50.3 MB (1.6 MB compressed)
3898 x 4506 pixels
33.0 x 38.1 cm ⏐ 13.0 x 15.0 in (300dpi)
SCIENCE PHOTO LIBRARY SCIENCE PHOTO LIBRARY
Liposome vesicles, coloured transmission electron micrograph (TEM). These artificially-constructed, spherical vesicles possess a selectively-permeable wall that closely resembles the membrane of a living cell. They are used in biological research to investigate the functioning of the cell membrane and, since they can be incorporated into living cells, are used to deliver drugs to specific cells in the body, such as cancer cells.
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