論文 Spherical silica particles coated with lamellar nanocomposites based on a hydrophobic functionalized phyllosilicate Colloid Surf. A,676:132135 2023(Jul.) Author:Tomohiko Okada*, Natsuki Taguchi, Sakura Shimomura
Acceleration of the dehydrogenation of D-glucose to 2-keto-D-gluconate in aqueous amino acid via hydrated stacked clay nanosheets Langmuir (selected as Supplementary Cover),38:6076-6085 2022(May) Author:Katsunori Nakase, Shunta Ichihara, Jumpei Matsumoto, Sangho Koh, Masahiro Mizuno, Tomohiko Okada*
Important roles of water clusters confined in a nanospace as revealed by a synchrotron X-ray diffraction study Langmuir,37:10469-10480 2021(Aug.) Author:Tomohiko Okada,* Kana Izumi, Shogo Kawaguchi, Chikako Moriyoshi, Takuya Fujimura, Ryo Sasai, Makoto Ogawa
Monodisperse Clay Microballs for Tuning the Psuedogaps by Adsorption in Amorphous Photonic Structures ChemPhotoChem,5:32-35 2021 Author:Tomohiko Okada,*, Sho Hosoyamada, Chisato Takada, Chiharu Ohta
Unimodal sized silica nanocapsules produced through water-in-oil emulsions prepared by sequential irradiation of kilo- and submega-hertz ultrasounds RSC Adv.,11:22921-22928 2021 Author:Takahiro Nemoto, Toshio Sakai, Tomohiko Okada*
Hydrated silicate layer formation on mica-type crystals Langmuir,36:4933-4941 2020 Author:Misa Sugiura, Mai Sueyoshi, Ryuichi Seike, Takayoshi Hayashi, Tomohiko Okada*
A useful method for thorough dehydrochlorination of Poly(vinylidene chloride-co-vinyl chloride) using Zinc(II) oxide Polym. Degrad. Stab.,171:109040 2020 Author:Tomohiiko Okada*, Satoru Sutoh, Kotaro Sejima, Hiroki Tomohara, Shozi Mishima
Electronic Interactions between A Quaternary Pyridyl-β-diketonate and Anionic Clay Nanosheets Facilitates Intense Photoluminescence. Photochem. Photobiol. Sci. (selected as Front Cover),19:1280-1288 2020 Author:Tomohiko Okada,* Yoko Miyamoto, Haruka Kurihara, Yoshifumi Mochiduki, Shiho Katsumi, Fuyuki Ito
Functional groups of organochlorosilanes influenced microporous structure in organosiloxane microcapsules synthesized using a water-in-oil emulsion template Bull. Chem. Soc. Jpn.,92(5):912-917 2019 Author:Tomohiko Okada*, Takayuki Aizawa
A Study of Stereoselective Adsorption in Smectites Using Thin-Layer Chromatography Appl. Clay Sci.,70:13-20 2019 Author:Kazuki Tajima, Tomohiko Okada,*
Pore shape-reflecting morphosynthesis of lithium niobium oxide via mixed chloride flux growth in the presence of mesoporous silica. Nanoscale Adv.,1:1726-1730 2019 Author:Minoru Sohmiya, Shinya Umehara, Shinpei Enomoto, Yusuke Ide, Tomohiko Okada, Yoshiyuki Sugahara, Makoto Ogawa
Influence of negative charge distribution and locations of Na+ ions on ionic conductivity of Na-mica Clay Science,23:31-39 2019 Author:Junnosuke Kemi, Tomohiro Yamaguchi, Tomohiko Okada, Seiichi Taruta
Uniform-sized Silica Nanocapsules Produced by Addition of Salts to a W/O Emulsion Template Langmuir,34:9500-9506 2018 Author:Tomohiko Okada,* Takashi Koide
Variation in thickness of a layered silicate on spherical silica particles affected HPLC chiral chromatographic resolution. Appl. Clay Sci.,163:72-80 2018 Author:Tomohiko Okada*, Mutsuki Oguri, Kazuki Tajima, Tomohiko Yamakami, Hisako Sato
Crystal Growth of Layered Silicate Grafted with Organic Groups on Monodisperse Spherical Silica Particles. Clays Clay Miner.,66(2):104-113 2018 Author:Masahiro Yamauchi, Tomohiko Okada*
Effect of particle size and local disorder on specific surface area of layered double hydroxides upon calcination-reconstruction. J. Solid State Chem.,263:60-64 2018 Author:Bo-Kyung Kim, Gyeong-Hyeon Gwak, Tomohiko Okada,* Jae-Min Oh*
Direct Crystallization of Layered Silicates on the Surface of Amorphous Silica Chem. Rec.,18:829-839 2018 Author:Tomohiko Okada*
Photoluminescence by Intercalation of a Fluorescent β-Diketone Dye into a Layered Silicate Langmuir,33:13515-13521 2017 Author:Mutsumi Hirose, Fuyuki Ito, Tetsuya Shimada, Shinsuke Takagi, Ryo Sasai, Tomohiko Okada*
Kinetics of Interlayer Expansion of a Layered Silicate Driven by Caffeine Intercalation in the Water Phase Using Transmission X–ray Diffraction J. Phys. Chem. B,121:6919-6925 2017 Author:Tomohiko Okada*, Takumi Yoshida, Taku Iiyama*
Photoinduced structural changes of cationic azo dyes confined in two dimensional nanospace by two different mechanisms RSC Adv.,7:8077-8081 2017 Author:Tomohiko Okada, Nozomi Nozaki, Jangwon Seo, Ji Eon Kwon, Soo Young Park, Hideo Hashizume, Takayoshi Sasaki, Makoto Ogawa
Effects of fluoride and urea on the crystal growth of a hectorite-like layered silicate on a silica surface Appl. Clay Sci.,132-133:320-325 2016 Author:Tomohiko Okada*, Hanae Kobari, Tetsuji Haeiwa
Application of Hectorite-Coated Silica Gel Particles as a Packing Material for Chromatographic Resolution J. Chromatogr. Sci.,54:1238-1243 2016 Author:Tomohiko Okada,* Aisaku Kumasaki, Kei Shimizu, Akihiko Yamagishi, Hisako Sato
An Inorganic Anionic Polymer Filter Disc: Direct Crystallization of a Layered Silicate Nanosheet on a Glass Fiber Filter RSC Adv.,6:26130-26136 2016 Author:Tomohiko Okada*, Kei Shimizu, Tomohiko Yamakami
In situ crystallization of Al-containing silicate nanosheets on monodisperse amorphous silica microspheres Langmuir,31:13842-13849 2015 Author:Tomohiko Okada*, Mai Sueyoshi, Hikari M. Minamisawa
Crystal growth of a hectorite-like layered silicate on monodisperse spherical silica particles with different diameters Clay Sci.,19:45-51 2015 Author:Tomohiko Okada*, Asuka Suzuki
Crystal architectures of a layered silicate on monodisperse spherical silica particles cause the topochemical expansion of the core-shell particles Microporous Mesoporous Mater.,215:168-174 2015 Author:Tomohiko Okada*, Asuka Suzuki, Shiho Yoshido, Hikari, M. Minamisawa
Preparation of Porous Thin-film Polymethylsiloxane Microparticles in a W/O Emulsion System. Polym. J.,47:449-455 2015 Author:Shozi Mishima, Tomohiko Okada, Toshio Sakai, Ryotaro Kiyono, Tetsuji Haeiwa
Chemically Stable Magnetic Nanoparticles for Metal Adsorption and Solid Acid Catalysis in Aqueous Media. J. Mater. Chem. A,2(16):5751-5758 2014 Author:Tomohiko Okada*, Yohei Takeda, Nodoka Watanabe, Tetsuji Haeiwa, Toshio Sakai, Shozi Mishima
Encapsulation of a Polyoxometalate into an Organosilica Microcapsule for Highly Active Solid Acid Catalysis ACS Catal.,4:73-78 2014 Author:Tomohiko Okada*, Kazuyoshi Miyamoto, Toshio Sakai, Shozi Mishima
Designed Nanostructures of Clay for Controlled Adsorption of Organic Compounds J. Nanosci. Nanotech.,14:2121-2134 2014 Author:Tomohiko Okada, Yoko Seki, Makoto Ogawa
Magnetic and electronic properties of bimagnetic materials comprising cobalt particles within hollow silica decorated with magnetite nanoparticles. J. Appl. Phys.,114(12):124304 2013 Author:Tomohiko Okada*, Y. González-Alfaro, A. Espinosa, Nodoka Watanabe, Tetsuji Haeiwa, Makoto Sonehara, Shozi Mishima, Toshiro Sato, A. Muñoz-Noval, Pilar Aranda, M. Garcia-Hernández, Eduardo Ruiz-Hitzky*
Layered Clay Aerogels by A Freeze-Drying Process for A Platinum-Supported Catalyst. Ind. Eng. Chem. Res.,52:12018-12024 2013 Author:Tomohiko Okada*, Taku Kato, Takeharu Yamaguchi, Toshio Sakai, Shozi Mishima
Titania/CnTAB Nanoskeleton as adsorbent and photocatalyst for removal of alkylphenols dissolved in water J. Hazard. Mater.,248-249:487-495 2013 Author:Sakai, T., Da Loves, A., Okada, T., Mishima S.
Block copolymer-mediated synthesis of gold nanoparticles in aqueous solutions: Segment effect on gold ion reduction, stabilization and particle morphology J. Colloid Interface Sci.,394:124-131 2013 Author:Sakai, T., Horiuchi, Y., Alexandridis, P., Okada, T., Mishima S.
Swellable Microsphere of a Layered Silicate Produced by Using Monodispersed Silica Particles J. Phys. Chem. C,116:21864-21869 2012 Author:Tomohiko Okada*, Shiho Yoshido, Hikari Miura, Tomohiko Yamakami, Toshio Sakai, Shozi Mishima
Organic-inorganic hybrids based on ultrathin oxide layers -Designed nanostructures for molecular recognition. Chem. Asian J.,,7:1980-1992 2012 Author:Tomohiko Okada, Yusuke Ide, Makoto Ogawa
Characteristics and mechanism of low temperature dehydrochlorination of poly(vinyl chloride) in the presence of zinc(II) oxide Polym. Degrad. Stab.,97:584-591 2012 Author:Takashi Kosuda, Tomohiko Okada, Shogo Nozaka, Yukitaka Matsuzawa, Takuya Shimizu, Senji Hamanaka, Shozi Mishima
Multi-shaped gold nanoparticles synthesized using an amino-terminated poly(ethylene oxide)–poly(propylene oxide) block copolymer in aqueous solutions Chem. Lett.,40:501-502 2011 Author:Sakai, T. Ishigaki, M., Okada, T., Mishima, S.
Vesicle formation in mixture of a PEO-PPO-PEO block copolymer (Pluronic P123) and a nonionic surfactant (Span 65) in water. Colloid Surf. A,389:82-89 2011 Author:Sakai, T. Kurosawa, H., Okada, T., Mishima, S.
Organo-smectite adsorbents; Designed nanostructures for smart adsorbents Clay Sci.,15:103-110 2011 Author:Tomohiko Okada, Makoto Ogawa
Fabrication of acid-tolerant magnetic Co@SiO2 core-shell particles with dense silica shell Chem. Lett.,40:106-107 2011 Author:Tomohiko Okada, Nodoka Watanabe, Toshio Sakai, Tetsuji Haeiwa, Shozi Mishima
Adsorption of 4-nonylphenol on 1,1’-dioctyl-4,4’-bipyridinium-smectite intercalation compounds from aqueous solution Clay Sci.,14:191-196 2010 Author:Tomohiko Okada, Makoto Ogawa
A facile route of gold nanoparticle synthesis and surface modification using amino-terminated poly(ethylene oxide)-poly(propylene oxide) block copolymers J. Nanosci. Nanotech.,10:919-926 2010 Author:Sakai, T. Ishigaki, M., Okada, T., Mishima, S.
Nanospace engineering inthe interlayer space of hectorite-like layered silicates with varied layer charge density for the adsorbents design J. Phys. Chem. C,114:539-545 2010 Author:Tomohiko Okada, Takayuki Matsutomo, Makoto Ogawa
チタニア/界面活性剤ナノスケルトンによる水中溶存アルキルフェノールの吸着 J. Flux Growth,4:48-53 2009 Author:酒井俊郎, Albar Da Loves, 岡田友彦, 三島彰司, 柴田裕史, 遠藤健司, 酒井秀樹, 阿部正彦
Preparation of quaternary diammonium-montmorillonites and their vapor adsorption properties Microporous Mesoporous Mater.,129:30-35 2009 Author:Yoko Seki, Tomohiko Okada, Makoto Ogawa
Preparation of iron containing hectorite-like swelling silicate Bull. Chem. Soc. Jpn.,82:408-412 2009 Author:Makoto Ogawa, Takayuki Matsutomo, Tomohiko Okada
One-pot Synthesis of Inorganic-Organic Hollow Microsphere Solid-Acid Catalysts in a W/O Microemulsion System Chem. Lett.,39:32-33 2009 Author:Tomohiko Okada, Shozi Mishima, Shingo Yoshihara.
Adsorption of tetrakis(p-sulfonatophenyl)porphyrin on kaolinite. J. Porous Mater.,16(6):623-629 2009 Author:Yusuke Tanaka, Tomohiko Okada, Makoto Ogawa
Luminescence quenching of tris(2,2’-bipyridine)ruthenium(II) in the interlayer space of saponite by sulfur dioxide Clay Sci.,14:43-48 2008 Author:Tomohiko Okada, Takahiro Konno, Makoto Ogawa
Preparation of hectorite-like swelling silicate with controlled layer charge density. J. Ceram .Soc. Jpn.,116:1309-1313 2008 Author:Makoto Ogawa, Takayuki Matsutomo, Tomohiko Okada
The effect of the molecular structure of a cationic azo dye on the photoinduced intercalation of phenol in a montmorillonite Appl. Clay Sci.,40:187-192 2008 Author:Tomohiko Okada, Hideki Sakai, Makoto Ogawa
Adsorption of europium ion on smectites and fluor-tetrasilicic mica Clays Clay Miner.,55:348-353 2007 Author:Tomohiko Okada, Yusuke Ehara, Makoto Ogawa
Adsorption and possible luminescence detection of 4-nonylphenol by Eu3+-smectites Chem. Lett.,35:638-639 2006 Author:Tomohiko Okada, Yusuke Ehara, Makoto Ogawa
Preparation and properties of trans-2-butene-1,4-bis(triphenylphosphonium)-saponite J. Porous Mater.,13:157-161 2006 Author:Yusuke Tanaka, Tomohiko Okada, Makoto Ogawa
Photoregulation of adsorption behavior of phenol for azobenzene-clay intercalation compounds J. Mater. Chem.,15:987-992 2005 Author:Tomohiko Okada, Yusuke Watanabe, Makoto Ogawa
Tris(2,2’-bipyridine)ruthenium(II)-clays as adsorbents for phenol and chlorinated phenols from aqueous solution Appl. Clay Sci.,29:45-53 2005 Author:Tomohiko Okada, Takao Morita, Makoto Ogawa
Adsorption behavior of phenol for mono, bis and tris(2,2’-bipyridine)nickel(II)- and tris(ethylenediamine)nickel(II)-saponite intercalation compounds from aqueous solution Clay Sci.,12:277-284 2004 Author:Tomohiko Okada, Takao Morita, Makoto Ogawa
Photocontrol of the adsorption behavior of phenol for azobenzene-montmorillonite intercalation compound Chem. Commun.,:320-321 2004 Author:Tomohiko Okada, Yusuke Watanabe, Makoto Ogawa
p-Phenylenediammonium-smectites as adsorbents with colorimetric detection ability for phenols in water Bull. Chem. Soc. Jpn.,77:1165-1170 2004 Author:Tomohiko Okada, Makoto Ogawa
1,1’-Dimethyl-4,4-bipyridinium-smectites as a novel adsorbent of phenols from water through charge-transfer interactions Chem. Commun.,:1378-1379 2003 Author:Tomohiko Okada, Makoto Ogawa
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