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research article
High Relaxivity Confined to a Small Molecular Space: A Metallostar-Based, Potential MRI Contrast Agent
Good things come in small packages: For its moderate molecular weight, the metallostar complex [Fe{Gd2L(H2O)4}3]4− (see picture; L is a bipyridine–poly(aminocarboxylate) derivative) displays exceptionally high proton relaxivity, which is explained in terms of a rigid supramolecular structure, two inner-sphere water molecules with a near-optimal exchange rate, and six efficiently relaxing GdIII centers confined to a small molecular space.
Type
research article
Web of Science ID
WOS:000227475500005
Authors
Publication date
2005
Published in
Volume
44
Issue
10
Start page
1480
End page
1484
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
August 11, 2006
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