define oxygen labile
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Streptolysin Streptolysin is a streptococcal hemolytic exotoxin. Types include streptolysin O (SLO), which is oxygen-labile, and streptolysin S (SLS), which is oxygen-stable. An antibody, antistreptolysin O, can be detected in an antistreptolysin O titre. Streptolysin O is hemolytically active only in a reversibly reduced state, unlike streptolysin S, which is stable in the presence of oxygen. Another difference is that that SLO is antigenic, while SLS is not antigenic due to its small size.
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- FIG. 2. Arterial hemoglobin saturation (8,02), arterial oxygen tension (P,oa), and alveolar oxygen tension (PAoa) in eighteen patients with obstructive pul- monary emphysema. The shaded area encloses ± 2 S. D. from the mean (horizontal line) and is based on meas- urements obtained in fourteen normal subjects. species.
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- pulse oximeter, a device that measures the amount of saturated hemoglobin in the tissue capillaries by transmitting a beam of light through the tissue to a receiver.ulse oximeter, a device that measures the amount of saturated hemoglobin in the tissue capillaries by transmitting a beam of light through the tissue to a receiver.
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OXYGEN By comparison, nascent oxygen has only one atom per molecule. The formula is simply O, or sometimes (O). The parentheses indicate that nascent oxygen does not exist very long under normal conditions. It has a tendency to form dioxygen: That is, dioxygen is the normal condition of oxygen at room temperature.
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What is oxygen? What is oxygen? Oxygen is a non-metallic element that constitutes for 21% of air. In humans, oxygen is primarily absorbed via the lungs and carried around the body in blood cells to provide the key element for cellular activity. The average level of oxygen in the blood is approximately 96% and if this oxygen consumption lowers over time, your health can be affected.
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oxygen deprivation definition, oxygen deprivation meaning | English dictionary oxygen deprivation definition, oxygen deprivation meaning | English dictionary. oxygen. a a colourless odourless highly reactive gaseous element: the most abundant element in the earth's crust (49.2 per cent). It is essential for aerobic respiration and almost all combustion and is widely used in industry.
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Oxygen saturation In medicine, oxygen saturation refers to oxygenation, or when oxygen molecules (O 2) enter the tissues of the body. In this case blood is oxygenated in the lungs, where oxygen molecules travel from the air and into the blood.
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oxygen saturation the state of being saturated, or the act of saturating. oxygen saturation the amount of oxygen bound to hemoglobin in the blood, expressed as a percentage of the maximal binding capacity. 1 the fraction of the hemoglobin molecules in a blood sample that are saturated with oxygen at a given partial pressure of oxygen. Normal saturation is 95% to 100%. 2 percentage of hemoglobin-bound oxygen compared to total capacity of the hemoglobin.
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OXYGEN Oxygen is the first element in Group 16 (VIA) of the periodic table. The periodic table is a chart that shows how chemical elements are related to each other. The elements in Group 16 are said to belong to the chalcogen family. Other elements in this group include sulfur, selenium, tellurium, and polonium. The first two members of the family, oxygen and sulfur, are found in most ores. Oxygen is by far the most abundant element in the Earth's crust. Nearly half of all the atoms in the earth are oxygen atoms. Oxygen also makes up about one-fifth of the Earth's atmosphere.
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Liquid Oxygen Liquid oxygen is a cryogenic liquid. Cryogenic liquids are liquefied gases that have a normal boiling point below –130°F (–90°C). Liquid oxygen has a boiling point of –297°F (–183°C). Because the temperature difference between the product and the surrounding environment is substantial—even in the winter—keeping liquid oxygen insulated from the surrounding heat is essential. The product also requires special equipment for handling and storage.
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- Answer Under normal conditions of temperature and pressure, oxygen gains electrons. The outermost orbital in an oxygen atom has four electrons., i.e., the outermo … st orbit has six electrons. Hence, to reach the octet configuration, oxygen can take two more electrons. Thus, oxygen is electronegative.
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oxygen Physical properties. Oxygen is a colorless gas that liquifies at — 182.9°C and normal pressure to a pale blue liquid, which, in turn, solidifies at — 218.7°C forming blue crystals. The density of gaseous oxygen (at 0°C and normal pressure) is 1.42897 g/l.
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oxyhemoglobin saturation oxyhemoglobin saturation. oxyhemoglobin saturation, the amount of oxygen actually combined with hemoglobin, expressed as a percentage of the oxygen capacity of that hemoglobin.
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Flammability limit Lower explosive limit. Lower explosive limit (LEL): The lowest concentration (percentage) of a gas or a vapor in air capable of producing a flash of fire in presence of an ignition source (arc, flame, heat). The term is considered by many safety professionals to be the same as the lower flammable limit (LFL).
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What is Oxygen? Oxygen is a colorless, odorless, tasteless gaseous chemical element which appears in great abundance on Earth, trapped by the atmosphere. Many people are familiar with oxygen, because it is a vital component of the respiration process; without it, most organisms will die within minutes.
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- Define Oxygen deprivation. Oxygen deprivation synonyms, Oxygen deprivation pronunciation, Oxygen deprivation translation, English dictionary definition of Oxygen deprivation. n. A condition in which an extreme decrease in the concentration of oxygen in the body accompanied by an increase in the concentration of carbon dioxide...
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oxygen saturation the fraction of the hemoglobin molecules in a blood sample that are saturated with oxygen at a given partial pressure of oxygen. Normal saturation is 95%-100%.
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- Oxygen saturation (medicine) Oxygen saturation is a term referring to the fraction of oxygen-saturated hemoglobin relative to total hemoglobin (unsaturated + saturated) in the blood. The human body requires and regulates a very precise and specific balance of oxygen in the blood. Normal blood oxygen levels in humans are considered 95-100 percent.
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- minutes of exposure. Laboratory. Normal oxygen saturation may be noted when using a pulse oximeter, despite the fact that the patient may be in severe respiratory distress. There is high arterial oxygen content to venous blood because oxygen is not extracted from arterial blood by the cells.
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- Teamwork is a critical part of any successful recycling program. The team. leader, or program coordinator, should be the individual most capable of planning and monitoring the. program, so that it will run smoothly and effectively. The team should include. teachers, students, custodial staff and perhaps cafeteria staff.
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oxygen It is used as a tracer in the measurement of regional blood volume and flow and oxygen metabolism by positron emission tomography. oxygen analyzer an instrument that measures the concentration of oxygen in a gas mixture.
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labile Unstable; unsteady, not fixed; denoting: 1. An adaptability to alteration or modification, that is, relatively easily changed or rearranged. 2. Certain constituents of serum affected by increases in heat. 3. An electrode that is kept moving over the surface during the passage of an electric current. 4. In psychology or psychiatry, denoting free and uncontrolled mood or behavioral expression of the emotions. 5. Easily removable, for example, a labile hydrogen atom.
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- Alveoli: The plural of alveolus. The alveoli are tiny air sacs within the lungs where the exchange of oxygen and carbon dioxide takes place.
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Dissolved oxygen Definition noun The amount of free oxygen dissolved in water, expressed in mg/L, parts per million (ppm), or in percent of saturation, i.e. where saturation pertains to the maximum amount of oxygen that can be dissolved theoretically in water at a particular altitude and temperature
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WHAT DOES AN OXYGEN SENSOR DO? What is an Oxygen Sensor? The oxygen sensor, also known as a lambda sensor, was developed in the late 1960s by Dr. Gunter Bauman for the Robert Bosch GmbH company. This sensor is an electronic device used to measure the proportional amount of oxygen in a liquid or gas. The original oxygen sensor was made using ceramic coated zirconia and platinum. In order to make the O2 sensor more capable of mass production, planar oxygen sensors were developed.