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A Shape-Memory and Durable Transparent Polyacrylate Film Integrated by Soft-Rigid Chains.
Chemistry
December 2024
School of Chemical Engineering, Changchun University of Technology, Changchun, 130012, China.
Flexible film in display requires multi-functional integration, such as stretchability, flexibility, abrasion resistance, transparency, and shape memory. In this paper, a reasonable design strategy of flexible polyacrylate (PA) film with high transparency, shape memory, excellent abrasion resistance and foldability is presented. The PA films are prepared by free radical polymerization of vinyl-terminated polyurethane (PU) prepolymer as a cross-linking agent and acrylate monomers in ultraviolet (UV) light.
View Article and Find Full Text PDFAnalytical solution of a microrobot-blood vessel interaction model.
Nonlinear Dyn
October 2024
Laboratoire PRISME, INSA Centre Val de Loire, 18000 Bourges, France.
This study develops a dynamics model of a microrobot vibrating in a blood vessel aiming to detect potential cancer metastasis. We derive an analytical solution for microrobot's motion, considering interactions with the vessel walls modelled by a linear spring-dashpot and a constant damping value for blood viscosity. The model facilitates instantaneous state transitions of the microrobot, such as contact with the vessel wall and free motion within the fluid.
View Article and Find Full Text PDFExploring the connectivity of dorsolateral prefrontal cortex and the modulatory impact of transcranial magnetic stimulation in adolescents with depression: a focus on pain-related cognitive processing.
BMC Psychiatry
November 2024
Department of Psychiatry, First Hospital of Shanxi Medical University, No. 85 Jiefang South Road, Taiyuan, 030001, China.
Article Synopsis
- The study investigates the role of the dorsolateral prefrontal cortex (DLPFC) in pain cognition among adolescents with depression, revealing abnormal cognitive responses to pain linked to this brain region.
- Using neuroimaging data, the research compared functional connectivity (FC) of DLPFC in depressed adolescents to a control group and analyzed the effects of transcranial magnetic stimulation (TMS) versus sertraline treatment.
- Results showed specific FC patterns correlated with pain perception and reduced pain-related thoughts after TMS treatment, suggesting that DLPFC is crucial in linking cognitive control and pain processing in affected adolescents.
Elevated Calprotectin Levels Reveal Loss of Vascular Pattern and Atrophy of Villi in Ileum by Digital Chromoendoscopy and Magnification Colonoscopy in Patients with Spondyloarthritis Without Having Inflammatory Bowel Disease.
Diagnostics (Basel)
November 2024
Cellular and Molecular Immunology Group-InmuBo, School of Dentistry, Universidad El Bosque, Av. Cra 9 No. 131 A-02, Bogotá 110121, Colombia.
Article Synopsis
- The study aimed to find a link between fecal calprotectin (FC) levels and intestinal inflammation in patients with spondyloarthritis (SpA) who do not have inflammatory bowel disease.
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Associations of optic nerve head morphology and peripapillary retinal nerve fibre layer thickness with myopic severity and treatment in children.
Asia Pac J Ophthalmol (Phila)
December 2024
Singapore National Eye Centre, Singapore; Eye Academic Clinical Programme (ACP), Duke-NUS Graduate Medical School, Singapore. Electronic address:
Purpose: This study aimed to investigate the longitudinal associations between myopic optic disc features and optical coherence tomography (OCT) measurements of peripapillary retinal nerve fibre layer (RNFL) thickness in young myopic children in Singapore.
Methods: A prospective, single-site cohort study was conducted, involving children aged 7-16 years who participated in the PROM-Kids clinical cohort study from 2019 to 2022. Participants underwent annual assessments, including cycloplegic refraction, axial length measurements, fundus photography, and OCT imaging, with ocular magnification correction.
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