Results 91 to 100 of about 33,356 (264)

Surface Flux Transport Modeling Using Physics-informed Neural Networks

open access: yesThe Astrophysical Journal
Studying the magnetic field properties on the solar surface is crucial for understanding the solar and heliospheric activities, which in turn shape space weather in the solar system.
Jithu J Athalathil   +4 more
doaj   +1 more source

Light‐Responsive Enzyme‐Loaded Nanoparticles for Tunable Adhesion and Mechanical Wound Contraction

open access: yesAdvanced Functional Materials, EarlyView.
This study presents a photoactivatable enzyme‐loaded mesoporous nanoparticle system (MPDA_PaTy) that enables light‐triggered tunable tissue adhesion and facilitates mechanical wound contraction. Controlled enzymatic crosslinking at tissue or hydrogel interfaces allows on‐demand adhesion.
Junghyeon Ko   +10 more
wiley   +1 more source

Observation-based Iterative Map for Solar Cycles. I. Nature of Solar Cycle Variability

open access: yesThe Astrophysical Journal
Intercycle variations in the series of 11 yr solar activity cycles have a significant impact on both the space environment and climate. Whether solar cycle variability is dominated by deterministic chaos or stochastic perturbations remains an open ...
Zi-Fan Wang, Jie Jiang, Jing-Xiu Wang
doaj   +1 more source

A Genetic Algorithm to Model Solar Radio Active Regions From 3D Magnetic Field Extrapolations

open access: gold, 2022
Alexandre José de Oliveira e Silva   +8 more
openalex   +1 more source

Near‐Infrared Organic Photovoltaic Electrodes for Subretinal Neurostimulation

open access: yesAdvanced Functional Materials, EarlyView.
Organic photovoltaic electrodes based on the D18:Y6 blend enable precise and light‐controlled activation of retinal ganglion cells in a degenerating retina. NIR Light‐driven activation of retinal ganglion cells, tunable stimulation parameters, and biocompatibility with human retinal organoids highlight their potential for next‐generation prosthetics ...
Andrea Corna   +10 more
wiley   +1 more source

Hemispheric Distribution of Solar Active Regions during Solar Cycles 23–25

open access: yesThe Astrophysical Journal Supplement Series
Solar active regions (ARs) are crucial for understanding the long-term evolution of solar activities and predicting eruptive phenomena, including solar flares and coronal mass ejections.
Yuxia Liu   +7 more
doaj   +1 more source

A Comparative Analysis of Plasmonic and Dielectric Metasurface Sensing Platforms Powered by Bound States in the Continuum

open access: yesAdvanced Functional Materials, EarlyView.
This work reveals a fundamental trade‐off between plasmonic and dielectric metasurfaces for molecular sensing. A clear performance crossover is identified: dielectric metasurfaces excel in air, while plasmonic metasurfaces dominate in lossy solvents. These results establish design rules for infrared metasurface sensors and enable optimized performance ...
Tao Jiang   +8 more
wiley   +1 more source

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