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Osaka University News
Fluorophore Modified to Expand Monitoring of Cell Dynamics
OSAKA, Japan, Nov. 28, 2022 — A genetically modified fluorescent protein has exhibited the shortest fluorescence emission wavelength to date, researchers at Osaka University reported. The fluorophore, named Sumire, emits 414-nm violet fluorescence from a hydrated chromophore. The development of Sumire will make it possible for scientists to track a larger number of biomolecules at the same time, increasing their ability to simultaneously monitor a cell’s many dynamic processes. Chromophore structure of short
Laser-Scanning Microscopy Method Achieves Rapid 3D Imaging
SENDAI, Japan, March 21, 2022 — A technique developed by researchers from Tohoku University and Osaka University rapidly takes 3D images without moving the observation plane, which is typically necessary in conventional laser-scanning microscopes. A major issue when using...
Ultra-intense Laser Achieves Efficient Direct Ion Acceleration
OSAKA, Japan, Feb. 25, 2022 — Osaka University researchers, in collaboration with the National Institutes for Quantum Science and Technology (QST), Kobe University, and National Central University in Taiwan, have reported direct energetic ion acceleration by irradiating what...
Imaging System Resolves Micro Detail in Centimeter-Scale FOV
OSAKA, Japan, Aug. 31, 2021 — Researchers from the Transdimensional Life Imaging Division of the Institute for Open and Transdisciplinary Research Initiatives at Osaka University created an optical imaging system that can capture an unprecedented number of cells in a single...
Daily-Use Light Source Converts IR to Blue Light for Sterilization, Disinfection
OSAKA, Japan, June 25, 2021 — A microcavity device that converts infrared (IR) radiation into blue light could enable safe, daily use of deep ultraviolet (DUV) light for disinfection and sterilization. The device was developed by a research group from Osaka University and was...
4-channel Silicon Multiplexer to Advance Terahertz-Based Communications
ADELAIDE, Australia, May 11, 2021 — An ultra-small silicon chip called a multiplexer is poised to increase data processing speeds and the next generation of communications — 6G and beyond — as a result. The chip, developed by researchers from Osaka University and the...
Lasers Move Diamond Nanoparticles into Bio Applications
SAPPORO, Japan, March 31, 2021 — Scientists from Hokkaido University, Osaka Prefecture University, and Osaka University showed the ability to use laser beams of different wavelengths, and from opposing directions, to move diamond nanoparticles that are roughly 50 nm in size in a...
Collaborators Use Terahertz Waves to Probe Beyond 5G Communications
SUITA, Japan, Feb. 4, 2021 — Partners from Osaka University and Rohm Co. Ltd., a developer and manufacturer of optoelectronics and semiconductor devices, deployed 300-GHz-band terahertz waves, functioning as an information carrier, to enable wireless communications of 8K...
Sending Quantum Information Securely from Laser Light to a Quantum Dot
OSAKA, Japan, Aug. 1, 2019 — Scientists from Osaka University have used laser light to send quantum information to a quantum dot (QD) by altering the spin state of a single electron trapped on the QD. “This action allowed us to read the state of the electron after...
A Light-Driven Process to Oxidize Plastic Surfaces for Industry Safely
OSAKA, Japan, June 17, 2019 — Researchers at Osaka University have developed a light-driven process for oxidizing polypropylene (PP), a widely used plastic, without creating waste. The process uses a reactive chlorine dioxide radical to make the plastic reactive. PP is normally...
LOTUS-V Brain Imaging Technique Shows Promise In Neuroscience
OSAKA, Japan, June 7, 2019 — Researchers at Osaka University have developed a method to record brain activity in multiple freely moving mice simultaneously. The method is based on a recent bioluminescence-based indicator of membrane voltage. Researchers applied the indicator...
Ancient Material Shows High Degree of Birefringence for Use in Displays
SUITA, Japan, April 22, 2019 — When researchers at Osaka University measured the optical birefringence of highly aligned cellulose nanofibers, they found that cellulose’s intrinsic birefringence could be powerful enough to be used in optical displays. For its experiments,...
AI System Uses Microscopic Images to Identify Cancer Cell Types
OSAKA, Japan, Dec. 19, 2018 — A system based on a convolutional neural network (CNN), developed at Osaka University, has shown that it is able to automatically distinguish between different types of cancer cells. Being able to accurately identify the particular cancer cell types...
Coating Technique Uses Solution, Not Heat, to Create OPV Interlayers
OSAKA and KANAZAWA, Japan, Aug. 7, 2018 — Researchers have developed a spin coating technique to create zinc-related oxide (ZnOx, ZnOHx) ultrathin films (ceramic films) for use as buffer layers for organic photovoltaic (OPV) cells. Buffer layers, also called OPV interlayers, separate...
Far-Infrared Cameras and Drones Turn Construction Vehicle Into Disaster-Relief Robot
OSAKA, Japan, Jan. 25, 2017 — A group of Japanese researchers have developed a prototype construction robot for disaster relief situations equipped with far-infrared ray cameras and the ability to deploy a drone. This prototype has drastically improved operability and mobility...
Lasers Transform Drug into More Useful Form
SUITA, Japan, July 28, 2015 — Exposure to laser light may make one type of anti-inflammatory drug more effective. Researchers at Osaka University used lasers to induce selective crystallization of the metastable form of indomethacin. The exposed drug remains in that form for up...
Atoms hollowed by laser form novel plasma
YORK, England – A highly unusual plasma composed of hollow atoms has been created using one of the world’s most powerful lasers. The surprising result shows that a little-explored region of physics is now accessible through the unprecedented intensities being...
Atoms hollowed by laser form novel plasma
YORK, England – A highly unusual plasma composed of hollow atoms has been created using one of the world’s most powerful lasers. The surprising result shows that a little-explored region of physics is now accessible through the unprecedented intensities being...
Atoms Hollowed by Laser Form Novel Plasma
YORK, England, April 1, 2013 — A highly unusual plasma composed of hollow atoms has been created using one of the world’s most powerful lasers. The surprising result shows that a little-explored region of physics is now accessible through the unprecedented intensities being...
Osaka University Buys Nanolithography Tool
CHICAGO, April 9, 2012 — The NanoFabrication Systems Div. of NanoInk Inc. announced that Osaka University’s Photonics Advanced Research Center in Japan has purchased and installed its DPN 5000 system to fabricate nanoscale plasmonic and nanophotonic devices.
Laser Hints at Magnetism’s Origins
OXFORD, England, Feb. 1, 2012 — Using a high-power laser to simulate the conditions under which the first galaxies formed, scientists may have uncovered a clue as to how magnetism originated in the universe.
New Materials Build Better Organic Photodetectors
Aug 1, 2011 — Organic photodetectors are destined to enhance numerous sectors ranging from industrial markets for process control, object recognition and light management to consumer electronics for motion detection and interactive surface applications. OPDs,...
Optical Circuit Enables New Quantum Tech Approach
BRISTOL, England, June 29, 2011 — A fundamental building block for quantum computing that could soon be employed in a range of quantum technologies has been demonstrated. This quantum logic gate, acting on four photons, could lead to secure communications, precision measurement and...
Institute Names New Committee Members
Feb 1, 2011 — The Institute of LSI (large-scale integration) Testing (ILSIT) of Osaka, Japan, has announced that DCG Systems and Hamamatsu Photonics have been elected to membership on its organization committee. Members include technology leaders from Toyota...
ILSIT Names Committee Members
OSAKA, Japan, Nov. 15, 2010 — The Institute of LSI Testing (ILSIT) announced recently that DCG Systems and Hamamatsu Photonics have been elected to membership on the ILSIT Organization Committee. Members include technology leaders from Toyota Motors, Renesas Electronics, Oita...
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May 2024
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