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Niosome : ウィキペディア英語版
Niosome

A Niosome is a non-ionic surfactant-based Vesicle (biology and chemistry). Niosomes are formed mostly by non-ionic surfactant and cholesterol incorporation as an excipient. Other excipients can also be used. Niosomes have more penetrating capability than the previous preparations of emulsions.〔(Your Source of Information: Niosomes )〕 They are structurally similar to liposomes in having a bilayer, however, the materials used to prepare niosomes make them more stable and thus niosomes offer many more advantages over liposomes.
== Structure ==
Niosomes are lamellar structures that are microscopic in size. They constitute of non-ionic surfactant of the alkyl or dialkyl polyglycerol ether class and cholesterol with subsequent hydration in aqueous media. The surfactant molecules tend to orient themselves in such a way that the hydrophilic ends of the non-ionic surfactant point outwards, while the hydrophobic ends face each other to form the bilayer. The figure in this article on (Niosomes ) gives a better idea of the lamellar orientation of the surfactant molecules.〔(PharmaXChange.info - Niosomes ) (Article on niosomes ) covering topics such as structure, methods of preparation, advantages and applications〕

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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