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@ARTICLE{Brandt:861160,
author = {Brandt, Marie R. and Vanasschen, Christian and Ermert,
Johannes and Coenen, Heinz H. and Neumaier, Bernd},
title = {52g/55{M}n-{L}abelled {CDTA}-based trimeric complexes as
novel bimodal {PET}/{MR} probes with high relaxivity},
journal = {Dalton transactions},
volume = {48},
number = {9},
issn = {0300-9246},
address = {London},
publisher = {Soc.},
reportid = {FZJ-2019-01710},
pages = {3003 - 3008},
year = {2019},
abstract = {Trans-1,2-diaminocyclohexane-N,N,N‘,N‘-tetraacetic acid
(CDTA) labelled with a mixture of paramagnetic 55Mn(II) and
β+-emitting 52gMn(II) offers access to bimodal Positron
Emission Tomography /Magnetic Resonance (PET/MR) tracers. To
enhance the number of NMR-active nuclei and simultaneously
improve the longitudinal relaxivity r1, a complex composed
of three CDTA units was designed. Accordingly, a
functionalised tris-CDTA-1,3,5-tris-triazolobenzene was
prepared and labelled with c.a. and n.c.a. 52gMn. Relaxivity
measurements of the 55Mn-complex showed an enhancement of r1
of $144\%$ in comparison to the Mn-CDTA monomer. Moreover,
the trimer was equipped with an additional linker
functionality suitable for conjugation with biomolecules,
enabling interaction with specific molecular targets.},
cin = {INM-5},
ddc = {540},
cid = {I:(DE-Juel1)INM-5-20090406},
pnm = {573 - Neuroimaging (POF3-573)},
pid = {G:(DE-HGF)POF3-573},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30747205},
UT = {WOS:000460780300020},
doi = {10.1039/C8DT04996C},
url = {https://juser.fz-juelich.de/record/861160},
}