Reports

Plasma membrane: rapid isolation and exposure of the cytoplasmic surface by use of positively charged beads

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Science  21 Jan 1977:
Vol. 195, Issue 4275, pp. 302-304
DOI: 10.1126/science.831278

Abstract

Erythrocytes were ionically attached to polylysine-coated beads 30 micrometers in diameter. The binding of the cells was so tenacious that lysis or disruption of the attached cells left the beads covered by plasma membranes whose cytoplasmic surface was exposed and accessible for further analysis.