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Liposome

The term liposome is derived from two Greek words and translates out as 'fat body"

A liposome is a vesicle surrounded by a lipid bilayer. The bilayer has a hydrophobic heads and tydrophilic or water seeking tails.

Liposones are used for delivering nutrients and pharmaceutical drugs.
Liposomes are made up of natural phospholipids with mixed length lipid chains. This structure posseses surfactant properties  like those of egg phosphatidylethanolamine, which allows it to bind. A liposome design uses surface ligands to attach itself to both healthy and unhealthy tissues.


There are many types of liposomes, based on size and amount of layers. They go by various names like the multilamellar vesicle (MLV), the small unilamellar vesicle (SUV), or the large unilamellar vesicle (LUV).

The liposome's resemblance to a cell membrane, the biological membrane that separates the interior of cells from the outside environment, makes it a unique vehicle to deliver nutrients and drugs. By enclosing the active agent within the confines of the liposome, the agent becomes protected from the acid contents of the gut, making the agent more bioavailable. It also allows manufactuers to time-release the dosage.

More in this category: « Ceramide
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