Svedberg unit

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Svedberg unit (S) The unit in which the sedimentation factor is expressed. It is equal to 10–13 seconds and is written with no space between the number and the symbol (e.g. 70S). It is named after Theodor Svedberg (1884–1971), the Swedish chemist who developed the technique of centrifugation for the study of colloids and macromolecules, for which he was awarded a Nobel Prize in 1926. See MITOCHONDRION; RIBOSOME.

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