11 Current news of Osaka University

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Nanodiamonds feel the heat

Nanodiamond sensor can act as both heat sources and thermometers, and may lead to a new set of heat-based treatments for killing bacteria or cancer cells

19-Jan-2021

A team of scientists from Osaka University, The University of Queensland, and the National University of Singapore's Faculty of Engineering used tiny nanodiamonds coated with a heat-releasing polymer to probe the thermal properties of cells. When irradiated with light from a laser, the sensors ...

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Sorting out viruses with machine learning

Scientists develop a label-free method for identifying respiratory viruses which may lead to new rapid COVID-19 tests

19-Nov-2020

The ongoing global pandemic has created an urgent need for rapid tests that can diagnose the presence of the SARS-CoV-2 virus, the pathogen that causes COVID-19, and distinguish it from other respiratory viruses. Now, researchers from Japan have demonstrated a new system for single-virion ...

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Good vibrations: Using piezoelectricity to ensure hydrogen sensor sensitivity

24-May-2019

A team at Osaka University has invented a new process for creating high-precision sensing devices that respond to the presence of hydrogen gas. By carefully controlling the deposition of metallic nanoparticles on a silicon surface, the researchers were able to create a sensor that can detect low ...

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Rolling the dice on perovskite interfaces

30-Oct-2017

Perovskites are a type of mineral and class of materials, and have been attracting a great deal of attention for their potential applications to technologies such as those used in solar cells. These unique materials have well-ordered structures and show many interesting properties that could be ...

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Seeing the next dimension of computer chips

11-Oct-2017

A research collaboration between Osaka University and the Nara Institute of Science and Technology for the first time used scanning tunneling microscopy (STM) to create images of atomically flat side-surfaces of 3D silicon crystals. This work helps semiconductor manufacturers continue to innovate ...

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Creative use of noise brings bio-inspired electronic improvement

27-Sep-2017

In conventional electronics, a great deal of effort is devoted to eliminating stochastic resonance (SR) -- the annoying hiss that generally hinders the detection of weak signals and degrades overall device performance. But, what if there were a way to exploit this effect to enhance signal ...

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Signature analysis of single molecules using their noise signals

13-Jul-2017

Noise is low-frequency random fluctuation that occurs in many systems, including electronics, environments, and organisms. Noise can obscure signals, so it is often removed from electronics and radio transmissions. The origin of noise in nanoscale electronics is currently of much interest, and ...

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Three-dimensional Direction-dependent Force Measurement at the Subatomic Scale

15-May-2017

Atomic force microscopy (AFM) is an extremely sensitive technique that allows us to image materials and/or characterize their physical properties on the atomic scale by sensing the force above material surfaces using a precisely controlled tip. However, conventional AFM only provides the surface ...

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Behavior of sugar transport proteins visualized

18-Nov-2016

A group of researchers led by Kazuya Kikuchi, professor at the Graduate School of Engineering, Osaka University, clarified the role of a N-glycan chain on glucose transporter type 4 (GLUT4) by developing a method for visualizing intracellular trafficking of proteins. The GLUT4 translocation ...

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New method for exhaustively isolating olfactory receptors responding to specific odorants

29-Apr-2016

A research group led by Osaka University and Panasonic Corporation developed a method for making a prompt, exhaustive isolation of olfactory receptors (ORs) responding to the odorant of interest. This achievement will enable quick and easy exhaustive analysis of ORs responding to specific ...

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