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an apparatus for separating proteins in solution by electrophoresis and thus for determining the isoelectric point, molecular weight, and related physical properties; the direction and rate of migration of the protein and the characteristics of the boundary phase between the protein solution and the supernatant salt solution are recorded by photography of the changes in refractive index at the boundary.
Tiselius,Arne, Swedish biochemist and Nobel laureate, 1902-1971.
Tiselius apparatus - used to separate proteins in solution by electrophoresis.
Tiselius electrophoresis cell - the special container in a Tiselius apparatus containing the solution to be analyzed by electrophoresis.