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Structural, Magnetic, and Dielectric Properties of Laser-Ablated CoFeO/BaTiO Bilayers Deposited over Highly Doped Si(100).
Materials (Basel)
November 2024
Center of Physics of Minho and Porto Universities (CF-UM-UP), Laboratory for Materials and Emergent Technologies (LaPMET), Departamento de Física, Universidade do Minho, Campus de Gualtar, 4710-057 Braga, Portugal.
Laser ablation was used to successfully fabricate multiferroic bilayer thin films, composed of BaTiO (BTO) and CoFeO (CFO), on highly doped (100) Si substrates. This study investigates the influence of BaTiO layer thickness (50-220 nm) on the films' structural, magnetic, and dielectric properties. The dense, polycrystalline films exhibited a tetragonal BaTiO phase and a cubic spinel CoFeO layer.
View Article and Find Full Text PDFCharacterization of annulus fibrosus lesions on magnetic resonance imaging in dogs affected by intervertebral disc disease, a descriptive case series.
Front Vet Sci
November 2024
Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY, United States.
Objective: Describe and characterize the magnetic resonance imaging (MRI) appearance of annulus fibrosus (AF) high-intensity zone (HIZ) in dogs suffering from intervertebral disc disease (IVDD).
Methods: A single-center retrospective case series study. Databases were reviewed from 2011 to 2022 for dogs that underwent MRI diagnosis due to suspected IVDD.
Spontaneous Raman microscopy is well-known for its remarkable chemical contrast yet suffers from slow acquisition speeds. Recently, the compressive Raman microspectroscopy framework has shown that a significant speed advantage is brought by leveraging shot-noise-limited detection using a single-photon avalanche diode (SPAD). However, current imaging speeds of compressive Raman architectures are fundamentally limited by SPAD sensitivity and dead time.
View Article and Find Full Text PDFThe mediating role of plasma glial fibrillary acidic protein in amyloid and tau pathology in Down's syndrome.
Alzheimers Dement
November 2024
Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA.
Article Synopsis
- - Development of Alzheimer's disease (AD) pathology occurs faster in individuals with Down's syndrome (DS) compared to others; this study focuses on comparing specific biomarkers in DS individuals and their siblings.
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Symptomology of celiac artery compression: Classifying patients by the degree of celiac artery stenosis and secondary changes in collateral branches on computed tomography angiogram.
Eur J Radiol
December 2024
Department of Radiology, State Key Laboratory of Complex Severe and Rare Disease, Peking Union Medical College Hospital, Peking Union Medical College, Chinese Academy of Medical Sciences, No.1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing 100730, China; National Center for Quality Control of Radiology, No.1 Shuaifuyuan, Wangfujing Street, Dongcheng District, Beijing 100730, China. Electronic address:
Purpose: This study aimed to analyze the correlation between the degree of celiac artery (CA) stenosis and the secondary changes in collateral branches in patients with CA compression (CAC) by CT and to classify patients by the combination of the two imaging features.
Methods: Patients with CAC identified by contrast-enhanced CT from January 2012 to December 2013 were retrospectively enrolled and divided into the symptomatic group and asymptomatic group. CA stenosis was categorized as mild, moderate, or severe, and collateral circulation as invisible, visible, or prominent.
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