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. Author manuscript; available in PMC: 2010 Feb 18.
Published in final edited form as: Bioconjug Chem. 2009 Feb;20(2):183–192. doi: 10.1021/bc800296g

Figure 2.

Figure 2

Stylized illustration of a di-walled molecular umbrella, bearing a hydrophilic agent, which is in an exposed and a shielded conformation in aqueous and hydrocarbon environments, respectively.