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Showing 25 to 36 of 1668 entries
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An operando FTIR spectroscopic and kinetic study of carbon monoxide pressure influence on rhodium-catalyzed olefin hydroformylation.

Chemistry (Weinheim an der Bergstrasse, Germany)

Kubis C, Sawall M, Block A, Neymeyr K, Ludwig R, Börner A, Selent D.
PMID: 25081298
Chemistry. 2014 Sep 08;20(37):11921-31. doi: 10.1002/chem.201402515. Epub 2014 Jul 31.

The influence of carbon monoxide concentration on the kinetics of the hydroformylation of 3,3-dimethyl-1-butene with a phosphite-modified rhodium catalyst has been studied for the pressure range p(CO)=0.20-3.83 MPa. Highly resolved time-dependent concentration profiles of the organometallic intermediates were derived...

Direct Observation of Photoinduced Charge Separation in Ruthenium Complex/Ni(OH)2 Nanoparticle Hybrid.

Scientific reports

Tang Y, Pattengale B, Ludwig J, Atifi A, Zinovev AV, Dong B, Kong Q, Zuo X, Zhang X, Huang J.
PMID: 26673578
Sci Rep. 2015 Dec 17;5:18505. doi: 10.1038/srep18505.

Ni(OH)2 have emerged as important functional materials for solar fuel conversion because of their potential as cost-effective bifunctional catalysts for both hydrogen and oxygen evolution reactions. However, their roles as photocatalysts in the photoinduced charge separation (CS) reactions remain...

Infiltrative Hepatocellular Carcinoma With Portal Vein Tumor Thrombosis Treated With a Single High-Dose Y90 Radioembolization and Subsequent Liver Transplantation Without a Recurrence.

Transplantation direct

Dendy MS, Camacho JC, Ludwig JM, Krasinskas AM, Knechtle SJ, Kim HS.
PMID: 28894793
Transplant Direct. 2017 Aug 18;3(9):e206. doi: 10.1097/TXD.0000000000000707. eCollection 2017 Sep.

BACKGROUND: Infiltrative hepatocellular carcinoma with macrovascular invasion is a relatively rare presentation and usually fatal disease.METHODS: Both patients exceeded Milan and University of California-San Francisco (UCSF) criteria, and per Barcelona Clinic Liver Cancer group guidelines, they were enrolled in...

Predicting potential distribution of poorly known species with small database: the case of four-horned antelope Tetracerus quadricornis on the Indian subcontinent.

Ecology and evolution

Pokharel KP, Ludwig T, Storch I.
PMID: 27069584
Ecol Evol. 2016 Mar 04;6(8):2297-307. doi: 10.1002/ece3.2037. eCollection 2016 Apr.

Information gaps on the distribution of data deficient and rare species such as four-horned antelope (FHA) in Nepal may impair their conservation. We aimed to empirically predict the distribution of FHA in Nepal with the help of data from...

Light-Matter Interaction at Surfaces in the Spatiotemporal Limit of Macroscopic Models.

Physical review letters

Lucchini M, Castiglioni L, Kasmi L, Kliuiev P, Ludwig A, Greif M, Osterwalder J, Hengsberger M, Gallmann L, Keller U.
PMID: 26451581
Phys Rev Lett. 2015 Sep 25;115(13):137401. doi: 10.1103/PhysRevLett.115.137401. Epub 2015 Sep 22.

What is the spatiotemporal limit of a macroscopic model that describes the optoelectronic interaction at the interface between different media? This fundamental question has become relevant for time-dependent photoemission from solid surfaces using probes that resolve attosecond electron dynamics...

Deuteron quadrupole coupling constants and reorientational correlation times in protic ionic liquids.

Physical chemistry chemical physics : PCCP

Strauch M, Bonsa AM, Golub B, Overbeck V, Michalik D, Paschek D, Ludwig R.
PMID: 27067640
Phys Chem Chem Phys. 2016 Jul 21;18(27):17788-94. doi: 10.1039/c6cp01462c. Epub 2016 Apr 12.

We describe a method for the accurate determination of deuteron quadrupole coupling constants χD for N-D bonds in triethylammonium-based protic ionic liquids (PILs). This approach was first introduced by Wendt and Farrar for O-D bonds in molecular liquids, and...

Molecular Dynamics Simulation of Bismuth Telluride Exfoliation Mechanisms in Different Ionic Liquid Solvents.

Langmuir : the ACS journal of surfaces and colloids

Abedini A, Ludwig T, Zhang Z, Turner CH.
PMID: 27622940
Langmuir. 2016 Oct 04;32(39):9982-9992. doi: 10.1021/acs.langmuir.6b02663. Epub 2016 Sep 22.

Bismuth telluride (Bi

Effect of water on the fluorine and chlorine partitioning behavior between olivine and silicate melt.

Contributions to mineralogy and petrology. Beitrage zur Mineralogie und Petrologie

Joachim B, Stechern A, Ludwig T, Konzett J, Pawley A, Ruzié-Hamilton L, Clay PL, Burgess R, Ballentine CJ.
PMID: 28360435
Contrib Mineral Petrol. 2017;172(4):15. doi: 10.1007/s00410-017-1329-1. Epub 2017 Mar 16.

Halogens show a range from moderate (F) to highly (Cl, Br, I) volatile and incompatible behavior, which makes them excellent tracers for volatile transport processes in the Earth's mantle. Experimentally determined fluorine and chlorine partitioning data between mantle minerals...

Role of the electron spin in determining the coherence of the nuclear spins in a quantum dot.

Nature nanotechnology

Wüst G, Munsch M, Maier F, Kuhlmann AV, Ludwig A, Wieck AD, Loss D, Poggio M, Warburton RJ.
PMID: 27428274
Nat Nanotechnol. 2016 Oct;11(10):885-889. doi: 10.1038/nnano.2016.114. Epub 2016 Jul 11.

A huge effort is underway to develop semiconductor nanostructures as low-noise qubits. A key source of dephasing for an electron spin qubit in GaAs and in naturally occurring Si is the nuclear spin bath. The electron spin is coupled...

The Life Span Model of Suicide and Its Neurobiological Foundation.

Frontiers in neuroscience

Ludwig B, Roy B, Wang Q, Birur B, Dwivedi Y.
PMID: 28261051
Front Neurosci. 2017 Feb 14;11:74. doi: 10.3389/fnins.2017.00074. eCollection 2017.

The very incomprehensibility of the suicidal act has been occupying the minds of researchers and health professionals for a long time. Several theories of suicide have been proposed since the beginning of the past century, and a myriad of...

Base-free hydrogen generation from methanol using a bi-catalytic system.

Chemical communications (Cambridge, England)

Monney A, Barsch E, Sponholz P, Junge H, Ludwig R, Beller M.
PMID: 24288039
Chem Commun (Camb). 2014 Jan 21;50(6):707-9. doi: 10.1039/c3cc47306f. Epub 2013 Nov 28.

A bi-catalytic system, in which Ru-MACHO-BH and Ru(H)2(dppe)2 interact in a synergistic manner, was developed for the base-free dehydrogenation of methanol. A total TON > 4200 was obtained with only trace amounts of CO contamination (

Optical properties of strain-compensated CdSe/ZnSe/(Zn,Mg)Se quantum well microdisks.

Optics express

Ruth M, Finke A, Schmidt G, Reuter D, Scholz S, Ludwig A, Wieck AD, Pawlis A.
PMID: 26561177
Opt Express. 2015 Nov 02;23(22):29079-88. doi: 10.1364/OE.23.029079.

Strain-compensated CdSe/ZnSe/(Zn,Mg)Se quantum well structures that were grown on (In,Ga)As allow for efficient room-temperature photoluminescence and spectral tuning over the whole visible range. We fabricated microdisk cavities from these samples by making use of a challenging chemical structuring technique...

Showing 25 to 36 of 1668 entries