flotation constant

(redirected from negative S)

flo·ta·tion con·stant (Sf),

characteristic sedimentation behavior of a lipoprotein fraction of plasma in a centrifugal field in a medium of appropriate density, achieved by adding a salt or D2O to the plasma.

flo·ta·tion con·stant

(Sf) (flō-tā'shŭn kon'stănt)
Characteristic sedimentation behavior of a lipoprotein fraction of plasma in a centrifugal field in a medium of appropriate density, achieved by adding a salt or D2O to the plasma.
Synonym(s): Svedberg of flotation.
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The purpose of the adjustment is (1) to prevent these items from being recognized a second time upon P's disposition of its S stock and (2) to cause P to recapture certain losses recognized by S when P has a negative S stock basis (a so-called excess loss account).