Naoki Okamoto

Improvement of Yield and EDLC Performance of Activated Carbon from Cellulose by Adding Thermally Decomposed Products from Melamine

Yiliya Aishan, Takeyasu Saito, Akinori Muto, Naoki Okamoto

Fossil fuels derived from coal or petroleum have served as the primary global energy resource for over a century. However, their combustion releases carbon dioxide and other greenhouse gases that contribute to global warming and climate change. Given the significant threat that …

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Multidetector computed tomography angiography predicts the need for bronchial artery embolization in hemoptysis: A retrospective cohort study of 32 patients

Haruyasu Sakuranaka, Yosuke Nemoto, Ryota Nakayama, Yuji Yamakawa et autres

Background: Bronchial artery embolization (BAE) is the standard intervention for severe hemoptysis, yet predicting which patients will require BAE remains challenging. We evaluated whether multidetector computed tomography angiography (MDCTA) findings can predict the need for BAE. Methods: We retrospectively reviewed 32 consecutive …

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Control of Surface Oxidation and Stress by Additives in Ni Electrodeposition

Takeyasu Saito, Kohei Yamada, Ryosuke Komoda, Naoki Okamoto

Consideration on the electrochemical behavior of graphene dispersed in aqueous solution

Naoki Okamoto, Takeyasu Saito

Atypical cell death and insufficient matrix organization in long-bone growth plates from Tric-b-knockout mice

Atsuhiko Ichimura, Yuu Miyazaki, Hiroki Nagatomo, Takaaki Kawabe et autres

Abstract TRIC-A and TRIC-B proteins form homotrimeric cation-permeable channels in the endoplasmic reticulum (ER) and nuclear membranes and are thought to contribute to counterionic flux coupled with store Ca2+ release in various cell types. Serious mutations in the TRIC-B (also referred to …

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Electrical Properties of Reactive Sputtered Ti or V - based MAX alloy Thin Films

Kazuki Ueda, Kazunobu Wakamatsu, Takeyasu Saito, Naoki Okamoto

Evaluation of Reactive Sputtered Ti-group MAX Alloy with Different A Elements for Wiring Material

Takeyasu Saito, Kazunobu Wakamatsu, Kazuki Ueda, Naoki Okamoto

TiSiCN thin film, as a Ti-based MAX compounds, was prepared through reactive sputtering with Ar or N2to evaluate as a wiring material instead of Cu. We investigated in detail the effects of target composition by changing Si area on TiC disk as …

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Multidetector computed tomography angiography findings predicts the need for bronchial artery embolization for moderate to severe hemoptysis: a single-center retrospective cohort study

Haruyasu Sakuranaka, Ryouta Nakayama, Yuji Yamakawa, Tadaharu Nakamoto et autres

Abstract Background While the utility of multidetector computed tomography angiography (MDCTA) as a guide before bronchial artery embolization (BAE) has been demonstrated, its utility in determining the need for BAE is unclear. In the present study, we investigated whether MDCTA could identify …

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Effect of SiC Content and Particle Size on the Self-Healing Property of Plasma-Sprayed Environmental Barrier Coatings

Kent Mitani, Hiroki Saito, Yuji Ichikawa, Kazuhiro Ogawa et autres

SiC ceramic matrix composites (CMC) are potential materials for hot section gas turbine components due to their high heat resistance and low density. However, SiC CMC degrades over time in steam oxidation environments. Therefore, environmental barrier coatings (EBC) are necessary to protect …

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Control of Surface Oxidation and Stress by Additives in Ni Electrodeposition

Takeyasu Saito, Kohei Yamada, Ryosuke Komoda, Naoki Okamoto

Evaluation of Reactive Sputtered Ti-group MAX Alloy for Wiring Material

Takeyasu Saito, Kazunobu Wakamatsu, Kazuki Ueda, Naoki Okamoto

Characteristics of oxide film formed on cavitation-treated steel surface in water

Masataka Ijiri, Naoki Okamoto, Shun Okamoto, Takayuki Ogi et autres

Rust in rust-prone steel is promoted in water by corrosive factors. Therefore, to prevent the formation of rust, it is necessary to eliminate various corrosive factors before plating or other rust prevention measures. In this study, we investigated improvement of the corrosion …

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