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We have studied the interaction between flagellated cell envelopes from Escherichia coli and liposomes. Oligolamellar liposomes of ca. 0.45-pm diameter, composed of azolectin, phosphatidylserine, and cholesterol at a molar ratio of 7: 1 :2, were prepared by freezing and thawing and subsequent extrusion through polycarbonate filters. These liposomes exhibited high entrapment capacity and low leakiness. Liposome-cell envelope interaction was monitored flow cytometrically in adoi:10.1021/bi00298a026 pmid:6367823 fatcat:iboqhsfpanhdrliwtwezwmglue