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Antiproliferative properties of iron supramolecular cylinders
Rosa F. Brissos a, Luís Korrodi-Gregório b, Ricardo Péres-Tomás b, Olivier Roubeau c, Patrick Gamez a,d,e,*
Iron(III) metallohelicates were prepared from bis-β-diketone and bis-pyrazole ligands; cytotoxicity studies revealed that one of these metallocylinders exhibited interesting antiproliferative properties.
Chem. Sq., 2018, 2, 4
A triazatruxene-based molecular dyad for single-component organic solar cells
Antoine Labrunie a, Giacomo Londi b, Sergey V. Dayneko c, Martin Blais a, Sylvie Dabos-Seignon a, Gregory C. Welch a, David Beljonne b, Philippe Blanchard a,*, Clément Cabanetos a,*
The synthesis of a molecular dyad consisting of a triazatruxene-based push-pull molecule linked to a fullerene derivative is reported. The two parts were connected using the well-known copper-catalysed azide-alkyne cycloaddition (CuAAc). Encouraging power conversion efficiencies were reached embedding the active material into single-component organic solar cells.
Chem. Sq., 2018, 2, 3
A critical review of the T(LIESST) temperature in spin crossover materials − What it is and what it is not
Guillaume Chastanet a,*, Cédric Desplanches a, Chérif Baldé a,b, Patrick Rosa a, Mathieu Marchivie a, Philippe Guionneau a
This review makes a point on the good practice to measure and utilize the T(LIESST) temperature in spin crossover materials. After 20 years of use, it appeared important to detail how to measure this parameter and the information we can and cannot extract from this measurement.
Chem. Sq., 2018, 2, 2
Ligand-induced symmetry breaking, size and morphology in colloidal lead sulfide QDs: from classic to thiourea precursors
Federica Bertolotti a,b, Andrew H. Proppe c, Dmitry N. Dirin d,e, Mengxia Liu c, Oleksandr Voznyy c, Antonio Cervellino f, Simon J.L. Billinge g,h, Maksym V. Kovalenko d,e, Edward H. Sargent c, Norberto Masciocchi b,i*, Antonietta Guagliardi b,l*
A pm-scale rhombohedral distortion of the rock-salt lattice is detected in colloidal PbS QDs by forefront X-ray total scattering methods, jointly to the displacement of the Pb sublattice, as much as in the paradigmatic alpha-GeTe case. Driven by the surface ligands, the lattice distortion matches a common size-dependent law, regardless of the synthetic approach. Locally distorted ferroelectric domains show a variable degree of linear correlation.
Chem. Sq., 2018, 2, 1
Ruthenium-based PACT compounds based on an N,S non-toxic ligand: a delicate balance between photoactivation and thermal stability
Jordi-Amat Cuello-Garibo a, Catriona C. James a, Maxime A. Siegler b, Sylvestre Bonnet a*
Three polypyridyl complexes with different levels of steric strain are synthesized that can photosubstitute a non-toxic aminothioether ligand. Their complex stereochemistry is characterized by a combination of spectroscopy and DFT calculations. The number of hindering groups has a crucial effect on the photochemistry and cytotoxicity of these complexes: too much strain leads to thermal activation, whereas no strain at all leads to no photoactivation in vitro. The compound with intermediate strain is a promising photoactivated chemotherapy prodrug.
Chem. Sq., 2017, 1, 2
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Guillem Aromí a, Patrick Gamez a,b, Leoní A. Barrios a, Jordi Ribas c, Boris Le Guennic d
Chem. Sq., 2017, 1, 1