Research Profiles

JP

"G" Keywords - 26 Result(s)

G
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 G

[gait]

Development of Wearable Motion Measurement System for Motor Rehabilitation and Healthcare

 
 
 
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特徴・独自性
  • In order to realize wealthy and vibrant local communities, it is desired that people in the community are healthy. However, the amount of the daily activity decreases as they get older, which increases the risks of the fall by weakened lower limb muscles and of the cerebrovascular disease, and so on. Therefore, for the elderly people, there is increased need of the walking training and the movement assistance in daily life, and of the rehabilitation aid.
  • In this study, focusing on the motor function of the lower limbs that is important for independent activities of daily living and that relates to the health maintenance, development of assistive technologies for decreased gait ability or for dysfunction of lower limbs are performed based on the technologies of electronics and signal processing. Especially, the wearable sensor system using gyroscopes and accelerometers are developed to measure kinetic information, and then the evaluation system for the gait ability and the lower limbs motor function is developed in this study.
実用化イメージ

The goal of this study is to realize simple and convenient measurement and accumulation of various information of gait, to visualize the obtained data for determination of training effect and evaluation of motor function, and to provide appropriate training program for each subject.

Researchers

Graduate School of Biomedical Engineering

Takashi Watanabe

[gamma-secretase]

Yeast models of familial Alzheimer disease to screen for gamma-secretase inhibitors and modulators

 
 
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特徴・独自性
  • Using the yeast transcriptional activator Gal4 system, we reconstituted the production of amyloid beta (Aβ), responsible for Alzheimer disease. Aβ production could be monitored by the positive growth in the selection media or by the reporter enzyme (β-Gal). Utilizing familial Alzheimer disease mutants, we established a system to screen for mutations and chemicals that modulate gamma secretase activity and reduce toxic Aβ42.
実用化イメージ

Our yeast system can be used to screen for chemicals, natural products, food ingredients, genes, and mutations that modulate γ-secretase activity and block Aβ42 production specifically. We hope to conduct collaboration research with a willing company for a practical application of this technology in industry.

Researchers

Graduate School of Agricultural Science

Eugene Futai

[gamma-secretase modulator]

Yeast models of familial Alzheimer disease to screen for gamma-secretase inhibitors and modulators

 
 
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特徴・独自性
  • Using the yeast transcriptional activator Gal4 system, we reconstituted the production of amyloid beta (Aβ), responsible for Alzheimer disease. Aβ production could be monitored by the positive growth in the selection media or by the reporter enzyme (β-Gal). Utilizing familial Alzheimer disease mutants, we established a system to screen for mutations and chemicals that modulate gamma secretase activity and reduce toxic Aβ42.
実用化イメージ

Our yeast system can be used to screen for chemicals, natural products, food ingredients, genes, and mutations that modulate γ-secretase activity and block Aβ42 production specifically. We hope to conduct collaboration research with a willing company for a practical application of this technology in industry.

Researchers

Graduate School of Agricultural Science

Eugene Futai

[GaN ]

R&D in Semiconductor Materials and their Device Applications Bringing System Evolutions

 
 
 
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特徴・独自性
  • 1. Development of Distributed Feedback (DFB) Laser Diodes (LD) widely used in optical communications systems realizing a highly information-based society. This LD increases the transmission capacity by 25,000 times per fiber which means the bit rate of 10Tb/s.
  • 2. Nitride semiconductors famous for blue light emitting diodes.
  • (a) Proposal of InGaAlN system considering device applications in 1989
  • (b) Success in growth of single crystalline InGaN by metalorganic vapor phase epitaxy (MOVPE) in 1989
  • (c) Prediction of band-gap energy (Eg) of InN much smaller than the values reported in 1980s and its 　 experimental confirmation in 2002
  • (d) Observation of photoluminescence from InGaN in 1991
  • (e) Prediction of phase separation in InGaAlN in 1997
実用化イメージ

DFB-LD: Fabrication of periodic structure with submicron scale, Epitaxial growth of semiconductor films on the substrate with fine structures, LD fabrication process, device evaluation, and device simulation

Nitride Semiconductors: MOVPE growth, N-polar growth, Evaluation of semiconductor materials, Fabrication of light-emitting devices, solar cells, and high-power transistors

Researchers

New Industry Creation Hatchery Center

Takashi Matsuoka

Cheaper, higher quality GaN freestanding substrates using N polarity control.

概要

Nitride semiconductor free-standing substrate production method
https://www.t-technoarch.co.jp/data/anken_en/T14-121.pdf
This invention relates to a technique for producing high-quality nitride semiconductor freestanding substrates at a lower cost. The invention also includes the use of SCAlMgO4 substrates as seed crystals. The dislocation density of nitride semiconductors on this substrate becomes lower. By controlling the crystal polarity, the crystal diameter can be expanded as well as the thickness of the nitride semiconductor.

従来技術との比較

It is possible to fabricate freestanding nitride semiconductor substrates with lower through-dislocation density than conventional substrates. Furthermore, the cleavage property of ScMgAlO4, which serves as the substrate, facilitates the exfoliation of the nitride semiconductor and reduces the cost of substrate fabrication.

特徴・独自性
  • Usage of ScAlMgO4 as a source substrate.
  • Expansion of crystal diameter by using N-polar growth
  • When ScAlMgO4 is used as the seed crystal and AlN is formed as the surface protective layer of this crystal, the surface shall be further nitrided after oxidation of the surface.
  • The main surface of the seed crystal shall be inclined 0.4 to 1.2° from the c-plane.
実用化イメージ

This invention is to provide high-quality, low-cost free-standing nitride semiconductor substrates for optical devices such as light-emitting diodes and lasers, and transistors operated under high power, high voltage, and high frequency. Companies are expected to verify the commercialization of the product.

Researchers

New Industry Creation Hatchery Center

Takashi Matsuoka

[Gas turbine]

Combustion and Atomization Technology in High-Pressure Gas Turbine Conditions

 
 
 
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特徴・独自性
  • Combustion is a complex phenomenon composed of multi-dimensional dynamics of temperature, concentration, velocity, and chemical reactions. Advanced combustion technologies are essential for solving the environmental and energy issues. Our laboratory has a high-pressure combustion test facility which is a unique experimental facility in the world. Research projects have originality, especially in the field of high-pressure combustion and laser diagnostics, and focus on not only aerospace engineering and energy engineering including new fuel technology but also atomization technology and safety operations of chemical plants mostly operated at high pressure.
実用化イメージ

Potential collaborations are in the research fields of aerospace propulsions, automobile engines, power generations and chemical plants, in terms of development of gas turbine combustors for various fuels, generation and control of fuel atomizers, laser diagnostics of combustion and safety design of chemical reactors.

Researchers

Institute of Fluid Science

Hideaki Kobayashi

[gastroenteritis viruses]

Gastroenteritis virus-binding enteric bacteria for probiotics

 
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特徴・独自性
  • We have found enteric bacteria that can capture gastroenteritis viruses, such as norovirus and rotavirus, through histo-blood group antigen (HBGA)-like substances. These HBGA-positive bacteria give a significant impant on the ecology of gastroenteritis viruses in human body and in environments.
実用化イメージ

Since gastroenteritis virus-binding bacteria can affect the viral infection capability to host cells, these bacteria and produced HBGA-like substances are available in probiotics application.

Researchers

Graduate School of Engineering

Daisuke Sano

[Gel-sol method]

Functional Uniform Nanoparticles Production and Their Industrial Use

 
 
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特徴・独自性
  • Nanoparticles and/or fine particles to be used for functional materials, such as semiconductor, photocatalysts, dielectric and/or piezoelectric materials, cosmetics, catalysts, etc., has been synthesized in liquid-phase. Their size, shape, composition, and structure have been <strong>precisely controlled</strong> along an expected usage. <strong>Tailor-made synthesis method</strong> has been provided for nanoparticles and/or fine particles the companies wish to use.
実用化イメージ

Until now, we have been supplying nanoparticles and/or fine particles of ITO (Indium Tin Oxides) as TCO, Bi based or Nb based particles for lead-free piezoelectric ceramics, perovskite-based oxides for dielectric materials etc. The gel-sol method as the main synthesis method for uniform particles makes the production cost reduced.

Researchers

International Center for Synchrotron Radiation Innovation Smart

Atsushi Muramatsu

[Gene analysis]

Development of Recombinant Inbred Mice with a Genetic Predisposition to Collagen Disease

 
 
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特徴・独自性
  • Eleven strains of recombinant inbred (RI) mice derived from MRL/lpr and C3H/lpr mice were established. This RI is the only one in the world that randomly develops lesions such as nephritis, arthritis, sialadenitis, vasculitis, and production of autoantibodies in each strain. The genomes of the two strains of mice are randomly held in homozygous condition, and the phenotypes of each strain and the effects of administered drugs could be compared based on their genotype maps. It is possible to identify the regions of gene loci involved in the phenotype and drug sensitivity.
実用化イメージ

Development of diagnostic and therapeutic agents for autoimmune diseases. It can be applied to the elucidation of the mechanism of onset of immunological adverse events caused by immune checkpoint inhibitors and the development of drugs to prevent the onset of such events, and industry-academia collaboration with pharmaceutical companies, test reagent companies, etc. is possible.

Researchers

Graduate School of Biomedical Engineering

Tetsuya KODAMA

[Gene Transfection]

Development of Nano-Medical-Agricultural Applied Technology Using Ion-Controlled Plasma

 
 
 
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特徴・独自性
  • Since we have developed the techniques (ion control plasma) to generate and control ions, electrons, reactive species (radicals) in the low temperature non-equilibrium plasmas which I can touch by hand, the composite materials using nanoparticles, nanocarbons, biological molecules are synthesized in the nano-electronics field, the minimally-invasive and highly-efficient drug/gene transfection systems are developed in the medical field, and bacteria and insects are killed by the plasma in place of pesticide in the agricultural field.
実用化イメージ

The ion-controlled plasmas are applied for the minimally-invasive gene transfection system, next-generation agricultural system, the electrode material of highly-efficient battery, and so on. We hope to conduct the collaborative research with a willing company for a practical application of the novel plasma nano-medical-agricultural applied technology in industry.

Researchers

Graduate School of Engineering

Toshiro Kaneko

[Generic medicine]

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

[Genetic Diversity]

Construction of Monitoring Systems for Genetic Diversity in Aquatic Organisms

 
 
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特徴・独自性
  • Maintaining genetic diversity within a species is a major issue to conserve biodiversity and sustainable use. To monitor genetic diversity in natural and captive populations using adequate genetic markers is the most important step. We have focused aquatic organisms and studied the genetic diversity using an array of DNA analyses. Our research interest includes 1) genetic structure and phylogeography of natural populations in marine and freshwater organisms and 2) genetic management of commercially important species to contribute the stock enhancement programs.
実用化イメージ

Our skill can be applied to environmental assessment and fish resource management. We are collaborating with national institutes and giving advice to private environmental assessment companies.

Researchers

Graduate School of Agricultural Science

Minoru Ikeda

[genome editing]

Improvement of Seed Production by Using Reproductive Trait in Crops, Especially, Rice and Cruciferous Crops

 
 
 
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概要

The recent spate of extreme weather events is threatening to reduce crop seed and fruit production. We have identified a catalog of genes that respond under low and high temperature stress, and will construct a system that enables production under temperature stress through genome editing and other methods.

従来技術との比較

In addition to conventionally used genetic recombination methods, genome editing technology has made it possible to modify genes that can be used for practical purposes.

特徴・独自性
  • Crops are important for food, environment recovery, energy production, and amenity activity for human being. For improvement of crop seed production, the breeding of crops having environmental stress, is important. Especially the developmental stage from pollination to fertilization is quite weak for these environmental stresses. Thus, by breeding of reproductive trait, we will establish the high productivity and quality of crop seeds. From our research, we found several stress-tolerant genes. We already started the research by both basic and applied level.
実用化イメージ

For application, we evaluated by taking prize for application in 2001. And our basic data has been published in international Journal, "Nature" and "Science". If anyone is interested in these genes, we hope to conduct to collaborative research for establishing the useful breeding lines.

Researchers

Graduate School of Life Sciences

Masao Watanabe

[Genomics]

Oral Biofilm Functional Analysis: from “What Are They?" to “What Are They Doing?"

 
 
 
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特徴・独自性
  • A large number of microorganisms inhabit the oral cavity, such as the teeth, gingiva and tongue, in the form of oral biofilm. The oral cavity forms an ecosystem where the host (humans) and parasites (microorganisms) coexist. Disruption of the balance of this oral ecosystem leads to dental caries, periodontal diseases and oral malodor, and even deterioration of dental materials.
  • Using leading-edge techniques of anaerobic experimental systems including original and unique devices, as well as the notion of "omics" such as metagenomics and metabolomics, we conduct research on oral biofilm functions. Knowledge of oral biofilms, from "what are they?" to "what are they doing?", enables us to address their control, that is, prevention of and therapy for oral biofilm-associated diseases.
実用化イメージ

Risk assessment of oral biofilm-associated diseases, such as dental caries, periodontal disease, oral malodor and aspiration pneumonia
Effects of medicine and food ingredients on oral biofilm function
Evaluation of biofilm-mediated material deterioration

Researchers

Graduate School of Dentistry

Nobuhiro Takahashi

[gingiva]

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.
実用化イメージ

Researchers

Graduate School of Dentistry

Hiroshi Egusa

[GIS]

[glass]

newGlass that conducts heat well

 
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概要

We aim to give high thermal conductivity to glass, which is known as a material that does not conduct heat well, and to apply it to new fields.

従来技術との比較

If mixed with a high thermal conductive material, glass can be a good conductor of heat. However, all the advantages of glass, such as transparency and freedom of molding, are lost. In this research, we succeeded in developing a transparent glass with high thermal conductivity that retains its glassiness by adopting the strategies of high thermal conductivity MgO deposition and refractive index matching.

特徴・独自性
  • Transparent
  • Free molding
  • Thermal conductivity ~ 3 W/(m K) [300% of that of window glass]
実用化イメージ

Heat dissipation management using glass [heat dissipating glass substrates, lenses, fibers, etc.]

Researchers

Graduate School of Engineering

Nobuaki Terakado

[Global Warming]

Prediction and evaluation of future thermal and wind environments based on CFD, and planning of urban environments adaptable to future climate

 
 
 
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特徴・独自性
  • Numerical simulations of the physical environment of urban outdoor spaces are conducted to predict the physical environment, such as temperature, humidity, wind, and pollutant concentration, and field measurements are conducted to understand the actual physical environment. In addition, the future outdoor environments and heat stroke risks due to global warming are predicted and evaluated.
    Furthermore, the impacts of urban morphology (building shape and layout, street trees, etc.) on the adaptation to severe heat in summer and rare typhoons and floods are evaluated quantitatively.
実用化イメージ

Numerical analysis is used to quantitatively evaluate the "merits and demerits" of designing buildings, planning city blocks and urban areas, and introducing various heat control technologies on the wider thermal environment and the formation of wind ventilation paths, as well as the adverse effects of typhoons and other disasters. The materials for making decisions on whether or not to introduce these technologies are provided.

Researchers

Graduate School of Engineering

Yasuyuki Ishida

[Glomerulonephritis]

Development of Recombinant Inbred Mice with a Genetic Predisposition to Collagen Disease

 
 
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特徴・独自性
  • Eleven strains of recombinant inbred (RI) mice derived from MRL/lpr and C3H/lpr mice were established. This RI is the only one in the world that randomly develops lesions such as nephritis, arthritis, sialadenitis, vasculitis, and production of autoantibodies in each strain. The genomes of the two strains of mice are randomly held in homozygous condition, and the phenotypes of each strain and the effects of administered drugs could be compared based on their genotype maps. It is possible to identify the regions of gene loci involved in the phenotype and drug sensitivity.
実用化イメージ

Development of diagnostic and therapeutic agents for autoimmune diseases. It can be applied to the elucidation of the mechanism of onset of immunological adverse events caused by immune checkpoint inhibitors and the development of drugs to prevent the onset of such events, and industry-academia collaboration with pharmaceutical companies, test reagent companies, etc. is possible.

Researchers

Graduate School of Biomedical Engineering

Tetsuya KODAMA

[glycan]

Production of Tumor-Specific Monoclonal Antibodies

 
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特徴・独自性
  • Podoplanin (PDPN/Aggrus/T1α), a platelet aggregation-inducing mucin-like sialoglycoprotein, is highly expressed in many cancers and normal tissues. A neutralizing monoclonal antibody (mAb; NZ-1) can block the association between podoplanin and C-type lectin-like receptor-2 (CLEC-2) and inhibit podoplanin-induced cancer metastasis, but NZ-1 reacts with podoplanin-expressing normal cells such as lymphatic endothelial cells. Recently, we established a platform to produce cancer-specific mAbs (CasMabs). The newly established LpMab-2 mAb reacted with podoplanin-expressing cancer cells but not with normal cells, as shown by flow cytometry and immunohistochemistry; therefore, LpMab-2 is an anti-podoplanin CasMab that is expected to be useful for molecular targeting therapy against podoplanin-expressing cancers.
実用化イメージ

We can produce cancer-specific mAbs (CasMabs) against all membranous proteins. CasMabs are expected to be useful for molecular targeting therapy without side effects.

Researchers

Graduate School of Medicine

Yukinari Kato

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