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Showing 25 to 36 of 142 entries
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Attosecond timing of electron emission from a molecular shape resonance.

Science advances

Nandi S, Plésiat E, Zhong S, Palacios A, Busto D, Isinger M, Neoričić L, Arnold CL, Squibb RJ, Feifel R, Decleva P, L'Huillier A, Martín F, Gisselbrecht M.
PMID: 32789174
Sci Adv. 2020 Jul 31;6(31):eaba7762. doi: 10.1126/sciadv.aba7762. eCollection 2020 Jul.

Shape resonances in physics and chemistry arise from the spatial confinement of a particle by a potential barrier. In molecular photoionization, these barriers prevent the electron from escaping instantaneously, so that nuclei may move and modify the potential, thereby...

The European Medicines Agency Review of Luspatercept for the Treatment of Adult Patients With Transfusion-dependent Anemia Caused by Low-risk Myelodysplastic Syndromes With Ring Sideroblasts or Beta-thalassemia.

HemaSphere

Delgado J, Voltz C, Stain M, Balkowiec-Iskra E, Mueller B, Wernsperger J, Malinowska I, Gisselbrecht C, Enzmann H, Pignatti F.
PMID: 34291195
Hemasphere. 2021 Jul 19;5(8):e616. doi: 10.1097/HS9.0000000000000616. eCollection 2021 Aug.

Luspatercept is a recombinant fusion protein that selectively binds to ligands belonging to the transforming growth factor-beta superfamily, resulting in erythroid maturation and differentiation. On June 25, 2020, a marketing authorization valid through the European Union (EU) was issued...

Regular acyclic and macrocyclic [AB] oligomers by formation of push-pull chromophores in the chain-growth step.

Chemistry (Weinheim an der Bergstrasse, Germany)

Silvestri F, Jordan M, Howes K, Kivala M, Rivera-Fuentes P, Boudon C, Gisselbrecht JP, Schweizer WB, Seiler P, Chiu M, Diederich F.
PMID: 21503989
Chemistry. 2011 May 23;17(22):6088-97. doi: 10.1002/chem.201003672. Epub 2011 Apr 18.

The substrate scope of the [2+2] cycloaddition-cycloreversion (CA-CR) reaction between electron-deficient (2,2-dicyanovinyl)benzene (DCVB) or (1,2,2-tricyanovinyl)benzene (TCVB) derivatives and N,N-dimethylanilino (DMA)-substituted acetylenes was investigated. The structural features of the cyanobutadiene products of these transformations were examined and the rates of...

Time-Stretched Spectroscopy by the Quantum Zeno Effect: The Case of Auger Decay.

Physical review letters

Boström EV, Gisselbrecht M, Brage T, Almbladh CO, Mikkelsen A, Verdozzi C.
PMID: 30576192
Phys Rev Lett. 2018 Dec 07;121(23):233201. doi: 10.1103/PhysRevLett.121.233201.

A tenet of time-resolved spectroscopy is "faster laser pulses for shorter timescales". Here, we suggest turning this paradigm around, and slowing down the system dynamics via repeated measurements, to do spectroscopy on longer timescales. This is the principle of...

Fission of charged nano-hydrated ammonia clusters - microscopic insights into the nucleation processes.

Physical chemistry chemical physics : PCCP

Oostenrijk B, Barreiro D, Walsh N, Sankari A, Månsson EP, Maclot S, Sorensen SL, Díaz-Tendero S, Gisselbrecht M.
PMID: 31720608
Phys Chem Chem Phys. 2019 Nov 27;21(46):25749-25762. doi: 10.1039/c9cp04221k.

While largely studied on the macroscopic scale, the dynamics leading to nucleation and fission processes in atmospheric aerosols are still poorly understood at the molecular level. Here, we present a joint experimental-theoretical study of a model system consisting of...

Attosecond electron-spin dynamics in Xe 4d photoionization.

Nature communications

Zhong S, Vinbladh J, Busto D, Squibb RJ, Isinger M, Neoričić L, Laurell H, Weissenbilder R, Arnold CL, Feifel R, Dahlström JM, Wendin G, Gisselbrecht M, Lindroth E, L'Huillier A.
PMID: 33028822
Nat Commun. 2020 Oct 07;11(1):5042. doi: 10.1038/s41467-020-18847-1.

The photoionization of xenon atoms in the 70-100 eV range reveals several fascinating physical phenomena such as a giant resonance induced by the dynamic rearrangement of the electron cloud after photon absorption, an anomalous branching ratio between intermediate Xe

The obesity paradox for mid- and long-term mortality in older cancer patients: a prospective multicenter cohort study.

The American journal of clinical nutrition

Martinez-Tapia C, Diot T, Oubaya N, Paillaud E, Poisson J, Gisselbrecht M, Morisset L, Caillet P, Baudin A, Pamoukdjian F, Broussier A, Bastuji-Garin S, Laurent M, Canouï-Poitrine F.
PMID: 32889525
Am J Clin Nutr. 2020 Sep 05; doi: 10.1093/ajcn/nqaa238. Epub 2020 Sep 05.

BACKGROUND: Overweight and obesity are associated with adverse health outcomes. However, substantial literature suggests that they are associated with longer survival among older people. This "obesity paradox" remains controversial. In the context of cancer, the association between overweight/obesity and...

The Influence of OAT1 Density and Functionality on Indoxyl Sulfate Transport in the Human Proximal Tubule: An Integrated Computational and In Vitro Study.

Toxins

King J, Mihaila SM, Ahmed S, Truckenmüller R, Giselbrecht S, Masereeuw R, Carlier A.
PMID: 34678967
Toxins (Basel). 2021 Sep 22;13(10). doi: 10.3390/toxins13100674.

Research has shown that traditional dialysis is an insufficient long-term therapy for patients suffering from end-stage kidney disease due to the high retention of uremic toxins in the blood as a result of the absence of the active transport...

Highly functionalized dimeric tetraethynylethenes and expanded radialenes: strong evidence for macrocyclic cross-conjugation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Nielsen MB, Schreiber M, Baek YG, Seiler P, Lecomte S, Boudon C, Tykwinski RR, Gisselbrecht JP, Gramlich V, Skinner PJ, Bosshard C, Günter P, Gross M, Diederich F.
PMID: 11531112
Chemistry. 2001 Aug 03;7(15):3263-80. doi: 10.1002/1521-3765(20010803)7:15<3263::aid-chem3263>3.0.co;2-3.

A selection of dimeric tetraethynylethenes (TEEs) and perethynylated expanded radialenes, containing different donor/acceptor substitution patterns, have been prepared and fully characterized. The first X-ray crystal structure of an expanded [6]radialene, with twelve peripheral 3,5-di(tert-butyl)phenyl substituents, is presented. This macrocycle,...

End-cap stabilized oligoynes: model compounds for the linear sp carbon allotrope carbyne.

Chemistry (Weinheim an der Bergstrasse, Germany)

Gibtner T, Hampel F, Gisselbrecht JP, Hirsch A.
PMID: 11843154
Chemistry. 2002 Jan 18;8(2):408-32. doi: 10.1002/1521-3765(20020118)8:2<408::AID-CHEM408>3.0.CO;2-L.

Three series of differently 3,5-disubstituted alpha,omega-diphenylpolyynes Ar-(C[triple bond]C)n-Ar (n=2, 4, 6, 8, 10) were synthesized under optimized Cadiot-Chodkiewicz conditions, isolated and completely characterized. These compounds can be considered as model substances for the hypothetical one-dimensional carbon allotrope carbyne Cx....

Functional supramolecular devices: [M4IIL4]8+ [2 x 2]-grid-type complexes as multilevel molecular electronic species.

Chemistry (Weinheim an der Bergstrasse, Germany)

Ruben M, Breuning E, Barboiu M, Gisselbrecht JP, Lehn JM.
PMID: 12506385
Chemistry. 2003 Jan 03;9(1):291-9. doi: 10.1002/chem.200390022.

The [M(4)(II)L(4)](8+) [2 x 2]-grid-type complexes 1-8 present a set of features of particular interest for potential applications. All complexes exhibit multiple reduction levels at low reduction potentials paired with rather high stability. The modulation of the reduction potentials...

Spiroconjugation in spirodicorrolato-dinickel(II).

Chemistry (Weinheim an der Bergstrasse, Germany)

Hohlneicher G, Bremm D, Wytko J, Bley-Escrich J, Gisselbrecht JP, Gross M, Michels M, Lex J, Vogel E.
PMID: 14639647
Chemistry. 2003 Nov 21;9(22):5636-42. doi: 10.1002/chem.200305094.

In the present work the effect of spiroconjugation on the electronic spectrum of the recently synthesized metal complex hexadecaethylspirodicorrolato-dinickel(II) (5) (the corrole units in 5 are isoforms) is investigated. To have a suitable reference compound at our disposal, tetraethylhexamethylisocorrolato...

Showing 25 to 36 of 142 entries