Results 31 to 40 of about 322,529 (315)

First application experiments with the Stockholm compact soft x-ray microscope [PDF]

, 2022
Most soft x-ray microscopes operating in the water window (λ = 2.3 − 4.4 nm) rely on synchrotron radiation sources. In the future we believe scientists will use soft x-ray microscopes as one imaging tool among others in their own laboratory.
Vogt, U., von Hofsten, O., J Thieme, ; 2Institute for X-Ray Physics, University of Göttingen, Friedrich-Hund-Platz 1, D-37077 Göttingen, Germany, Holmberg, A., Hertz, H., O von Hofsten, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden, H Hertz, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden, Lindblom, M., A Holmberg, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden, M Bertilson, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden, Bertilson, M., U Vogt, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden, Takman, P., P Takman, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden, Thieme, J., M Lindblom, ; 1Biomedical and X-Ray Physics, Royal Institute of Technology/Albanova, SE-10691, Stockholm, Sweden   +15 more
core   +1 more source

X-ray reflection in a sample of X-ray bright ultraluminous X-ray sources [PDF]

Monthly Notices of the Royal Astronomical Society, 2010
We apply a reflection-based model to the best available XMM-Newton spectra of X-ray bright UltraLuminous X-ray (ULX) sources (NGC 1313 X-1, NGC 1313 X-2, M 81 X-6, Holmberg IX X-1, NGC 5408 X-1 and Holmberg II X-1). A spectral drop is apparent in the data of all the sources at energies 6-7 keV.
Caballero-Garcia, M. D., Fabian, A. C.
openaire   +2 more sources

The nature of the X-ray transient MAXI J0556−332 [PDF]

, 2012
Phase-resolved spectroscopy of the newly discovered X-ray transient MAXIJ0556-332 has revealed the presence of narrow emission lines in the Bowen region that most likely arise on the surface of the mass donor star in this low-mass X-ray binary.
Charles, PA, Cornelisse, R., Steeghs, D., O'Brien, Kieran, Munoz-Darias, T, Israel, G., Israel, G, Charles, P. A., Steeghs, D, Casares, J, Torres, M. A. P., Muñoz-Darias, T., Casares, J., Stella, L, Campana, S, Torres, M.A.P., Torres, MAP, Campana, S., Charles, P.A., Stella, L., D'Avanzo, P, O'Brien, K, Cornelisse, R, Israel, G. L., O'Brien, K., D'Avanzo, P.   +25 more
core   +1 more source

X-Ray and optical observations of the X-ray source EX0020528+1454.8 [PDF]

Astrophysics and Space Science, 1987
AbstractWe present preliminary results of the EXOSAT X-ray observations and quasisimultaneous and simultaneous optical photometry of the X-ray source EX0020528+1454.8 = 1E0205+149 found independently as an serendipitous source both with Einstein and EXOSAT satellites.
R. Hudec, W. Wenzel, W. Goetz, B. Valníček, R. Peřestý, G.A. Richter, G. Hacke, H. Huth, A. Mrkos, J. Tremko   +9 more
openaire   +1 more source

Phase Angle as an Early Functional Biomarker of Cancer‐Related Fatigue in Pediatric Oncology: A Prospective Longitudinal Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Pediatric cancer remains a leading cause of morbidity and mortality worldwide, particularly in low‐and middle‐income countries. Cancer treatment may impair nutritional status, alter body composition, and exacerbate cancer‐related fatigue (CRF).
Luís Carlos Lopes‐Junior, Luiz Claudio Barreto Silva Neto, Fabiano Kenji Haraguchi, Letícia Batista de Azevedo, Marcelo Brenner Nascimento Carlini, Raphael Manhães Pessanha, Mariana Rabello Laignier, Wesley Rocha Grippa, Tania Mara Lopes Bitti Bortolini, Gláucia Zouain‐Figueiredo, Regina Aparecida Garcia de Lima, Liliana Vasquez   +11 more
wiley   +1 more source

Optical & X-ray Studies of Ultraluminous X-ray Sources [PDF]

, 2009
Ultraluminous X-ray Sources (ULXs) are point like X-ray sources situated external to the nucleus of their host galaxy, with inferred X-ray luminosities in excess of 10^{39} erg s^{−1} .
Gladstone, Jeanette Claire, GLADSTONE, JEANETTE,CLAIRE   +1 more
core  

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source

X-RAY EMISSION OF ICRF SOURCES

Odessa Astronomical Publications, 2018
Considering increasing requirements to the coordinates measurement precision by the end of XX century International Astronomical Union commenced implementation of the new astrometric system ICRF (International Celestial Reference Frame) .
V. V. Voitsekhovskiy, A. Tugay, V. V. Tkachuk, S. Yu. Shevchenko   +3 more
doaj   +1 more source

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

The properties of discrete X-ray sources in star-forming galaxies [PDF]

, 2012
Observations of starburst galaxies have revealed a large number of point-like X-ray sources located within these systems, including active galactic nuclei (AGN), X-ray binaries (XRBs), and utraluminous X-ray sources (ULXs).
JACKSON, FLOYD,EMMANUEL
core