Results 81 to 90 of about 3,164,796 (323)

Near-Infrared spectroscopy of the super star cluster in NGC1705

, 2012
We study the near-infrared properties of the super star cluster NGC1750-1 in order to constrain its spatial extent, its stellar population and its age. We use adaptive optics assisted integral field spectroscopy with SINFONI on the VLT.
Eisenhauer, F., Lutz, D., Martins, F., Schreiber, N. M. Foerster   +3 more
core   +1 more source

Biomedical Application of the Evolutionary Higher-Order Spectrum

EPiC Series in Computing, 2019
Most of the biomedical signals are considered non-stationary since the human behavior depends on time. The ECG signal is one of the most important signals in cardiogram analysis. Although it provides a valuable basis for the clinical diagnosis and treatment of several diseases, it can be easily affected by various interferences caused by the power of ...
Abdullah Al-Shoshan, Abdulmalik Al-Shoshan   +1 more
openaire   +2 more sources

Identifying transcription factors controlling the basal expression of human MRP4 highlights a substantial role for Sp1

FEBS Open Bio, EarlyView.
The MRP4 transporter exports several drugs and signaling molecules. Here, we identified key promoter elements regulating basal MRP4 expression. Using reporter assays, we defined a conserved region with essential Sp1 and contributory Ets sites, which controlled basal MRP4 expression.
Debora Singer, Angelique Kragl, Katrin Ziems, Juliane Glaubitz, Sophie Grammbauer, Susanne Hildebrandt, Mladen V. Tzvetkov, Gabriele Jedlitschky   +7 more
wiley   +1 more source

Simulations of Electron Capture and Low-Mass Iron Core Supernovae

, 2017
The evolutionary pathways of core-collapse supernova progenitors at the low-mass end of the spectrum are beset with major uncertainties. In recent years, a variety of evolutionary channels has been discovered in addition to the classical electron capture
Gay, D., Heger, A., Janka, H. -Th., Müller, B., Sim, S. A., Wanajo, S.   +5 more
core  

Game Theoretic Approaches for Cooperative Spectrum Sensing in Energy-Harvesting Cognitive Radio Networks

IEEE Access, 2018
In this paper, we propose game-theoretic approaches to model the cooperative spectrum sensing in cognitive radio environment with cognitive secondary users (SU) capable of energy harvesting. An evolutionary game model is considered in the first scenario,
Osama Elnahas, Maha Elsabrouty, Osamu Muta, Hiroshi Furukawa   +3 more
doaj   +1 more source

Natural Products as Geroprotective Modulators in Diabetic Nephropathy: A Mechanistic Framework Integrating Aging Hallmarks and the AMPK–SIRT1–Nrf2 Axis

Aging and Cancer, EarlyView.
Natural products target the aging kidney in diabetic nephropathy by restoring the AMPK–SIRT1–Nrf2 axis, reducing oxidative stress, inflammation, fibrosis, and cellular senescence while enhancing mitochondrial biogenesis and antioxidant defenses.
Sherif Hamidu, Latif Adams, Eunice Ampem‐Danso, Justice Kumi, Abigail Aning, Fatima Hamidu, Mustapha Abdul Mumin Mohammed, Ayuba Nii Darku Ankrah, Seth Kwabena Amponsah   +8 more
wiley   +1 more source

The Compact Structure of Radio-Loud Broad Absorption Line Quasars

, 2008
We present the results of EVN+MERLIN VLBI polarization observations of 8 Broad Absorption Line (BAL) quasars at 1.6 GHz, including 4 LoBALs and 4 HiBALs with either steep or flat spectra on VLA scales.
Becker, Benn, Blundell, Boroson, Boroson, Briggs, Brotherton, Cohen, D. R. Jiang, F. G. Xie, Ghosh, Goodrich, Gregg, Gregg, Hewett, Hines, Jarvis, Jiang, Kaspi, Knigge, Menou, Montenegro-Montes, O'Dea, Punsly, Reichard, Shen, Shepherd, T. G. Wang, Tolea, Urry, Wang, Weymann, Weymann, Willott, Wills, Y. Liu, Yuan, Zhou   +37 more
core   +1 more source

Mutant NPM1 in Acute Myeloid Leukemia Initiation and Maintenance

Aging and Cancer, EarlyView.
NPM1 mutations drive acute myeloid leukemia by acting as neomorphic transcriptional regulators that cooperate with Menin–MLL and XPO1 to sustain HOX/MEIS1 expression and block differentiation. Targeting these mutant‐specific transcriptional dependencies provides a rational therapeutic strategy for NPM1‐mutated AML.
Yanan Jiang, Zhong Fan, Runmeng Liu, Xiaotian Zhang   +3 more
wiley   +1 more source

Predictions for high-frequency radio surveys of extragalactic sources

, 2004
We present detailed predictions of the contributions of the various source populations to the counts at frequencies of tens of GHz. New evolutionary models are worked out for flat-spectrum radio quasars, BL Lac objects, and steep-spectrum sources. Source
Aghanim, Agol, Aitken, Allen, Argüeso, Baganoff, Barbosa, Bennett, Blandford, Bondi, Bryan, Carlstrom, Chapman, Ciardi, Colafrancesco, Condon, D. Mesa, Dallacasa, Dawson, De Zotti, Di Matteo, di Matteo, Dunlop, Dupac, Eke, Ettori, Fabian, Fanti, Fomalont, G. De Zotti, Galliano, Garrett, Gavazzi, Gehrels, Gnedin, Grainge, Granato, Granato, Gregory, Gregory, Gruppioni, Helou, Herranz, Holder, Ikebe, Ikeuchi, J. González-Nuevo, Jackson, Komatsu, Kovac, Kühr, L. Silva, L. Toffolatti, Lapi, Martínez-González, Mason, Massardi, Morganti, Mészáros, Natarajan, Natarajan, O'Dea, Oh, P. Mazzotta, Pauliny-Toth, Pauliny-Toth, Peacock, Perna, Pierpaoli, Pierpaoli, Platania, Polatidis, R. Ricci, Readhead, Rees, Rees, Refregier, Rosa-González, Sadler, Seaton, Sheth, Silva, Snellen, Sunyaev, Taylor, Taylor, Toffolatti, Toffolatti, Trushkin, Tschager, Vielva, Waldram, Waxman, White, Wijers   +94 more
core   +1 more source

Age‐Related Characteristics of SYT1‐Associated Neurodevelopmental Disorder

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objectives We describe the clinical manifestations and developmental abilities of individuals with SYT1‐associated neurodevelopmental disorder (Baker‐Gordon syndrome) from infancy to adulthood. We further describe the neuroradiological and electrophysiological characteristics of the condition at different ages, and explore the associations ...
Sam G. Norwitz, Josefine Eck, Joel S. Winston, Kate Baker   +3 more
wiley   +1 more source