Results 201 to 210 of about 7,622 (261)

Single‐Breathhold 3D MR Elastography in the Liver, With Simultaneous R2* and PDFF Mapping

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 2, Page 682-697, August 2026.
Purpose To develop a sequence for the rapid acquisition of MR elastography (MRE) parameters in 3D, with simultaneous measurement of proton‐density fat fraction (PDFF) and R2* for multiparametric assessment of liver disease. Methods The proposed sequence uses an interleaved motion‐encoding scheme to acquire 3D volumes of all motion encodings and wave ...
Donovan P. Tripp   +10 more
wiley   +1 more source

Paleosecular Variation Constraints on Geomagnetic Field Morphology at ca. 1100 Ma

open access: yesGeophysical Research Letters, Volume 53, Issue 13, 16 July 2026.
Abstract Paleosecular variation provides a statistical test of long‐term geomagnetic field morphology, but its behavior across Precambrian polarity regimes remains poorly constrained. We compile a virtual geomagnetic pole dispersion data set spanning 1130–1070 Ma and apply nonlinear Model G fitting to evaluate field structure across the interval ...
Hanqing Zhao   +7 more
wiley   +1 more source

A Fully Automated Pipeline for Vertebral Structural Assessment From Medical Images. Application Under Metastatic Conditions

open access: yesInternational Journal for Numerical Methods in Biomedical Engineering, Volume 42, Issue 7, July 2026.
We present an automated CT‐to‐simulation workflow to estimate structural response and fracture risk in metastasis‐affected vertebrae. Deep learning performs vertebral identification and segmentation, while CPD assigns geometry‐aware boundary conditions.
B. Gandia‐Vañó   +4 more
wiley   +1 more source

A replicator model with transport dynamics on networks for species evolution. [PDF]

open access: yesJ Math Biol
Coclite A   +3 more
europepmc   +1 more source

Morphology Control of D‐A‐D and D‐A‐A Type Donor Polymers via Thiophene‐π‐Siloxane Spacer Engineering to Produce Scalable High‐Performance Organic Photovoltaics

open access: yesEcoMat, Volume 8, Issue 7, July 2026.
Morphology control of D‐A‐D and D‐A‐A type donor polymers via thiophene‐π‐siloxane spacer engineering for scalable high‐performance organic photovoltaics. We developed two new spacer‐functionalized donor polymers (SF‐DPs), namely, D‐A‐D‐thiophene‐π‐siloxane (SCl‐SiO) and D‐A‐hexyl alkyl‐A (SCl‐C6) types.
Priyanka Yadav   +8 more
wiley   +1 more source

Local Polynomial Regression and Filtering for a Versatile Mesh‐Free PDE Solver

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 98, Issue 7, Page 804-839, July 2026.
A high‐order, mesh‐free finite difference method for solving differential equations is presented. Both derivative approximation and scheme stabilisation is carried out by parametric or non‐parametric local polynomial regression, making the resulting numerical method accurate, simple and versatile. Numerous numerical benchmark tests are investigated for
Alberto M. Gambaruto
wiley   +1 more source

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