Results 41 to 50 of about 5,068 (263)

Hubble Space Telescope Observations of the Oldest Star Clusters in the LMC [PDF]

, 1999
We present V, V-I color-magnitude diagrams (CMDs) for three old star clusters in the Large Magellanic Cloud (LMC): NGC 1466, NGC 2257 and Hodge 11. Our data extend about 3 magnitudes below the main-sequence turnoff, allowing us to determine accurate ...
Andersen J., Bower R., Brocato E., Buonanno R., Chaboyer B., Feast M. W., Fernley J., Frenk C. S., Goodwin S. P., James E. Hesser, Jennifer A. Johnson, Michael Bolte, Mighell K. J., Peter B. Stetson, Pont F., Rachel S. Somerville, Stetson P. B., Testa V.   +17 more
core   +2 more sources

Reconfigurable 3D Magnetic Nanoarchitectures

Advanced Functional Materials, EarlyView.
This experimental study confirms that 3D magnetic tetrapods grown by focused electron beam‐induced deposition exhibit sequential, controllable magnetization reversal in the individual nanowire legs. The magnetic state of the nanoarchitecture can be controlled individually, on‐demand, through a variation of the direction and magnitude of the applied ...
Sabri Koraltan, Fabrizio Porrati, Robert Kraft, Sven Barth, Markus Weigand, Claas Abert, Dieter Suess, Michael Huth, Sebastian Wintz   +8 more
wiley   +1 more source

Rolling Ultrasharp Microneedle Spheres Enable Topical Delivery of Biologics Through the Skin

Advanced Healthcare Materials, EarlyView.
Rolling ultraminiaturized microneedle spheres (RUMS), created via two‐photon polymerization, unlock effective and painless topical delivery of messenger RNA (mRNA) and drugs through the skin. By gently forming thousands of microscopic pores, RUMS boost skin permeability by up to 100‐fold.
Theocharis Nikiforos Iordanidis, Argyris Spyrou, Samantha Roudi, Fredrik J. Swartling, Göran Stemme, Samir EL Andaloussi, Niclas Roxhed   +6 more
wiley   +1 more source

Spectroscopic and asteroseismic analysis of the remarkable main-sequence A star KIC 11145123 [PDF]

, 2017
A spectroscopic analysis was carried out to clarify the properties of KIC 11145123 -- the first main-sequence star with a determination of core-to-surface rotation -- based on spectra observed with the High Dispersion Spectrograph (HDS) of the Subaru ...
Kurtz, Donald W., Murphy, Simon J., Saio, Hideyuki, Sekii, Takashi, Shibahashi, Hiromoto, Takada-Hidai, Masahide, Takata, Masao   +6 more
core   +2 more sources

Novel 3D‐Printed Biophotonic Scaffold Displaying Luminescence under Near‐Infrared Light for Photopharmacological Activation and Biological Signaling Compound Release

Advanced Healthcare Materials, EarlyView.
Despite significant efforts in developing novel biomaterials to regenerate tissue, only a few of them have successfully reached clinical use. It has become clear that the next generation of biomaterials must be multifunctional. Smart biomaterials can respond to environmental or external stimuli, interact in a spatial‐temporal manner, and trigger ...
Sonya Ghanavati, Ekin Opar, Virginia Alessandra Gobbo, Carlo Matera, Fabio Riefolo, Rossella Castagna, Julien Colombelli, Andrew Draganski, J. Baggott, Mika Lastusaari, Pau Gorostiza, Laeticia Petit, Jonathan Massera   +12 more
wiley   +1 more source

The blue stragglers formed via mass transfer in old open clusters

, 2006
In this paper, we present the simulations for the primordial blue stragglers in the old open cluster M67 based on detailed modelling of the evolutionary processes.
Alexander, B. Tian, Chen, Collier, Davies, Deng, Eggleton, Eggleton, Eggleton, Fan, Ferraro, Fregeau, Goldman, Han, Han, Hills, Hobbs, Hurly, Hurly, Iglesias, Kippenhahn, Kroupa, L. Deng, Lejeune, Lejeune, Leonard, Lombardi, Mapelli, Mathieu, Mathys, McCrea, Nemec, Ouellette, Piotto, Pols, Pols, Pols, Sandage, Sandquist, Sandquist, Sandquist, Schiavon, Shara, Stepien, Strom, Tassoul, van den Berg, X. B. Zhang, Z. Han, Zahn   +49 more
core   +2 more sources

Standalone Integrated Magnonic Devices

Advanced Materials, EarlyView.
A standalone (not requiring external bias magnetic field) and tunable magnonic device is reported with all‐electric input and output, fully integrated on silicon (total footprint of 100 × 150 µm) and 3–8 GHz frequency band. This is achieved by monolithic integration of a CoFeB conduit with RF antennas and an assembly of NiFe and SmCo micromagnets ...
M. Cocconcelli, F. Maspero, A. Micelli, A. Toniato, A. Del Giacco, N. Pellizzi, A. E. Plaza, A. Cattoni, M. Madami, R. Silvani, C. Adelmann, A. A. Hamadeh, P. Pirro, S. Tacchi, F. Ciubotaru, R. Bertacco   +15 more
wiley   +1 more source

Stellar Populations and Variable Stars in the Core of the Globular Cluster M5 [PDF]

, 1997
We report the discovery of a variable blue straggler in the core of the globular cluster M5, based on a 12-hour long series of images obtained with the Planetary Camera aboard the Hubble Space Telescope.
Buonanno R., Kadla Z. I., Kravtsov V. V., Laurent Drissen, Michael M. Shara, Reid N., Yan L.   +6 more
core   +2 more sources

Spin‐Polarized Antiferromagnets for Spintronics

Advanced Materials, EarlyView.
This review highlights recent advances in anomalous and spin transport phenomena in spin‐polarized antiferromagnets. Key effects—including the anomalous Hall, Nernst, and magneto‐optical effects—are discussed across various antiferromagnetic platforms.
Zhenzhou Guo, Xiaotian Wang, Wenhong Wang, Gang Zhang, Xiaodong Zhou, Zhenxiang Cheng   +5 more
wiley   +1 more source

Evolution of Mass Functions of Coeval Stars through Wind Mass Loss and Binary Interactions [PDF]

, 2015
Accurate determinations of stellar mass functions and ages of stellar populations are crucial to much of astrophysics. We analyse the evolution of stellar mass functions of coeval main sequence stars including all relevant aspects of single- and binary ...
de Mink, S. E., Izzard, R. G., Langer, N., Schneider, F. R. N.   +3 more
core   +2 more sources