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Synthesis and Structure of Nitride-Bridged Uranium(III) Complexes.

Journal of the American Chemical Society

Chatelain L, Scopelliti R, Mazzanti M.
PMID: 26846678
J Am Chem Soc. 2016 Feb 17;138(6):1784-7. doi: 10.1021/jacs.5b12620. Epub 2016 Feb 05.

ABSTRACT: The reduction of the nitride-bridged diuranium(IV) complex Cs[{U(OSi(OtBu)3)3}2(μ-N)]affords the first example of a uranium nitride complex containing uranium in the +III oxidation state. Two nitride-bridged complexes containing the heterometallic fragments Cs2[U(III---)-N-(---U(IV)] and Cs3[U(III---)-N-(---U(III)] have been crystallographically characterized. The...

Respiratory Epithelium Lined Cyst of the Maxilla: Differential Diagnosis.

Case reports in pathology

Martinelli-Kläy CP, Chatelain S, Salvado F, Lombardi T.
PMID: 29093979
Case Rep Pathol. 2017;2017:6249649. doi: 10.1155/2017/6249649. Epub 2017 Sep 28.

Maxillary cysts, including the cysts lined by respiratory epithelium, can present a diagnostic challenge. We report an unusual case of a maxillary cyst on an endodontically treated tooth #16, in which the cavity was totally lined by a respiratory...

Heterometallic Fe2 (II) -U(V) and Ni2 (II) -U(V) Exchange-Coupled Single-Molecule Magnets: Effect of the 3 d Ion on the Magnetic Properties.

Chemistry (Weinheim an der Bergstrasse, Germany)

Chatelain L, Pécaut J, Tuna F, Mazzanti M.
PMID: 26464190
Chemistry. 2015 Dec 07;21(50):18038-42. doi: 10.1002/chem.201503637. Epub 2015 Oct 28.

Uranium-based compounds have been put forward as ideal candidates for the design of single-molecule magnets (SMMs) with improved properties, but to date, only two examples of exchange-coupled 3d-5f SMM containing uranium have been reported and both are based on...

Ferrocene-Based Tetradentate Schiff Bases as Supporting Ligands in Uranium Chemistry.

Inorganic chemistry

Camp C, Chatelain L, Mougel V, Pécaut J, Mazzanti M.
PMID: 26010406
Inorg Chem. 2015 Jun 15;54(12):5774-83. doi: 10.1021/acs.inorgchem.5b00467. Epub 2015 May 26.

Uranyl(VI), uranyl(V), and uranium(IV) complexes supported by ferrocene-based tetradentate Schiff-base ligands were synthesized, and their solid-state and solution structures were determined. The redox properties of all complexes were investigated by cyclic voltammetry. The bulky salfen-(t)Bu2 allows the preparation of...

Measurement of non-VKA oral anticoagulants versus classic ones: the appropriate use of hemostasis assays.

Thrombosis journal

Douxfils J, Tamigniau A, Chatelain B, Goffinet C, Dogné JM, Mullier F.
PMID: 25750588
Thromb J. 2014 Nov 04;12:24. doi: 10.1186/1477-9560-12-24. eCollection 2014.

Traditional anticoagulant agents such as vitamin K antagonists (VKAs), unfractionated heparin (UFH), low molecular weight heparins (LMWHs) and fondaparinux have been widely used in the prevention and treatment of thromboembolic diseases. However, these agents are associated with limitations, such...

A uranium-based UO2(+)-Mn2+ single-chain magnet assembled trough cation-cation interactions.

Angewandte Chemie (International ed. in English)

Mougel V, Chatelain L, Hermle J, Caciuffo R, Colineau E, Tuna F, Magnani N, de Geyer A, Pécaut J, Mazzanti M.
PMID: 24311434
Angew Chem Int Ed Engl. 2014 Jan 13;53(3):819-23. doi: 10.1002/anie.201307366. Epub 2013 Dec 06.

Single-chain magnets (SCMs) are materials composed of magnetically isolated one-dimensional (1D) units exhibiting slow relaxation of magnetization. The occurrence of SCM behavior requires the fulfillment of stringent conditions for exchange and anisotropy interactions. Herein, we report the synthesis, the...

Aligned carbon nanotube films: production and optical and electronic properties.

Science (New York, N.Y.)

Deheer WA, Bacsa WS, Châtelain A, Gerfin T, Humphrey-Baker R, Forro L, Ugarte D.
PMID: 17792177
Science. 1995 May 12;268(5212):845-7. doi: 10.1126/science.268.5212.845.

Carbon nanotube material can now be produced in macroscopic quantities. However, the raw material has a disordered structure, which restricts investigations of both the properties and applications of the nanotubes. A method has been developed to produce thin films...

Magnetism from the atom to the bulk in iron, cobalt, and nickel clusters.

Science (New York, N.Y.)

Billas IM, Châtelain A, de Heer WA.
PMID: 17770895
Science. 1994 Sep 16;265(5179):1682-4. doi: 10.1126/science.265.5179.1682.

Molecular beam deflection measurements of small iron, cobalt, and nickel clusters show how magnetism develops as the cluster size is increased from several tens to several hundreds of atoms for temperatures between 80 and 1000 K. Ferromagnetism occurs even...

Probability distributions for polymer translocation.

Physical review. E, Statistical, nonlinear, and soft matter physics

Chatelain C, Kantor Y, Kardar M.
PMID: 18850808
Phys Rev E Stat Nonlin Soft Matter Phys. 2008 Aug;78(2):021129. doi: 10.1103/PhysRevE.78.021129. Epub 2008 Aug 21.

We study the passage (translocation) of a self-avoiding polymer through a membrane pore in two dimensions. In particular, we numerically measure the probability distribution Q(T) of the translocation time T, and the distribution P(s,t) of the translocation coordinate s...

[Microscopic colitis: collagenous colitis and lymphocytic colitis].

Annales de pathologie

Chatelain D, Mokrani N, Fléjou JF.
PMID: 18554555
Ann Pathol. 2007 Dec;27(6):448-58. doi: 10.1016/S0242-6498(07)71417-7.

Microscopic colitis is currently classified as a chronic inflammatory bowel disorder and encompasses two entities: lymphocytic colitis and collagenous colitis. Patients with microscopic colitis present with a well-tolerated chronic watery diarrhea, sometimes with abdominal pain. Colonoscopy is normal. Diagnosis...

Co-expression of neuronal intermediate filaments, peripherin and α-internexin in human well-differentiated endocrine neoplasms (carcinoid tumors) of the appendix.

Molecular medicine reports

Ishida M, Kushima R, Brevet M, Chatelain D, Okabe H.
PMID: 21479396
Mol Med Rep. 2008 Mar-Apr;1(2):191-5.

The rectum and appendix are the two major sites of well-differentiated endocrine neoplasms (carcinoid tumors) in the lower gastrointestinal tract. Previously, we reported the consistent expression of peripherin in rectal well-differentiated endocrine neoplasms without metastases. However, its expression has...

Collective dipole oscillations in small sodium clusters.

Physical review letters

Chatelain A, de Heer WA, Knight WD, Kresin V, Masui J, Selby K, Vollmer M.
PMID: 10035336
Phys Rev Lett. 1987 Oct 19;59(16):1805-1808. doi: 10.1103/PhysRevLett.59.1805.

No abstract available.

Showing 1 to 12 of 184 entries