. Fuel cells are different...

The limiting oxygen index (LOI) is the minimum concentration of oxygen, expressed as a percentage, that will support combustion of a polymer. It is measured...

harmful effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation. People's bodies can respond to high altitude in different...

weight per electron of the star. As the carbon-12 and oxygen-16 that predominantly compose a carbon–oxygen white dwarf both have atomic numbers equal to half...

The WNBA on Oxygen is an American television sports presentation show broadcast by Oxygen. It aired from June 4, 2002 to 2004. It consists of branding...

Oxygen (foaled 1828, died in winter 1854–1855) was a British Thoroughbred racehorse and broodmare who won the classic Oaks Stakes at Epsom Downs Racecourse...

lance, thermic lance, oxygen lance, or burning bar is a tool that heats and melts steel in the presence of pressurized oxygen to create very high temperatures...

limiting oxygen concentration (LOC), also known as the minimum oxygen concentration (MOC), is defined as the limiting concentration of oxygen below which...

prevention, also known as oxygen reduction system (ORS), is an active fire protection technique based on a permanent reduction of the oxygen concentration in the...

pale-blue gas with a distinctively pungent odour. It is an allotrope of oxygen that is much less stable than the diatomic allotrope O 2, breaking down...

The oxygen minimum zone (OMZ), sometimes referred to as the shadow zone, is the zone in which oxygen saturation in seawater in the ocean is at its lowest...

outside air The partial pressures of inspired oxygen and carbon dioxide The rates of total body oxygen consumption and carbon dioxide production The rates...

protist life. It originated photosynthesis and therefore Earth's atmospheric oxygen, and still supplies half of it. Ocean scientists split the ocean into vertical...

Oxygen-ion batteries (Oi batteries) are a type of rechargeable battery that works similarly to lithium-ion batteries. The electrodes in oxygen-ion batteries...

"Oxygen" is the fifth episode of the tenth series of the British science fiction television series Doctor Who. It was written by Jamie Mathieson and broadcast...

without supplementary oxygen. He was the first person to climb all 14 eight-thousanders, doing so without supplementary oxygen. Messner was the first...

discard their first oxygen bottle and use their second oxygen bottle to summit Everest and return to the South Summit where additional oxygen bottles had been...

low blood oxygen that does not improve with oxygen therapy. Diagnosis is confirmed by a blood gas analysis. Treatment is generally with oxygen therapy and...

A chemical oxygen iodine laser (COIL) is a near–infrared chemical laser. As the beam is infrared, it cannot be seen with the naked eye. It is capable of...

or ternary acid is an acid that contains oxygen. Specifically, it is a compound that contains hydrogen, oxygen, and at least one other element, with at...

Oxygen is a 1999 thriller film, directed and written by Richard Shepard. The film follows a troubled cop, Madeline Foster (Maura Tierney) as she pursues...

separates atmospheric air into its primary components, typically nitrogen and oxygen, and sometimes also argon and other rare inert gases. The most common method...

Oxygen SpA is an Italian company that manufactures "green vehicles". They produce the Oxygen Electric Cargo-scooter. Oxygen S.p.A. is the first Italian...

atmosphere and then the ocean, but the early atmosphere contained almost no oxygen. Much of Earth was molten because of frequent collisions with other bodies...

anaerobic organism or anaerobe is an organism that does not require molecular oxygen for growth or energy metabolism. Anaerobes produce adenosine triphosphate...

Black Oxygen Organics was a Canadian multi-level marketing (MLM) company which sold dirt at a price of US$110 per package to customers in Canada and the...

In astronomy and atomic physics, doubly ionized oxygen is the ion O2+ (O III in spectroscopic notation). Its emission of forbidden lines in the visible...

singlet oxygen: The reverse reaction, the addition of singlet oxygen to water, typically does not occur in part due to the scarcity of singlet oxygen. In...

lungs providing oxygen, and exhaling the air removing carbon dioxide, in the gas exchange process. All aerobic organisms require oxygen for cellular respiration...

concentrations of oxygen (20.95% O2). Oxygen tolerance varies between species, with some species capable of surviving in up to 8% oxygen, while others lose...

atmosphere is an atmosphere in which oxidation is prevented by the absence of oxygen and other oxidizing gases or vapours, and which may contain actively reductant...

Oxygen-15 labelled water (also known as 15O-water, [O-15]-H2O, or H215O) is a radioactive variation of regular water, in which the oxygen atom has been...

air-entrainment mask, is a medical device to deliver a known oxygen concentration to patients on controlled oxygen therapy. The mask was invented by Moran Campbell...

that makes ATP by aerobic respiration if oxygen is present, but is capable of switching to fermentation if oxygen is absent. Some examples of facultatively...

The Mars Oxygen In-Situ Resource Utilization Experiment (MOXIE) was a technology demonstration on the NASA Mars 2020 rover Perseverance investigating the...

Interstellar oxygen refers to the presence of the element oxygen (atomic or molecular) found in interstellar space. Oxygen is common, being the third...

adequate oxygen cannot reach the damaged area and the body's healing process is unable to function properly. Hyperbaric oxygen therapy increases oxygen transport...

atmosphere caused an ecological crisis, sometimes called the oxygen catastrophe. At first, oxygen would have quickly combined with other elements in Earth's...

Oxygen is the second album by American girl group Wild Orchid, released in 1998. Since its release, the album has sold over 200,000 copies worldwide.[citation...

and sodium perborate. These bleaches are called "non-chlorine bleach", "oxygen bleach", or "color-safe bleach". Reducing bleaches have niche uses, such...

scientist who invents the "Oxygen Destroyer", a devastating superweapon capable of liquefying organic matter by removing oxygen from water. Horrified by...

e., by quantity of molecules), dry air contains 78.08% nitrogen, 20.95% oxygen, 0.93% argon, 0.04% carbon dioxide, and small amounts of other trace gases...

white blood cells, and platelets; it is circulated around the body carrying oxygen and nutrients to the tissues and collecting and disposing of waste materials...

lithium at the anode and reduction of oxygen at the cathode to induce a current flow. Pairing lithium and ambient oxygen can theoretically lead to electrochemical...

Transcutaneous oxygen measurement (TCOM or TcPO2) is a non-invasive method of measuring the oxygen level of the tissue below the skin. Since oxygen is carried...

Oxygen is an EP by American experimental rock band Swans. It was released digitally on November 25, 2014 through frontman Michael Gira's own label, Young...

popularity in December 2024 after videos of him performing while using an oxygen tank went viral and yielded public concern for his health. Blunts began...

least one oxygen atom and one other element in its chemical formula. "Oxide" itself is the dianion (anion bearing a net charge of −2) of oxygen, an O2−...

of hypoxia (reduced supply of oxygen), specifically involving the brain; when the brain is completely deprived of oxygen, it is called cerebral anoxia...

initially with the highest available concentration of oxygen until hyperbaric oxygen therapy (100% oxygen delivered in a hyperbaric chamber) can be provided...

The oxygen-evolving complex (OEC), also known as the water-splitting complex, is the active site of a water-oxidizing enzyme involved in the photo-oxidation...

Hypoxia means a lower than normal level of oxygen, and may refer to: Hypoxia (environmental), abnormally low oxygen content of a specific environment Hypoxia...

carboxyhemoglobin (symbol COHb or HbCO), which prevents the blood from carrying oxygen and expelling carbon dioxide as carbaminohemoglobin. Additionally, many...

Oxygen transmission rate (OTR) is the measurement of the amount of oxygen gas that passes through a substance over a given period. It is mostly carried...

Octaoxygen, also known as ε-oxygen or red oxygen, is an allotrope of oxygen consisting of eight oxygen atoms. This allotrope forms at room temperature...

Oxygen: A Worship Album is the ninth studio album by Lincoln Brewster on Integrity Music. Indicating in a four star review by CCM Magazine, Bert Saraco...

eight-thousanders and the first woman to do so without using supplemental oxygen or high-altitude porters. In 2012, she won the prestigious National Geographic...

kerosene, etc) and oxygen to weld or cut metals. French engineers Edmond Fouché and Charles Picard became the first to develop oxygen-acetylene welding...

cellular respiration, resulting in the body's tissues being unable to use oxygen. Diagnosis is often difficult. It may be suspected in a person following...

Oxygen (Russian: Кислород) is a 2009 Russian musical drama film directed by Ivan Vyrypaev. The film tells about a young guy Sasha, who walks along the...

tissue become damaged, leading to reduced airflow and reduced efficiency of oxygen exchange in the lungs. COPD develops gradually over time, and while it cannot...

Nepalese mountaineer who climbed Mount Everest ten times without supplemental oxygen between 1983 and 1996. His sixth climb set the world record for the most...

Hypoxia refers to low oxygen conditions. Hypoxia is problematic for air-breathing organisms, yet it is essential for many anaerobic organisms. Hypoxia...

Oxygen isotope ratio cycles are cyclical variations in the ratio of the abundance of oxygen with a mass number of 18 to the abundance of oxygen with a...

Liquid oxygen supplements are products that claim to add extra oxygen to the human body, most often through a chemical process in the digestive system...

first Korean to climb all 14 of the eight-thousanders without supplemental oxygen; he also set a record for completing the feat in the shortest time at 7...

the physicist and Nobel laureate Niels Bohr). Hemoglobin's oxygen binding affinity (see oxygen–haemoglobin dissociation curve) is inversely related both...

Semiheavy water (HDO) is more common than pure heavy water, while heavy-oxygen water is denser but lacks unique properties. Tritiated water is radioactive...

A carbon–oxygen bond is a polar covalent bond between atoms of carbon and oxygen. Carbon–oxygen bonds are found in many inorganic compounds such as carbon...

spread rapidly due to combustible nylon material and the high-pressure pure oxygen cabin atmosphere. Rescue was prevented by the plug door hatch, which could...

real time, oxygen enriched air supplied from an oxygen concentrator, high-pressure stored compressed air, supercritical compressed air, oxygen or blended...

Transdermal Continuous Oxygen Therapy (TCOT, also known as Transdermal Continuous Oxygen Wound Therapy) is a wound closure technique for chronic and acute...

An oxygen diffusion-enhancing compound is any substance that increases the availability of oxygen in body tissues by influencing the molecular structure...

lance (oxygen only) and tuyeres in the sides/bottom (oxygen with an inert gas shroud). The stages of blowing remove carbon by the combination of oxygen and...

of dissolved oxygen. Anoxic waters can be contrasted with hypoxic waters, which are low but not completely lacking in dissolved oxygen, often defined...

mixtures and oxygen are the most commonly used gases for this purpose, but oxygen rich trimix blends can also be used after a trimix dive, and oxygen rich heliox...

Since air is composed of approximately 21% oxygen and 79% nitrogen, it makes a difference whether oxygen is considered narcotic, and how narcotic it...

galvanic oxygen sensors in their control circuits to directly monitor oxygen partial pressure during operation. They are also used in oxygen analysers...

supplementary oxygen. By 2013, the feat had been achieved in 7 years and 310 days by South Korean climber Kim Chang, who also did not use supplementary oxygen. Purja...

(NC), also known as nasoinhaler, is a device used to deliver supplemental oxygen or increased airflow to a patient or person in need of respiratory help...

plays an important role in the energy metabolism of living organisms. Free oxygen is produced in the biosphere through photolysis (light-driven oxidation...

      hypotaurine The two substrates of this enzyme are cysteamine and oxygen. Its product is hypotaurine. This enzyme belongs to the family of oxidoreductases...

Oxygen (Dutch: Adem) is a 2010 Belgium/Netherlands drama film directed by Hans Van Nuffel, which won Grand Prix des Amériques, the main prize at the Montreal...

acid The two substrates of this enzyme are 2,3-dihydroxybenzoic acid and oxygen. Its product is 2-carboxy-cis,cis-muconic acid. This enzyme belongs to the...

purposes for measuring gas tension. The most common gas tensions measured are oxygen tension (PxO2), carbon dioxide tension (PxCO2) and carbon monoxide tension...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

temperature, food scarcity, reduced predation pressure and increased dissolved oxygen concentrations in the deep sea. The harsh conditions and inhospitality of...

Oxygen is an office building in Szczecin, Poland, located at 26 Malczewski Street, at the corner with Emancipation Avenue, within the neighbourhood of...

reduction of oxygen. The oxygen incorporated need not be derived from O 2 with 2-oxoglutarate as one donor, and incorporation of one atom of oxygen into each...

oxygen. Small, lightweight teams were the norm. However, the 2004 season saw a great increase in the use of oxygen: 28 of 47 summiteers used oxygen in...

A cryogenic gas plant is an industrial facility that creates molecular oxygen, molecular nitrogen, argon, krypton, helium, and xenon at relatively high...

he had climbed 10 of the 14 eight-thousanders, all without supplemental oxygen and no help from Sherpas. He was the first Bulgarian to climb four of those...

atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O with incorporation of one atom of oxygen (internal...

acid The two substrates of this enzyme are N-acetyl-D-glucosamine and oxygen. Its products are N-acetyl-D-glucosaminic acid and hydrogen peroxide. This...

molecule; not a free radical) and the O's are single oxygen atoms.[page needed][page needed] Oxygen atoms are joined to each other and to adjacent elements...

Nitrogen oxide may refer to a binary compound of oxygen and nitrogen, or a mixture of such compounds: Nitric oxide (NO), nitrogen(II) oxide, or nitrogen...

The Clark electrode is an electrode that measures ambient oxygen partial pressure in a liquid using a catalytic platinum surface according to the net reaction:...

"Love Is Like Oxygen" is a song by English glam rock band Sweet that was released in January 1978. It was co-written by the group's guitarist Andy Scott...

but other mixtures of gases, or pure oxygen, are also used in breathing equipment and enclosed habitats. Oxygen is the essential component for any breathing...

oxygen toxicity becomes a factor at high oxygen concentrations. For this reason, most modern crewed spacecraft use conventional air (nitrogen/oxygen)...

less dense than air. Carbon monoxide consists of one carbon atom and one oxygen atom connected by a triple bond. It is the simplest carbon oxide. In coordination...

(−)-(S)-limonene, reduced nicotinamide adenine dinucleotide phosphate (NADPH), oxygen, and a proton. Its products are (−)-perillyl alcohol, oxidised NADP+, and...

atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O with incorporation of one atom of oxygen (internal...

Deoxidization is a method used in metallurgy to remove the rest of oxygen content from previously reduced iron ore during steel manufacturing. In contrast...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

Oxygen is the third novel by English author, Andrew Miller, released on 6 September 2001 through Sceptre. Although the novel received mixed reviews, it...

reactive oxygen species and the simplest peroxide, a compound having an oxygen–oxygen single bond. It decomposes slowly into water and elemental oxygen when...

cause cyanosis, or blueness of the skin, in babies as a result of low blood oxygen levels. This term traditionally refers to cyanosis as a result of: Cyanotic...

  3-dehydroecdysone The two substrates of this enzyme are ecdysone and oxygen. Its products are 3-dehydroecdysone and hydrogen peroxide. This enzyme belongs...

Oxygen Starvation (Ukrainian: Кисневий голод, romanized: Kisneviy golod) is a 1992 drama film directed by Andriy Donchyk, in his feature film debut. A...

principal means of delivering oxygen (O2) to the body tissues—via blood flow through the circulatory system. Erythrocytes take up oxygen in the lungs, or in fish...

Oxygen Music Works, or OMW, was an Anglo-American independent record label. Founded in 1991 by Andy Shih, its initial, occasional releases (all vinyl)...

contains more carbon than oxygen. Carbon is the fourth most abundant element in the universe by mass after hydrogen, helium, and oxygen. Marc Kuchner and Sara...

at oxygen tensions up to 20kPa. This effect allows hemoglobin in fish with swim bladders to unload oxygen into the swim bladder against a high oxygen gradient...

Girls Club: East Meets West is the seventeenth and final season of the Oxygen reality series Bad Girls Club. As in the title, the final season's cast...

color to a bluish-purple hue, as a result of decrease in the amount of oxygen bound to the hemoglobin in the red blood cells of the capillary bed. Cyanosis...

1953 British expedition could use oxygen from tanks left behind by the Swiss, particularly for their bottled oxygen "sleeping sets". Drägerwerk manufactured...

Oxygen (branded as Oxygen True Crime) is a Canadian discretionary service owned by Bell Media. Based on the American cable network of the same name, the...

apparent oxygen utilization (AOU) is the difference between oxygen gas solubility (i.e. the concentration at saturation) and the measured oxygen concentration...

Water aeration is the process of increasing or maintaining the oxygen saturation of water in both natural and artificial environments. Aeration techniques...

a remake version of the song in Korean as "Love Like Oxygen" (Korean:"산소 같은 너 (Love Like Oxygen). It was released as the first single from The Shinee...

naringenin and oxygen. These are converted into a flavanonol. This enzyme is an oxidase, with systematic name flavanone,2-oxoglutarate:oxygen oxidoreductase...

to gain access to areas for visual inspection (e.g. during colonoscopy). Oxygen can be insufflated into the nose by nasal cannulae to assist in respiration...

renowned for ascending the world's highest mountains without supplemental oxygen. Fischer and Wally Berg were the first Americans to summit Lhotse (8,516...

the world's 8,000 m peaks, many of them solo and without supplementary oxygen. He died in a fall while descending from Annapurna, his tenth 8,000 m summit...

6-dihydroxybenzoic acid The two substrates of this enzyme are quercetin and oxygen. Its products are 2-(3,4-dihydroxybenzoyloxy)-4,6-dihydroxybenzoic acid...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

H2C=O   The three substrates of this enzyme are N6-methyllysine, water, and oxygen. Its products are L-lysine, hydrogen peroxide and formaldehyde. This enzyme...

Myoglobin (symbol Mb or MB) is an iron- and oxygen-binding protein found in the cardiac and skeletal muscle tissue of vertebrates in general and in almost...

with O2 as oxidant and incorporation of two atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O2. The systematic...

former athlete. She is best known for her appearance on the fourth season of Oxygen network's reality television series Bad Girls Club. As of 2021, Nunn has...

tetraoxygen molecule (O4), also called oxozone, is an allotrope of oxygen consisting of four oxygen atoms. Tetraoxygen was first predicted in 1924 by Gilbert N...

and oxygen therapy. He converted the oxygen tent into a closed system and he was among the early proponents of exercise and supplemental oxygen administration...

with an air-supplied respirator in which an alternate supply of fresh air (oxygen tanks) is delivered. According to Popular Mechanics, "The common sponge...

eight-thousanders, all of them without supplemental oxygen (although, he required emergency oxygen on his descent from Makalu in 1988). Carsolio, the eldest...

molecules become excited. As air is composed primarily of nitrogen and oxygen, excited N2 and O2 molecules are produced. These can react with other molecules...

to have formed in sea water as the result of oxygen production by photosynthetic cyanobacteria. The oxygen combined with dissolved iron in Earth's oceans...

1,8-Cineole,NADPH:oxygen oxidoreductase may refer to the following enzymes: 1,8-Cineole 2-endo-monooxygenase 1,8-Cineole 2-exo-monooxygenase This set index...

Micro-oxygenation is a process used in winemaking to introduce oxygen into wine in a controlled manner. Developed in 1991 by Patrick DuCournau, working...

marine oxygen-isotope stages, or oxygen isotope stages (OIS), are alternating warm and cool periods in the Earth's paleoclimate, deduced from oxygen isotope...

are chemicals that induce oxidative stress, either by generating reactive oxygen species or by inhibiting antioxidant systems. The oxidative stress produced...

(recycling) of the substantially unused oxygen content, and unused inert content when present, of each breath. Oxygen is added to replenish the amount metabolised...

ethers are a class of compounds that contain an ether group, a single oxygen atom bonded to two separate carbon atoms, each part of an organyl group...

atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O with incorporation of one atom of oxygen (internal...

oxyhydrogens) are chemical compounds that consist only of hydrogen and oxygen atoms, are bonded exclusively by single bonds (i.e., they are saturated)...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom of oxygen into the...

electricity to convert liquid water (H2O) into gaseous hydrogen (H 2) and oxygen (O 2). The hydrogen produced by electrolysis can be used as fuel or as an...

is any enzyme that oxidizes a substrate by transferring the oxygen from molecular oxygen O2 (as in air) to it. The oxygenases form a class of oxidoreductases;...

that contain O2 as a ligand. The study of these compounds is inspired by oxygen-carrying proteins such as myoglobin, hemoglobin, hemerythrin, and hemocyanin...

An oxygen minimum zone (OMZ) is characterized as an oxygen-deficient layer in the world's oceans. Typically found between 200 m to 1500 m deep below regions...

enhances crew comfort and safety, and is significantly safer than a pure oxygen environment. The various subsystems of the ISS ECLSS regulate atmospheric...

of the body are deprived of the necessary levels of oxygen due to an insufficient supply of oxygen, which may be due to the composition or pressure of...

corrosion of materials occurring in outer space. Instead of moisture and oxygen acting as the primary corrosion causes, the materials exposed to outer space...

Demand Valve Oxygen Therapy (DVOT) is a way of delivering high flow oxygen therapy using a device that only delivers oxygen when the patient breathes in...

according to the amount of oxygen present. When oxygen is present, the indicator oxidizes to a blue colour. In the absence of oxygen, the indicator is reduced...

Baltic Sea hypoxia refers to low levels of oxygen in bottom waters, also known as hypoxia, occurring regularly in the Baltic Sea. As of 2009[update] the...

Oxygen is Avalon's fifth studio album, released on May 22, 2001, and produced by Brown Bannister. The album included six singles that reached #1 on Christian...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with reduced pteridine as one donor, and incorporation of one ato of oxygen into the...

construction and paving material by melting. Oxygen from lunar regolith oxides can be a source for metabolic oxygen and rocket propellant oxidizer. Water ice...

a minimum partial pressure of oxygen of 0.2 bar requires breathing 100% oxygen using an oxygen mask. Emergency oxygen supply masks in the passenger compartment...

diving or for in-water oxygen recompression therapy. Breathing pure oxygen at depths greater than 6 metres (20 ft) can result in oxygen toxicity. Diving cylinders...

Oxygen is a Bangladeshi thespian short film released in 2020. The film is scripted and directed by Raihan Rafi against the backdrop of the COVID-19 pandemic...

The Bottom-blown Oxygen Converter or BBOC is a smelting furnace developed by the staff at Britannia Refined Metals Limited (“BRM”), a British subsidiary...

substitute for petroleum. It is obtained by heating dried biomass without oxygen in a reactor at a temperature of about 500 °C (900 °F) with subsequent cooling...

iodine and oxygen with the chemical formula IO•. A free radical, this compound is the simplest of many iodine oxides. It is similar to the oxygen monofluoride...

dictionary. Anoxia means a total depletion in the level of oxygen, an extreme form of hypoxia or "low oxygen". The terms anoxia and hypoxia are used in various...

Archived from the original on April 26, 2015. Retrieved May 7, 2015. The song "Oxygen" was originally recorded by Hoku from her 2000 self-titled album. Wikiquote...

  methylglyoxal The two substrates of this enzyme are acetylacetone and oxygen. Its products are acetic acid and methylglyoxal. This enzyme belongs to...

can convert to oxygen. The exact cause of the variation of the amount of oxygen in the atmosphere is not known. Periods with much oxygen in the atmosphere...

without using supplemental oxygen". In 2005 at the age of 19 Sherpa climbed the highest peak without using supplementary oxygen. Tashi and his team tried...

affinity to oxygen of the three remaining available binding sites increases; i.e. oxygen is more likely to bind to a hemoglobin bound to one oxygen than to...

prepared by treating the metal with oxygen. Above about 900 °C, the oxide reverts to palladium metal and oxygen gas. It is not attacked by acids. The...

manufacturing, trading, and supply of industrial and medical gases including oxygen, nitrogen, argon, hydrogen, helium, nitrous oxide, acetylene, and specialty...

Leghemoglobin (also leghaemoglobin or legoglobin) is an oxygen-carrying phytoglobin found in the nitrogen-fixing root nodules of leguminous plants. It...

the iron atoms increases as the metal converts to an oxide. Meanwhile, oxygen is reduced as it accepts the released electrons. Although oxidation is commonly...

total oxygen uptake. The octopus' respiratory pigment, hemocyanin, also assists in increasing oxygen uptake. Octopuses can maintain a constant oxygen uptake...

hydroxylated by one oxygen atom of molecular oxygen. Concurrently, the other oxygen atom is reduced to water. Even though molecular oxygen is the electron...

Oxygen of Love is an album by New Zealand singer/songwriter Emma Paki released in 1996. Oxygen Of Love, produced by Crowded House and Supertramp’s Mark...

(−)-menthol, reduced nicotinamide adenine dinucleotide phosphate (NADPH), oxygen, and a proton. Its products are p-menthane-3,8-diol, oxidised NADP+, and...

second gas effect, is a factor that influences the pO2 (partial pressure of oxygen) within the pulmonary alveoli. When water-soluble gases such as anesthetic...

the depletion of oxygen in the surrounding waters. Pulses of increased oxygen levels are linked to increased biodiversity; raised oxygen levels supported...

concentrations of oxygen (21% O2). Aerotolerant anaerobes do not use oxygen but are not harmed by it. When an organism is able to survive in both oxygen and anaerobic...

first and faster[citation needed] process is the removal of hydrogen and oxygen as units of water by the concentrated sulfuric acid. This occurs because...

engines burning liquid methane (the main component of natural gas) and liquid oxygen. Both stages are intended to return to the launch site and land vertically...

accompanying George Finch on the only summit attempt that used supplemental oxygen. Together they set a new mountaineering world record height of 27,300 ft...

measurement of dissolved oxygen concentration in soil or water Oxygen saturation (medicine), The percent of hemoglobin saturated by oxygen, usually in arterial...

actually had very low oxygen levels and no geological evidence of glaciations. The oceans during the Boring Billion may have been oxygen-poor, sulfidic and...

available, cheap and highly energetic. Oxygen is a moderate cryogen as air will not liquefy against a liquid oxygen tank, so it is possible to store LOX...

steady supply of oxygen into the environment. Initially, oxygen levels did not increase substantially in the atmosphere. The oxygen quickly reacted with...

Dioxidanylium, which is protonated molecular oxygen, or just protonated oxygen, is an ion with formula HO+ 2. It is formed when hydrogen containing substances...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with 2-oxoglutarate as one donor, and incorporation of one atom o oxygen into each...

candle wax to vaporize. In this state they can then readily react with oxygen in the air, which gives off enough heat in the subsequent exothermic reaction...

notable event was the first ascent of Mount Everest without supplemental oxygen on 8 May 1978 together with Messner, which was previously thought to be...

1-Deoxy-11-oxopentalenate,NADH:oxygen oxidoreductase may refer to the following enzymes: Pentalenolactone D synthase Neopentalenolactone D synthase This...

observable universe. Five nonmetallic elements—hydrogen, carbon, nitrogen, oxygen, and silicon—make up the bulk of Earth’s atmosphere, oceans, biosphere,...

and 540 million years ago during the Neoproterozoic era, during which the oxygen concentration in Earth's atmosphere and oceans rose significantly. Taking...

are orthanilic acid, reduced nicotinamide adenine dinucleotide (NADH), oxygen and a proton. Its products are 2,3-dihydroxybenzenesulfonic acid, oxidised...

5-dehydro-D-fructose The two substrates of this enzyme are L-sorbose and oxygen. Its products are 5-dehydro-D-fructose and hydrogen peroxide. This enzyme...

Boston Uprising, an Overwatch League team (Founded in 2017 - Folded in 2024) Oxygen Esports, a Rainbow Six Siege team (Founded in 2020) Kraft Analytics Group...

molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in a gas state at room temperature and at normally-encountered...

with catalytic converters. These "two-way" oxidation converters combine oxygen with carbon monoxide (CO) and unburned hydrocarbons (HC) to produce carbon...

of a vacancy defect and an impurity oxygen atom. In general, oxygen in silicon is interstitial, in which the oxygen atom breaks the covalent bond between...

ordinary oxygen molecules containing two oxygen atoms (O2), splitting them into individual oxygen atoms (atomic oxygen); the atomic oxygen then combines...

Usually PAP ventilation will be reserved for the subset of patients for whom oxygen delivered via a face mask is deemed insufficient or deleterious to health...

O2 H2O2   2 CO2   The two substrates of this enzyme are oxalic acid and oxygen. Its products are carbon dioxide and hydrogen peroxide. This enzyme belongs...

peak — the 8,163-metre Manaslu — in Nepal without the aid of supplemental oxygen. In April 2023, Sadpara became the first Pakistani to climb the 8,091-metre...

this enzyme are orcinol, reduced nicotinamide adenine dinucleotide (NADH), oxygen, and a proton. Its products are 2,3,5-trihydroxytoluene, oxidised NAD+,...

(defective in fumarate and nitrate reduction) protein of E. coli is an oxygen – responsive transcriptional regulator required for the switch from aerobic...

100% oxygen for 10 minutes.:141:141 If the cause of the cyanosis is poor oxygen saturation by the lungs, allowing the patient to breathe 100% oxygen will...

oxide, a usually reddish-brown oxide formed by the reaction of iron and oxygen in the catalytic presence of water or air moisture. Rust consists of hydrous...

26 October 2020. "Sakshi Choudhary to do a special song in Gopichand's Oxygen". The Indian Express. 3 December 2016. Archived from the original on 5 October...

poultry, and dairy in the presence of oxygen. In food, oxygen is readily available for lipid oxidation reactions. Oxygen also helps maintain high respiration...

food scraps, sleeping bags, oxygen cylinders, and parts of the oxygen apparatus. Outside he found parts of the oxygen apparatus and the duralumin carriers...

closed-circuit SCBA with a portable oxygen source for providing breathable air when the surrounding atmosphere lacks oxygen or is contaminated with toxic gases...

specifically those acting on paired donors, with oxygen as oxidant and incorporation or reduction of oxygen. The oxygen incorporated need not be derived from O2...

(S)-scoulerine, reduced nicotinamide adenine dinucleotide phosphate (NADPH), and oxygen. Its products are cheilanthifoline, oxidised NADP+, and water. This enzyme...

oxygen in the atmosphere. The medical problems that are direct consequence of high altitude are caused by the low inspired partial pressure of oxygen...

May 1786) was a German-Swedish pharmaceutical chemist. Scheele discovered oxygen (although Joseph Priestley published his findings first), and identified...

ascent of Mount Everest. It was also the first expedition that used bottled oxygen while climbing Everest. The attempt was made from the northern side of Everest...

is the endergonic chemical reaction in which water is broken down into oxygen and hydrogen: 2 H2O → 2 H2 + O2 Efficient and economical water splitting...

is an oxygen-containing bicyclic molecule consisting of an oxepin ring and a benzene ring. There are three isomers, varying in where the oxygen is positioned...

used blown oxygen to improve productivity. The process was used in the UK during the 1960s at a time of transition from open hearth to oxygen-based steelmaking...

maintain homeostasis, with safe levels of substances such as sugar, iron, and oxygen in the blood. The human body is studied by health professionals, physiologists...

N-formylmaleamic acid The two substrates of this enzyme are 2,5-dihydroxypyridine and oxygen. Its product is N-formylmaleamic acid. This enzyme belongs to the family...

atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O with incorporation of one atom of oxygen (internal...

characteristics include pH value, dissolved oxygen concentrations, biochemical oxygen demand (BOD) and chemical oxygen demand (COD), nitrogen, phosphorus, chlorine...

batches. Oxygen is bubbled through the mixture of wastewater and activated sludge to reduce the organic matter (measured as biochemical oxygen demand (BOD)...

to be "saturated" with oxygen, and no further increase in the partial pressure of oxygen will meaningfully increase the oxygen concentration of the blood...

robbing the water of oxygen. A state of hypoxia is created. The fish kill may also be part of a natural 50-year cycle of oxygen levels in the canal, which...

another example of a staged combustion engine, and the first to use liquid oxygen and liquid hydrogen. Its counterpart in the Soviet shuttle was the RD-0120...

It consists of a five membered ring with one carbon and four oxygen atoms. A fifth oxygen atom has a double bond to the carbon. Calculation has resulted...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

semialdehyde The two substrates of this enzyme are 3-hydroxyanthranilic acid and oxygen. Its product is 2-amino-3-carboxymuconic semialdehyde. This enzyme belongs...

eight-thousander mountains, and the 5th person to do so without supplemental oxygen. In 2023, Guinness World Records reclassified the first person to summit...

oxygen barrier. The cornea needs a constant supply of oxygen to remain completely transparent and function as it should; it normally gets that oxygen...

climber who has ascended all 14 eight-thousanders without using supplemental oxygen. He is also known for presenting a TV travel show on Finnish television...

inspired by the British oxygen-enriched torpedoes used on the Nelson-class battleships: a naval officer believed them to be oxygen-fuelled and it led to...

crew's emergency oxygen system storage area, but was unable to conclusively determine the source of ignition, nor the cause of the oxygen leak that fuelled...

organs that allow fish to breathe underwater. Most fish exchange gases like oxygen and carbon dioxide using gills on both sides of the pharynx (throat). Gills...

test is used to determine the concentration of dissolved oxygen in water samples. Dissolved oxygen (DO) is widely used in water quality studies and the routine...

is any member of a family of polyatomic anions consisting of silicon and oxygen, usually with the general formula [SiO(4−2x)− 4−x] n, where 0 ≤ x < 2. The...

mugineic acid The two substrates of this enzyme are 2'-deoxymugineic acid and oxygen. Its product is mugineic acid (a derivative of azetidine-2-carboxylic acid)...

stress reflects an imbalance between the systemic manifestation of reactive oxygen species and a biological system's ability to readily detoxify the reactive...

other reduced pollutants. Oxygen is generally the preferred electron acceptor because of the higher energy yield and because oxygen is required for some enzyme...

ready to boost oxygen to sustain the peripheral organs. The essential difference between venous and arterial blood is the curve of the oxygen saturation of...

called liquid air explosive or liquid oxygen explosive, is an explosive material which is a mixture of liquid oxygen (LOX) with a suitable fuel, such as...

nursing specialty involved in the care of patients receiving hyperbaric oxygen therapy. The National Board of Diving and Hyperbaric Medical Technology...

system, meaning that the arterial oxygen, carbon dioxide, or both cannot be kept at normal levels. A drop in the oxygen carried in the blood is known as...

various proteins, especially as a component of hemoglobin, which carries oxygen in the bloodstream. It is composed of four pyrrole rings with two vinyl...

aquatic organism exchanges respiratory gases with water, obtaining oxygen from oxygen dissolved in water and excreting carbon dioxide and some other metabolic...

inability of cells to take up or use oxygen from the bloodstream, despite physiologically normal delivery of oxygen to such cells and tissues. Histotoxic...

1953, as the Kuwait Oxygen and Acetylene Company. It was the first gas manufacturer in Kuwait to provide industrial gases such as oxygen and nitrogen to the...

2-formylphenylformamide The two substrates of this enzyme are indole and oxygen. Its product is 2-formylphenylformamide. This enzyme belongs to the family...

elements a fire needs to ignite: heat, fuel, and an oxidizing agent (usually oxygen). A fire naturally occurs when the elements are present and combined in...

disorders Chronic dysbaric disorders Hyperbaric oxygen therapy basis – Physiology and pathology Oxygen toxicity Pressure and inert gas effects Nitrogen...

the use of supports such as fixed ropes, aluminum ladders, supplementary oxygen, and sherpa climbers. By its nature, expedition climbing often requires...

enzyme are vanillic acid, reduced nicotinamide adenine dinucleotide (NADH), oxygen, and a proton. Its products are protocatechuic acid, oxidised NAD+, water...

facemask, etc.) is a device used in medicine to assist in the delivery of oxygen therapy. A NRB requires that the patient can breathe unassisted, but unlike...

ice can be used as a coolant. It is very important to maintain adequate oxygen levels in the livewell. It should be above 5 parts per million. Electric...

recirculates the breathing gas exhaled by the diver after replacing the oxygen used and removing the carbon dioxide metabolic product. Rebreather diving...

the Sun colliding with atoms in the atmosphere. These collisions excite oxygen and nitrogen, which then emit light of different colors such as green, red...

transport oxygen throughout the bodies of some invertebrate animals. These metalloproteins contain two copper atoms that reversibly bind a single oxygen molecule...

"Oxygen" is a song by British new rave band Hadouken!. It was released as the second single from their third studio album Every Weekend on 7 November 2010...

homeostatic reflexes. It optimises respiration by preferentially distributing oxygen stores to the heart and brain, which allows extended periods underwater...

atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O with the incorporation of one atom of oxygen (internal...

the effects of high altitude on the human body, especially hypoxia (low oxygen) and hypobaria (low ambient air pressure). Some chambers also control for...

high-performance oxidizers. Several practical liquid oxidizers (liquid oxygen, dinitrogen tetroxide, and hydrogen peroxide) are available which have better...

partial pressure of alveolar oxygen (pAO2). The equation is used in assessing if the lungs are properly transferring oxygen into the blood. The alveolar...

argon and oxygen. Occasionally the term argonox has been used to mean the same mix. The blend may consist of varying fractions of argon and oxygen, depending...

(−)-(S)-limonene, reduced nicotinamide adenine dinucleotide phosphate (NADPH), oxygen and a proton. Its products are (−)-trans-carveol, oxidised NADP+, and water...

high oxygen content of the Late Carboniferous (though this is contradicted by the presence of giant meganisopterans in the Late Permian, after oxygen levels...

using supplementary oxygen while climbing. D'Aubarede said it was wrong to climb alone and attempt summiting without supplementary oxygen. In emails to other...

the seabed, displacing the often oxygen-depleted water in the deep basins. Simultaneously, it transports new oxygen-rich water to the deep basins. These...

the first oxygen-producing cyanobacteria, which helped raise oxygen levels in the atmosphere, making Earth more habitable for other oxygen-using organisms...

radical into normal molecular oxygen (O2) and hydrogen peroxide (H 2O 2). Superoxide is produced as a by-product of oxygen metabolism and, if not regulated...

form of respiration in which a normally air-breathing organism breathes an oxygen-rich liquid which is capable of CO2 gas exchange (such as a perfluorocarbon)...

earth motion; CO2 analyser – to measure CO2; Dissolved Oxygen sensor – to measure dissolved oxygen; Fluorometers – to measure Chlorophyll; Turbidity sensor...

Brin's Oxygen Company was formed in 1886, by two French brothers, Arthur and Léon Brin. In the early years, the company manufactured oxygen using a high-temperature...

mass spectrometry led to the adoption of oxygen-16 as the standard substance, in lieu of natural oxygen. The oxygen-16 definition was replaced with one based...

  benzoic acid The substrates of this enzyme are an aromatic aldehyde, oxygen, and water. Its two products are the corresponding aromatic carboxylic acid...

ceramic, electrolyte to produce hydrogen gas (and/or carbon monoxide) and oxygen. The production of pure hydrogen is compelling because it is a clean fuel...

main oxygen cylinders are on the diver's back. The oxygen cylinders at the front of the diver are for bailout. In its basic mode it was an oxygen rebreather;...

CYP90C1) is an enzyme with systematic name 3-epi-6-deoxocathasterone,NADPH:oxygen oxidoreductase (C-23-hydroxylating). This enzyme catalyses the following...

toxic gas which reduces or displaces the normal oxygen concentration in breathing air. Breathing of oxygen-depleted air can lead to death by asphyxiation...

transport oxygen to the body's tissues. The oxygen technology uses hemoglobin-based oxygen carrying molecules in solution (HBOCs) to increase oxygen transfer...

engine burning liquid hydrogen and liquid oxygen in a staged combustion cycle. It is China's first hydrogen-oxygen engine to use the staged combustion cycle...

occurred at the end of the period, caused by climate change. Atmospheric oxygen levels, originally thought to be consistently higher than today throughout...

between respirometry and bioenergetics, where measurements of the rates of oxygen consumption (VO2) and the generation of waste products such as carbon dioxide...

simply breathing apparatus. Unofficial names include air pack, air tank, oxygen cylinder or simply pack, terms used mostly in firefighting. If designed...

produced from the microbial breakdown of organic matter in the absence of oxygen, such as in swamps and sewers; this process is commonly known as anaerobic...

is an early model of British naval oxygen rebreather made by Siebe Gorman. It was arranged like a UBA, but its oxygen cylinder is smaller. It was so called...

H2O2   trimethylglycine The two substrates of this enzyme are choline and oxygen. The first reaction gives betaine aldehyde and hydrogen peroxide. The aldehyde...

Chavez released on June 6, 2016. Smino later released a live-performance of "Oxygen" on SBTV. In a review, James Elliott of Earmilk said "Chicago has been pumping...

studied to date. It optimizes respiration by preferentially distributing oxygen stores to the heart and brain, enabling submersion for an extended time...

Quvenzhané Wallis, Common, and Sam Worthington. The film is set in a world where oxygen levels on Earth have dropped making it impossible to live on the planet's...

carbon hexaoxide is an oxide of carbon with an unusually large proportion of oxygen. The molecule has been produced and studied at cryogenic temperatures. The...

that is used to generate singlet oxygen. When TPPO is mixed with amines, the ozonide breaks down into singlet oxygen and leaves behind triphenyl phosphate...

element. For example, each molecule of oxygen (O2) is composed of two oxygen atoms. Therefore, the atomicity of oxygen is 2. In older contexts, atomicity...

loganin, reduced nicotinamide adenine dinucleotide phosphate (NADPH), and oxygen. Its products are secologanin, oxidised NADP+, and water. This enzyme belongs...

aquatic animals use for aquatic gas exchange, i.e. to extract dissolved oxygen from water and to excrete carbon dioxide. Branchia (pl.: branchiae, from...

+6 oxidation state. It is a very powerful oxidizing agent, and liberates oxygen from water slowly, accelerated by exposure to sunlight. It is dangerously...

electronegativity. Atoms with high electronegativities – such as fluorine, oxygen, and nitrogen – exert a greater pull on electrons than atoms with lower...

The three substrates of this enzyme are indole-3-acetaldehyde, water, and oxygen. Its products are indole-3-aceticacid and hydrogen peroxide. This enzyme...

factors include temperature, burning, humidity, and the availability of oxygen. Other factors include body size, clothing, and the cause of death. The...

Joseph Naso Helps Link Him To Other Crimes from Behind Bars". Oxygen. August 19, 2025. "Oxygen Taps Legendary NYC Death Investigator for New Dick Wolf True-Crime...

in order to enhance athletic performance. Because such blood cells carry oxygen from the lungs to the muscles, a higher concentration in the blood can improve...

A Light-oxygen-voltage-sensing domain (LOV domain) is a protein sensor used by a large variety of higher plants, microalgae, fungi and bacteria to sense...

who found the correct explanation of the combustion as a reaction with oxygen from the air. Joseph Louis Gay-Lussac recognized in 1808 that gases always...

into oxygen and protons: 2 H2O → 4 H+ + 4 e− + O2 Many catalysts are effective, both homogeneous catalysts and heterogeneous catalysts. The oxygen evolving...

isoflavonoid synthase) is an enzyme with systematic name liquiritigenin,NADPH:oxygen oxidoreductase (hydroxylating, aryl migration). It catalyses a rearrangement...

The Glee Project is an American reality television series from Oxygen. It served as an audition for the Fox musical comedy series Glee, and the prize for...

"Biological role of oxygen" can mean: Dioxygen in biological reactions, biological role of the dioxygen (O2) substance Compounds of oxygen § Organic compounds...

altitude or coma and death can occur. Patients are usually given supplemental oxygen and dexamethasone as well. HACE can be prevented by ascending to heights...

Siemens-Martin processes. Currently, two major commercial processes are used. Basic oxygen steelmaking (BOS) uses liquid pig iron from a blast furnace and scrap steel...

member of the vertebrate globin family involved in cellular oxygen homeostasis and reactive oxygen/nitrogen scavenging. It is an intracellular hemoprotein...

and oxygen. Its products are 25-hydroxycholesterol, the electron acceptor, and water. This enzyme is an oxidoreductase, that uses molecular oxygen as oxidant...

with the molecular formula K2O2. It is formed as potassium reacts with oxygen in the air, along with potassium oxide (K2O) and potassium superoxide (KO2)...

mask (SFM) is a basic disposable mask, made of clear plastic, to provide oxygen therapy for patients who are experiencing conditions such as chest pain...

the main oxygen carrier protein in the human fetus. Hemoglobin F is found in fetal red blood cells, and is involved in transporting oxygen from the mother's...

present in the unfrozen saltwater are oxidized in contact with atmospheric oxygen. The more soluble ferrous ions initially are dissolved in old seawater trapped...

enzyme are biphenyl, reduced nicotinamide adenine dinucleotide (NADH), oxygen, and a proton. Its products are (1S,2R)-3-phenylcyclohexa-3,5-diene-1,2-diol...

glow starters. Argon has approximately the same solubility in water as oxygen and is 2.5 times more soluble in water than nitrogen. Argon is colorless...

α-O (alpha-oxygen) is a reactive oxygen species formed from an oxygen-atom abstraction (OAT) from nitrous oxide (N2O) by alpha-iron (α-Fe) catalysts. The...

Hydreliox or helihydrox is a breathing gas mixture of hydrogen, helium, and oxygen. It is used primarily for research and scientific deep diving, usually below...

occur as the result of traumatic brain injury, brain hypoxia (inadequate oxygen, possibly due to a brain infarction or cardiac arrest), severe intoxication...

Scandinavian to climb Mount Everest without oxygen. He made a solo ascent of Mount Everest without bottled oxygen or Sherpa support on 23 May 1996, after...

master caution light. The passenger oxygen light illuminated when, at an altitude around 18,000 feet (5,500 m), the oxygen masks in the passenger cabin automatically...

4-Aminobutanal + NH3   The 3 substrates of this enzyme are putrescine, water, and oxygen. Its products are 4-aminobutanal, hydrogen peroxide, and ammonia. This enzyme...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

anthranilic acid The two substrates of this enzyme are 2,3-dihydroxyindole and oxygen. Its two products are anthranilic acid and carbon dioxide. This enzyme belongs...

at the anode and the reduction of oxygen from the air at the cathode. Because the cathode active material (oxygen) is not stored within the battery but...

A flow-restricted, oxygen-powered ventilation device (FROPVD), also referred to as a manually triggered ventilation device (MTV), is used to assist ventilation...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with reduced ascorbate as one donor, and incorporation of one atom of oxygen into the...

enzyme are 2-phenylphenol, reduced nicotinamide adenine dinucleotide (NADH), oxygen, and a proton. Its products are biphenyl-2,3-diol, oxidised NAD+, and water...

Other effects on oceans include sea ice decline, reducing pH values and oxygen levels, as well as increased ocean stratification. All this can lead to...

and cyanosis. The primary treatment is descent to a lower altitude, with oxygen therapy and medication as alternatives. If HAPE is not treated, there is...

enzyme are naphthalene, reduced nicotinamide adenine dinucleotide (NADH), oxygen and a proton. Its products are (1R, 2S)-cis 1,2 dihydroxy-1,2-dihydronaphthalene...

an iron-nickel core. It has a very thin atmosphere composed primarily of oxygen. Europa has a pale, geologically young surface striated by light tan cracks...

Mox-Linde Gases Sdn. Bhd. (formerly known as Malaysia Oxygen Berhad or MOX) was a Malaysian industrial gases company. Established in 1960, MOX specializes...

H2C=O   The three substrates of this enzyme are dimethylglycine, water and oxygen. Its products are sarcosine, hydrogen peroxide, and formaldehyde. The enzyme...

In biochemistry, the oxygen rebound mechanism is the pathway for hydroxylation of organic compounds by iron-containing oxygenases. Many enzymes effect...

medical treatment providing respiratory support by delivering a flow of oxygen of up to 60 liters per minute to a patient through a large-bore or high-flow...

on the CH-OH group of donor with oxygen as acceptor. The systematic name of this enzyme class is (S)-malate:oxygen oxidoreductase. Other names in common...

polar molecules such as water due to the negative charge localized on the oxygen and therefore directly attack the carbonyl group. Upon hydrolysis, an ester...

partial pressure of oxygen (pO2) of the gas mix exceeds an acceptable limit. This limit is based on risk of central nervous system oxygen toxicity, and is...

discovered, isolated for the first time in 1669 by Henning Brand. When in an oxygen-containing atmosphere, it will exhibit a faint green glow in the absence...

(4-hydroxyacetophenone), reduced nicotinamide adenine dinucleotide phosphate (NADPH), oxygen, and a proton. Its products are hydroquinone monoacetate, oxidised NADP+...

was wearing no hat, no gloves, no sunglasses, had no oxygen mask, regulator, ice axe, oxygen, no sleeping bag, no mattress, no food nor water bottle...

introduce oxygen into organic and inorganic compounds. Many applications, including the focus of this article, involve oxidation by oxygen. Such processes...

The Indiana Oxygen Company Building is a historic industrial building located at Indianapolis, Indiana. It was built in 1930, and consists of a two-story...

system consisting of four carbon atoms and one oxygen atom. The name derives from its similarity to the oxygen heterocycle furan, but the furanose ring does...

(S)-cheilanthifoline, reduced nicotinamide adenine dinucleotide phosphate (NADPH), and oxygen. Its products are (S)-stylopine, oxidised NADP+, and water. This enzyme...

daughter Frieda. Ingenious Pain (1997, Sceptre) Casanova (1998, Sceptre) Oxygen (2001, Sceptre) The Optimists (2005, Sceptre) One Morning Like a Bird (2008...

combustion of these compounds is roughly proportional to the amount of oxygen consumed, which proportionally increases the amount of air that has to be...

sextuple bonds to be six. In most compounds, the valence of hydrogen is 1, of oxygen is 2, of nitrogen is 3, and of carbon is 4. Valence is not to be confused...

environment of inadequate oxygen supply. It is the period of time from the interruption of the oxygen supply or exposure to an oxygen-poor environment to the...

areas of science. Priestley is credited with his independent discovery of oxygen by the thermal decomposition of mercuric oxide, having isolated it in 1774...

little or no oxygen can flow into the compartment. Then, because fires reduce oxygen, the oxygen concentration decreases. When the oxygen concentration...

for oxygen. In this process barium oxide reacts at 500–600 °C with air to form barium peroxide which decomposes at above 800 °C by releasing oxygen. 2...

and all six on board were incapacitated and killed by hypoxia, a lack of oxygen in the brain and body. The aircraft continued climbing past its assigned...

atoms of oxygen into the substrate (oxygenases). The oxygen incorporated need not be derived from O with incorporation of one atom of oxygen (internal...

enzyme are taxifolin, reduced nicotinamide adenine dinucleotide (NADH), oxygen, and a proton. Its products are dihydrogossypetin, oxidised NAD+, and water...

the CH-OH group of donor with oxygen as acceptor. The systematic name of this enzyme class is L-2-hydroxyphytanate:oxygen 2-oxidoreductase. This enzyme...

A flame is affected by the fuel introduced and the oxygen available. A flame with a balanced oxygen-fuel ratio is called a neutral flame. The color of...

composition of two hydrogen atoms bonded to a single oxygen atom (i.e. H2O). The atomic ratio of hydrogen to oxygen is always 2:1 in every molecule of water. Pure...

oxygen as well as protect against hypoxia by scavenging reactive oxygen species . The predicted function of cytoglobin is the facilitation of oxygen among...

cystic fibrosis, COPD and other respiratory diseases or disorders. They use oxygen, compressed air or ultrasonic power to break up solutions and suspensions...

fluid that circulates inside arthropod bodies transporting nutrients and oxygen to tissues, comparable to blood in vertebrates. It is composed of a plasma...

leukotriene B4, reduced nicotinamide adenine dinucleotide phosphate (NADPH), oxygen and a proton. Its products are 20-hydroxy-leukotriene B4, oxidised NADP+...

that has some or all of the oxygen removed from the melt during the steelmaking process. Liquid steels contain dissolved oxygen after their conversion from...

formula is a formula used in indirect calorimetry, relating metabolic rate to oxygen consumption and carbon dioxide production. According to original source...

reaction involving the removal of oxygen atoms from a molecule. The term also refers to the removal of molecular oxygen (O2) from gases and solvents, a...

substrates of this enzyme are 3,4-dihydroxy-trans-cinnamate (caffeic acid) and oxygen, whereas its product is 3-(2-carboxyethenyl)-cis,cis-muconate. This enzyme...

Inert Gas), respectively). Their purpose is to protect the weld area from oxygen and water vapour. Depending on the materials being welded, these atmospheric...

reduction of oxygen. The oxygen incorporated need not be derived from O2 with NADH or NADPH as one donor, and incorporation of one atom o oxygen into the...

combination with oxygen for heating, soldering, brazing and even welding because of its high flame temperature of 2925 °C (5300 °F) in oxygen. Although acetylene...

subunits and decreases the affinity for oxygen and allosterically promotes the release of the remaining oxygen molecules bound to the hemoglobin. Therefore...