Results 181 to 190 of about 213,899 (238)

Ultrafast fMRI Detects Age‐Related Changes in Harmonics of Cardiac Pulsations in the Brain at 7 T

open access: yesMagnetic Resonance in Medicine, Volume 96, Issue 3, Page 1206-1218, September 2026.
ABSTRACT Purpose Aging impacts pulsatility of blood vessels in the brain, reflecting vascular health. Resolving characteristics of cardiac pulsatility requires faster acquisitions than traditional fMRI. An ultrafast fMRI method was developed and applied to sample several harmonics of cardiac pulsations at 7 T.
Charles Marchini   +5 more
wiley   +1 more source

Compile‐Once Block Encodings for Masked Similarity‐Transformed Effective Hamiltonians

open access: yesAdvanced Quantum Technologies, Volume 9, Issue 9, September 2026.
Composer transforms structured electronic‐structure operators into a reusable quantum‐circuit fabric. Once compiled, the same block‐encoding architecture is re‐dialed through coefficients, rotation angles, and masks to generate similarity‐transformed effective Hamiltonians across related problem instances, avoiding repeated structural recompilation ...
Bo Peng, Yuan Liu, Karol Kowalski
wiley   +1 more source

The Evolution of Metal Halide Perovskite Transistors

open access: yesRare Metals, Volume 45, Issue 9, September 2026.
ABSTRACT Metal halide perovskites (MHPs) offer a revolutionary pathway for next‐generation field‐effect transistors (FETs) because of their exceptional carrier mobilities and cost‐effective processability. However, their transition to practical electronics is significantly challenged by intrinsic instability and imbalanced charge transport. This review
Jiangnan Xia   +8 more
wiley   +1 more source

Multifunctional Cellulose Nanofiber Films With Embedded Highly Oriented MXene Flakes

open access: yesSmall, Volume 22, Issue 54, 25 September 2026.
The critical physical properties of freestanding micrometer‐thick films composed of layered cellulose nanofibers intercalated with Ti3C2Tx MXene nanosheets (CNF‐MXene) are investigated to find correlated co‐alignment of MXene flakes in the cellulose nanofiber matrix by vacuum‐assisted filtration.
Valeriia Poliukhova   +11 more
wiley   +1 more source

Mapping the Crustal Thickness of the Andes Using pmP Phases Identified From Adaptive Teleseismic Array Data

open access: yesJournal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract Crustal thickness (or Moho depth) is a key parameter for many geological and geophysical models. Despite this we have a limited number of measurements, typically from seismic receiver functions, to constrain variations in crustal thickness.
Alice Blackwell   +3 more
wiley   +1 more source

The Importance and Mechanics of Near‐Seafloor Oxygenation Events in Shallow Coastal Environments

open access: yesJournal of Geophysical Research: Oceans, Volume 131, Issue 9, September 2026.
Abstract Bottom‐water oxygen (O2) possibly constitutes the strongest regulating factor on ecosystem function of the seafloor environment. The conventional view of bottom‐water O2 regulation in temperate regions is a strong seasonal variability imposed by deposition of fresh, labile organic carbon following the spring and fall plankton bloom generating ...
Jonas P. Fredriksson   +4 more
wiley   +1 more source

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