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Pulling Forces Dampen Torsional Fluctuations of Actin Filaments and Reduce Cooperative Cofilin Binding.
J Mol Biol
January 2025
Department of Applied Bioscience, Kanazawa Institute of Technology. Electronic address:
A variety of potential biological roles of mechanical forces have been proposed in the field of cell biology. In particular, mechanical forces alter the mechanical conditions within cells and their environment, exerting a strong effect on the reorganization of the actin cytoskeleton. Single-molecule imaging studies have provided evidence that an actin filament may act as a mechanosensor.
View Article and Find Full Text PDFInduction of Nanoscale Magnetic Ordering in Non-Ferrous Layered Double Hydroxides: Stabilizing Spintronic Electrocatalysis.
Small
January 2025
School of Energy Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
Inducing magnetic ordering in a non-ferrous layered double hydroxides (LDHs) instigates higher spin polarization, which leads to enhanced efficiency during oxygen evolution reaction (OER). In nano-sized magnetic materials, the concept of elongated grains drives domain alignment under the application of an external magnetic field. Hence, near the solid electrode interface, modified magnetohydrodynamics (MHD) positively impacts the electrocatalytic ability of non-ferrous nanocatalysts.
View Article and Find Full Text PDFNonacademic predictors of China medical licensing examination.
BMC Med Educ
January 2025
Department of Radiology and Tianjin Key Lab of Functional Imaging and Tianjin Institute of Radiology and State Key Laboratory of Experimental Hematology, Tianjin Medical University General Hospital, Tianjin, 300052, China.
Background: National Medical Licensing Examination (NMLE) is the entrance exam for medical practice in China, and its general medical knowledge test (GMKT) evaluates abilities of medical students to comprehensively apply medical knowledge to clinical practice. This study aimed to identify nonacademic predictors of GMKT performance, which would benefit medical schools in designing appropriate strategies and techniques to facilitate the transition from medical students to qualified medical practitioners.
Methods: In 1202 medical students, we conducted the deletion-substitution-addition (DSA) and structural equation model (SEM) analyses to identify nonacademic predictors of GMKT performance from 98 candidate variables including early life events, physical conditions, psychological and personality assessments, cognitive abilities, and socioeconomic conditions.
Verdazyl radical polymers for advanced organic spintronics.
Nat Commun
January 2025
Charles D. Davidson School of Chemical Engineering, Purdue University, West Lafayette, IN, USA.
Spin currents have long been suggested as a potential solution to addressing circuit miniaturization challenges in the semiconductor industry. While many semiconducting materials have been extensively explored for spintronic applications, issues regarding device performance, materials stability, and efficient spin current generation at room temperature persist. Nonconjugated paramagnetic radical polymers offer a unique solution to these challenges.
View Article and Find Full Text PDFPituitary stalk interruption syndrome with coexistent focal cortical dysplasia in a young boy.
BMJ Case Rep
January 2025
Paediatrics, Bahrain Defence Force Royal Medical Services, Riffa, Bahrain.
This case report provides details of the first documented case of pituitary stalk interruption syndrome (PSIS) with coexistent focal cortical dysplasia (FCD) in a young boy. The child's initial presentation was an afebrile, generalised tonic-clonic seizure associated with postictal drowsiness. During his first episode, the physical examination revealed a short, obese child with a micropenis and left cryptorchidism.
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