Article (Scientific journals)
Lanthanide complexes for magnetic resonance and optical molecular imaging
Laurent, Sophie; Vander Elst, Luce; Muller, Robert
2009In Quarterly Journal of Nuclear Medicine and Molecular Imaging, 53 (6), p. 586-603
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Abstract :
[en] Lanthanide complexes are more and more used in biomedical imaging as contrast agents (CA). The development of these paramagnetic complexes as CA for medical magnetic resonance imaging (MM) and luminescent probes for optical imaging is very complementary. Gd complexes are well known as CA for Mill and Eu/lb complexes are often used in microscopy or fluorescence imaging. Each imaging technique has its limitation: low sensitivity but high spatial resolution for MRI and limited penetration but high sensitivity for optical imaging. A bimodal agent can be used for these two methods and give more informations, they can be visualized simultaneously by light and MR imaging. Such compounds are based on the coordination chemistry of the lanthanide ions with an organic ligand to form a stable complex and on the properties of the lanthanide ions. Gd complexes with a chromophore allows also the luminescent detection. This review describes the properties of the lanthanide ions and of their complexes and gives some typical applications of the complexes. The luminescence properties show high quantum yield and long luminescence lifetimes. The relaxometric data of the Gd complexes are comparable or higher than commercial and clinically GdDTPA derivatives.
Disciplines :
Radiology, nuclear medicine & imaging
Chemistry
Author, co-author :
Laurent, Sophie  ;  Université de Mons > Faculté de Médecine et de Pharmacie > Chimie générale, organique et biomédicale
Vander Elst, Luce ;  Université de Mons > Faculté de Médecine et de Pharmacie > Chimie générale, organique et biomédicale
Muller, Robert ;  Université de Mons > Faculté de Médecine et de Pharmacie > Chimie générale, organique et biomédicale
Language :
English
Title :
Lanthanide complexes for magnetic resonance and optical molecular imaging
Publication date :
01 January 2009
Journal title :
Quarterly Journal of Nuclear Medicine and Molecular Imaging
ISSN :
1824-4785
Publisher :
Minerva Medica, Italy
Volume :
53
Issue :
6
Pages :
586-603
Peer reviewed :
Peer Reviewed verified by ORBi
Research unit :
M108 - Chimie générale, organique et biomédicale
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