Results 281 to 290 of about 257,446 (367)

On the nature of gamma-ray burst time dilations

open access: green, 1994
R. A. M. J. Wijers, B. Paczyński
openalex   +2 more sources

Spaceborne and spaceborn: Physiological aspects of pregnancy and birth during interplanetary flight

open access: yesExperimental Physiology, EarlyView.
Abstract Crewed interplanetary return missions that are on the planning horizon will take years, more than enough time for initiation and completion of a pregnancy. Pregnancy is viewed as a sequence of processes – fertilization, blastocyst formation, implantation, gastrulation, placentation, organogenesis, gross morphogenesis, birth and neonatal ...
Arun V. Holden
wiley   +1 more source

Hard, Bright X‐Ray Bursts in Natural Lightning: Blurring the Boundary Between X‐Ray Bursts and TGFs

open access: yesGeophysical Research Letters, Volume 52, Issue 17, 16 September 2025.
Abstract In this study, we analyzed a rare hard, bright X‐ray burst associated with intense natural lightning. Through spectral analysis and source model fitting, we demonstrate that the energy spectrum of the X‐ray source region exhibits significant uncertainty due to the strong dependence on radiation beam geometry, which may appear as a TGF‐like ...
Xiong Zhang   +8 more
wiley   +1 more source

Proton Acceleration with Relativistic Electromagnetic Shock. [PDF]

open access: yesAdv Sci (Weinh)
Xiao T   +5 more
europepmc   +1 more source

Autosomal Recessive Cerebellar Ataxias: Translating Genes to Therapies

open access: yesAnnals of Neurology, Volume 98, Issue 3, Page 448-470, September 2025.
[Color figure can be viewed at www.annalsofneurology.org] Autosomal recessive cerebellar ataxias are disabling neurodegenerative genetic conditions affecting balance and coordination. Advancements in genomic testing have improved diagnosis, leading to a new focus on the development of targeted precision therapeutics addressing cellular, biochemical ...
Brent L. Fogel   +10 more
wiley   +1 more source

The Quinoline Photoremovable Group (PPG) Platform—A Medicinal Chemist's Approach for Photocage Development and Applications

open access: yesMedicinal Research Reviews, Volume 45, Issue 5, Page 1423-1451, September 2025.
ABSTRACT Photoremovable protecting groups (PPGs) offer a straightforward solution for the temporary inactivation of biologically active substrates and their subsequent controlled release by light irradiation. Their relatively easy design and mode of application have made them useful tools for studying dynamic biological processes in vitro and in vivo ...
Bence Kontra   +3 more
wiley   +1 more source

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