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Tuesday, July 28, 2020 | History

3 edition of Phospholipid vesicles (liposomes) as models for biological membranes found in the catalog.

Phospholipid vesicles (liposomes) as models for biological membranes

Demetrios Papahadjopoulos

Phospholipid vesicles (liposomes) as models for biological membranes

their properties and interactionswith cholesterol and proteins

by Demetrios Papahadjopoulos

  • 352 Want to read
  • 15 Currently reading

Published by Pergamon Press in Oxford .
Written in English


Edition Notes

Statementby D. Papahadjopoulos and H.K. Kimelberg.
SeriesProgress in Surface Science -- 4 (2)
ContributionsKimelberg, H. K.
ID Numbers
Open LibraryOL20962712M
ISBN 100080177905

  Purified MinD (6 μM) was incubated with or without phospholipid vesicles (40 μg/ml) and nucleotides (1 mM) and centrifuged. Fig. Fig.1 1 A contains the gel analysis of the pellets from a typical assay. In the absence of phospholipid vesicles some MinD was in the pellet, but the amount was the same whether ADP, ATP, or no nucleotide was by:   Lipid vesicle-binding assays revealed that the K-segment is required for binding to anionic phospholipid vesicles, and adoption of α -helicity of the K-segment accounts for most of the conformational change of DHNs upon binding to anionic phospholipid vesicles Cited by:

Vesicles - CRC Press Book "Offers a concise, logically organized survey of vesicular science and the practical applications of vesicles--including the latest advances in drug delivery. Contains over helpful citations to the literature, more than drawings . ELECTRICAL PROPERTIES OF PHOSPHOLIPID VESICLES H. P. SCHWAN,S. TAKASHIMA,V. K. MIYAMOTO, ENIUS Fromthe Electromedical Division, The MooreSchool ofElectrical Engineering, University ofPennsylvania, Philadelphia andthe Cardiovascular Research Institute, University ofCalifornia, San Francisco, California AESsrRACr The capacitance of the membrane of phospholipid vesicles .

The resulting vesicle dispersion smoothly permeated through the membrane filters during extrusion. The average permeation rate of the freeze‐thawed vesicles was ca. 30 times faster than that of simple hydrated vesicles. During the extrusion process, proteins were encapsulated into the reconstructed vesicles with a diameter of ± 20 by: The Plasma Membrane. Like prokaryotes, eukaryotic cells have a plasma membrane made up of a phospholipid bilayer with embedded proteins that separates the internal contents of the cell from its surrounding environment.A phospholipid is a lipid molecule composed of two fatty acid chains, a glycerol backbone, and a phosphate group.


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Phospholipid vesicles (liposomes) as models for biological membranes by Demetrios Papahadjopoulos Download PDF EPUB FB2

This book is designed to serve as an introductory text to the science of non-phospholipid vesicles and will be of use to colloid, drug delivery, cosmetic, and materials scientists.

It aims to acquaint the reader with the physicochemistry Phospholipid vesicles book biomedical applications of these synthetic surfactant non-phospholipid by: The self-assembly of synthetic surfactants and other non-phospholipids into vesicles was first studied in the s by cosmetic scientists when non-ionic surfactant vesicles or niosomes were by: Phospholipids Handbook.

Employing a multidisciplinary approach to phospholipid research, this work catalogues the current knowledge of this class of molecules and details the general, chemical, physical and structural properties of phospholipid monolayers and bilayers. Phospholipid applications are. Lipid vesicles are widely used as model systems to study biological membranes.

The self-assembly of such vesicles into vesicle pairs provides further opportunity to study interactions between membranes. However, formation of vesicle pairs, while subsequently keeping their colloidal stability intact, is challAuthor: N. de Lange, F.

Leermakers, J. Kleijn. Phospholipid vesicles containing lysolecithin (PLV) are prepared as follows: 75 mg/ml of soybean phospholipid (asolectin; Associated Concentrates, Woodside, NY) is suspended in buffer containing Phospholipid vesicles book mM HEPES, pHand 5 mM MgCl 2 (buffer C) and sonicated for 10.

This review focuses on the problem of phospholipid vesicles constrained to flowing in channels. The review examines how experimental and computational approaches have been harnessed to study the response of these particles to the by: 1.

Phospholipids are at the heart and origin of life on this planet. The possibilities in terms of phospholipid self-assembly and biological functions seem limitless. Nonetheless, nature exploits only a small fraction of the available chemical space of phospholipids.

Using chemical synthesis, artificial phospholipid structures become accessible, and the study of their biophysics may reveal Cited by: 1. Osmoelastic coupling in biological structures: decrease in membrane fluidity and osmophobic association of phospholipid vesicles in response to osmotic stress.

Biochemistry28 (9), DOI: /biaCited by: For fatty acid vesicles, the buffer pH should be near the pKa of the bilayer-associated fatty acid. The encapsulated contents of the vesicles are determined by the buffer used for the rehydration. The encapsulated contents of the vesicles are determined by the buffer used for the by: 3.

We demonstrate migration of phospholipid vesicles in response to a pH gradient. Upon simple micro-injection of a NaOH solution, the vesicles linearly moved to the tip of the micro-pipette and the migration velocity was proportional to the gradient of OH − concentration.

Vesicle migration was characteristic of OH − ions and no migration was observed for monovalent salts or nonionic sucrose Cited by: 8. Morrissey Lab Protocol for Preparing Phospholipid Vesicles (SUV) by Sonication Protocol from James H. Morrissey, Dept. of Biochemistry, University of Illinois at Urbana-Champaign, Urbana, ILUSA Background: In this method, phospholipids are first suspended in a buffered saline solution to give large, multilamellar Size: 48KB.

Phospholipid vesicles, consisting of one or more lipid bilayers enclosing an aqueous volume, can be assimilated by mammalian tissue culture cells. If the vesicles (liposomes) possess a surface charge, either negative or positive, and the lipid bilayer is in the fluid state, they are taken up by cells primarily by a process that is temperature dependent but does not require metabolic energy (1, 2).

Phytochemicals from Lippia citriodora leaves were extracted by applying an innovative technology based on the use of microwaves, which represents an alternative method to extract bioactive substances. The obtained extract was incorporated into phospholipid vesicles in order to promote the antioxidant effect of the bioactive molecules present in L.

citriodora extract. Book Description "Offers a concise, logically organized survey of vesicular science and the practical applications of vesicles--including the latest advances in drug delivery.

Contains over helpful citations to the literature, more than drawings and photographs, many in. Hoestra D, Yaron A, Carmel A, Scherphof G () Fusion of phospholipid vesicles containing a trypsin-sensitive fluorogenic substrate and trypsin.

FEBS Lett – CrossRef Google Scholar Hong K, Duzgunes N, Papahadjopoulos D () Role of synexin in membrane by: 4. Gel exclusion chromatography based on the use of Sephacryl S provides a quick and convenient method for determining the average diameter of phospholipid vesicles and an approximate measure of size by: The Giant Vesicle Book.

CRC Press, Taylor & Francis Group, Avanti Polar Lipids, Inc. Industrial Park Drive Alabaster, Alabama () () Contact us. Comparison between Citral and Pompia Essential Oil Loaded in Phospholipid Vesicles for the Treatment of Skin and Mucosal Infections by Iris Usach 1, Elisabetta Margarucci 1,2, Maria Letizia Manca 2, Carla Caddeo 2, Matteo Aroffu 2, Giacomo L.

Petretto 3, Author: Iris Usach, Elisabetta Margarucci, Maria Letizia Manca, Carla Caddeo, Matteo Aroffu, Giacomo L. Petr. Fusion of multilamellar phospholipid vesicles with planar phospholipid bilayer membranes was monitored by the rate of appearance in the planar membrane of an intrinsic membrane protein present in the vesicle by: Studies on the fusion of phospholipid vesicles have provided considerable insight into the molecular mechanism of membrane fusion and the role of specific molecules in this process.

Optimized Liposomal PC Complex Supplement with Phospholipids, mg, 30 Day - Liquid Phospholipid and Phosphatidylcholine Blend - Sunflower Lecithin for Liver, Memory, Focus, and Cholesterol out of 5 stars   Cite this article.

Perin, M., Fried, V., Mignery, G. et al. Phospholipid binding by a synaptic vesicle protein homologous to the regulatory region of protein kinase C Cited by: Interactions of Novel, Nonhemolytic Surfactants with Phospholipid Vesicles Article in Langmuir 23(13) July with 17 Reads How we measure 'reads'.