ultrastructural observations in combination with electron probe x-ray microanalysis on detergent ( brij 58 ) permeabilized ( disruption of the plasma membrane ) nucleated chicken erythrocytes support the view that a large fraction of cytoplasmic and nuclear k+ is not freely diffusible and that adsorption of k+ on detergent released mobilizable proteins exists within the cell .
C0010834
cytoplasmic
C0007634
cell