Results 221 to 230 of about 131,276 (280)

Reference datasets for commissioning of model‐based dose calculation algorithms for electronic brachytherapy

open access: yesMedical Physics, Volume 52, Issue 7, July 2025.
Abstract Purpose This work provides the first two clinical test cases for commissioning electronic brachytherapy (eBT) model‐based dose calculation algorithms (MBDCAs) for skin irradiation using surface applicators. Acquisition and Validation Methods The test cases utilize the INTRABEAM 30 mm surface applicator.
Iymad R. Mansour   +12 more
wiley   +1 more source

Impact of intracellular radionuclide distribution in a Monte Carlo biophysical 3D multi‐cellular model for targeted alpha therapy

open access: yesMedical Physics, Volume 52, Issue 7, July 2025.
Abstract Background To understand and predict the therapeutic efficacy of targeted alpha therapy (TAT), nano‐ and microdosimetry are needed to consider the very heterogeneous dose deposition at cellular and subcellular levels. Purpose The objective of this study is to theoretically evaluate the importance of cell internalization of alpha‐emitters on ...
Victor Levrague   +6 more
wiley   +1 more source

Gut feeling: host and habitat as drivers of the microbiome in blackbuck Antilope cervicapra

open access: yesWildlife Biology, Volume 2025, Issue 4, July 2025.
The gut microbiome can be shaped by both intrinsic host factors and extrinsic environmental factors. However, the relative importance of intrinsic and extrinsic factors in gut microbial composition has rarely been investigated, particularly for a single host across its natural range.
Ananya Jana   +4 more
wiley   +1 more source

Particle Export Fluxes in the Southern Ocean: Importance of Nonheterotrophic Processes in POC Flux Attenuation

open access: yesJournal of Geophysical Research: Oceans, Volume 130, Issue 7, July 2025.
Abstract The ocean contributes to regulating atmospheric CO2 levels via the biological carbon pump (BCP). One critical aspect of the BCP is the depth at which sinking particulate organic carbon (POC) remineralizes in the mesopelagic zone (200–1,000 m). In the Southern Ocean, the circulation is such that the products generated from POC remineralization ...
Frédéric A. C. Le Moigne   +13 more
wiley   +1 more source

The Influence of Interior Structure and Thermal State on Impact Melt Generation Upon Large Impacts Onto Terrestrial Planets

open access: yesJournal of Geophysical Research: Planets, Volume 130, Issue 7, July 2025.
Abstract We investigate the melt production of planetary impacts as a function of planet size (R/REarth $R/{R}_{\text{Earth}}$ = 0.1–1.5), impactor size (L $L$ = 1–1,000 km), and core size ratio (Rcore/R ${R}_{\text{core}}/R$ = 0.2–0.8) using a combination of parameterized convection models and fully dynamical 2D impact simulations.
Lukas Manske   +6 more
wiley   +1 more source

Near Steady Late Pleistocene Tropical Denudation Rates in SW Madagascar

open access: yesJournal of Geophysical Research: Earth Surface, Volume 130, Issue 7, July 2025.
Abstract Denudation is a key parameter controlling the evolution of the Earth's surface, the production of soils, the stability of relief, or the long‐term evolution of climate. Climate fluctuations conversely have a strong impact on denudation, but these complex feedback mechanisms are still under‐constrained.
Etienne Large   +12 more
wiley   +1 more source

In Situ Study of Coupled Mineral Dissolution and Precipitation Processes With Gas Production in Porous Media Using Magnetic Resonance Imaging

open access: yesWater Resources Research, Volume 61, Issue 7, July 2025.
Abstract Coupled mineral dissolution, precipitation, and gas exsolution (CDPG) are critical processes in subsurface energy applications. These phenomena occur during natural hydrogen degassing from serpentinized mafic rocks, anoxic corrosion of metallic nuclear waste canisters, and CO2 ${\text{CO}}_{2}$ sequestration in deep saline aquifers.
Lara Wegner   +5 more
wiley   +1 more source

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