Results 61 to 70 of about 926 (266)

Thermally Activated Delayed Fluorescence in Phase‐Separated Nanostructures

Advanced Functional Materials, EarlyView.
A supramolecular, phase‐separation driven strategy yields charge transfer (CT) complexes from alternating electron‐deficient pyromellitic diimide and electron‐rich 4,5‐dibromoveratrole. The resulting CT complexes self‐assemble into lamellar nanosheets with nanometer‐sized domains that exhibit thermally activated delayed fluorescence (TADF) at room ...
Bart W.L. van den Bersselaar, Giovanni M. Beneventi, Philip M. Greißel, Lukas A. Mai, Stefan J. D. Maessen, Bas F.M. de Waal, E.W. Meijer, Dirk M. Guldi, Ghislaine Vantomme   +8 more
wiley   +1 more source

Self‐Powered Permeable Electronic Dressing for Exudate Management, Electrostimulation and Drug Delivery in Chronic Wound Healing

Advanced Functional Materials, EarlyView.
This study develops a self‐powered permeable electronic dressing (SPED) that synergistically integrates exudate management, electrical stimulation, and on‐demand drug delivery. The dressing effectively absorbs exudate while demonstrating potent antibacterial activity and accelerated tissue regeneration in diabetic mouse models, thereby promoting ...
Jiaheng Liang, Jingjing Fu, Jin Chai, Hongyu Jiang, Fan Chen, Yufei Zhang, Weihao Zhao, Xian Song, Zhihao Zhou, Lingtao Fang, Qiyao Huang, Peng Li, Zijian Zheng   +12 more
wiley   +1 more source

Recovering Gamma-Ray Burst Redshift Completeness Maps via Spherical Generalized Additive Models

Universe
We present an advanced statistical framework for estimating the relative intensity of astrophysical event distributions (e.g., Gamma-Ray Bursts, GRBs) on the sky tofacilitate population studies and large-scale structure analysis.
Zsolt Bagoly, Istvan I. Racz
doaj   +1 more source

Continuous Filament Network of the Local Universe

The Astrophysical Journal, 2023
Simulated galaxy distributions are suitable for developing filament detection algorithms. However, samples of observed galaxies, being of limited size, cause difficulties that lead to a discontinuous distribution of filaments.
Anatoliy Tugay, Mariusz Tarnopolski
doaj   +1 more source

Color Routing and Beam Steering of Single‐Molecule Emission with a Spherical Silicon Nanoantenna

Advanced Functional Materials, EarlyView.
We experimentally demonstrate broadband directional emission from single molecules using a single spherical silicon nanoparticle assembled via DNA origami. By varying nanoparticle (NP) size and emitter position, we achieve unidirectional emission, beam steering, and color routing at the nanoscale, revealing modal interference as the underlying ...
María Sanz‐Paz, Nicole Siegel, Guillermo Serrera, Javier González‐Colsa, Fangjia Zhu, Karol Kołątaj, Minoru Fujii, Hiroshi Sugimoto, Pablo Albella, Guillermo P. Acuna   +9 more
wiley   +1 more source

UNCOVER: Illuminating the Early Universe—JWST/NIRSpec Confirmation of z > 12 Galaxies

The Astrophysical Journal Letters, 2023
Observations of high-redshift galaxies provide a critical direct test to the theories of early galaxy formation, yet to date, only three have been spectroscopically confirmed at z > 12.
Bingjie Wang, Seiji Fujimoto, Ivo Labbé, Lukas J. Furtak, Tim B. Miller, David J. Setton, Adi Zitrin, Hakim Atek, Rachel Bezanson, Gabriel Brammer, Joel Leja, Pascal A. Oesch, Sedona H. Price, Iryna Chemerynska, Sam E. Cutler, Pratika Dayal, Pieter van Dokkum, Andy D. Goulding, Jenny E. Greene, Y. Fudamoto, Gourav Khullar, Vasily Kokorev, Danilo Marchesini, Richard Pan, John R. Weaver, Katherine E. Whitaker, Christina C. Williams   +26 more
doaj   +1 more source

Elucidating the Role of Surface Ligands on the Oxidative Etching of Au Bipyramids During Photothermia Using Liquid Cell Transmission Electron Microscopy

Advanced Functional Materials, EarlyView.
Gold bipyramids can act as efficient plasmonic nanoheaters, but they often reshape during laser heating. This study shows that oxygen nanobubbles drive oxidative etching and that surface ligands control stability. CTAB‐ and citrate‐coated particles blunt and lose optical performance, whereas polystyrene sulfonate preserves shape and heating by ...
Irene López‐Sicilia, Valentina Girelli Consolaro, Sophie Marbach, Nancy Rahbany, Grégoire Petit, Ovidiu Ersen, Juan J. Giner‐Casares, Ali Abou‐Hassan   +7 more
wiley   +1 more source

HALO

Astronomy & Astrophysics
Context. We investigate the origin of inter-band continuum time delays in active galactic nuclei (AGNs) in order to study the structure and properties of their accretion disks. Aims.
Mandal Amit Kumar, Pozo Nuñez Francisco, Jaiswal Vikram Kumar, Naddaf Mohammad Hassan, Czerny Bożena, Panda Swayamtrupta, Karczmarek Paulina, Pietrzyński Grzegorz, Pandey Shivangi, Peterson B. M., Zajaček Michal, Dovčiak Michal, Karas Vladimir, Narloch Weronika, Kicia Mirosław, Górski Marek, Kałuszyński Mikołaj, Hajdu Gergely, Wielgórski Piotr, Zgirski Bartłomiej, Gałan Cezary, Pych Wojciech, Smolec Radosław, Bąkowska Karolina, Gieren Wolfgang, Kervella Pierre   +25 more
doaj   +1 more source

Gamma-Ray Bursts: A Radio Perspective

Advances in Astronomy, 2016
Gamma-ray bursts (GRBs) are extremely energetic events at cosmological distances. They provide unique laboratory to investigate fundamental physical processes under extreme conditions.
Poonam Chandra
doaj   +1 more source

21 - cm observations of redshifts and their implications for the distance scale [PDF]

International Astronomical Union Colloquium, 1977
RésuméIl existe une corrélation étroite entre la largeur de la raie d’hydrogène neutre à 21 cm et la luminosité des galaxies spirales ainsi qu’entre cette largeur et le diamètre des galaxies spirales. Elle existe pour un échantillon de spirales proches dont la distance est calibrée par les céphéides, ainsi que pour des spirales dans quelques amas.
R. Brent Tully, J. Richard Fisher
openaire   +1 more source