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Advanced Anti-icing and Deicing Strategies for Overhead Power Transmission Lines Based on Giant Magnetocaloric Effect of LaCaSrMnO.
ACS Appl Mater Interfaces
October 2024
School of Materials Science and Engineering, UNSW Materials and Manufacturing Futures Institute, The University of New South Wales, Sydney, NSW 2052, Australia.
Article Synopsis
- Perovskite manganates (AMnO) have unique properties that make them suitable for deicing power transmission lines due to their strong magnetocaloric effect (MCE) near the Curie temperature.
- Below this temperature, they generate heat through various mechanisms when exposed to an AC magnetic field, whereas they minimize energy loss above this temperature.
- The study synthesized LaCaSrMnO with a particle size over 10 μm, achieving significant MCE results, indicating the potential of a prototype cable for effective anti-icing solutions in high-voltage power lines.
Parallel Resonant Magnetic Field Generator for Biomedical Applications.
IEEE Trans Biomed Circuits Syst
August 2024
Article Synopsis
- Recent advancements in pulsed magnetic field (PMF) technology show promise as a non-invasive method for electroporation in biomedical research.
- A new PMF generator was developed based on resonance principles, exhibiting high energy efficiency and the ability to modulate pulse oscillations effectively.
- Experiments indicated that the sinusoidal oscillating PMF, when combined with drugs, enhances the effectiveness of tumor cell treatment, showcasing the generator's potential in cancer therapies.
Eliminating Qubit-Type Cross-Talk in the omg Protocol.
Phys Rev Lett
June 2024
Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California, USA.
The omg protocol is a promising paradigm that uses multiple, application-specific, qubit subspaces within the Hilbert space of each single atom during quantum information processing. A key assumption for omg operation is that a subspace can be accessed independently without deleterious effects on information stored in other subspaces. We find that intensity noise during laser-based quantum gates in one subspace can cause decoherence in other subspaces, potentially complicating omg operation.
View Article and Find Full Text PDFPhysical-Chemical Coupling Coassembly Approach to Branched Magnetic Mesoporous Nanochains with Adjustable Surface Roughness.
Adv Sci (Weinh)
June 2024
College of Chemistry and Materials, Department of Chemistry, Laboratory of Advanced Materials, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, State Key Laboratory of Molecular Engineering of Polymers, Collaborative Innovation Center of Chemistry for Energy Materials (2011-iChEM), Fudan University, Shanghai, 200433, China.
Article Synopsis
- The paper discusses a new approach to creating 1D branched magnetic nanochains made from magnetite and mesoporous silica, utilizing both physical and chemical processes for assembly.
- By combining magnetic-field-induced assembly and isotropic/anisotropic methods, the researchers achieved nanochains that are 2-3 µm long, composed of 150 nm diameter spheres with 300 nm branches.
- These nanochains demonstrate strong bacterial adhesion and can inhibit bacterial growth by over 60% at low concentrations, providing insights into micro-nanoscale assembly and potential applications in complex material designs.
Effect of transcranial static magnetic stimulation over unilateral or bilateral motor association cortex on performance of simple and choice reaction time tasks.
Front Hum Neurosci
December 2023
Department of Sensorimotor Neuroscience, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan.
Background: Transcranial static magnetic stimulation (tSMS) is a non-invasive brain stimulation technique that place a strong neodymium magnet on scalp to reduce cortical excitability. We have recently developed a new tSMS device with three magnets placed close to each other (triple tSMS) and confirmed that this new device can produce a stronger and broader static magnetic field than the conventional single tSMS. The aim of the present study was to investigate the effect of the conventional single tSMS as well as triple tSMS over the unilateral or bilateral motor association cortex (MAC) on simple and choice reaction time (SRT and CRT) task performance.
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