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Showing 1 to 12 of 314 entries
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Disclination lines at homogeneous and heterogeneous colloids immersed in a chiral liquid crystal.

Soft matter

Melle M, Schlotthauer S, Hall CK, Diaz-Herrera E, Schoen M.
PMID: 24954626
Soft Matter. 2014 Aug 14;10(30):5489-502. doi: 10.1039/c4sm00959b.

In the present work we perform Monte Carlo simulations in the isothermal-isobaric ensemble to study defect topologies formed in a cholesteric liquid crystal due to the presence of a spherical colloidal particle. Topological defects arise because of the competition...

Thermal and near-infrared light induced spin crossover in a mononuclear iron(ii) complex with a tetrathiafulvalene-fused dipyridophenazine ligand.

Dalton transactions (Cambridge, England : 2003)

Pointillart F, Liu X, Kepenekian M, Le Guennic B, Golhen S, Dorcet V, Roisnel T, Cador O, You Z, Hauser J, Decurtins S, Ouahab L, Liu SX.
PMID: 27358063
Dalton Trans. 2016 Jul 28;45(28):11267-71. doi: 10.1039/c6dt00920d. Epub 2016 Jun 30.

A mononuclear Fe(ii) complex involving a tetrathiafulvalene-based ligand exhibits thermal spin-crossover (around 143 K) with pronounced hysteresis behaviour (48 K). The chromophoric and π-extended ligand allows Near-Infrared (NIR) sensitization for the light-induced excited spin-state trapping (LIESST) with T(LIESST) =...

Iron Alkynyl Helicenes: Redox-Triggered Chiroptical Tuning in the IR and Near-IR Spectral Regions and Suitable for Telecommunications Applications.

Angewandte Chemie (International ed. in English)

Shen C, Loas G, Srebro-Hooper M, Vanthuyne N, Toupet L, Cador O, Paul F, López Navarrete JT, Ramírez FJ, Nieto-Ortega B, Casado J, Autschbach J, Vallet M, Crassous J.
PMID: 27193483
Angew Chem Int Ed Engl. 2016 Jul 04;55(28):8062-6. doi: 10.1002/anie.201601633. Epub 2016 May 19.

The combination of a bis-alkynyl-helicene moiety with two iron centers leads to novel electroactive species displaying unprecedented redox-triggered chiroptical switching. Upon oxidation, strong changes of vibrational modes (either local or extended coupled modes) are detected by vibrational circular dichroism...

Repeated episodes of heroin cause enduring alterations of circadian activity in protracted abstinence.

Brain sciences

Stinus L, Cador M, Caille S.
PMID: 24961201
Brain Sci. 2012 Sep 20;2(3):421-33. doi: 10.3390/brainsci2030421.

Opiate withdrawal is followed by a protracted abstinence syndrome consisting of craving and physiological changes. However, few studies have been dedicated to both the characterization and understanding of these long-term alterations in post-dependent subjects. The aim of the present...

Unraveling the crystal structure of lanthanide-murexide complexes: use of an ancient complexometry indicator as a near-infrared-emitting single-ion magnet.

Chemistry (Weinheim an der Bergstrasse, Germany)

Yi X, Bernot K, Le Corre V, Calvez G, Pointillart F, Cador O, Le Guennic B, Jung J, Maury O, Placide V, Guyot Y, Roisnel T, Daiguebonne C, Guillou O.
PMID: 24402683
Chemistry. 2014 Feb 03;20(6):1569-76. doi: 10.1002/chem.201303833. Epub 2014 Jan 08.

Herein, we provide some structural evidence of the complexation color-change of murexide solutions in presence of lanthanide, which has been used for decades in complexometric studies. For Ln = Sm to Lu and Y, the compounds crystallize as monomeric...

Analysis of the electrostatics in Dy(III) single-molecule magnets: the case study of Dy(Murex)3.

Dalton transactions (Cambridge, England : 2003)

Jung J, Yi X, Huang G, Calvez G, Daiguebonne C, Guillou O, Cador O, Caneschi A, Roisnel T, Le Guennic B, Bernot K.
PMID: 26435506
Dalton Trans. 2015 Nov 07;44(41):18270-5. doi: 10.1039/c5dt03345d. Epub 2015 Oct 05.

A Dy(III)-based single-molecule magnet is reported. Ab initio calculations highlight that molecular symmetry plays a predominant role over site symmetry in determining the shape and orientation of Dy(III) magnetic anisotropy. Moreover the dipolar component of the electrostatic potential created...

Analysis of the Magnetic Exchange Interactions in Yttrium(III) Complexes Containing Nitronyl Nitroxide Radicals.

Inorganic chemistry

Jung J, Puget M, Cador O, Bernot K, Calzado CJ, Le Guennic B.
PMID: 28558238
Inorg Chem. 2017 Jun 19;56(12):6788-6801. doi: 10.1021/acs.inorgchem.6b02952. Epub 2017 May 30.

We report a combined theoretical and experimental investigation of the exchange interactions governing the magnetic behavior of a series of nitronyl nitroxide (NIT)-based Y(III) complexes, i.e., Y(hfac)

Perioperative chemotherapy in the treatment of osteosarcoma: a 26-year single institution review.

Clinical sarcoma research

O'Kane GM, Cadoo KA, Walsh EM, Emerson R, Dervan P, O'Keane C, Hurson B, O'Toole G, Dudeney S, Kavanagh E, Eustace S, Carney DN.
PMID: 26175892
Clin Sarcoma Res. 2015 Jul 14;5:17. doi: 10.1186/s13569-015-0032-0. eCollection 2015.

BACKGROUND: Chemotherapy in the multimodality treatment of osteosarcoma has improved survival. Reported outcomes on adult patients are limited. Poor necrosis rates post neoadjuvant chemotherapy (NAC) is considered an adverse prognostic factor and attempts have been made to improve survival...

Unprecedented sensitization of visible and near-infrared lanthanide luminescence by using a tetrathiafulvalene-based chromophore.

Chemistry, an Asian journal

Feng M, Pointillart F, Le Guennic B, Lefeuvre B, Golhen S, Cador O, Maury O, Ouahab L.
PMID: 25087945
Chem Asian J. 2014 Oct;9(10):2814-25. doi: 10.1002/asia.201402385. Epub 2014 Aug 01.

Ligand L was synthesized and then coordinated to [Ln(hfac)3]⋅2 H2O (Ln(III)=Tb, Dy, Er; hfac(-)=1,1,1,5,5,5-hexafluoroacetylacetonate anion) and [Ln(tta)3]⋅2 H2O (Ln(III)=Eu, Gd, Tb, Dy, Er, Yb; tta(-)=2-thenoyltrifluoroacetonate) to give two families of dinuclear complexes [Ln2(hfac)6(L)]⋅C6H14 and [Ln2(tta)6(L)]⋅2 CH2Cl2. Irradiation of the...

Grafting {Cp*Rh}(2+) on the surface of Nb and Ta Lindqvist-type POM.

Dalton transactions (Cambridge, England : 2003)

Abramov PA, Sokolov MN, Virovets AV, Floquet S, Haouas M, Taulelle F, Cadot E, Vicent C, Fedin VP.
PMID: 25519849
Dalton Trans. 2015 Feb 07;44(5):2234-9. doi: 10.1039/c4dt03339f.

New hybrid POM based on Lindqvist-type polyoxometalates [M6O19](8-) (M = Nb, Ta) and organometallic fragment {Cp*Rh}(2+) have been isolated and characterized. X-ray quality crystals of K4[(Cp*Rh)2Nb6O19]·20H2O () and Cs4[(Cp*Rh)2Ta6O19]·18H2O () were obtained from solutions with {Cp*Rh} : [M6O19](8-) stoichiometry...

Psychomotor stimulant sensitization: the corticotropin-releasing factor-steroid connection. Commentary on Wise and Leeb "Psychomotor-stimulant sensitization: a unitary phenomenon?".

Behavioural pharmacology

Koob GF, Cador M.
PMID: 11224203
Behav Pharmacol. 1993;4(4):351-354.

No abstract available.

Single-crystal polarized optical absorption spectroscopy of the one-dimensional ferrimagnet MnIICuII(pba)(H2O)3.2H2O (pba = 1,3-propylenebis(oxamato)).

Inorganic chemistry

Cador O, Mathonière C, Kahn O.
PMID: 11196772
Inorg Chem. 2000 Aug 21;39(17):3799-804. doi: 10.1021/ic991264t.

Powder and single-crystal optical absorption of the ferrimagnet MnIICuII(pba)(H2O)(3).2H2O (denoted MnCu) and the Mn-doped compound Mn0.1Mg0.9Cu(pba)(H2O)(3).2H2O (denoted Mn0.1Mg0.9Cu) with pba standing for 1,3-propylenebis(oxamato) was investigated in the 10-300 K range. The crystal structure of MnCu was previously reported, and...

Showing 1 to 12 of 314 entries