crossed electrophoresis

crossed electrophoresis

[′krȯst i‚lek·trō·fə′rē·səs] (immunology) Immunoelectrophoresis that uses an initial separation along one axis of the plate, after which only a strip of medium along the axis is preserved; new medium containing antisera is poured beside the strip, the plate is turned 90°, and electrophoresis is resumed.