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Research Themes - 265 Result(s)

 L

Lethal effects of blue light on insects

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特徴・独自性
  • We revealed the strong lethal effect of short-wavelength visible light (blue light: 400–500 nm) on insects. That is, we found that blue light irradiation by using a common light-emitting diode (LED) can kill the eggs, larvae, pupae, and adults of various orders of insects. Our findings will provide clean and safe pest-control technique as well as important information on the hazards of exposure to visible light.
実用化イメージ

Researchers

Graduate School of Agricultural Science

Masatoshi Hori

Low temperature reforming of hydrocarbons using metal oxide nanoparticles synthesized by supercritical method

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特徴・独自性
  • Our research group has succeeded in synthesizing various metal oxide nanoparticles with controlled size and exposure crystal planes by using organic modifiers under supercritical water conditions. The oxygen storage/release capacity of those materials in the low-temperature region is very high, and the reforming reaction of oxidative hydrocarbon proceeds at a significant rate. Besides, by combining the supercritical CO2 drying method, we have succeeded in forming a complex in which oxide nanoparticles are dispersed at a high concentration on the surface of the porous material, realizing both high oxygen storage/release capability and stability.
実用化イメージ

Low-temperature reforming reaction of biomass wastes, heavy oils, and methane. In the future, it is expected to be a technology that will lead to the construction of a low-carbon society, including CO2-free complete recycling of waste plastics.

Researchers

Advanced Institute for Materials Research

Tadafumi Ajiri

Low-Temperature Synthesis of SiC Porous Bulk by Using Na

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特徴・独自性
  • SiC ceramics is generally prepared at high temperature of 1200–2000ºC. We are able to prepare SiC at around 700ºC by using Na. Nano-powder of beta-type SiC was obtained from a mixture of Si and carbon powders in a Na melt. SiC porous ceramics were synthesized by heating mixtures of Si powder and carbon black at 700–900ºC in Na vapor. Biomorphic cellular SiC ceramics were formed by heating carbonized woods at 700 ºC with a Na-Si melt.
実用化イメージ

Applications : SiC porous ceramics are used in a wide range of applications, such as filters for gas or molten metal, diesel particle filters, catalysis supports, and light-weight structural materials.
Industry : Ceramic Engineering

Researchers

Institute of Multidisciplinary Research for Advanced Materials

Hisanori Yamane

Lymph node metastasis prediction and treatment evaluation system

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特徴・独自性
  • 1. pressure sensor (needle, optical fiber, etc.) can be inserted into the lymph node to evaluate the risk of lymph node metastasis and treatment.
  • 2. domestic patent obtained
実用化イメージ

Joint research with a medical device manufacturer to develop a diagnosis and treatment system for lymph node metastasis

Researchers

Graduate School of Biomedical Engineering

Tetsuya KODAMA

 M

Magnetic Applications and Magnetic Materials

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特徴・独自性
  • The aim of our research are to obtain the high accuracy sensor system for the signals from the human body or electric devices and to obtain the system for approaching action to the human body by using the nano-scale controlled magnetic materials and by the development of the devices under the functions of the magnetics.
  • We studied the mechanism of obtaining the magnetic anisotropy of the magnetic thin films for the sensitive magnetic sensors. We obtained a non-metal probe for high frequency magnetic field, and confirmed the probe can measure the high frequency magnetic field with its phase information. In addition, 3D position detecting system using magnetic markers was studied to improve its position accuracy. The study about the magnetic actuator driven by the external magnetic field was carried out for biomimetic robots using the rotational magnetic field, and small wireless pumps were obtained and clarified for their application for an artificial heart-support pump.
実用化イメージ

<Medical Applications>
Motion system for capsule endoscope, Support system for endoscopic surgery, Position detecting system (motion capture), Wireless pump for artificial heart
<Sensors>
Magnetic field sensors, Strain sensors, Wireless sensors
<Materials>
Electrical steels of ultra low loss, Electrochemicaly produced materials (structure controlled in nano-scale)

Researchers

Research Institute of Electrical Communication

Kazushi Ishiyama

Magnetic Materials (Permanent Magnets, High Frequency Materials, Microwave Absorbers)

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特徴・独自性
  • The objectives of my researches are the development of high performance magnets and improvement of their magnetic properties. I have already developed following high performance magnets, such as Nd-Fe-B magnets using didymium, Sm-Fe-N high coercive powders prepared by HDDR and Fe-Cr-Co magnets. Recently, I have studied about the reduction of Dy content in Nd-Fe-B magnets for the use of HEV and have succeeded to develop high coercive Dy-free Nd-Fe-B sintered magnets by decreasing the grain size. I have also developed new kinds of microwave absorbers for the use in the frequencies of GHz range using permanent magnetic materials or nanoparticles.
実用化イメージ

High performance magnetic materials can be used in many applications in automobile, home electronics, IT and medical industries. We hope to conduct collaborative researches with companies producing magnetic materials for the use in these applications, which aims to improve magnetic properties or to develop new magnetic materials.

Researchers

Graduate School of Engineering

Satoshi Sugimoto

Material Design for Solution of Energy and Environmental Problems by Multi-Physics and Multi-Scale Simulation

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特徴・独自性
  • In order to solve the energy and environmental problems, the development of the high-functional and high-performance materials is required in a wide variety of research fields such as fuel cell, Li-ion battery, tribology etc. Especially, the recent material technologies constitute of multi-physics and multi-scale phenomena including chemical reaction, friction, impact, stress, fluid, photon, electron, heat, electric and magnetic fields etc. on nano- and macro-scales. Therefore, Kubo laboratory is pioneering the development of multi-physics and multi-scale simulator on the basis of quantum chemistry and is utilizing supercomputers "Fugaku" and "MASAMUNE-IMR" for realizing the theoretical material design with high-accuracy.
実用化イメージ

We utilize our developed multi-physics and multi-scale simulation technology on the basis of quantum chemistry for acceelerating the material development in a wide variety of private companies of automotive, machinery, power, electronics, material, metal, chemistry etc. and then contribute to solving the energy and environmental problems.

Researchers

Institute for Materials Research

Momoji Kubo

Mathematical Biology

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特徴・独自性
  • Principal subject of our study is the mathematical model analysis to make clear or present the point at issue for scientific discussion about real biological/social phenomena, or to promote the advanced theoretical research: what theoretical problem about target phenomenon is treated, how the problem is mathematically modeled, what mathematical analysis is applied for the model, and how the mathematical result is lead to the discussion in biological/social science.
実用化イメージ

Researchers

Graduate School of Information Sciences

Hiromi Seno

Measurement-Integrated Simulation to Analyze Complex Flows

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特徴・独自性
  • In order to obtain huge fluid information of real flows we are developing a new flow analysis methodology "measurement-integrated simulation" by integrating experimental measurement and computer simulation. Complex real flows are accurately reproduced by the effect of a feedback signal to compensate the difference between the measurement and calculation. This can be appliedto wide variety of complex flow problems, for example, real-time visualization of blood flows for medical diagnosis, flow analysis around automobile body, real-time monitoring of flow in a complex piping in a nuclear power plant.
  • We are prepared to provide academic consultations to companies interested in our research.
実用化イメージ

Researchers

Frontier Research Institute for Interdisciplinary Sciences

Toshiyuki Hayase

MEDICINE DETERMINATION SUPPORT SYSTEM AND MEDICINE DETERMINATION SUPPORT PROGRAM

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特徴・独自性
  • AIMS: This invention is to support the doctor’s prescription for diabetes and metabolic syndrome, especially in Japanese Clinic (Patent: JP 4176438).
  • PROBLEM TO BE SOLVED: To perform a further efficient preparation by providing information for original medicine and generic medicine in the preparation.
  • SOLUTION: The medicine price, pharmacologic effect and the like of each of original medicine and generic medicine are preliminarily recorded in a medicine database, and a generic medicine corresponding to the original medicine inputted by a doctor is automatically retrieved and displayed on a display. When the total number of the inputted medicine exceeds a number determined by insurance medical care, the generic medicine is retrieved so that the drug price of the group of the same usage is a prescribed amount or less. Welcome to your investment or co-operation.
実用化イメージ

Researchers

Cyclotron and Radioisotope Center

Katsunori Nonogaki

MEMS/Micromachines and Microfabrication Technology

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特徴・独自性
  • We are studying MEMS (Micro Electro Mechanical Systems) and related technologies, which are typically used for the input/output of information/communication devices, the safety of automobiles etc. Our representative topics include integrated sensors, piezoelectric devices, RF MEMS, micro energy devices and wafer-level packages. Our facilities are open-accessible and well equipped with a lot of tools for lithography, dry/wet etching, thin film deposition, wafer bonding, device mounting and evaluations, which can be operated by each researcher. Using these tools, a variety of MEMS are being prototyped. Also, new microfabrication tools are being developed by ourselves.
実用化イメージ

We are collaborating with many companies, from which visiting researchers are dispatched to our laboratory. We also accept companies which want to just use specific tools in our facilities. Consultation is always welcome.

Researchers

Graduate School of Engineering

Shuji Tanaka

Message Transmission without Cellular Coverage, “Relay-by-Smartphone"

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特徴・独自性
  • Our technology provides the necessary method for sending messages even when the physical infrastructure is not available. The technology utilizes common smartphone WiFi functionality to send message in a multi-hop fashion. Thus it is possible to send message to people further away. Our technology has been designed to be based on Delay-Tolerant Networks (DTN), but the technical key idea is the combination of DTN and Mobile Adhoc Network (MANET), which can improve the message delivery in an area with high population density or where mobility are fixed such as evacuation center.
実用化イメージ

This technology can be used to distribute information during emergency situation such as after disaster. In addition, it is possible to provide additional services such as advertisement within shopping areas, distribution of coupons, exchange of information within small group during public events or uses as transceiver during group hiking. There is also possibility of using this technology to provide communications service in developing nations.

Researchers

Graduate School of Information Sciences

Nei Kato

Metal complex catalysts for energy devices

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特徴・独自性
  • We have developed a new catalyst for fuel cells and metal-air batteries with using metal azaphthalocyanine unimolecular layer (AZUL) adsorbed on carbon materials. We applied it to variety of applications in the field of energy conversion and next generation energy devices.
実用化イメージ

Industries relating with energy and mobilities.

Researchers

Advanced Institute for Materials Research

Hiroshi Yabu

Method for efficient production of induced pluripotent stem cells utilizing cells derived from oral mucosa

特徴・独自性
  • We provide a technique which can produce induced pluripotent stem (iPS) cells with high establishment efficiency and imposes lower burden on patients. iPS cells can be produced efficiently with significantly increased establishment efficiency by selecting cells derived from the oral mucosa and introducing a reprogramming factor, which can induce the reprogramming of the cells into pluripotent stem cells, into the cells.
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Researchers

Graduate School of Dentistry

Hiroshi Egusa

Methods to Restore Strelity of Gramineous Plants under High- and Low-Temperature Stress Conditions

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特徴・独自性
  • Plant reproductive development is more sensitive than vegetative growth to many environmental stresses. High-temperature injury is becoming an increasingly serious problem due to recent global warming. In wheat, barley, and other crops, the early phase of anther development is most susceptible to high temperature. Oppositely, grain yields in rice plants are often reduced by exposure to low temperature. Unexpected climate change, such as abnormally hot or cool summer temperatures, have occurred repeatedly during recent years. This method indicates that an appropriate use of specific phytohormones, such as auxin and GA, may promote stress tolerance and adaptation to abiotic stresses.
実用化イメージ

These potentially novel functions of the classical phytohormones will be important sustainable agriculture in the face of global climate change.

Researchers

Graduate School of Life Sciences

Atsushi Higashitani

Microwave Processing of Functional Inorganic Materials

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特徴・独自性
  • Microwave processing is one of the attractive fields in recent materials processing. We perform various materials processing using non-equilibrium reaction field induced by microwave and/or ultrasonic irradiation. The topic contains powder metallurgy, nitride coatings, synthesis of new functional materials, fabrication of nanoparticles, etc. Recently we have developed a new TiN coating method using our microwave irradiation equipment operated at a frequency of 2.45 GHz. The method is simple but applicable to various substrates with complex shape. This method can be applied to various nitride coatings and will open a new coating technology in many fields of applications.
実用化イメージ

The major targets of TiN coatings are for cutting tools, ball bearings, dental implants, die and mold for stamping, and ornaments. The newly developed method makes it possible to perform nitride coatings within a short time using a standard microwave heating equipment. We hope to conduct collaborative research with a willing company for a practical application of these technology.

Researchers

Administrative Staff

Hirotsugu Takizawa

Minimally Invasive Medical Devices and Healthcare Devices Using Micro/Nano Machining Technology

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特徴・独自性
  • Medical devices and healthcare devices which have several functions with small size have been developed using precise micromachining technology and MEMS (Microelectromechanical systems) technology. More precise and safe diagnostics and therapy, as well as novel diagnostics and treatment can be realized by developing high-functionalized endoscopes and catheters and developing novel medical devices. Healthcare without restriction of location and time is aimed by developing thin, light and high-functionalized new healthcare devices.
実用化イメージ

Besides of basic research, we are working in cooperation with clinicians and medical device companies for practical use. We founded a university-launched venture company for bridge-building between university and company and collaborative researches have been performed.

Researchers

Graduate School of Biomedical Engineering

Yoichi Haga

Molecular Dynamics Analysis of Coating and Surface Modification

特徴・独自性
  • Molecular-scale mechanism of solid-liquid affinity, wettability, thermal boundary resistance and molecular deposition are analyzed by molecular dynamics simulations toward its control. With a background of heat and mass transport and interfacial thermodynamics, transport phenomena of various scales ranging from spin coating of photoresist to SAM (self-assembled monolayer) and hydrophobic/hydrophilic treatment by attaching some molecular basis are studied. Futhermore, the molecular-scale mechanisms which determine thermophysical properties and the molecular structure that realizes desired thermophysical properties are studied. We can conduct effective collaboration and provide academic consultations to companies interested in our research.
実用化イメージ

Researchers

Tohoku Medical Megabank Organization

Taku Obara

Molecular studies on new resources for hybrid rice breeding

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特徴・独自性
  • F1 hybrid breeding is one of the most advanced techniques for production of cultivars with higher yield and desirable traits of both parents. Most of hybrid rice utilize cytoplasmic male sterility (CMS) and fertility restoration system. We develop a Tohoku University-original CW-type CMS and fertility restorer line and study their molecular mechanism. The CW-type cytoplasm enables indica rice cultivars to be CMS, which could not be achieved by other known cytoplasm.
実用化イメージ

Hybrid rice has an average 30% yield advantage over inbred lines, and is cultivated on 13% of the world rice fields. Our study provides a new and original resource for hybrid rice breeding for globalization of rice industry.

Researchers

Graduate School of Agricultural Science

Kinya Toriyama