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Not discernable with a light microscope, a nanoliposome can be seen under an electron microscope as a sphere. Just as a water balloon has a thin outer layer with a water-filled interior, a liposome likewise has a thin outer wall — similar to a membrane — made of a phospholipid bilayer and an interior containing a water-soluble material. First identified in the early 1960’s, liposomes have undergone extensive research
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