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

Graeme J. Stasiuk; Sudarsan Tamang; Daniel Imbert; Christelle Gateau; Peter Reiss; Pascal Fries; Marinella Mazzanti

doi:10.1039/c3dt50774b

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

Graeme J. Stasiuk, Sudarsan Tamang, Daniel Imbert, Christelle Gateau, Peter Reiss, Pascal Fries, Marinella Mazzanti^*

^*Corresponding author for this work

Imaging Chemistry & Biology

Research output: Contribution to journal › Article › peer-review

31 Citations (Scopus)

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 Gd^III 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.

Original language	English
Pages (from-to)	8197-8200
Number of pages	4
Journal	Dalton Transactions
Volume	42
Issue number	23
DOIs	https://doi.org/10.1039/c3dt50774b
Publication status	Published - 21 Jun 2013

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AU - Gateau, Christelle

AU - Reiss, Peter

AU - Fries, Pascal

AU - Mazzanti, Marinella

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AB - 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.

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

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