User:Invay64/sandbox
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A bioreactor is a vessel or system in which a chemical process is carried out which involves cultured cells or biochemically active substances derived from organisms. These process may either be aerobic, in which oxygen is continuously fed into and dispersed within the reactor, or anaerobic, without the addition of oxygen. Bioreactors are commonly cylindrical, ranging in size from liters at the lab scale to cubic meters at the industrial scale.[1] In many industries, bioreactor refers to a device or system designed to culture cells that have been genetically modified in order produce a desired biological product such as biosynthetic insulin, or monoclonal antibodies. Bioreactor type devices are frequently used in industries such as tissue engineering, biochemical/bioprocess engineering, sewage treatment and biopharmaceuticals.
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On the basis of mode of operation, a bioreactor may be classified as batch in which both inputs and products are periodically removed, fed batch in which only inputs are continuously added or continuous, in which both inputs and products are continuously cleared from the system.