Research Information

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2016.12.01

Non-contact electromagnetic acoustic transducer that detects defects smaller than 0.1mm

Prof. Masahiko HIRAO, Assoc.Prof. Hirotsugu OGI, Assis.Prof. Nobutomo NAKAMURA

In nuclear power plants and chemical plants, stainless steel pipes are used because of its high tolerance to corrosion.  However, small cracks can appear on inner surface near welded regions, so called stress corrosion cracking.  Because crack growth finally causes rupture of pipes, detect...

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2016.11.1

Sulfur hydride records high Tc – Reveal the crystal structure

Shimizu laboratory

Hydrogen sulfide (H2S) is harmful gas for human, but may play an important role to study of superconductor. A German group reported the superconductivity at 203 K (-70℃) (Tc) in compressed hydrogen sulfide at 1,500,000 atmospheres. The Tc is higher than that of copper oxide superconductor (cuprate...

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2016.10.3

Interaction-component analysis of cosolvent effect on protein structure

Professor Nobuyuki Matubayasi, Associate Professor Kan Kim, Assistant Professor Ryosuke Ishizuka

A flexible solute molecule such as protein changes its structure in response to the surrounding environment. A scheme to change the solvent environment is addition of a cosolvent, and the denaturation of protein by urea is indeed a notable example of modifying the solute structure by (mixed) solvent...

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2016.9.1

Creation of Well-defined Organometallic Catalysts for Various Organic Transformations

Generation of Catalytically active nickel nanoparticles using organosilicon reducing agents

Professor Kazushi Mashima, Associate Professor Hayato Tsurugi, Assistant Professor Teruhiko Saito

 Organometallic complexes of transition metals have been extensively studied since their discovery in 1950s, and many researchers developed their unique chemical aspects including chemical bonding, coordination modes, structure, and reactivity.  Based on these fundamental works, we have de...

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2016.08.01

Atomic-resolution microscopy looking into depth

Professor Tsuyoshi Kimura, Associate Professor Yusuke Wakabayashi,Assistant Professor Kenta Kimura

Special characteristics of interfaces are utilized for various electronicdevices. Sophisticated devices require well-designed interface property,which is achieved by structural modification. In case of organic devicessuch as organic electroluminescence panel, the structures involvemolecules, which a...

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2016.07.01

Systems optimization in supply chain management

Strategic alliance between companies to establish win-win relationship

Professor Masahiro Inuiguchi, Associate Professor Tatsushi Nishi, Assistant Professor Hirosato Seki

 Inuiguchi laboratory aims to develop conventional decision sciences and systematic methods as well as intelligent decision aid technologies based on information science and computational intelligence. Among the research topics such as fuzzy mathematical programming, rough set-based data analysis,...

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2016.06.01

Developments of mathematical oncology

Professor Takashi Suzuki

It may be difficult to imagine a direct connection between mathematics and medicine, oriented for abstract theories and actual applications. However, Mendel’s law is a mathematical regime hidden in biological phenomena, DNA reproduction-mutation is managed by big data, and evolution is discuss...

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2016.05.02

Signals and Systems Analysis for Applications to Speech and Image Processing

Systems Analysis Group Prof.Youji Iiguni, Assoc.Prof.Arata Kawamura, Assis.Prof.Hiromi Yoshida

Our research group is interested in theory and practice of signals and systems, including smart signal processing algorithms with application to speech and image processing, and signal and image analysis with application to noise reduction, signal separation, image interpolation, image conversion, a...

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2016.04.01

Development of vertical-type semiconductor spintronic devices

Prof. Kohei Hamaya,Associate Prof. Takeshi Kanashima, Assistant Prof. Shinya Yamada

  Spintronics is the study of innovative electronic devices achieved by controlling both charge and spin in a solid-state platform. In 2004, Prof. Sugahara and Prof. Tanaka proposed a spin MOSFET, which offers non-volatile memory and transistor operation in a single device. If one demonstr...

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2016.03.01

Biomechanics simulation for integrating mechanical engineering and medicine

Biomechanics group, Prof. Shigeo Wada, Assoc. Prof. Kenichiro Koshiyama, Assis. Prof. Satoshi Ii

  In our group, through both the analytical approach by experiments and the synthetic approach by computer simulations, we investigate the mechanical properties and the biological functions of living body from cells to organisms, and clarify the mechanical adaptation and remodeling which are ...

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2016.02.01

A Robotic Approach to Understand and Enhance Human Motor Skills

Professor Fumio Miyazaki, Associate Professor Hiroaki Hirai, Assistant Professor Mitsunori Uemura

Miyazaki laboratory aims at constructing intelligent systems which enhance human abilities, and studies the efficient interaction and cooperation between humans and robots.  Our group investigates the skill enhancement systems from multilateral aspects according to the interaction types betwee...

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2016.1.4

Turbulent Mixing

Prof. Susumu Goto, Associate Prof. Takao Yoshinaga, Assistant Prof. Yosuke Watanabe

http://fm.me.es.osaka-u.ac.jp/en/

For mixing sugar and coffee in a cup, it is much more efficient to stir the coffee by a spoon than just waiting. This is because the advection induced by the flow dominates molecular diffusion of sugar. Although, as is obvious from this example, flows, especially turbulent flows, produce strong mixi...

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