Results 81 to 90 of about 8,164 (262)
Rapid Spectral Evolution of SGR 1935+2154 during Its 2022 Outburst
The Astrophysical JournalDuring the 2022 outburst of SGR 1935+2154, a fast radio burst (FRB)-like event (FRB 20221014A) and X-ray activities occurred between two spin-up glitches, suggesting these glitches may connect to multiwavelength phenomenology.
Chin-Ping Hu +11 more
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X-Ray Afterglows from Gamma-Ray Bursts [PDF]
The Astrophysical Journal, 1997 We consider possible interpretations of the recently detected X- ray afterglow from the gamma-ray burst source GRB 970228. Cosmological and Galactic models of gamma-ray bursts predict different flux and spectral evolution of X-ray afterglows. We show that models based on adiabatic expansion of relativistic forward shocks require very efficient particle
openaire +2 more sources
Real‐Time 3D Ultrasound Imaging with an Ultra‐Sparse, Low Power Architecture
Advanced Healthcare Materials, EarlyView.This article presents a novel, ultra‐sparse ultrasound architecture that paves the way for wearable real‐time 3D imaging. By integrating a unique convolutional array with chirped data acquisition, the system achieves high‐resolution volumetric scans at a fraction of the power and hardware complexity.
Colin Marcus +9 more
wiley +1 more source
Effect of Viewing Angle in Gamma-Ray Burst Properties
The Astrophysical JournalThe empirical classification of gamma-ray bursts (GRBs) is based on their distribution in the plane of burst duration and spectral hardness. Two distinct distributions, long-soft and short-hard bursts, are observed in this plane, forming the basis for ...
Sreelakshmi P. Chakyar +2 more
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Advanced Healthcare Materials, EarlyView.A multilayered small‐caliber vascular scaffold combining electrospinning and 4‐axis printing is developed and biofunctionalized with marine sulfated polysaccharides from Holothuria tubulosa. The resulting construct exhibits enhanced hemocompatibility, tunable mechanical properties, and supports endothelial and smooth muscle cell adhesion and ...
Gabriele Obino +9 more
wiley +1 more source
Identifying the Origin of Fast Radio Burst–Associated X-Ray Bursts with X-Ray Polarization
The Astrophysical JournalThe origin of an extraordinary X-ray burst (XRB) associated with a fast radio burst (FRB) such as FRB 20200428 is still unclear, though several models, such as the emission of a trapped fireball modified by resonant cyclotron scattering, the outflow from
Shu-Qing Zhong +3 more
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Advanced Healthcare Materials, EarlyView.An advanced microneedle patch integrating niobium carbide nanosheets and curcumin is engineered for diabetic wound healing. The system enables dual ROS scavenging and NIR‐enhanced antimicrobial activity, effectively rebalancing the oxidative microenvironment, promoting macrophage repolarization and angiogenesis, and accelerating full‐thickness wound ...
Zhi Zheng +12 more
wiley +1 more source
X‐Ray Emission of Gamma‐Ray Bursts [PDF]
The Astrophysical Journal, 1997 18 pages, 5 figures included as postscript files. Astrophysical Journal, in press, vol. 474 (10 April 1997)
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Nanotherapies for Atherosclerosis: Targeting, Catalysis, and Energy Transduction
Advanced Healthcare Materials, EarlyView.Atherosclerosis management is hindered by poor drug targeting and plaque heterogeneity. Nanotechnology overcomes these barriers via three core strategies: (1) target‐engineered nanocarriers that achieve lesion‐specific precision via ligand modification, biomimetic camouflage, stimuli‐responsive release, and self‐propelling nanomotors; (2) catalytic ...
Yuqi Yang +4 more
wiley +1 more source
Reactions on the surface and inside of neutron stars
EPJ Web of Conferences, 2016 Measurements from orbiting X-ray satellites during the last decades have provided us with a wealth of information about nuclear reactions thought to occur in the extreme, highdensity environment of neutron stars.
Rehm K. E.
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