Study on accumulation of radioactive cesium in hyphae and fruiting body of filamentous fungi

Ohnuki Lab.

The transfer factors (TFs) of radioactive Cs from soil to the fruit bodies of wild mushrooms in Fukushima were similar in range to those reported for fruit bodies collected in Europe after Chernobyl, and in Japan before the accident. Small amounts of radioactive Cs still accumulated in the hyphae after the addition of minerals including vermiculite to the agar medium.


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Elucidation of the radiation effects on the skin

Matsumoto Lab.

We generated skin keratinocytes from iPS cells and clarified the biological effects of radiation in the skin. This is the first study to analyze the radiation response in skin keratinocytes generated from iPS cells. This study can be used for basic research, such as the mechanism elucidation of cancer and aging. In addition, the ripple effect can be expected in various fields such as development of skin protection agents used for radiation therapy, skin disease medicines, and cosmetics.


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The causes of several hundred % dispersion of laminar and turbulent heat transfer coefficients of liquid metals were clarified

Hiroyasu MOCHIZUKI

It was clarified by investigating past experimental reports and CFD analysis that the dispersion and deviation (left figure) have been caused by measurement methods and data processing assumptions. It has been also clarified the measurement methods to obtain the correct data (right figure).


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Solving a mystery: A new model for understanding how certain nuclei split

Scientists at Tokyo Tech have extended an existing mathematical model so that it can be used to more accurately predict the products of fission reactions.

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Technetium-98 nuclear cosmochronometer synthesized by supernova neutrinos

A team of researchers has theoretically predicted that an unstable isotope Technetium-98 (98Tc) could be synthesized by neutrinos emitted from supernova explosions.

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Visual Introduction of LANE (Director's address, and research topics)

Visual Introduction of LANE was exhibited in American Physical Society (APS) March Meeting 2018.

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Theoretical model to describe a precise configuration of a fissioning nucleus

Chiba Lab.

We have proposed an improved model for predicting the generation of kinetic energy of fission fragments, which eventually turns into the thermal energy in nuclear reactors, from nuclear fission processes. Our 4-dimensional Langevin model can help improve efficiency in nuclear power generation.

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Development of a function-sharing multiple interface structure for corrosive fluid environments

Masatoshi KONDO

Liquid metal is a promising fluid as a coolant of fast reactors and fusion reactors. However, the material compatibility between the liquid metal and structural materials is one of the critical issues. We have proposed a function-sharing interface structure to suppress the corrosion of the structural materials in the liquid metal.

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Simulation of fission of236U by antisymmetrized moleculear dynamics

Chiba Laboratory

Nuclear fission is the fundamental physics process of nuclear energy, but it also populates much radioactive nuclei. We have proposed a system to transmute radioactive materials having very long half lives to those having much shorter half lives by using fast reactors.

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Active Carbon Recycling Energy System driven by Nuclear Reactors

Yukitaka KATO

A new energy transformation concept based on carbon recycling, called as Active Carbon Recycling Energy System, ACRES, was proposed. ACRES driven by high temperature gas reactor is applicable on smart iron making process.

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Study of Superconducting Magnet Energy Storage to Activate Uses of Renewable Energy

Hiroaki TSUTSUI

In order to increase the uses of renewable energies, it is necessary to leveling the temporal power variation of renewable energy. We, therefore, proposed a Superconducting Magnet Energy Storage with a geodesic orbit which is stable for mechanical perturbations.

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Aim to open a new interdisciplinary between modern geometry and materials science

Jun ONOE

We first observed the geometric curvature effects on electronic properties, which have been predicted theoretically in 1950s, using one-dimensional metallic nanocarbon with a periodic uneven curved structure. This result is expected to open a new paradigm between modern geometry and materials science.

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Thermo balance system for development of thermochemical energy storage materials

Kato Lab.

Thermochemical energy storage (TCES) has big potential for efficient energy system. Kato laboratory is developing original TCES materials for energy efficient use by using the thermo balance system.



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Ultrahigh vacuum apparatus for examining in situ the optical and electronic properties of nanomaterials

Onoe Lab.

Ultrahigh vacuum apparatus for measuring in situ photo-electron conversion and electron-transport characteristics of novel nanocarbon and organic layered films



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