Search Results - "SAKAI, TOSHIO"

Colloidal Stability of Emulsifier-free Oil-in-Water Emulsions: Effect of Oil Properties by Takei, Kazuo, Takahashi, Nozomi, Sakai, Toshio

“…This study aims to determine the factors affecting the colloidal stabilization of emulsifier-free (EF) oil-in-water (O/W) emulsions prepared by mixing oil and…”
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Mechanism of Gold Metal Ion Reduction, Nanoparticle Growth and Size Control in Aqueous Amphiphilic Block Copolymer Solutions at Ambient Conditions by Sakai, Toshio, Alexandridis, Paschalis

“…Spontaneous formation and efficient stabilization of gold nanoparticles with an average diameter of 7∼20 nm from hydrogen tetrachloroaureate(III) hydrate…”
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Unimodal sized silica nanocapsules produced through water-in-oil emulsions prepared by sequential irradiation of kilo- and submega-hertz ultrasounds by Nemoto, Takahiro, Sakai, Toshio, Okada, Tomohiko

“…This study investigates the regulation of the size of 100 nm hollow-sphere silica particles using surfactant-free water-in-oil (W/O) emulsion. First, water…”
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Single-Step Synthesis and Stabilization of Metal Nanoparticles in Aqueous Pluronic Block Copolymer Solutions at Ambient Temperature by Sakai, Toshio, Alexandridis, Paschalis

“…A single-step synthesis of gold nanoparticles with an average diameter of ∼10 nm from hydrogen tetrachloroaureate(III) hydrate (HAuCl4·3H2O) has been achieved…”
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Hexadecane-in-water emulsions as thermal-energy storage and heat transfer fluids: Connections between phase-transition temperature and period of hexadecane droplets dispersed in hexadecane-in-water emulsions and characteristics of surfactants by Sakai, Toshio, Nakagawa, Yasuharu, Iijima, Kousuke

“…[Display omitted] Colloidal stability and fluidity of organic phase change material (OPCM)-in-water emulsions (OPCM/W) against temperature change and…”
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Nanopore structure analysis of single wall carbon nanotube xerogels and cryogels by Kamijyou, Yuito, Kukobat, Radovan, Sakai, Toshio, Kaneko, Katsumi

“…We fabricated two types of single wall carbon nanotube (SWCNT) gels prepared by freeze-drying (cryogels) and air-drying (xerogels) from the dispersed SWCNT…”
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Colloidal stabilization of surfactant-free emulsion by control of molecular diffusion among droplets by Sakai, Toshio, Oishi, Taku

“…•Colloidal stability of water-in-oil (W/O) emulsions is enhanced with the addition of electrolyte in water even in the absence of any emulsifiers such as…”
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Preparation of Highly Crystalline TiO2 Nanostructures by Acid-assisted Hydrothermal Treatment of Hexagonal-structured Nanocrystalline Titania/Cetyltrimethyammonium Bromide Nanoskeleton by Dai, Shuxi, Wu, Yanqiang, Sakai, Toshio, Du, Zuliang, Sakai, Hideki, Abe, Masahiko

“…Highly crystalline TiO 2 nanostructures were prepared through a facile inorganic acid-assisted hydrothermal treatment of hexagonal-structured assemblies of…”
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Colloidal Stability of Emulsifier-free Triolein-in-Water Emulsions: Effects of Temperature by Takei, Kazuo, Watanabe, Masaru, Kawasaki, Keita, Sakai, Toshio

“…Herein, we report the colloidal stability of emulsifier-free (EF-) triolein-in-water (TO/W) emulsions prepared by mixing TO and water using a high-powered…”
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Block copolymer-mediated synthesis of silver nanoparticles from silver ions in aqueous media by Sakai, Toshio, Ishihara, Akihiro, Alexandridis, Paschalis

“…[Display omitted] •Silver nanoparticles formed from aqueous silver nitrate solutions above 100 °C.•Reduction of silver ions by poly(ethylene…”
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Ag and Au Monometallic and Bimetallic Colloids:  Morphogenesis in Amphiphilic Block Copolymer Solutions by Sakai, Toshio, Alexandridis, Paschalis

“…We report here a facile synthesis of Ag colloids with various morphologies (e.g., spherical nanoparticles, plates, wires) through autoreduction of silver…”
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Thermally stable near UV-light transparent and conducting SWCNT/glass flexible films by Kukobat, Radovan, Kamijyou, Yuito, Stevic, Dragana, Furuse, Ayumi, Hayashi, Takuya, Sakai, Toshio, Neimark, Alexander V., Kaneko, Katsumi

“…Flexible single wall carbon nanotube (SWCNT) transparent and conducting films (TCFs) are indispensable to a further development of flexible electronics. Here…”
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Isotope effect on water adsorption on hydrophobic carbons of different nanoporosities by Ono, Yuji, Futamura, Ryusuke, Hattori, Yoshiyuki, Utsumi, Shigenori, Sakai, Toshio, Kaneko, Katsumi

“…The adsorption isotherms of H2O and D2O on pitch-based activated carbon fibers (ACFs) of different pore widths from 0.6 to 1.5 nm were measured at 298 K…”
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Different patterns of germination inhibition by carvacrol and thymol in Bacillus subtilis spores by Sakai, Toshio, Sakamoto, Jin J, Asada, Ryoko, Furuta, Masakazu, Tsuchido, Tetsuaki

“…This study aimed to clarify how the phenolic monoterpene carvacrol and its structural isomer thymol both as essential oil components (EOCs) inhibit the…”
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Hydrogen-assisted fabrication of spherical gold nanoparticles through sonochemical reduction of tetrachloride gold(III) ions in water by Sakai, Toshio, Enomoto, Hiroto, Sakai, Hideki, Abe, Masahiko

“…•Gold nanoparticles are sonochemically synthesized in aqueous solutions without additional reducing and capping agents.•Spherical gold nanoparticles are…”
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Charge-transfer mediated nanopore-controlled pyrene derivatives/graphene colloids by Putri, Austina D., Chotimah, Nurul, Ujjain, Sanjeev Kumar, Wang, Shuwen, Futamura, Ryusuke, Vallejos-Burgos, Fernando, Khoerunnisa, Fitri, Morimoto, Masafumi, Wang, Zhipeng, Hattori, Yoshiyuki, Sakai, Toshio, Kaneko, Katsumi

“…Electrically-conductive graphene colloids with tuned nanoporosity are promising materials for numerous applications. As charge-transfer interaction enhances…”
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Water Adsorption Property of Hierarchically Nanoporous Detonation Nanodiamonds by Pina-Salazar, Elda-Zoraida, Urita, Koki, Hayashi, Takuya, Futamura, Ryusuke, Vallejos-Burgos, Fernando, Włoch, Jerzy, Kowalczyk, Piotr, Wiśniewski, Marek, Sakai, Toshio, Moriguchi, Isamu, Terzyk, Artur P, Osawa, Eiji, Kaneko, Katsumi

“…The detonation nanodiamonds form the aggregate having interparticle voids, giving a marked hygroscopic property. As the relationship between pore structure and…”
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Block copolymer-mediated synthesis of gold nanoparticles in aqueous solutions: Segment effect on gold ion reduction, stabilization, and particle morphology by Sakai, Toshio, Horiuchi, Yuya, Alexandridis, Paschalis, Okada, Tomohiko, Mishima, Shozi

“…[Display omitted] ► Synthesis of gold nanoparticles through [AuCl4]− reduction by PEO-containing block copolymer. ► High reduction activity of PEO–PPO–PEO for…”
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Zn/Al complex-SWCNT ink for transparent and conducting homogeneous films by scalable bar coating method by Kukobat, Radovan, Hayashi, Takuya, Matsuda, Takafumi, Sunaga, Motoo, Sakai, Toshio, Futamura, Ryusuke, Kaneko, Katsumi

“…It is shown that the viscosity of SWCNT inks is essential to produce highly homogeneous SWCNT films on the PET substrate with bar coating method. The Zn/Al…”
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Inhibitory Effect of Spice Powders on the Development of Heated and Irradiated Bacillus subtilis Spores as Evaluated by Calorimetry by SAKAI, TOSHIO, TSUCHIDO, TETSUAKI, FURUTA, MASAKAZU

“…Inhibitory effects of the powders of paprika, red pepper, black pepper, sage, oregano and thyme in a solid medium after heat treatment and gamma-irradiation on…”
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