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High-throughput mesoscopic optical imaging data processing and parsing using differential-guided filtered neural networks.
Brain Inform
December 2024
Key Laboratory of Biomedical Engineering of Hainan Province, School of Biomedical Engineering, Hainan University, Sanya, 572025, China.
High-throughput mesoscopic optical imaging technology has tremendously boosted the efficiency of procuring massive mesoscopic datasets from mouse brains. Constrained by the imaging field of view, the image strips obtained by such technologies typically require further processing, such as cross-sectional stitching, artifact removal, and signal area cropping, to meet the requirements of subsequent analyse. However, obtaining a batch of raw array mouse brain data at a resolution of can reach 220TB, and the cropping of the outer contour areas in the disjointed processing still relies on manual visual observation, which consumes substantial computational resources and labor costs.
View Article and Find Full Text PDFCooperative Multiscale-Assembly for Directional and Hierarchical Growth of Highly Oriented Porous Organic Cage Single-Crystal Microtubes and Arrays.
Angew Chem Int Ed Engl
December 2024
MOE Key Laboratory of Cluster Science, Beijing Key Laboratory of Photoelectronic/Electrophotonic Conversion Materials, School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing, 102488, P. R. China.
The directional assembly of porous organic molecules into long-range ordered architectures, featuring controlled hierarchical porosity and oriented pore channels with defined spatial arrangements, is a fundamental challenge in chemistry and materials science. Herein, using porous organic cages as starting units, we present a cooperative multiscale-assembly strategy enabling the simultaneous alignment of pore channels and directional hierarchical growth in a single step. At the microscopic level, we employed double solvents to manipulate the intermolecular packing of microporous tetrahedral [4+6] imine cages (CC1 and CC3), resulting in pore channel orientation.
View Article and Find Full Text PDFMeso Hybridized Silk Fibroin Watchband for Wearable Biopotential Sensing and AI Gesture Signaling.
Adv Sci (Weinh)
December 2024
State Key Laboratory of Marine Environmental Science (MEL), College of Ocean and Earth Sciences, Xiamen University, Xiamen, Fujian, 361102, P. R. China.
Human biopotential signals, such as electrocardiography, are closely linked to health and chronic conditions. Electromyography, corresponds to muscle actions and is pertinent to human-machine interactions. Here, we present a type of smart and flexible watchband that includes a mini flexible electrode array based on Mo-Au filament mesh, combined with mesoscopic hybridized silk fibroin films.
View Article and Find Full Text PDFMeasuring Bipartite Spin Correlations of Lattice-Trapped Dipolar Atoms.
Phys Rev Lett
November 2024
Université Sorbonne Paris Nord, Laboratoire de Physique des Lasers, F-93430 Villetaneuse, France.
We demonstrate a bipartition technique using a superlattice architecture to access correlations between alternating planes of a mesoscopic array of spin-3 chromium atoms trapped in a 3D optical lattice. Using this method, we observe that out-of-equilibrium dynamics driven by long-range dipolar interactions lead to spin anticorrelations between the two spatially separated subsystems. Our bipartite measurements reveal a subtle interplay between the anisotropy of the 3D dipolar interactions and that of the lattice structure, without requiring single-site addressing.
View Article and Find Full Text PDFErgonomic Considerations in Robotic-assisted Microsurgery.
J Craniofac Surg
January 2025
Department for Plastic, Hand, and Reconstructive Surgery, BG Trauma Center Ludwigshafen, and Department of Plastic Surgery, University of Heidelberg, Ludwigshafen Germany.
Objective: Microsurgery necessitates precision and skill, with conventional methods often leading to surgeon discomfort due to prolonged static postures. The introduction of robot-assisted microsurgery using the Symani surgical system and a three-dimensional exoscope aims to enhance surgical precision while mitigating these ergonomic issues.
Methods: This prospective, single-center clinical study involved 50 preclinical training sessions and 87 robot-assisted microsurgical procedures at the authors' institution, covering a wide array of interventions from free flap reconstructions to nerve and lymphatic surgeries.
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