Issue 23, 2013
From the journal:

Dalton Transactions

Optimizing the relaxivity of Gd(iii) complexes appended to InP/ZnS quantum dots by linker tuning†

Graeme J. Stasiuk,a   Sudarsan Tamang,b   Daniel Imbert,a   Christelle Gateau,a   Peter Reiss,b   Pascal Friesa  and  Marinella Mazzanti*a  

* Corresponding authors

a CEA, INAC, SCIB, Laboratoire de Reconnaissance Ionique et Chimie de Coordination, CEA-Grenoble, UJF, LCIB, UMR-E 3 CEA-UJF, 38054 Grenoble Cedex 9, France
E-mail: marinella.mazzanti@cea.fr
Fax: +33 4 38 78 50 90
Tel: +33 4 38 78 39 55

b CEA Grenoble INAC/SPrAM UMR 5819 CEA-CNRS-UJF, Laboratoire d'Electronique Moléculaire, Organique et Hybride, France

Abstract

Three bimodal MRI/optical nanosized contrast agents with high per-nanoparticle relaxivity (up to 2523 mM−1 s−1 at 35 MHz and 932 mM−1 s−1 at 200 MHz) have been prepared connecting up to 115 tris-aqua GdIII complexes to fluorescent non-toxic InP/ZnS quantum dots. The structure of the linker has an important effect on the relaxivity of the final multimeric contrast agent.

Graphical abstract: Optimizing the relaxivity of Gd(iii) complexes appended to InP/ZnS quantum dots by linker tuning

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Article information

DOI
https://doi.org/10.1039/C3DT50774B
Article type
Communication
Submitted
22 Mar 2013
Accepted
23 Apr 2013
First published
23 Apr 2013

Dalton Trans., 2013,42, 8197-8200

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Optimizing the relaxivity of Gd(III) complexes appended to InP/ZnS quantum dots by linker tuning

G. J. Stasiuk, S. Tamang, D. Imbert, C. Gateau, P. Reiss, P. Fries and M. Mazzanti, Dalton Trans., 2013, 42, 8197 DOI: 10.1039/C3DT50774B

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