Tomoya Takada
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View article: Combined Effect of Sonication and Electron Beam Irradiation on the Photocatalytic Organic Dye Decomposition Efficiency of Graphitic Carbon Nitride
Combined Effect of Sonication and Electron Beam Irradiation on the Photocatalytic Organic Dye Decomposition Efficiency of Graphitic Carbon Nitride Open
The photocatalytic efficiency of graphitic carbon nitride (g-C3N4) for aqueous rhodamine B (RhB) decomposition was investigated. To examine the combined effects of sonication and electron beam (EB) irradiation on the photocatalytic efficie…
View article: Mechanical and swelling properties of polyacrylamide/polyacrylic acid composite hydrogels: The effects of network structure and carbon nanotube reinforcement
Mechanical and swelling properties of polyacrylamide/polyacrylic acid composite hydrogels: The effects of network structure and carbon nanotube reinforcement Open
The tensile elastic modulus and swelling ratio of polyacrylamide/polyacrylic acid hydrogels were investigated to evaluate the effects of gel structure (random copolymer and interpenetrating network) and reinforcement with multi-walled carb…
View article: Transient Hemichorea-hemiballism Induced by a Combination of Postprandial Hypotension and Severe Stenosis of the Innominate Artery Concomitant with Left Carotid Occlusion
Transient Hemichorea-hemiballism Induced by a Combination of Postprandial Hypotension and Severe Stenosis of the Innominate Artery Concomitant with Left Carotid Occlusion Open
Hemichorea-hemiballism (HCHB) due to transient ischemic attacks (TIAs) is rare. An 83-year-old woman had repeated episodes of right-sided HCHB for 3 months. Magnetic resonance (MR) angiography demonstrated occlusion of the left carotid and…
View article: Fluoride removal from water using Zr-modified meso- and macroporous carbons: Effect of pore structure and adsorption conditions
Fluoride removal from water using Zr-modified meso- and macroporous carbons: Effect of pore structure and adsorption conditions Open
We investigated the effects of the pore structure and adsorption conditions (pH and coexisting anions) on the fluoride (F–) removal capacity of Zr-modified porous carbons. The porous carbons used in this study possessed well-defined pore s…
View article: Removal of Volatile Toluene Using K2CO3-Activated Carbon Adsorbents Prepared from Buckwheat Hull
Removal of Volatile Toluene Using K2CO3-Activated Carbon Adsorbents Prepared from Buckwheat Hull Open
Carbon adsorbents for use in the removal of gaseous toluene from the air were prepared from buckwheat (Fagopyrum esculentum Moench) hull. A chemically-activated adsorbent was prepared via the impregnation of raw hull powder with potassium …
View article: Cover Image, Volume 138, Issue 46
Cover Image, Volume 138, Issue 46 Open
The image provided by Tomoya Takada and colleagues shows a cross-sectional SEM micrograph of acrylic denture base resin impregnated with nanodiamond (ND). This study aimed to evaluate the effect of ND impregnation on the thermal conductivi…
View article: Direct <i>ab initio</i> molecular dynamics study on the reactions of multi-valence ionized states of water dimer
Direct <i>ab initio</i> molecular dynamics study on the reactions of multi-valence ionized states of water dimer Open
We investigated the reaction of multi-valence (+2) ionization states of water dimer (H 2 O) 2 using direct ab initio molecular dynamics method. The following multi-valence ionization states were considered. In the direct two-electron ioniz…
View article: Solvatochromism of 4-(diethylamino)-4’-nitroazobenzene: explanation based on CNDO/S calculation results
Solvatochromism of 4-(diethylamino)-4’-nitroazobenzene: explanation based on CNDO/S calculation results Open
Solvatochromism of 4-(diethylamino)-4’-nitroazobenzene was observed by visible absorption spectroscopy, and mechanism of the shift of absorption maxima was explained on the basis of semi-empirical molecular orbital calculation results. The…
View article: Fabrication of infrared-responsive carbon nanotube coating on glass surface through covalent bond formation using photoreactive silane coupling agent
Fabrication of infrared-responsive carbon nanotube coating on glass surface through covalent bond formation using photoreactive silane coupling agent Open
A carbon nanotube (CNT) layer was fabricated on a glass surface through covalent bond formation between the CNT and a photoreactive silane layer that was constructed on the glass. The silane layer contains a chlorobenzyl group (–C6H4–CH2Cl…
View article: Thermoresponse of poly(acrylamide-<i>co</i>-butyl methacrylate)/polyacrylic acid/MWCNT composite hydrogels observed by infrared irradiation
Thermoresponse of poly(acrylamide-<i>co</i>-butyl methacrylate)/polyacrylic acid/MWCNT composite hydrogels observed by infrared irradiation Open
An infrared-responsive poly(acrylamide-co-butyl methacrylate)/polyacrylic acid/multi-wall carbon nanotube (MWCNT) interpenetrating network hydrogel was prepared, and its temperature response was observed. This hydrogel exhibits an upper cr…
View article: Removal of F− from Water Using Templated Mesoporous Carbon Modified with Hydrated Zirconium Oxide
Removal of F− from Water Using Templated Mesoporous Carbon Modified with Hydrated Zirconium Oxide Open
Three types of MgO-templated mesoporous carbon possessing different specific surface area and pore size distribution were modified with hydrated zirconium oxide (ZrO2·xH2O) to prepare fluoride anion (F−) adsorbents. ZrO2·xH2O was synthesiz…
View article: Effects of Gait Treatment With a Single-Leg Hybrid Assistive Limb System After Acute Stroke: A Non-randomized Clinical Trial
Effects of Gait Treatment With a Single-Leg Hybrid Assistive Limb System After Acute Stroke: A Non-randomized Clinical Trial Open
We hypothesized that a single-leg version of the Hybrid Assistive Limb (HAL) system could improve the gait and physical function of patients with hemiparesis following a stroke. In this pilot study, we therefore compared the efficacy of HA…
View article: Correlation Between Bone Density and Lumbar Compression Fractures
Correlation Between Bone Density and Lumbar Compression Fractures Open
Objectives: Bone densitometry is widely used to evaluate osteoporosis; however, it is pointed out that bone density may be high in the case of fractures, deformities, and osteosclerotic changes. The present study evaluated bone density mea…
View article: Preparation of MgO-Templated N-Doped Mesoporous Carbons from Polyvinylpyrrolidone: Effect of Heating Temperature on Pore Size Distribution
Preparation of MgO-Templated N-Doped Mesoporous Carbons from Polyvinylpyrrolidone: Effect of Heating Temperature on Pore Size Distribution Open
Magnesium oxide (MgO)-templated nitrogen (N)-doped mesoporous carbons were prepared by using polyvinylpyrrolidone (PVP) as a raw material and magnesium lactate (Mglac) as a precursor for the MgO template to examine the influence of heating…
View article: The Ultraviolet-Induced Functionalization of Multi-Walled Carbon Nanotubes with Polymer Radicals Generated from Polyvinyl Benzoate Derivatives
The Ultraviolet-Induced Functionalization of Multi-Walled Carbon Nanotubes with Polymer Radicals Generated from Polyvinyl Benzoate Derivatives Open
In order to develop a novel technique for the fabrication of hybrid materials containing polymers and nanocarbons, we examined the surface modification of pristine multi-walled carbon nanotubes (MWCNTs) with benzyl-type polymer side chain …
View article: Simple Process for Sidewall Modification of Multi-Walled Carbon Nanotubes with Polymer Side Chain Radicals Generated by Ultraviolet-Induced C–Cl Bond Dissociation of Polystyrene Derivatives
Simple Process for Sidewall Modification of Multi-Walled Carbon Nanotubes with Polymer Side Chain Radicals Generated by Ultraviolet-Induced C–Cl Bond Dissociation of Polystyrene Derivatives Open
In this work, we investigated a simple one-step process for the formation of chemical bonds between multi-walled carbon nanotubes (MWCNTs) and benzyl-type side chain radicals generated by UV photolysis of polystyrene derivatives containing…
View article: Photometric Characteristics of Aqueous Solutions and Polymer Films Containing Bromothymol Blue/Diphenyliodonium Salts Applied for UV Monitoring
Photometric Characteristics of Aqueous Solutions and Polymer Films Containing Bromothymol Blue/Diphenyliodonium Salts Applied for UV Monitoring Open
We examined the photometric characteristics of ultraviolet light (UV) measurements of aqueous solution and polyvinyl alcohol (PVA) film containing bromothymol blue (BTB) and diphenyliodonium salts (chloride, nitrate and trifluoromethane su…
View article: Firm attachment of carboxylated multi-walled carbon nanotubes onto an amino-functionalized glass surface through ionic interaction
Firm attachment of carboxylated multi-walled carbon nanotubes onto an amino-functionalized glass surface through ionic interaction Open
Carboxylated multi-walled carbon nanotubes (MWCNTs-COOH) were attached to amino-functionalized glass by evaporation of water from an aqueous MWCNT-COOH dispersion. After attachment, MWCNTs-COOH did not detach from the glass despite physica…