Alternatives to gadolinium-based metal chelates for magnetic resonance imaging

S Viswanathan, Z Kovacs, KN Green… - Chemical …, 2010 - ACS Publications
Magnetic resonance imaging (MRI) has been immensely valuable in diagnostic clinical
imaging over the last few decades owing to its exceptional spatial and anatomical …

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 …

Comparative paraCEST effect of amide and hydroxy groups in divalent cobalt and nickel complexes of tripyridine-based ligands

SK Panda, J Torres, C Kremer, AK Singh - Dalton Transactions, 2023 - pubs.rsc.org
Co (II) and Ni (II) complexes of two tri-pyridine-based ligands with two hydroxy and two
amide exchangeable protons (TDTA) and with six amide exchangeable protons (TMTP) …

High relaxivity magnetic resonance imaging contrast agents part 1: impact of single donor atom substitution on relaxivity of serum albumin-bound gadolinium …

S Dumas, V Jacques, WC Sun, JS Troughton… - Investigative …, 2010 - journals.lww.com
Rationale and Objectives: The donor atoms that bind to gadolinium in contrast agents
influence inner-sphere water exchange and electronic relaxation, both of which determine …

Fe (II) and Co (II) N-methylated CYCLEN complexes as paraSHIFT agents with large temperature dependent shifts

PB Tsitovich, TY Tittiris, JM Cox, JB Benedict… - Dalton …, 2018 - pubs.rsc.org
Several complexes of Co (II) or Fe (II) with 1, 4, 7, 10-tetraazacyclododecane (CYCLEN)
appended with 1, 7-(6-methyl) 2-picolyl groups are studied as 1H NMR paraSHIFT agents …

Stability and toxicity of contrast agents

E Brücher, G Tircsó, Z Baranyai… - The chemistry of …, 2013 - Wiley Online Library
The chapter on stability and toxicity of contrast agents gives an update of thermodynamic
and kinetic constants for new metal ion—ligand complexes that are explored as a potential …

Transition metal Parashift and ParaCEST MRI agents: Current progress and challenges

F Slade, JF Collingwood, NJ Rogers - Coordination Chemistry Reviews, 2024 - Elsevier
The development of ParaCEST and Parashift agents presents opportunities for MRI
molecular imaging agents (rather than simple contrast agents) for map** physiological …

Optimising the relaxivities of Mn 2+ complexes by targeting human serum albumin (HSA)

A Forgács, L Tei, Z Baranyai, D Esteban-Gómez… - Dalton …, 2017 - pubs.rsc.org
We report two novel macrocyclic ligands based on the 1, 4-DO2AM platform (1, 4-DO2AM=
2, 2′-(1, 4, 7, 10-tetraazacyclododecane-1, 4-diyl) diacetamide) and containing two benzyl …

[HTML][HTML] Imparting multivalency to a bifunctional chelator: a scaffold design for targeted PET imaging probes

W Liu, G Hao, MA Long, T Anthony… - … (International ed. in …, 2009 - ncbi.nlm.nih.gov
Positron Emission Tomography (PET) has become a standard clinical practice in the
diagnostic or prognostic imaging of cancer mainly due to the great success of [18F] FDG (2 …

Inert macrocyclic Eu 3+ complex with affirmative paraCEST features

T Gambino, L Valencia, P Pérez-Lourido… - Inorganic Chemistry …, 2020 - pubs.rsc.org
We report on a macrocyclic platform based on an 18-membered macrocycle that forms
kinetically highly inert paramagnetic complexes and possesses an excellent outlook for the …