A brief introduction to cell-penetrating
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Pontus Lundberg; Γlo Langel
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Article
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2003
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John Wiley and Sons
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English
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## Abstract Cell membranes act as protective walls to exclude most molecules that are not actively imported by living cells. This is an efficient way for a cell to prevent uncontrolled influx or efflux of solutes, which otherwise would be harmful to it. Only compounds within a narrow range of molec