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Researchers Construct Cell Look-Alikes

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Science  03 Jan 1997:
Vol. 275, Issue 5296, pp. 31
DOI: 10.1126/science.275.5296.31

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Materials scientists have taken another step toward mimicking biological structures. They have assembled groups of lipid molecules into structures resembling cells, with an outer membrane encasing a series of vesicles. The artificial cells may boost efforts to use lipid spheres for delivering drugs to tumors and other tissues: By slowing the release of the drugs, the double membranes could lengthen the time between doses.