Liposomes and nanoparticles have emerged as versatile carrier systems for delivering active molecules in the organism. These colloidal particles have demonstrated enhanced efficacy compared to conventional drugs. However, the design of liposomes and nanoparticles with a prolonged circulation time an
Targeted liposomes: A method for preparation and analysis
β Scribed by Vilma K. Jansons; Patricia L. Mallett
- Publisher
- Elsevier Science
- Year
- 1981
- Tongue
- English
- Weight
- 499 KB
- Volume
- 111
- Category
- Article
- ISSN
- 0003-2697
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β¦ Synopsis
A simple method for the preparation of antibody targeted iiposomes is described. It consists of the covalent coupling of the F(ab'), fragment of antibody to phosphatidylethanolamine and subsequent association of this complex with dimyristoylphosphatidylcholine liposomes. The side effects during the coupling are minimized with prior citraconylation. The association of the protein with the liposomes is demonstrated by gel filtration. Binding assays with antigen-coated Staphyloccus aureus are used to evalute the immunologically specific recognition and the membrane stability of the targeted liposomes.
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A simple physical method to determine the monomer concentration of detergents below as well as above the critical micelle concentration based on the bubble-pressure measurement is described. Aggregated surfactant molecules (micelles) and phospholipid vesicles if present in the sample will not distur
Phospholipids have been extensively evaluated as an anchor for both PEGylation and receptor-targeting in liposomal formulations. However, cholesterol, another important component in biomembranes, has not been fully investigated as an alternative anchor. In this study, the potential role of cholester