Distinct coordination chemistry of Fe (III)-based MRI probes

EA Kras, EM Snyder, GE Sokolow… - Accounts of Chemical …, 2022 - ACS Publications
Conspectus Contrast agents are used in approximately 40% of all magnetic resonance
imaging (MRI) procedures to improve the quality of the images based on the distribution and …

Mn-based MRI contrast agents: an overview

C Henoumont, M Devreux, S Laurent - Molecules, 2023 - mdpi.com
MRI contrast agents are required in the clinic to detect some pathologies, such as cancers.
Nevertheless, at the moment, only small extracellular and non-specific gadolinium …

Mn2+ Bispidine Complex Combining Exceptional Stability, Inertness, and MRI Efficiency

D Ndiaye, P Cieslik, H Wadepohl, A Pallier… - Journal of the …, 2022 - ACS Publications
As an essential metal ion and an efficient relaxation agent, Mn2+ holds a great promise to
replace Gd3+ in magnetic resonance imaging (MRI) contrast agent applications, if its stable …

Dual hydrazine-equipped turn-on manganese-based probes for magnetic resonance imaging of liver fibrogenesis

Y Ning, IY Zhou, NJ Rotile… - Journal of the …, 2022 - ACS Publications
Liver fibrogenesis is accompanied by upregulation of lysyl oxidase enzymes, which catalyze
oxidation of lysine ε-amino groups on the extracellular matrix proteins to form the aldehyde …

Exceptional manganese (II) stability and manganese (II)/zinc (II) selectivity with rigid polydentate ligands

P Cieslik, P Comba, B Dittmar, D Ndiaye… - Angewandte …, 2022 - Wiley Online Library
While MnII complexes meet increasing interest in biomedical applications, ligands are
lacking that enable high MnII complex stability and selectivity vs. ZnII, the most relevant …

Bioimaging agents based on redox-active transition metal complexes

SS Xue, Y Pan, W Pan, S Liu, N Li, B Tang - Chemical Science, 2022 - pubs.rsc.org
Detecting the fluctuation and distribution of various bioactive species in biological systems is
of great importance in determining diseases at their early stages. Metal complex-based …

Complexation of Mn (II) by rigid pyclen diacetates: equilibrium, kinetic, relaxometric, density functional theory, and superoxide dismutase activity studies

Z Garda, E Molnar, N Hamon, JL Barriada… - Inorganic …, 2020 - ACS Publications
We report the Mn (II) complexes with two pyclen-based ligands (pyclen= 3, 6, 9, 15-
tetraazabicyclo [9.3. 1] pentadeca-1 (15), 11, 13-triene) functionalized with acetate pendant …

Development of a suite of gadolinium-free OATP1-targeted paramagnetic probes for liver MRI

SW McRae, M Cleary, D DeRoche… - Journal of Medicinal …, 2023 - ACS Publications
Five amphiphilic, anionic Mn (II) complexes were synthesized as contrast agents targeted to
organic anion transporting polypeptide transporters (OATP) for liver magnetic resonance …

Principles and applications of magnetic nanomaterials in magnetically guided bioimaging

J Mohapatra, S Nigam, J George, AC Arellano… - Materials Today …, 2023 - Elsevier
Imaging plays a pivotal role in the precise diagnosis of a variety of diseases. Various
imaging modalities have long secured their place in clinics. However, a lot of these …

Divalent Manganese Complexes as Potential Replacements for Gadolinium-Based Contrast Agents

P Caravan - Investigative Radiology, 2023 - journals.lww.com
Recent safety concerns surrounding the use of gadolinium-based contrast agents (GBCAs)
have spurred research into identifying alternatives to GBCAs for use with magnetic …