Search Results - "Hakamada, Masataka"
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Preparation of nanoporous Ni and Ni–Cu by dealloying of rolled Ni–Mn and Ni–Cu–Mn alloys
Published in Journal of alloys and compounds (19-10-2009)“…Nanoporous Ni, Ni–Cu and Cu with ligament sizes of 10–20 nm were fabricated by dealloying rolled Ni–Mn, Cu–Ni–Mn and Cu–Mn alloys, respectively. Unlike…”
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2
Effects of actuation of nanoporous gold on cell orientation in a fibroblast sheet
Published in Journal of materials science. Materials in medicine (01-09-2021)“…Mechanical stimulation such as flood flow often plays a vital role in the growth and maintenance of a living body, and it is important to investigate cell…”
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3
Fabrication of nanoporous palladium by dealloying and its thermal coarsening
Published in Journal of alloys and compounds (01-06-2009)“…Nanoporous Pd with an average ligament size of 5–20 nm was fabricated by dealloying Pd 0.2Co 0.8 alloy. An electrochemical potential of +0.5 V (vs saturated…”
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4
New Dissimilar Joining Method of CFRP/A6061 Al by Cu Electrodeposition
Published in MATERIALS TRANSACTIONS (01-05-2021)“…A new CFRP-aluminum joining method has been developed by Cu electrodeposition. Cu deposition was filled into the roughened CFRP surface and the significant…”
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5
Mechanical anisotropy due to twinning in an extruded AZ31 Mg alloy
Published in Materials science & engineering. A, Structural materials : properties, microstructure and processing (25-06-2008)“…Tensile and compressive tests were performed at room temperature −673 K on extruded AZ31 alloy specimens with different (0 0 0 2) texture intensities and grain…”
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6
Adsorption of RGD Tripeptide on Au (111) Surface
Published in MATERIALS TRANSACTIONS (01-08-2019)“…To date, many studies have been performed on interactions between amino acids and inorganic surfaces. However, the interactions are still in debate. Au is one…”
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7
Edge Joining of A6061 Aluminum Alloy Sheets by Electrodeposition of Copper
Published in MATERIALS TRANSACTIONS (01-09-2023)“…T6-tempered A6061 aluminum alloy sheets were edge joined using electrodeposited copper. Anodic oxidation of the aluminum alloy substrates improved the…”
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8
Unusual effects of a nanoporous gold substrate on cell adhesion and differentiation because of independent multi-branch signaling of focal adhesions
Published in Journal of materials science. Materials in medicine (26-10-2023)“…A variety of cell behaviors, such as cell adhesion, motility, and fate, can be controlled by substrate characteristics such as surface topology and chemistry…”
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Detachment of Mesenchymal Stem Cells and Their Cell Sheets Using pH-Responsive CaCO3 Particles
Published in MATERIALS TRANSACTIONS (01-01-2019)“…Cell sheet technology contributes to advances in tissue engineering. Although various approaches to control cell adhesion and detachment to a culture dish have…”
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10
Antibacterial activity of ultrathin platinum islands on flat gold against Escherichia coli
Published in Scientific reports (12-06-2020)“…Nanoporous Au exhibits high antibacterial activity (AA) without releasing reactive oxygen species or metal ions, instead its AA depends on the work function…”
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Oxygen reduction on bimodal nanoporous palladium–copper catalyst synthesized using sacrificial nanoporous copper
Published in Journal of materials research (01-06-2019)“…Nanoporous copper (NP-Cu), as a sacrificial support, was used for the synthesis of bimodal nanoporous palladium–copper (BNP-PdCu) for oxygen reduction reaction…”
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12
Thermal coarsening of nanoporous gold: Melting or recrystallization
Published in Journal of materials research (01-02-2009)“…The thermal coarsening of nanoporous Au was examined and compared with the thermal instability of Au nanoparticles. The nanoporous Au was coarsened at…”
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13
Joining of Anodized and Stacked Aluminum Sheets by Copper Electrodeposition: Nano-Anchor Effect
Published in MATERIALS TRANSACTIONS (01-01-2018)“…A new manufacturing process for metallic layers is proposed, where no thermal process is required. Al sheets were anodized in H3PO4, and the anodized sheets…”
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14
Nanoporous Gold Prism Microassembly through a Self-Organizing Route
Published in Nano letters (01-04-2006)“…We report a simple and spontaneous synthesis of a nanoporous gold prism microassembly with highly dense skins, which is achieved just by immersing nanoporous…”
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Preparation of Nanoporous Palladium by Dealloying: Anodic Polarization Behaviors of Pd-M (M=Fe, Co, Ni) Alloys
Published in MATERIALS TRANSACTIONS (01-01-2009)“…Anodic polarization behaviors of Pd-M (M=Fe, Co, Ni) alloys in H2SO4 solution are investigated for the preparation of nanoporous palladium by dealloying. For…”
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16
Electronic origin of antimicrobial activity owing to surface effect
Published in Scientific reports (31-01-2019)“…Nanomaterials have displayed promising potential as antimicrobial materials. However, the antimicrobial mechanism owing to surface effects, where the emission…”
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Water-adsorption effect on electrical resistivity of nanoporous gold
Published in Scripta materialia (01-10-2016)“…The effect of water adsorption on the electrical resistivity of nanoporous gold (NPG) thin films, as well as flat gold (FG) with no nanoporosity, has been…”
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18
Molecular dynamics study of laccase immobilized on self-assembled monolayer-modified Au
Published in Journal of materials science (01-11-2017)“…Molecular dynamics simulations of laccase immobilized by 4-aminothiophenol (4-ATP) were performed to understand the origin of the enhanced catalytic activity…”
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19
Sterilization by a Pulsed Electric Field with Dendritic Gold Electrodes
Published in MATERIALS TRANSACTIONS (01-07-2018)“…The dendritic gold electrodes effectively inactivated Escherichia coli (E. coli) by pulsed electric field (PEF) sterilization. Two phenomena are involved: (1)…”
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20
Microstructural evolution in nanoporous gold by thermal and acid treatments
Published in Materials letters (15-02-2008)“…Nanoporous gold was fabricated by dealloying a rolled Au0.3Ag0.7 sheet and the effects of thermal and acid treatments on the porous structure and (111) texture…”
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