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Articles by Rina Takagi
Generation of cell-sized liposomes using laser-induced microjets
Generation of cell-sized liposomes using laser-induced microjets† Cell-sized liposomes are microcapsules composed of a lipid bilayer, with potential applications in membrane science and synthetic biology. In this study, we present a novel method that employs high-speed laser-induced microjets to penetrate a lipid-carrying oil phase, thereby generating cell-sized liposomes.
Spontaneous Hall effect induced by collinear antiferromagnetic order at room temperature - Nature Materials
Abstract Magnetic information is usually stored in ferromagnets, where the ↑ and ↓ spin states are distinguishable due to time-reversal symmetry breaking. These states induce opposite signs of the Hall effect proportional to magnetization, which is widely used for their electrical read-out.
Exotic Spin Excitations in a Polar Magnet ${\mathrm{VOSe}}_{2}{\mathrm{O}}_{5}$
Magnetic resonance dynamics has been studied for a polar magnet VOSe2O5, which hosts several nontrivial magnetic phases including Néel-type skyrmion lattice (SkL). In both cycloidal and SkL spin states, two excitation modes active to oscillating magnetic field Bν⊥c and one mode active to Bν∥c are identified.
Prophylactic Pattern Scanning Laser Retinal Photocoagulation for Diabetic Retinopathy in Spontaneously Diabetic Torii Fatty Rats Preliminary Experimental Results
1. Introduction Diabetes is a chronic disease characterized by hyperglycemia due to impaired glucose tolerance from insulin deficiency or reduced insulin action. It often develops unnoticed and leads to major complications such as retinopathy, nephropathy, and neurological disorders, along with an increased risk of heart disease and stroke.
Prophylactic Pattern Scanning Laser Retinal Photocoagulation for Diabetic Retinopathy in Spontaneously Diabetic Torii Fatty Rats: Preliminary Experimental Results
Preprint Article Version 1 This version is not peer-reviewed Version 1 : Received: 4 April 2024 / Approved: 4 April 2024 / Online: 4 April 2024 (15:46:11 CEST) Takagi, R.; Tanaka, Y.; Hasegawa, T.; Shinohara, M.; Kageyama, Y.; Sasase, T.; Shimmura-Tomita, M.; Kakehashi, A.; Kaburaki, T. Prophylactic Pattern Scanning Laser Retinal Photocoagulation for Diabetic Retinopathy in Spontaneously Diabetic Torii Fatty Rats: Preliminary Experimental Results. Preprints 2024, 2024040388.
Rhombic skyrmion lattice coupled with orthorhombic structural distortion in ${\mathrm{EuAl}}_{4}$
Abstract The centrosymmetric tetragonal itinerant magnet EuAl4 exhibits an intricate magnetic phase diagram including rhombic and square skyrmion-lattice (SkL) phases in the external magnetic field. Here, we report a multi-axis dilatometric investigation of EuAl4 by means of a newly designed fiber-Bragg-grating technique complemented by a resonant x-ray scattering experiment, revealing anisotropic magnetostriction and magnetovolume effect associated with successive phase transitions.
Controlled transformation of skyrmions and antiskyrmions in a non-centrosymmetric magnet
Abstract Control of topological spin textures in magnetic systems may enable future spintronic applications. Magnetic field pulses can switch the vortex polarity1 or the winding number of magnetic bubbles2. Thermal energy can reverse the helicity of skyrmions3 and induce the transformation between meron and skyrmion by modifying the in-plane anisotropy4,5.
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