Medical Definition of Cell electrophoresis

1. A method for estimating the surface charge of a cell by looking at its rate of movement in an electrical field. Almost all eukaryotic cells have a net negative surface charge. Measurement is complicated by the streaming potential at the wall of the chamber itself and by the fact that the cell is surrounded by a layer of fluid (see double layer). The electrical potential measured (the zeta potential) is actually some distance away from the plasma membrane. One of the more useful modifications is to systematically vary the pH of the suspension fluid to determine the pK of the charged groups responsible (mostly carboxyl groups of sialic acid). (26 Mar 1998)

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Lexicographical Neighbors of Cell Electrophoresis

cell culture
cell cycle
cell cycle proteins
cell cycle restriction point
cell death
cell degranulation
cell determination
cell differentiation
cell disruption
cell division
cell division cycle gene
cell division cycle mutant
cell division phases
cell divisions
cell doctrine
cell electrophoresis (current term)
cell extracts
cell fate
cell fractionation
cell fusion
cell group
cell groups
cell growth
cell hybridization
cell hypoxia
cell inclusions
cell junction
cell line
cell line rights
cell lineage

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