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. 2010 Apr 15;11(4):1759–1776. doi: 10.3390/ijms11041759

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© 2010 by the authors; licensee Molecular Diversity Preservation International, Basel, Switzerland.

This article is an open-access article distributed under the terms and conditions of the Creative Commons Attribution license (http://creativecommons.org/licenses/by/3.0/).

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Figure 4. — Cartoon of the possible motions that may occur involving the water molecule bound to the Gd³⁺ ion of the Gd lipid chelate head group. a shows the rotational motion of the whole paramagnetic liposome in water (t_r), b shows the translational diffusion of individual Gd chelates protruding from the paramagnetic liposome surface (t_D(transl)), c presents the rotation of the Gd chelated head group attached to the lipid tail (t_int) and d depicts the rotational diffusion of the entire Gd lipid in the paramagnetic liposome membrane (t_D(rot)) [42].