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脂质体是由含或不含胆固醇的磷脂组成.当脂质体以适宜浓度和水混合时,磷脂自发形成充满液体的小囊.脂质体膜是双层的,脂肪酸“尾端”指向膜内,而亲水的“头”则指向膜外.脂质体可根据含有一个或多个双层膜以及直径大小来分类.
Liposomes are composed of phospholipids with or without cholesterol.Liposomes spontaneously form liquid-filled vesicles when liposomes are mixed with water in suitable concentrations.The liposomal membranes are bilayer, fatty acid “Points into the membrane, while the hydrophilic” head "points out of the membrane.The liposomes can be classified by their inclusion of one or more bilayer membranes and their diameter.