65 Result(s)
within
Takashi Itoh
English
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Article
Open AccessNucleobindin 2 inhibits senescence in gastric carcinoma
Here, we focused on the role of Nucleobindin 2 (NUCB2), a multifunctional protein, in gastric carcinoma (GC) progression. NUCB2 expression was investigated in 150 GC cases (20 non-invasive (pT1) and 130 invasi...
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Article
Enhanced Photoanodic Activity and Outermost Surface Crystallinity of Tungsten Oxide via High-temperature Sintering
Tungsten oxide (WO3) is a promising photoanode material capable of water oxidation under visible-light irradiation. Although WO3 is usually prepared via sintering at 500 °C–550˚C, this work shows that high-temper...
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Article
Open AccessStructural and functional differences in auto-antibody positive compared to auto-antibody negative hypothyroid patients with chronic thyroiditis
Most primary hypothyroidism in adults is caused by chronic thyroiditis. Autoantibodies such as anti-thyroglobulin antibody (TgAb) and anti-thyroid peroxidase antibody (TPOAb) are involved in the pathogenesis o...
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Article
Open AccessUsefulness of cortisol/ACTH ratio (CAR) for diagnosis of cushing's syndrome: comparison of CAR with findings in dexamethasone suppression test
Cushing's syndrome and subclinical Cushing's syndrome (SCS) are conditions of increased cortisol secretion from the adrenal glands. Cushing's syndrome includes adrenocorticotropic hormone (ACTH)-dependent Cush...
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Article
Integration of large heterologous DNA fragments into the genome of Thermococcus kodakarensis
In this study, a transformation system enabling large-scale gene recombination was developed for the hyperthermophilic archaeon Thermococcus kodakarensis. Using the uracil auxotroph T. kodakarensis KU216 (∆pyrF) ...
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Article
Optimization of Degreasing-Sintering Process for Mg2Si/PLA Mixture and Influences of Additive Amount of Al on Sintered Density and Thermoelectric Performance of Mg2Si Fabricated by the Optimized Process
Fused deposition modelling (FDM) type of 3D printing is widely used for manufacturing complex shaped polymer products. Recently, the metal/polymer composite products can be made by 3D printer using metal/polym...
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Chapter
Halophilic Microorganisms from Man-Made and Natural Hypersaline Environments: Physiology, Ecology, and Biotechnological Potential
Halophilic prokaryotes are of increasing interest for a wide range of biotechnological applications. This chapter provides an overview of their classification and taxonomy; describes their ecology and characte...
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Article
Thermoelectric Properties of Al-doped Mg2Si Compounds Prepared via Three Kinds of Process for Grain Refinement
Dimagnesium silicide is an eco-friendly thermoelectric compound whose constituent elements of both Mg and Si are non-toxic and exist in abundance on the earth. In this study, we attempted to control the therma...
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Chapter
Energy Storage in Batteries and Fuel Cells
and (FCs) are the two major types of solar energy storage devices currently in use. Secondary batteries reversibly convert stored chemical energy (e.g., from solar power devices) into electrical energy. F...
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Article
Influence of Aluminum Addition on Thermoelectric Performance of Mg2Si Compound under Air Exposure with Temperature Difference
Dimagnesium silicide (Mg2Si) is an eco-friendly material useful for thermoelectric generation using waste heat of temperature range of 600 to 900 K. To improve the thermoelectric performance of the Mg2Si compound...
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Article
Synthesis of CaMn2O4-related electrocatalyst for oxygen evolution electrode of water-splitting
Water-splitting by using electric power produced by solar cells is promising system to produce hydrogen without fossil fuels. Oxygen evolving catalyst is, however, major problem to prevent using this system wi...
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Article
Open AccessOrbital-specific Tunability of Many-Body Effects in Bilayer Graphene by Gate Bias and Metal Contact
Graphene, a 2D crystal bonded by π and σ orbitals, possesses excellent electronic properties that are promising for next-generation optoelectronic device applications. For these a precise understanding of quas...
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Reference Work Entry In depth
The Family Caldisphaeraceae
The family Caldisphaeraceae, represented by a sole genus Caldisphaera, is a member of the order Acidilobales, class Thermoprotei. The genus houses a single validated species C. lagunensis: however, a non-validate...
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Reference Work Entry In depth
The Family Thermoproteaceae
The family Thermoproteaceae of the order Thermoproteales, class Thermoprotei, is represented by rod-shaped, strictly anaerobic, microaerophilic or facultatively aerobic, moderate acidophilic to neutrophilic, hype...
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Article
Natronomonas gomsonensis sp. nov., isolated from a solar saltern
A halophilic archaeal strain, SA3T, was isolated from sediment of a solar saltern in Gomso Bay, Republic of Korea. Cells of strain SA3T were observed to be coccoid-shaped, to lyse in distilled water, Gram stain-n...
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Article
Nucleation and polymorphism of trans-1,4-polyisoprene containing copper phthalocyanine
The effect of α- or β-copper phthalocyanine (CuPc) as a nucleating agent during the crystallization of trans-1,4-polyisoprene (TPI) was evaluated using polarized optical microscopy (POM), differential scanning ca...
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Article
Identification and histamine formation of Tetragenococcus isolated from Thai fermented food products
Forty-one tetrad-forming halophilic lactic acid bacteria were isolated from 7 kinds of fermented foods in Thailand. All the isolates were identified as the genus Tetragenococcus by their phenotypic characteristic...
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Chapter
Phylogeny and Biological Features of Thermophiles
Thermophilic prokaryotes constitute a quite large group among the currently known prokaryotic species. At present, more than 220 genera and 580 species of the thermophiles have been isolated from various therm...
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Article
Influence of Addition of Alumina Nanoparticles on Thermoelectric Properties of Higher Manganese Silicide
Higher manganese silicide (HMS) is a low-cost and eco-friendly thermoelectric material available for recovering waste heat of 500 to 900 K. In this research, we tried to uniformly disperse the alumina nanopart...
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Article
Effects of Heavy Element Substitution on Electronic Structure and Lattice Thermal Conductivity of Fe2VAl Thermoelectric Material
By using first-principles cluster calculations, we identified that Ta or W substitution for V is useful for decreasing the lattice thermal conductivity of the Fe2VAl Heusler alloy without greatly affecting the el...
