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Sedimentation constant

sedimentation constant n.
A unit of time, usually between 1×10-13 and 200×10-13 per second, used in calculating the molecular weight of proteins as a function of their rate of movement during centrifugation.


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  • Sedimentation rate

    sedimentation rate n. The degree of rapidity with which red blood cells sink in a specimen of drawn blood.

  • Sedimentation tank

    noun 1. a tank into which sewage is passed to allow suspended solid matter to separate out

  • Sedimentation test

    sedimentation test n. A radiographic procedure for viewing the stomach, in which a mixture of a contrast salt, such as barium or bismuth, and water is used to coat the stomach wall, thus allowing visualization of the shape and movement of the organ as well as lesions on the anterior or posterior wall.

  • Sedimentator

    sedimentator sed·i·men·ta·tor (sěd’ə-mən-tā’tər) n. A centrifuge.

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