Research papers |
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Authors: Ayano Taniguchi, Yusuke Hiraguri, Reo Minakuchi, Honoka Kajimoto, Asuka Shima, OHTANI Masataka, Kazuya Kobiro
Title: Solvothermal Synthesis of Porous FeOx–CeO2-y Composite Spheres with High Mixing Homogeneity
Journal: The Journal of Supercritical Fluids, Elsevier
Year: 2024
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Authors: Meiliefiana, Tsuzumi Nakayashiki, Kazuya Kobiro
Title: Nitrilethermal synthesis of CeO2-based composite anoparticles as Ru and Pd catalyst supports for CO2 methanation and CH4 oxidation
Journal: The Journal of Supercritical Fluids, Vol. 201, p. 106008, Elsevier
Year: 2023
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Authors: Kazuya Kobiro, Hinako Kimura, Saki Hirose, Makoto Kinjo, Hiroshi Furuta
Title: Solvothermal synthesis of hair-like carbon nanotubes onto sub-micron-sized spherical metal oxide catalyst cores
Journal: RSC Advances, Vol. 13, pp. 13809-13818, Royal Society of Chemistry
Year: 2023
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Authors: Daisuke Kozaki, Kazumichi Yanagisawa, Shuji Oishi, Yoshinori Nishiwaki, Hibiki Komatsu, Kazuya Kobiro, Akitaka Ito, Ayano Taniguchi, Takuya Matsuzaki
Title: Influence of Cr2O3 Concentration on the Green Color of Flux Synthesized Emeralds Using the CIE1976 Color System
Journal: Cryst. Res. Technol., p. 2300052, Wiley
Year: 2023
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Authors: Ayano Taniguchi, Rei Miyata, OHTANI Masataka, Kazuya Kobiro
Title: Insights into the solvothermal reaction for synthesizing tin(iv) oxide porous spheres
Journal: RSC Advances, Vol. 12, pp. 22902-22910, Royal Society of Chemistry
Year: 2022
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Authors: Meiliefiana, Tsuzumi Nakayashiki, Emi Yamamoto, Kahoko Hayashi, OHTANI Masataka, Kazuya Kobiro
Title: One‑Step Solvothermal Synthesis of Ni Nanoparticle Catalysts Embedded in ZrO2 Porous Spheres to Suppress Carbon Deposition in Low‑Temperature Dry Reforming of Methane
Journal: Nanoscale Research Letters, Vol. 17, No. 47, pp. 1-12
Year: 2022
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Authors: Yusuke Mizuta, Ryuichi Sugimoto, Hiromu Okada, Chao Zhao, Kazuya Kobiro, NISHIWAKI Nagatoshi
Title: Graft Polymerization of Methyl Methacrylate on the Surface of Poly(ethylene-co-tetrafluoroethylene) using Benzoyl Peroxide as Initiator
Journal: Journal of Applied Polymer Science, pp. e52415 -8 pages
Year: 2022
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Authors: Yusuke Mizuta, Hiromu Okada, Chao Zhao, Ryuichi Sugimoto, NISHIWAKI Nagatoshi, Kazuya Kobiro
Title: Surface Functionalization of Ethylene–Tetrafluoroethylene Copolymer Film with Poly(Methyl Methacrylate) via Chemical Radical Polymerization
Journal: Polymer, Vol. 226, pp. 123826-pp 6
Year: 2021
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Authors: Ayano Taniguchi, Yoshitaka Kumabe, Kai Kan, Masataka Ohtani, Kazuya Kobiro
Title: Ce3+-enriched spherical porous ceria with an enhanced oxygen storage capacity
Journal: RSC Advances, Vol. 11, pp. 5609-5617, Royal Society of Chemistry
Year: 2021
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Authors: KAN Kai, Emi Yamamoto, Masataka Ohtani, Kazuya Kobiro
Title: Solvothermal Synthesis of Monodisperse Porous Zirconia Spheres with Large Surface Area
Journal: Eur. J. Inorg. Chem., pp. 4435-4441, Wiley-VCH GmbH
Year: 2020
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Authors: Ze-Xing Cai, Zhong-Li Wang, Yanjie Xia, Hyunsoo Lim, Wei Zhou, Ayano Taniguchi, Masataka Ohtani, Kazuya Kobiro, Takeshi Fujita, Yusuke Yamauchi
Title: Tailored Catalytic Nanoframes from Metal–Organic Frameworks by Anisotropic Surface Modification and Etching
Journal: Angew. Chem. Int. Ed., Wiley-VCH
Year: 2020
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Authors: Yoshitaka Kumabe, Hitomi Taga, KAN Kai, Masataka Ohtani, Kazuya Kobiro
Title: Porous niobia spheres with large surface area:
alcothermal synthesis and controlling of their
composition and phase transition behaviour
Journal: RSC Advances, Vol. 10, pp. 14630-14636, The Royal Society of Chemistry
Year: 2020
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Authors: KAN Kai, Daiki Morito, Yuri Matsumoto, Kanami Masuda, Masataka Ohtani, Kazuya Kobiro
Title: Nanoscale Effect of Zirconia Filler Surface on Mechanical Tensile Strength of Polymer Composites
Journal: Nanoscale Research Letters, Vol. 15, No. 51, pp. 1-11, Springer
Year: 2020
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Authors: Hien Thi Thu Nguyen, Yoshitaka Kumabe, Shigenori Ueda, Kai Kan, Masataka Ohtani, Kazuya Kobiro
Title: Highly Durable Ru Catalysts Supported on CeO2 Nanocomposites for CO2 Methanation
Journal: Appl. Cat., A., Vol. 577, pp. 35-43, Elsevier
Year: 2019
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Authors: Yuri Tanaka, Hiroyuki Usui, Yasuhiro Domi, Masataka Ohtani, Kazuya Kobiro, Hiroki Sakaguchi
Title: Mesoporous Spherical Aggregates Consisted of Nb-Doped Anatase TiO2 Nanoparticles for Li and Na Storage Materials
Journal: ACS Applied Energy Materials, ACS Publications
Year: 2018
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Authors: Nguyen Thi Thu Hien, Masataka Ohtani, Kazuya Kobiro
Title: One-pot synthesis of SiO2‒CeO2 nanoparticle composites with enhanced heat tolerance
Journal: Microporous and Mesoporous Materials, Vol. 273, pp. 35-40, Elsevier
Year: 2018
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Authors: Duriyasart Farkfun, Akito Irizawa, Kahoko Hayashi, Masataka Ohtani, Kazuya Kobiro
Title: Sintering‐Resistant Metal Catalysts Supported on Concave‐Convex Surface of TiO₂ Nanoparticle Assemblies
Journal: ChemCatChem, Vol. 10, No. 16, pp. 3392-3396, Wiley-VCH
Year: 2018
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Authors: Yoshitaka Kumabe, Masataka Ohtani, Kazuya Kobiro
Title: Rapid one-pot synthesis of ultrafine titania nanocrystals and their conversion into transparent mesoporous thin layer films
Journal: Microporous and Mesoporous Materials, Vol. 261, pp. 207-213, Elsevier
Year: 2017
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Authors: Masataka Ohtani, Tomoyuki Muraoka, Yuki Okimoto, Kazuya Kobiro
Title: Rapid One-Pot Solvothermal Batch Synthesis of Porous Nanocrystal Assemblies Composed of Multiple Transition-Metal Elements
Journal: Inorganic Chemistry, Vol. 56, No. 19, pp. 11546-11551, American Chemical Societ
Year: 2017
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Authors: Duriyasart Farkfun, Masataka Ohtani, Jun-Seok Oh, Akimitsu Hatta, Kazuya Kobiro
Title: A new approach to surface activation of porous nanomaterials using non-thermal helium atmospheric pressure plasma jet treatment
Journal: Chem. Commun., Vol. 53, pp. 6704-6707, Royal Society of Chemistry
Year: 2017
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Authors: Ellawala Kankanamge Chandima Pradeep, Masataka Ohtani, Kazuya Kobiro, Toshiyuki Kawaharamura
Title: Single-step simple solvothermal synthetic approach to ultra-fine MgO nanocrystals using high-temperature and high-pressure acetonitrile
Journal: Chem. Lett., Vol. 46, pp. 940-943
Year: 2017
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Authors: Ellawala Kankanamge Chandima Pradeep, Masataka Ohtani, Toshiyuki Kawaharamura, Kazuya Kobiro
Title: Single-step Simple Solvothermal Synthetic Approach to Ultra-fine MgO Nanocrystals using High-temperature and High-pressure Acetonitrile
Journal: Chem. Lett., Vol. 46, No. 7, pp. 940-943, The Chemical Society of Japan
Year: 2017
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Authors: Duriyasart Farkfun, Masataka Ohtani, Jun-Seok Oh, Akimitsu Hatta, Kazuya Kobiro
Title: A new approach to surface activation of porous nanomaterials using non-thermal helium atmospheric pressure plasma jet treatment
Journal: Chem. Commun., Vol. 53, pp. 6704-6707, Royal Society of Chemistry
Year: 2017
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Authors: Nguyen Thi Thu Hien, Teppei Habu, Masataka Ohtani, Kazuya Kobiro
Title: One-step Direct Synthesis of SiO2-TiO2 Composite Nanoparticle Assemblies with a Hollow Spherical Morphology
Journal: Eur. J. Inorg. Chem. , pp. 3017-3023
Year: 2017
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Authors: Masataka OHTANI, Kazutaka Takase, Pengyu WANG, Kouki HIGASHI, Kimiyoshi UENO, Nobuhiro YASUDA, Kunihisa SUGIMOTO, Mamoru FURUTA, Kazuya KOBIRO
Title: Water-triggered macroscopic structural transformation of a metal-organic framework
Journal: CrystEngComm, Vol. 18, pp. 1866-1870, Royal Society of Chemistry
Year: 2016
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Authors: Duriyasart Farkfun, Hiromu Hamauzu, OHTANI Masataka, KOBIRO Kazuya
Title: Three-Dimensionally Branched Titanium Dioxide with Cheek-Brush Morphology: Synthesis and its Application to Polymer Composites
Journal: ChemistrySelect, Vol. 1, pp. 5121-5128
Year: 2016
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Authors: Ellawala Kankanamge Chandima Pradeep, OHTANI Masataka, KOBIRO Kazuya
Title: A Simple Synthetic Approach to Al2O3–TiO2 and ZnO–
TiO2 Mesoporous Hollow Composite Assemblies
Consisting of Homogeneously Mixed Primary Particles at
the Nano Level
Journal: Eur. J. Inorg. Chem. , pp. 5621-5627, Wiley-VCH Verlag GmbH & Co. KGaA
Year: 2015
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Authors: Ellawala Kankanamge Chandima Pradeep, Teppei Habu, Hiroko Tohriyama, OHTANI Masataka, KOBIRO Kazuya
Title: Ultra-simple synthetic approach to the fabrication of CeO2-ZrO2 mixed nanoparticles into homogeneous, domain, and core-shell structures in mesoporous spherical morphologies using supercritical alcohols
Journal: J. Supercrit. Fluids, Vol. 97, pp. 217-223, Elsevier
Year: 2015
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Authors: OHTANI Masataka, Yuki Okimoto, Yuya Ohishi, Wang Pengyu, KOBIRO Kazuya
Title: Insight into alcohol reduction by saccharides and their homologues in supercritical water via aldehyde-mediated radical formation
Journal: J. Supercritical Fluids, Elsevier
Year: 2015
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Authors: Wang Pengyu, Tohriyama Hiroko , Yokoyama Kazuya, OHTANI Masataka, ASAHARAHaruyasu, KONISHI Tomoya, NISHIWAKI Nagatoshi, SHIMODA Masahiko, YAMASHITA Yoshiyuki, YOSHIKAWA Hideki, KOBIRO Kazuya
Title: Smart Decoration of Mesoporous TiO2 Nanospheres with Noble Metal Alloy Nanoparticles into Core–Shell, Yolk–Core–Shell, and Surface-Dispersion Morphologies
Journal: European Journal of Inorganic Chemistry, Vol. 2014, pp. 4254-4257, Wiley
Year: 2014
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Authors: Wang Pengyu, KOBIRO Kazuya
Title: Synthetic versatility of nanoparticles: A new, rapid, one-pot, single-step synthetic approach to spherical mesoporous (metal) oxide nanoparticles using supercritical alcohols
Journal: Pure and Applied Chemistry, Vol. 86, No. 5, pp. 785-800
Year: 2014
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Authors: Le Thi Song, ASAHARAHaruyasu, KOBIRO Kazuya, SUGIMOTORyuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Synthesis of 2-Aryl-5-nitropyridines by Three Component Ring Transformation of 3,5-Dinitro-2-pyridone
Journal: Asian Journal of Organic Chemistry , Vol. 3, No. 3, pp. 297-302, Wiley
Year: 2014
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Authors: NISHIWAKI Nagatoshi, HIRAO Shotaro, SAWAYAMA Jun, ASAHARAHaruyasu, SUGIMOTORyuichi, KOBIRO Kazuya, SAIGO Kazuhiko
Title: Synthesis of Vicinally Functionalized 1,4-Dihydropyridines and Diazabicycles via a Pseudo-Intramolecular Process
Journal: Tetrahedron, Vol. 70, pp. 402-408
Year: 2014
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Authors: ASAHARAHaruyasu, Yuki Kuribayashi, Wang Pengyu, KOBIRO Kazuya, NISHIWAKI Nagatoshi
Title: An Effect of Microwave Irradiation on Pd/SiC Catalyst for Prolonging the Catalytic Life
Journal: Current Microwave Chemistry, Vol. 1, pp. 142-147
Year: 2014
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Authors: HOU Liyuan, Wang Pengyu, KONG Fantao, PARKHyun-Sun, KOBIRO Kazuya, OHAMA Takeshi
Title: Mesoporous TiO2 nanoparticles: a new material for biolistic bombardment
Journal: Phycol. Res, Vol. 61, pp. 58-60
Year: 2013
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Authors: HOJO Masashi, OHTA Sho, AYABE Keita, OKAMURA Kei, KOBIRO Kazuya, CHEN Zhidong
Title: Coordination ability of alkali metal or alkaline earth metal ions with aromatic dicarboxylate, sulfonate, or disulfonate ions in acetonitrile
Journal: J. MOl. Liq., Vol. 177, pp. 145-155
Year: 2013
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Authors: Wang Pengyu, Hikaru Takigawa, Kimiyoshi Ueno, Kobiro Kazuya
Title: Versatility of One-pot, Single-step Synthetic Approach for Spherical Porous (Metal) Oxide Nanoparticles Using Supercritical Alcohols
Journal: J. Supercrit. Fluids, Vol. 78, pp. 124-131
Year: 2013
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Authors: Wang Pengyu, Kazuya Yokoyama, Tomoya Konishi, Nagatoshi Nishiwaki, Kazuya Kobiro
Title: Ultimately Simple One-pot Single-step Synthesis of Rare Earth Doped Spherical Mesoporous Metal Oxide Nanospheres with Upconversion Emission Ability in Supercritical Methanol
Journal: J. Supercrit. Fluids, Vol. 80, pp. 71-77
Year: 2013
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Authors: CHEN Xin, KOBIRO Kazuya, ASAHARAHaruyasu, Kakiuchi Kiyomi, SUGIMOTORyuichi, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Reactive 2-Quinolones Dearomatized by Steric Repulsion between 1-Methyl and 8-Substited Groups
Journal: Tetrahedron, Vol. 69, No. 23, pp. 4624-4630
Year: 2013
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Authors: KOBIRO Kazuya, Kana Sumoto, Yuki Okimoto, Wang Pengyu
Title: Saccharides as New Hydrogen Sources for One-pot and Single-step Reduction of Alcohols and Catalytic Hydrogenation of Olefins in Supercritical Water
Journal: J. Supercrit. Fluids, Vol. 77, pp. 63-69, Elsevier
Year: 2013
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Authors: NISHIWAKI Nagatoshi, SUGIMOTORyuichi, SAIGO Kazuhiko, KOBIRO Kazuya
Title: Mechanistic Aspect of Ring Transformations in the Reaction of 5-Nitro-4-pyrimidinone with Acetophenone Derivatives and Cycloalkanones Depending on the Electron Density / Ring Size of the Ketone
Journal: Tetrahedron Letters, Vol. 54, No. 8, pp. 956-959
Year: 2013
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Authors: Jacob Schneider, Hongfei Jia, KOBIRO Kazuya, Diane E. Cabelli, James T. Muckerman
Title: Nickel(II) macrocycles: highly efficient electrocatalysts for the selective reduction of CO2 to CO
Journal: Energy Environ. Sci., Vol. 5, pp. 9502-9510, RSC Publishing
Year: 2012
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Authors: Wang Pengyu, KOBIRO Kazuya
Title: Ultimately Simple One-Pot Synthesis of Spherical Mesoporous TiO2 Nanoparticles in Supercritical Methanol
Journal: Chem. Lett., Vol. 41, pp. 264-266
Year: 2012
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Authors: CHEN Xin, Kana Sumoto, Tetuya Yamagami, Kazuya Yokoyama, Wang Pengyu, HIRAO Shotaro, NISHIWAKI Nagatoshi, KOBIRO Kazuya
Title: One-step and Non-catalytic Intramolecular Redox Reactions of Conjugated All E-Dienals to Non-conjugated Z-Enoic Acids in Subcritical Water
Journal: The Journal of Supercritical Fluids, Vol. 62, pp. 178-183
Year: 2012
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Authors: NISHIWAKI Nagatoshi, KOBIRO Kazuya, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, ISE Yumiko, NISHIZAWA Maho, ARIGA Masahiro
Title: One-Step Synthesis of Differently Bis-Functionalized Isoxazoles by Cycloaddition of Carbamoylnitrile Oxide with β-Keto Esters
Journal: Organic & Biomolecular Chemistry, Vol. 10, pp. 1987-1991
Year: 2012
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Authors: HIRAO Shotaro, KOBIRO Kazuya, SAWAYAMA Jun, SAIGO Kazuhiko, NISHIWAKI Nagatoshi
Title: Ring Construction via Pseudo-Intramolecular Hydrazonation Using Bifunctional δ-Keto Nitrile
Journal: Tetrahedron Letters, Vol. 53, No. 1, pp. 82-85
Year: 2012
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Authors: Wang Pengyu, KOBIRO Kazuya
Title: Subcritical Water Assisted Clean Cross-Aldol Reactions
Journal: J. Chem. Eng. Jpn., Vol. 44, No. 8, pp. 577-582
Year: 2011
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Authors: Taishi Wada, Masumi Yamashita, Xin Zheng, Xiaohong Hou, Kazuya Kobiro
Title: Heteroassociation of Anions with Acidic Functionalities in Acetonitrile
Journal: Bulletin of the Chemical Society Japan
Year: 2011
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Authors: Wang Pengyu, KOBIRO Kazuya
Title: Simple, non-catalytic permethylation of catechol derivatives in subcritical and supercritical water
Journal: J. Supercrit. Fluids, Vol. 58, pp. 360-364, Elsevier
Year: 2011
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Authors: NISHIWAKI Nagatoshi, KOBIRO Kazuya, SAWAYAMA Jun, HIRAO Shotaro, SAIGO Kazuhiko, ISE Yumiko, OKAJIMA Yoshikazu, ARIGA Masahiro
Title: Inverse Electron-Demand 1,3-Dipolar Cycloaddition of Nitrile Oxide with Common Nitriles Leading to 3-Functionalized 1,2,4-Oxadiazoles
Journal: Organic & Biomolecular Chemistry, Vol. 9, pp. 6750-6754
Year: 2011
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Authors: NISHIWAKI Nagatoshi, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, KOBIRO Kazuya
Title: Bicyclization Involving Pseudo-Intramolecular Imination with Diamines
Journal: Chemical Communications, Vol. 47, pp. 4938-4940
Year: 2011
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Authors: NISHIWAKI Nagatoshi, KOBIRO Kazuya, HIRAO Shotaro, SAWAYAMA Jun, SAIGO Kazuhiko, Yoshikazu Okajima, Toshiharu Uehara, Asaka Maki, Masahiro Ariga
Title: An Anomalous Hydration/Dehydration Sequence for the Mild Generation of a Nitrile Oxide
Journal: Organic & Biomolecular Chemistry, Vol. 9, pp. 2832-2839
Year: 2011
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Authors: Pengyu Wang, Xuetang Shi, Koichi Kataoka, Yasuhide Maeda, Kazuya Kobiro
Title: Non-catalytic Oppenauer Oxidation of Alcohols in Supercritical Water
Journal: The Journal of Supercritical Fluids, Vol. 52, pp. 222-227
Year: 2010
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Authors: Nagatoshi Nishiwaki, Kazuya Kobiro
Title: One-Step Construction of 6-Aza-2-thiabicyclo[3.3.1]nona-3,7-diene Framework
Journal: Heterocycles, Vol. 81, pp. 2139-2142
Year: 2010
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Authors: Kazuya Kobiro, Masahiko Matsura, Hiroyuki Kojima, Koichi Nakahara
Title: The first observation of radical species in subcritical water
Journal: Tetrahedron, Vol. 65, pp. 807-810
Year: 2009
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Authors: Xiaohong Hou, Taishi Wada, Sayaka Gion, Kazuya Kobiro
Title: A Strategy of Visible Anion Recognition by Simple Polycyclic Aromatic Acid
Journal: Chem. Lett., Vol. 37, pp. 274-275
Year: 2008
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Authors: Pengyu Wang, Hiroyuki Kojima, Kazuya Kobiro, Koichi Nakahara, Toshihiko Arita, Okitsugu Kajimoto
Title: Reaction Behavior of Secondary Alcohols in Supercritical Water
Journal: Bulletin of the Chemical Society of Japan, Vol. 80, No. 9, pp. 1828-1832
Year: 2007
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Authors: Xiaohong Hou, Kazuya Kobiro
Title: 4-(N,N-Dimethylamino)benzoic Acid as A New Class of Simple Chromogenic and Fluorogenic Anion Host Exhibiting High Selectivity to HPO42- and SO42-
Journal: Chem. Lett., Vol. 35, pp. 116-117
Year: 2006
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Authors: Xiaohong Hou, Kazuya Kobiro
Title: Versatility of an Intermolecularly Hydrogenbonded 4-(N,N-Dimethylamino)benzoate Group as A Signaling Subunit for Anion Recognition
Journal: Tetrahedron, Vol. 61, pp. 5866-5875
Year: 2005
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Authors: Kazuya Kobiro, Yoshihisa Inoue
Title: A New Chiral Probe for Sulfate Anion: UV, CD, Fluorescence, and NMR Spectral Studies of 1:1 and 2:1 Complex Formation and Structure of Chiral Guanidinium-p-Dimethylaminobenzote
Journal: J. Am. Chem. Soc., Vol. 125, pp. 421-427
Year: 2003
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