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Laser‐Synthesized Amorphous PdSe2‐x Nanoparticles: A Defect‐Rich Platform for High‐Efficiency SERS, Photocatalysis, and Photothermal Conversion

open access: yesAdvanced Materials Interfaces, EarlyView.
Using femtosecond ablation, we show that an ordered, stoichiometric crystalline PdSe2 target can be controllably converted into a stable, disordered, non‐stoichiometric, and highly functional amorphous nanomaterial, PdSe2−x${\rm PdSe}_{2-x}$. The obtained nanoparticles offer significant advantages over conventional planar plasmon‐free substrates due to
Andrei Ushkov   +18 more
wiley   +1 more source
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Increased fractional anisotropy in cerebellum in obsessive–compulsive disorder

Acta Neuropsychiatrica, 2015
BackgroundPrevious morphology and diffusion-imaging studies have suggested that structural changes in white matter is an important part of the pathophysiology of obsessive–compulsive disorder (OCD). However, different methodological approaches and the heterogeneity of patient samples question the validity of the findings.Materials and methodsIn total ...
T. Hartmann   +4 more
semanticscholar   +4 more sources

Fractional anisotropy and diffusivity changes in thyroid-associated orbitopathy

Neuroradiology, 2016
To investigate the extraocular muscle (EOM) changes in thyroid-associated orbitopathy (TAO) on DTI and the correlations between DTI parameters and clinical features.Twenty TAO patients and 20 age- and sex-matched controls provided informed consent and were enrolled. Ten-directional DTI was acquired in orbit. Fractional anisotropy (FA), mean, axial, and
Ji Sung Han   +7 more
semanticscholar   +3 more sources

The Relationship Between Axon Density, Myelination, and Fractional Anisotropy in the Human Corpus Callosum.

Cerebral Cortex, 2020
The corpus callosum serves the functional integration and interaction between the two hemispheres. Many studies investigate callosal microstructure via diffusion tensor imaging (DTI) fractional anisotropy (FA) in geometrically parcellated segments ...
Patrick Friedrich   +6 more
semanticscholar   +1 more source

Extracting diffusion tensor fractional anisotropy and mean diffusivity from 3‐direction DWI scans using deep learning

Magnetic Resonance in Medicine, 2020
To develop and evaluate machine‐learning methods that reconstruct fractional anisotropy (FA) values and mean diffusivities (MD) from 3‐direction diffusion MRI (dMRI) acquisitions.
E. Aliotta, H. Nourzadeh, Sohil H. Patel
semanticscholar   +1 more source

Beyond Fractional Anisotropy: A Comparative Study of Myelin Water Fraction and Propagator Anisotropy in the Bonnet Macaque Brain

ISMRM Annual Meeting, 2023
White matter (WM) is commonly studied using the Diffusion Tensor Imaging (DTI) metric Fractional Anisotropy (FA), which has limitations especially in regions where more than one fiber population exists. We compared FA to diffusion techniques (Mean Apparent Propagator (MAP-MRI)) and relaxometry techniques (Myelin Water Fraction (MWF) and Bound Pool ...
Laurel Dieckhaus   +5 more
openaire   +1 more source

Video Magnification in the Wild Using Fractional Anisotropy in Temporal Distribution

Computer Vision and Pattern Recognition, 2019
Video magnification methods can magnify and reveal subtle changes invisible to the naked eye. However, in such subtle changes, meaningful ones caused by physical and natural phenomena are mixed with non-meaningful ones caused by photographic noise ...
Shoichiro Takeda   +4 more
semanticscholar   +1 more source

Fractional Anisotropy Correlates with Overall Survival in Glioblastoma

World Neurosurgery, 2016
Glioblastoma (GB) is an infiltrative disease that results in microstructural damage on a cellular level. Fractional anisotropy (FA) is an important estimate of diffusion tensor imaging (DTI) that can be used to assess microstructural integrity. The aim of this study was to examine the correlation between FA values and overall survival (OS) in patients ...
Thomas Huber   +9 more
openaire   +2 more sources

White matter fractional anisotropy and outcome in schizophrenia

Schizophrenia Research, 2006
Disparate white matter fractional anisotropy (FA) findings have been reported in patients with schizophrenia in recent years. This may in part reflect heterogeneity of subjects in the studies, including differences in outcome and severity of the illness.
Serge A, Mitelman   +9 more
openaire   +2 more sources

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