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Ultrasound tissue characterization and function of Achilles tendon in psoriatic arthritis patients: a cross-sectional study.
Eur J Phys Rehabil Med
January 2025
Division of Physical Medicine and Rehabilitation, Department of Surgical Sciences, University of Turin, Turin, Italy -
Background: The Achilles tendon is one of the most frequent sites of tendinopathy in both healthy and pathological subjects. An innovative approach for the quantitative assessment of the Achilles tendon structure, named Ultrasound Tissue Characterization (UTC), has recently been developed. However, no previous study performed the UTC-based assessment of the tendon structure in rheumatologic patients affected by insertional Achilles tendinopathy.
View Article and Find Full Text PDFSuper-Resolved Mapping of Electrochemical Reactivity in Single 3D Catalysts.
Nano Lett
January 2025
Institute of Nanochemistry and Nanobiology, School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, P.R. China.
Crystals with three-dimensional (3D) stereoscopic structures, characterized by diverse shapes, crystallographic planes, and morphologies, represent a significant advancement in catalysis. Differentiating and quantifying the catalytic activity of specific surface facets and sites at the single-particle level is essential for understanding and predicting catalytic performance. This study employs super-resolution radial fluctuations electrogenerated chemiluminescence microscopy (SRRF-ECLM) to achieve high-resolution mapping of electrocatalytic activity on individual 3D CuO crystals, including cubic, octahedral, and truncated octahedral structures.
View Article and Find Full Text PDFQuantifying Competitive Fitness in Yeast with High-Throughput Fluorescence Microscopy Imaging.
Curr Protoc
January 2025
Department of Microbiology, University of Manitoba, Winnipeg, Manitoba, Canada.
Competitive fitness is a fundamental concept in evolutionary biology that captures the ability of organisms to survive, reproduce, and compete for resources in their environment. Competitive fitness is typically assessed in the lab by growing two or more competitors together and measuring the frequency of each at multiple time points. Traditional microbial competitive fitness assays are labor intensive and involve plating on solid medium and counting colonies.
View Article and Find Full Text PDFCross-Sectional Comparison of Structural MRI Markers of Impairment in a Diverse Cohort of Older Adults.
Hum Brain Mapp
February 2025
Department of Neurology, Washington University in St. Louis, St. Louis, Missouri, USA.
Neurodegeneration is presumed to be the pathological process measure most proximal to clinical symptom onset in Alzheimer Disease (AD). Structural MRI is routinely collected in research and clinical trial settings. Several quantitative MRI-based measures of atrophy have been proposed, but their low correspondence with each other has been previously documented.
View Article and Find Full Text PDFKnock-out mouse models and single particle ICP-MS reveal that SP-D and SP-A deficiency reduces agglomeration of inhaled gold nanoparticles in vivo without significant changes to overall lung clearance.
Nanotoxicology
January 2025
Infection, Inflammation and Repair, Faculty of Medicine, University of Southampton, Southampton, UK.
The role of surfactant proteins A and D (SP-A and SP-D) in lung clearance and translocation to secondary organs of inhaled nanoparticles was investigated by exposing SP-A and SP-D knockout (AKO and DKO) and wild type (WT) mice nose-only for 3 hours to an aerosol of 20 nm gold nanoparticles (AuNPs). Animals were euthanised at 0-, 1-, 7- and 28-days post-exposure. Analysis by inductively coupled plasma mass spectrometry (ICP-MS) of the liver and kidneys showed that extrapulmonary translocation was below the limits of detection.
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