PHOSPHOLIPID vesicles (liposomes1) have been used extensively as models for natural
membranes1, 2. Multilamellar vesicles are incorporated by mammalian cells both in vivo 3, 4 …

The uptake of liposomes bearing positive, negative, or no net charge on their membrane
and containing a radioactive tracer,[99m Tc] diethylenetriamine pentaacetic acid, was …

Materials and Methods Preparation of Vesicles. Dispersions of small unilamellar vesicles
were prepared as follows. Sixty micromoles of 1, 2-dipalmitoyl-3-j «-phosphatidylcholine …

The interaction of propranolol with model phospholipid membranes was studied using
various experimental techniques. The partition coefficient of propranolol in the negatively …

The effects of phagocytosis on plasma membrane microviscosity were studied by
fluorescence depolarization techniques. It was shown that lipophilic probes are accumulated …

Dick Hoekstra abstract: The effects of Ca2+ and Mg2+ on the fluorescence behavior of the
phospholipid analogues 1-acyl-2-[6-[(7-nitro-2, 1, 3-benzoxadiazol-4-yl) amino] caproyl] …

AL Larrabee abstract: The results of transmission electron microscopic and ultracentrifugal
studies of the size distributions of so-nicated distearoylphosphatidylcholine vesicles are …

The water soluble polymer, poly (ethylene glycol), causes aggregation of sonicated vesicles
of dimyristoylphosphatidylcholine in a manner consistent with a steric exclusion …

The influence of divalent cations, and pH on the behaviour of phosphatidylserine, derived
from egg phosphatidylcholine, has been examined employing 31 P-NMR techniques. The …

Department of Zoology, University of California at Davis, Davis, California 95616 Received
February 14, 1984 abstract: Polylysine promoted extensive membrane mixing of liposomes …