Publications related to A Starburst-Shaped Heterometallic Compound Incorporating Six Densely Packed Gd3+ Ions

Tuning the self-assembly of lanthanide triple stranded heterobimetallic helicates by ligand design

Rosario Scopelliti, Jean-Claude Bünzli, Thomas Binderup Jensen

The heterobitopic ligands LAB4 and LAB5 have been designed and synthesised with the ultimate aim of self-assembling dual-function lanthanide complexes containing either a magnetic and a luminescent probe or two luminescent probes emitting at different wave ...

2008

Effect of the length of polyoxyethylene substituents on luminescent bimetallic lanthanide bioprobes

Jean-Claude Bünzli, Anne-Sophie Chauvin, Caroline Vandevyver, Bo Song

The new homoditopic ligand

H_2L^{C2'}

self-assembles with lanthanide ions (

Ln^{III}

) to yield neutral bimetallic helicates of overall composition

[Ln_2(L^{C2'})_3]

; it is fitted with two hexakis(oxyethylene) chains to test their effects on the thermo ...

2008

Ligand exchange and complex formation kinetics studied by NMR exemplified on fac-[(CO)3M(H2O)]+ (M = Mn, Tc, Re)

Lothar Helm

In this review ligand exchange and complex formation reactions on fac-[(CO)3M(H2O)3]+ (M = Mn, Tc, Re) and on fac-[(CO)2(NO)Re(H2O)3]2+ are presented. A variety of experimental NMR techniques are described and it is shown that sometimes combinations of tec ...

2008

A Versatile Ditopic Ligand System for Sensitizing the Luminescence of Bimetallic Lanthanide Bio-Imaging Probes

Jean-Claude Bünzli, Anne-Sophie Chauvin, Caroline Vandevyver, Bo Song, Steve Comby

The homoditopic ligand 6,6’- [methylenebis(1-methyl-1H-benzimid- azole-5,2-diyl)]bis(4-{2-[2-(2-methoxy- ethoxy)ethoxy]ethoxy}pyridine-2-carboxylic acid) (H2LC2) has been tailored to self-assemble with lanthanide ions (LnIII), which results in the formatio ...

2008

Theoretical investigations of magnetic properties of MRI contrast agents and carbon nanostructures

Oleg Yazyev

The phenomenon of magnetism is one of the key components of today's technological progress. Magnetic interactions and magnetic materials are essential for the scientific disciplines of physics, chemistry and biology, making this subject truly multidiscipli ...

EPFL2007

Thermodynamic Parameters Governing the Self-Assembly of Head–Head–Head Lanthanide Bimetallic Helicates

Rosario Scopelliti, Jean-Claude Bünzli, Thomas Binderup Jensen

Abstract: The heterobitopic ligands LABX (X=1,2, 3,4 or 5),diff ering only by a Cl or NEt2 substituent,have been designed to complex with a pair of lanthanide ions to form triple-stranded bimetallic helicates of overall composition [Ln2ACHTUNGTRENUNG(LABX) ...

2007

H5EPTPACH2OH: Synthesis, Relaxometric Characterization and 1H NMR Spectroscopic Studies on the Solution Dynamics of Its LnIII Complexes

Lothar Helm, Eva Jakab Toth

The synthesis and characterization of a new metal chelator, 4-(S)-hydroxymethyl-3,6,10-tri(carboxymethyl)-3,6,10-triazadodecanedioic acid (H5EPTPACH2OH), is reported. Protonation constants for the ligand H5EPTPACH2OH and for the previously reported H5EPTPA ...

2007

Non-Cytotoxic, Bifunctional EuIII and TbIII Luminescent Macrocyclic Complexes for Luminescence Resonant Energy- Transfer Experiments

Jean-Claude Bünzli, Anne-Sophie Chauvin, Caroline Vandevyver

A new macrocyclic ligand,

L^3

, has been synthesised, based on the cyclen framework grafted with three phenacyl light-harvesting groups and a C5-alkyl chain bearing a carboxylic acid function as a potential linker for biological material. Acidity constant ...

2007

Lanthanide Complexes with a Calix[8]arene Bearing Phosphinoyl Pendant Arms

Jean-Claude Bünzli, Anne-Sophie Chauvin

The phosphinoyl-substituted macrocyclic receptor B8bL8, derived from p-tert-butylcalix[8]arene, was synthesized and its structure was studied in solution. According to temperaturedependent 1H and 31P NMR spectroscopic data, the calix[8]arene adopts a so-ca ...

2007

Toward the Rational Design of Lanthanide Coordination Polymers: a New Topological Approach

Jean-Claude Bünzli, Marinella Mazzanti

The implementation of four bidentate building blocks into a highdenticity linker with a flexible spacer leads to a predisposed ligand that allows one to direct the self- assembly of 1D functional coordination polymers. This is illustrated by the assembly u ...

2007

A Starburst-Shaped Heterometallic Compound Incorporating Six Densely Packed Gd3+ Ions

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Tuning the self-assembly of lanthanide triple stranded heterobimetallic helicates by ligand design

Effect of the length of polyoxyethylene substituents on luminescent bimetallic lanthanide bioprobes

Ligand exchange and complex formation kinetics studied by NMR exemplified on fac-[(CO)3M(H2O)]+ (M = Mn, Tc, Re)

A Versatile Ditopic Ligand System for Sensitizing the Luminescence of Bimetallic Lanthanide Bio-Imaging Probes

Theoretical investigations of magnetic properties of MRI contrast agents and carbon nanostructures

Thermodynamic Parameters Governing the Self-Assembly of Head–Head–Head Lanthanide Bimetallic Helicates

H5EPTPACH2OH: Synthesis, Relaxometric Characterization and 1H NMR Spectroscopic Studies on the Solution Dynamics of Its LnIII Complexes

Non-Cytotoxic, Bifunctional EuIII and TbIII Luminescent Macrocyclic Complexes for Luminescence Resonant Energy- Transfer Experiments

Lanthanide Complexes with a Calix[8]arene Bearing Phosphinoyl Pendant Arms

Toward the Rational Design of Lanthanide Coordination Polymers: a New Topological Approach

Theoretical investigations of magnetic properties of MRI contrast agents and carbon nanostructures

Non-Cytotoxic, Bifunctional EuIII and TbIII Luminescent Macrocyclic Complexes for Luminescence Resonant Energy- Transfer Experiments

Effect of the length of polyoxyethylene substituents on luminescent bimetallic lanthanide bioprobes

Ligand exchange and complex formation kinetics studied by NMR exemplified on fac-[(CO)3M(H2O)]+ (M = Mn, Tc, Re)

Thermodynamic Parameters Governing the Self-Assembly of Head–Head–Head Lanthanide Bimetallic Helicates

A Versatile Ditopic Ligand System for Sensitizing the Luminescence of Bimetallic Lanthanide Bio-Imaging Probes

Tuning the self-assembly of lanthanide triple stranded heterobimetallic helicates by ligand design

Lanthanide Complexes with a Calix[8]arene Bearing Phosphinoyl Pendant Arms

Toward the Rational Design of Lanthanide Coordination Polymers: a New Topological Approach

H5EPTPACH2OH: Synthesis, Relaxometric Characterization and 1H NMR Spectroscopic Studies on the Solution Dynamics of Its LnIII Complexes