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Showing 13 to 24 of 313 entries
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Synchronous x-ray and radio mode switches: a rapid global transformation of the pulsar magnetosphere.

Science (New York, N.Y.)

Hermsen W, Hessels JW, Kuiper L, van Leeuwen J, Mitra D, de Plaa J, Rankin JM, Stappers BW, Wright GA, Basu R, Alexov A, Coenen T, Grießmeier JM, Hassall TE, Karastergiou A, Keane E, Kondratiev VI, Kramer M, Kuniyoshi M, Noutsos A, Serylak M, Pilia M, Sobey C, Weltevrede P, Zagkouris K, Asgekar A, Avruch IM, Batejat F, Bell ME, Bell MR, Bentum MJ, Bernardi G, Best P, Bîrzan L, Bonafede A, Breitling F, Broderick J, Brüggen M, Butcher HR, Ciardi B, Duscha S, Eislöffel J, Falcke H, Fender R, Ferrari C, Frieswijk W, Garrett MA, de Gasperin F, de Geus E, Gunst AW, Heald G, Hoeft M, Horneffer A, Iacobelli M, Kuper G, Maat P, Macario G, Markoff S, McKean JP, Mevius M, Miller-Jones JC, Morganti R, Munk H, Orrú E, Paas H, Pandey-Pommier M, Pandey VN, Pizzo R, Polatidis AG, Rawlings S, Reich W, Röttgering H, Scaife AM, Schoenmakers A, Shulevski A, Sluman J, Steinmetz M, Tagger M, Tang Y, Tasse C, ter Veen S, Vermeulen R, van de Brink RH, van Weeren RJ, Wijers RA, Wise MW, Wucknitz O, Yatawatta S, Zarka P.
PMID: 23349288
Science. 2013 Jan 25;339(6118):436-9. doi: 10.1126/science.1230960.

Pulsars emit from low-frequency radio waves up to high-energy gamma-rays, generated anywhere from the stellar surface out to the edge of the magnetosphere. Detecting correlated mode changes across the electromagnetic spectrum is therefore key to understanding the physical relationship...

Cavity-based single atom preparation and high-fidelity hyperfine state readout.

Physical review letters

Gehr R, Volz J, Dubois G, Steinmetz T, Colombe Y, Lev BL, Long R, Estève J, Reichel J.
PMID: 20867027
Phys Rev Lett. 2010 May 21;104(20):203602. doi: 10.1103/PhysRevLett.104.203602. Epub 2010 May 20.

We prepare and detect the hyperfine state of a single 87Rb atom coupled to a fiber-based high-finesse cavity on an atom chip. The atom is extracted from a Bose-Einstein condensate and trapped at the maximum of the cavity field,...

Benchmark study of the performance of density functional theory for bond activations with (ni,pd)-based transition-metal catalysts.

ChemistryOpen

Steinmetz M, Grimme S.
PMID: 24551548
ChemistryOpen. 2013 Jun;2(3):115-24. doi: 10.1002/open.201300012. Epub 2013 Jun 03.

The performance of 23 density functionals, including one LDA, four GGAs, three meta-GGAs, three hybrid GGAs, eight hybrid meta-GGAs, and ten double-hybrid functionals, was investigated for the computation of activation energies of various covalent main-group single bonds by four...

Interstellar medium. Pseudo-three-dimensional maps of the diffuse interstellar band at 862 nm.

Science (New York, N.Y.)

Kos J, Zwitter T, Wyse R, Bienaymé O, Binney J, Bland-Hawthorn J, Freeman K, Gibson BK, Gilmore G, Grebel EK, Helmi A, Kordopatis G, Munari U, Navarro J, Parker Q, Reid WA, Seabroke G, Sharma S, Siebert A, Siviero A, Steinmetz M, Watson FG, Williams ME.
PMID: 25124434
Science. 2014 Aug 15;345(6198):791-5. doi: 10.1126/science.1253171.

The diffuse interstellar bands (DIBs) are absorption lines observed in visual and near-infrared spectra of stars. Understanding their origin in the interstellar medium is one of the oldest problems in astronomical spectroscopy, as DIBs have been known since 1922....

The geography of graduate medical education: imbalances signal need for new distribution policies.

Health affairs (Project Hope)

Mullan F, Chen C, Steinmetz E.
PMID: 24191080
Health Aff (Millwood). 2013 Nov;32(11):1914-21. doi: 10.1377/hlthaff.2013.0545.

Graduate medical education (GME) determines the overall number, specialization mix, and geographic distribution of the US physician workforce. Medicare GME payments-which represent the largest single public investment in health workforce development-are allocated based on an inflexible system whose rationale,...

The role of T-cell receptor α and β genes in MHC-restricted antigen recognition.

Immunology today

Dembić Z, von Boehmer H, Steinmetz M.
PMID: 25290849
Immunol Today. 1986 Oct;7(10):308-11. doi: 10.1016/0167-5699(86)90068-X.

T cells use α- and β-chain genes, which are organized and diversified by somatic DNA rearrangements much like the immunoglobulin genes, to encode clonally distributed receptor molecules which confer specificity for MHC and antigen. Here Zlatko Dembic and his...

Effects of London dispersion correction in density functional theory on the structures of organic molecules in the gas phase.

Physical chemistry chemical physics : PCCP

Grimme S, Steinmetz M.
PMID: 23963317
Phys Chem Chem Phys. 2013 Oct 14;15(38):16031-42. doi: 10.1039/c3cp52293h. Epub 2013 Aug 21.

A benchmark set of 25 rotational constants measured in the gas phase for nine molecules (termed ROT25) was compiled from available experimental data. The medium-sized molecules with 18-35 atoms cover common (bio)organic structure motifs including hydrogen bonding and flexible...

Defense Mechanisms of Hepatocytes Against Burkholderia pseudomallei.

Frontiers in microbiology

Bast A, Schmidt IH, Brauner P, Brix B, Breitbach K, Steinmetz I.
PMID: 22291688
Front Microbiol. 2012 Jan 10;2:277. doi: 10.3389/fmicb.2011.00277. eCollection 2011.

The Gram-negative facultative intracellular rod Burkholderia pseudomallei causes melioidosis, an infectious disease with a wide range of clinical presentations. Among the observed visceral abscesses, the liver is commonly affected. However, neither this organotropism of B. pseudomallei nor local hepatic...

The role of intravenous iron in the treatment of anemia in cancer patients.

Therapeutic advances in hematology

Steinmetz HT.
PMID: 23556124
Ther Adv Hematol. 2012 Jun;3(3):177-91. doi: 10.1177/2040620712440071.

Anemia is a major cause of morbidity in cancer patients resulting in poor physical performance, prognosis and therapy outcome. Initially, erythropoietin-stimulating agents (ESAs) were supposed to be the treatment of choice but about one third of patients turned out...

Mortality and molecular epidemiology associated with extended-spectrum β-lactamase production in Escherichia coli from bloodstream infection.

Infection and drug resistance

Leistner R, Sakellariou C, Gürntke S, Kola A, Steinmetz I, Kohler C, Pfeifer Y, Eller C, Gastmeier P, Schwab F.
PMID: 24648746
Infect Drug Resist. 2014 Mar 13;7:57-62. doi: 10.2147/IDR.S56984. eCollection 2014.

BACKGROUND: The rate of infections due to extended-spectrum β-lactamase (ESBL)-producing Escherichia coli is growing worldwide. These infections are suspected to be related to increased mortality. We aimed to estimate the difference in mortality due to bloodstream infections (BSIs) with...

Persistent left superior vena cava detected after central venous catheter insertion.

SpringerPlus

Sohns JM, Fasshauer M, Staab W, Steinmetz M, Unterberg-Buchwald C, Menke J, Lotz J.
PMID: 25184107
Springerplus. 2014 Aug 15;3:437. doi: 10.1186/2193-1801-3-437. eCollection 2014.

INTRODUCTION: Persistent left superior vena cava is a rare case with an appearance of 0.3% to 0.5% of individuals in general population. Indication for jugular venous intervention could be different, such as implantable venous catheters for oncological therapy. The...

Melioidosis in Vietnam: Recently Improved Recognition but still an Uncertain Disease Burden after Almost a Century of Reporting.

Tropical medicine and infectious disease

Trinh TT, Nguyen LDN, Nguyen TV, Tran CX, Le AV, Nguyen HV, Assig K, Lichtenegger S, Wagner GE, Do CD, Steinmetz I.
PMID: 30274435
Trop Med Infect Dis. 2018 Apr 09;3(2). doi: 10.3390/tropicalmed3020039.

The first cases of human melioidosis were described in Vietnam in the 1920s, almost a century ago. It was in Vietnam in the thirties that the saprophytic nature of

Showing 13 to 24 of 313 entries