Original Articles

2023年度

Oka, M.; Kozako, R.; Teranishi, Y.; Yamada, Y.; Miyake, K.; Fujimura, T.; Sasai, R.; Ikeue, T.; Iida, H.
“Chiral Supramolecular Organogel Constructed Using Riboflavin and Melamine: Its Application in Photo-Catalyzed Colorimetric Chiral Sensing and Enantioselective Adsorption”
Chem. Eur. J. 2023, e202303353. (https://doi.org/10.1002/chem.202303353)


Yusnjvanti, F.; Hara, T.; Makishima, K.; Kurniawan, E.; Fujimura, T.; Sasai, R.; Moriyoshi, C.; Kawaguchi, S.; Permana, Y.; Ichikuni, N.
“Creation of a Highly Active Small Cu-Based Catalyst Derived from Copper Aluminium Layered Double Hydroxide Supported on α-Al2O3 for Acceptor less Alcohol Dehydrogenation”
Chem. Asian J. 2023, e202300727. (https://doi.org/10.1002/asia.202300727)

眞鍋奈央; 鈴木絢子; 藤村卓也; 北川裕之
“放電プラズマ焼結法を用いた短時間プロセスによるSrAl2O4およびCaAl2O4系長残光蛍光体の作製(Short Process for Preparing Long-Lasting SrAl2O4- and CaAl2O4-based Phosphors by Spark Plasma Sintering)”
Jpn. Soc. Powder Powder Metallurgy2023, 70, 392-397.


2022年度

Sasai, R.; Fujimura, T.; Uesugi, R.; Aketo, T.; Komatsu, K.
“Eco-friendly recovery process of lithium from reduction roasting residue powder based on hydrothermal extraction”
J. Mater. Cycles Waste Manag. 2023, 25, 389-395.

Sasai, R.; Kurishima, K.; Fujimura, T.
“Unique Decolorization of Rhodamine Dye/Dodecyltrimethylammonium/α-Zirconium Phosphate Hybrid Solid in o-Xylene”
Chem. Lett. 2022,51, 1154-1156.

Hara, T.; Habe, M.; Nakanishi, H.; Fujimura, T.; Sasai, R.; Moriyoshi, C.; Kawaguchi, S.; Ichikami, N.; Shimazu, S.
“Specific Lift-Up Behaviour of Acetate-Intercalated Layered Yttrium Hydroxide Interlayer in Water: Application for Heterogeneous Brønsted Base Catalysts toward Knoevenagel Reactions”
Catal. Sci. Technol. 2022, 12, 2061-2070. (https://doi.org/10.1039/D1CY02328D) プレスリリース

プレス発表 (https://www.shimane-u.ac.jp/docs/2022032400021/)

Sasai, R.; Fujimura, T.; Sato, H.; Nii, E.; Sugata, M.; Nakayashiki, Y.; Hoashi, H.; Moriyoshi, C.; Oishi, E.; Fujii, Y.; Kawaguchi, S.; Tanaka, H.
“Origin of Selective Nitrate Removal by Ni2+-Al3+ Layered Double Hydroxides in Aqueous Media and Its Application Potential in Seawater Purification”
Bull. Chem. Soc. Jpn. 2022, 95, 802-812. (https://doi.org/10.1246/bcsj.20220032) Selected Paper,プレスリリース

Sasai, R.; Aoyama, Y.; Fujimura, T.
“Ultra-Sensitive Detection of Pyridine in Water Using Zinc Porphyrin Incorporated in a Transparent Hydrophobic Film”
Sci. Rep. 2022, 12,5815. (https://doi.org/10.1038/s41598-022-09927-x)

2021年度

Okada, T.; Izumi, K.; Kawaguchi, S.; Moriyoshi, C.; Fujimura, T.; Sasai, R.; Ogawa, M.

"Important roles of water clusters confined in a nanospace as revealed by a synchrotron X-ray diffraction study"
Langmuir,2021, 37, 10469-10480.

プレスリリース: https://www.shimane-u.ac.jp/docs/2021083000020/


Sasai, R.; Yamamoto, S.; Naito, A.
"Photoluminescence Gas Sensing by Fluorescein-Dye Anions/1-Butanesulfonate/Layered Double Hydroxide Hybrid Materials under Humid Environment Conditions."
Nanomaterials, 2021, 11, 914 (8 pages).(https://doi.org/10.3390/nano114914)

2020年度

Sasai, Ryo; Fujimura, Takuya; Sano, Takuya
“Direct Recovery of Metallic Tellurium from Spent Bi-Te Intermetallic Alloy”
J. Ceram. Soc. Jpn., 2021, 129(2), 118-121.

Bohác, P.; Sasai, R.; Soontornchaiyakul, W.; Czímerová, A.; Bujdák, J.
“Resonance Energy Transfer between Cyanine Dyes in Hybrid Films of Layered Silicate Prepared by Layer-by-Layer Method”
Appl. Clay Sci., 2021, 202, 105985 9.

Fujimura, Takuya; Akagashi, Yoshiya; Aoyama, Yuhei; Sasai, Ryo
“Preparation of Transparent Film of Layered Double Hydroxide with Anionic Pyrene Derivatives and Its Luminous Toluene Detection Ability”
Int. J. Photoenergy,2020, 8870930, 7.

(https://doi.org/10.1155/2020/8870930)

2019年度

Soontornchaiyakul, Wasusate; Fujimura, Takuya; Yano Natsumi; Kataoka, Yusuke; Sasai, Ryo
"Photocatalytic Hydrogen Evolution over Exfoliated Rh Doped-Titanate Nanosheets"
ACS Omega, 2020,5, 9929-9936

Boháč, Peter; Czímerová, Adriana; Sasai, Ryo; Bujdák, Juraj
”Luminescence and Resonance Energy Transfer in the Colloids of Cyanine Dyes and Saponite Modified with Cationic Surfactants"
Appl. Clay Sci., 2020, 189, 105536 1-9.

Fujimura, Takuya; Shimada, Tetsuya; Sasai, Ryo; Takagi, Shinsuke
”Photoreduction of Methylviologen in Saponite Clay: Effect of Methylviologen Adsorption Density on the Reaction Efficiency”
Clays Clay Miner.,2020,. (https://doi.org/10.1007/s42860-019-00047-8)

Sasai, Ryo; Shimamura, Nobuhiro; Fujimura, Takuya
”Eco-Friendly Rare-Earth Metal Recovering Process with High Versatility from Nd-Fe-B Magnets”
ACS Sustainable Chem. Eng., 2020,8, 1507-1512.

Fujimura, Takuya; Arita, Kazuki; Fujishiro, Rei; Okada, Kazuya; Ikeue, Takahisa; Sasai, Ryo
"Stabilization of cationic zinc phthalocyanine monomers by adsorption on clay nanosheet colloid and photogeneration of singlet oxygen"
J. Photochem. Photobiol. A, 2020, 390,112293 1-5.

Sasai, Ryo; Fujimura, Takuya; Onda, Nobuhito; Nakayashiki, Yuto; Sumiyoshi, Hidenobu; Hagura, Koki; Abe, Tomohiro; Moriyoshi, Chikako; Kawaguchi, Shogo
"Development of a Novel Time-Resolved Synchrotron-Radiation X-ray Diffraction Measurement System for In Situ Observation of Crystal Structure in Aqueous Solution during Chemical Reaction: Application to the Anion-Exchange Reaction of a Layered Double Hydroxide from Chloride to Nitrate"
Bull. Chem. Soc. Jpn., 2019, 92,1986-1992.

Sasai, Ryo; Sato, Hiroaki; Sugata, Mako; Fujimura, Takuya; Ishihara, Shinsuke; Deguchi, Kenzo; Ohki, Shinobu; Tansho, Masataka; Shimizu, Tadashi; Oita, Naoto; Numoto, Mako; Fujii, Yasuhiro; Kawaguchi, Shogo; Matsuoka, Yoshiki; Hagura, Koki; Abe, Tomohiro; Moriyoshi, Chikako
"Why Do Carbonate Anions Have Extremely High Stability in the Interlayer Space of Layered Double Hydroxides?: Case Study of Layered Double Hydroxide Consisting of Mg and Al (Mg/Al = 2)"
Inorg. Chem., 2019, 58, 10928-10935.

Fujimura, T.; Aoyama, Y.; Sasai, R.
”Unique Protonation Behavior of Cationic Free-Base Porphyrins in the Interlayer Space of Transparent Solid Films Comprising Layered α-Zirconium Phosphate”
Tetrahedron Lett.,2019,l60, 150912 1-4.

2018年度

Fujishiro, R.; Sonoyama, H.; Ide, Y.; Fujimura, T.; Sasai, R.; Nagai, A.; Mori, S.; Kaufman, N. E. M.; Zhou, Z.; Vicent, M. G. H.; Ikeue, T.
“Synthesis, Photodaynamic Activities, and Cytotoxicity of New Water-Soluble Cationic Gallium(III) and Zinc(II) Phthalocyanines”

J. Inorg. Biochem., 2019, 192, 7-16.

Aoyama, Y.; Fujimura, T.; Sasai, R.
“Preparation of -Zirconium Phosphate Nanosheet Stacked Solid Films with High Transparency and Intercalating with Cationic Free-Base Porphyrins”

Chem. Lett., 2019, 48, 40-42.

Miyoshi, K.; Manami, K.; Sasai, R.; Nishigori, S.; Takeuchi, J.
“Electronic States Realized by the Interplay Between Li Diffusion and Co3+/Co4+ Charge”

Phys. Rev. B, 2018, 98, 195106(1-8).

Fujimura, T.; Shimada, T.; Sasai, R.; Takagi, S.
"Optical Humidity Sensing Using Transparent Hybrid Film Composed of Cationic Magnesium Porphyrin and Clay Mineral"

Langmuir, 2018, 34, 3572-3577. (DOI: 10.1021/acs.langmuir.7b04006)

Kawamura, S.; Matsubara, K. Sakai, S.; Sasaki, K.; Saito, M.; Saito, K.; Yagi, M.; Norimatsu, W.; Sasai, R.; Kusunoki, M.; Eguchi, M.; Yin, S.; Aasakura, Y.; Yui, T.
"Preparation of Stable Silver Nanoparticles Having Wide Red-To-Near-Infrared Extinction"

Global Challenges, 2018, 2(3), 1700105.

2017年度

Hirose, M.; Itoh, F.; Shimada, T.; Takagi, S.; Sasai, R.; Okada, T.
"Photoluminescence by Intercalation of a Fluorescent β-Diketone Dye into a Layered Silicate"

Langmuir, 2017, 33, 13515-13521.

Soontronchaiyakul, W.; Fujimura, T.; Sasai, R. Bull. Chem.Sco.
"Photocatalytic Oxidative Decomposition of Methylene Blue by Rh-Doped Titanate Nanosheets ([Ti4-xRhxO9]2-),"

Bull. Chem.Sco. Jpn., 2017, 90, 1267-1272.

Soontrornchaiyakul, W.; Fujimura, T.; Usami, H.; Sasai, R.
"Effects of Rh-Doping on the Photoxidative Degradation Activity of Titanate Nanosheets,"

RSC Adv., 2017, 7, 21790-21795 (DOI: 10.1039/c6ra28731j).

Sasai, R.; Soontronchaiyakul, W.; Kato, Y.; Usami, H.; Masumori, A.; Norimatsu, W.; Fujimura, T.; Takagi, S.

"Photoinduced Electron Transfer in Layer-by-Layer Thin Solid Films Containing Cobalt Oxide Nanosheets, Porphyrin, and Methylviologen," Phys. Chem. Chem.Phys., 2017, 19, 5611-5616 (DOI: 10.1038/C6CP07250J).

Date, Y.; Matsui, Y.; Kagawa, Y.; Hino, E.; Fujii, T.; Suzaki, M.; Aoki, K.; Sasai, R.
"Influence of Gas Adsorption on the Luminous Properties of Layered Double Hydroxide/Anionic Fluorescein Dye Hybrid Thin Solid Films,"

Bull. Chem.Soc. Jpn., 2017, 90(2), 148-153 (DOI: 10.1246/bcsj.20160289).

2016年度

Sasai, R.; Nii, E.; Sato, H.; Fujimura, T.; Imai, S.; Kumagai, J.
"Iodide Selectivity and gamma-ray Shielding Ability of a Layered Double Hydroxide,"

Chem. Lett.,2016, 45, 1409-1411.

Wan, C.; Tian, R.; Azizi, A. B.; Huang, Y.; Wei, Q.; Sasai, R.; Soontronchaiyakul, W.; Ishida, T.; Koumoto, K.
"Flexible Thermoelectric Foil for Wearable Energy Harvesting,"

Nano Energy,2016, 30,840-845.

Sasai, R.; Morita, M.
"Luminous Relative Humidity Sensing by Anionic Fluorescein Dyes Incorporated into Layered Double Hydroxide/1-Butanesulfomate Hybrid Materials,"

Sensors Actuators B, 2016, 238, 702-705.

Akita, Y.; Harada, T.; Sasai, R.; Tomita, K.; Nishiyama, K.
"Possible Size Control and Emission Characterization of Eu3+-Doped Y2O3 NanoParticles Synthesized by Surfactant-Assembly,"

Chem. Phys. Lett., 2016, 659, 121-125.

Sasaki, K.; Matsubara, K.; Kawamura, S.; Saito, K.; Yagi, M.; Norimatsu, W.; Sasai, R.; Yui, T.
"Synthesis of Copper Nanoparticles within the Interlayer Space of Titania Nanosheet Transparent Films,"

J. Mater. Chem. C, 2016, 4, 1476-1481.

Sasai, R; Shimamura, N.
"Technique for Recovering Rare-Earth Metals from Spent Sintered Nd-Fe-B Magnets without External Heating,"

J. Asian Ceram. Soc., 2016,4(2),155-158.

片井祐太郎,宮本大右,笹井 亮,佐藤利夫
"EDI法の殺菌・不活化効果と水解離現象の発生範囲(規模)との関係(Relation between the Disinfection and Endotoxin Inactivation Effects of the Electro De-Ionization (EDI) Method and the Water Splitting Phenomenon)"

日本防菌防黴学会誌(J. Antibact. Antifung. Agents), 2016, 44, 3-7.

2015年度

Date, Y.; Kagawa, Y.; Sasai, R.; Kohno, K.; Hino, E.; Fujii, T.; Aoki, K.; Oda, K.

"Preparation and Characterization of Layered Double Hydroxide/Anionic Fluorescein Dye Hybrid Thin Solid Films with Luminous Properties," Clay Sci., 2015, 19(4), 85-90.

Sasai, R.; Kubota, M.; Nii, E.; Hoashi, H.; Moriyoshi, C.; Kuroiwa, Y.
"Thermodynamic Features of Anion-Exchange and Anion-Selectivity of Aluminum/Lithium-Layered Double Hydroxide,"

Clay Sci.,2015, 19, 67-71.

Wan, C.; Kodama, Y.; Kondo, M.; Sasai, R.; Qian, X.; Gu, X.; Koga, K.; Yabuki, K.; Yang, R.; Koumoto, K.
"Dielectric Mismatch Mediates Carrier Mobility in Organic-Intercalated Layered TiS2,"

Nano Lett.,2015, 15, 6302-6308.

Sasai, R.; Takegawa, M.; Nii, E.; Hoashi, H.; Moriyoshi, C.; Kuroiwa, Y.
"Methanol Effect on Anion Exchange Properties of Layered Double Hydroxides Consisting of Mg and Al (Mg/Al = 2),"

Clay Sci.,2015, 19(1), 1-4.

Sakaguchi, I.; Inoue, Y.; Nakamura, S.; Kojima, Y.; Sasai, R.; Sawada, K.; Suzuki, K.; Takenaka, C.; Katayama, A.
"Assessment of Soil Remediation Technologies by Comparing Health Risk Reduction and Potential Impacts Using Unified Index, Disability-Adjusted Life Years,"

CleanTechn. Environ. Policy,2015, 17, 1663-1670.

2014年度

Akita, Y.; Harada, T.; Sasai, R.; Tomita, K.; Nishiyama, K.
"Emission Properties of Ln (Eu, Tb, Dy, Er)-doped Y2O3 Nanoparticles Synthesized by Surfactant-Assembly and Their Applications in Visible Color-Tuning,"

J.Photochem. Photobiol. A,2014, 299, 87-93.

Sahoo, P.; Ishihara, S.; Yamada, K.; Deguchi, K.; Ohki, S.; Tansho, M.; Shimizu, T.; Nii, E.; Sasai, R.; Labuta, J.; Ishikawa, D.; Hill, J. P.; Ariga, K.; Bastakoti, B. P.; Yamauchi, Y.; Iyi, N.
"Rapid Exchange between Atomospheric CO2 and Carbonate Anion Intercalated within Magnesium Rich Layered Double Hydroxide,"

ACS Appl. Mater.Interfaces,2014, 6, 18352-18359.

Sasai, R.; Watanabe R.; Yamada, T.
"Preparation and Characterization of Titania- and Organo-Pillared Clay Hybrid Photocatalysts Capable of Oxidizing Aqueous Bisphenol A under Visible Light,"

Appl. Clay Sci.,2014, 93-94, 72-77.

2013年度

Ishihara, S.; Deguchi, K.; Sato, H.; Takegawa, M.; Nii, E.; Ohki, S.; Hashi, K.; Tansho, M.; Shimizu, T.; Ariga, K.; Labuta, J.; Sahoo, P.; Yamauchi, Y.; Hill, P. J.; Iyi, N.; Sasai, R.
"Multinuclear Solid-State NMR Spectroscopy of Layered Double Hydroxide Containing Paramagnetic Cations,"

RSC Adv.,2013, 3, 19857-19860.

Yui, T.; Fujii, S.; Matsubara, K.; Sasai, R.; Tachibana, H.; Yoshida, H.; Takagi, K.; Inoue, H.
"Intercalation of a Surfactant with a Long Polyfluoroalkyl Chain into a Clay Mineral: Unique Orientation of Polyfluoroalkyl Groups in Clay Layers,"

Langmuir,2013, 29, 10705-10712.

Sasai, R.; Matsuoka, Y.; Sato, H.; Moriyoshi, C.; Kuroiwa, Y.
"Abnormally Large Thermal Vibration of Chloride Anions Incorporated in Layered Double Hydroxide Consisting of Mg and Al (Mg/Al = 2),"

Chem. Lett.,2013, 42(10), 1285-1287.

Sasai, R.; Miyanaga, H.; Morita, M.
"Preparation and Characterization of Highly Photoluminescent Hybrid Solids from Anionic Fluorescein dye, Surfactant, and Layered Double Hydroxide,"

Clay Sci.,2013, 17, 35-40.

Fujimura, T.; Shimada, T.; Hamatani, S.; Onodera, S.; Sasai, R.; Inoue, H.; Takagi, S.
"Highly Density Intercalation of Porphyrin into Transparent Clay Membrane without Aggregation,"

Langmuir,2013, 29, 5060-5065.

Sasai, R.; Hirata, K.
"Selective Crystallization of W by Hydrothermal Treatment of Wastewater Containing W and Mo,"

Chem. Lett.,2013, 42(5), 463-464.

Toyodome, H.; Higo, Y.; Sasai, R.; Kurawaki, J.; Kaneko, Y.
"Behavior of Chiral Induction from Polysilsesquioxanes Bearing Chiral and Ammonium Groups to Anionic Pyrene Derivatives,"

J. Nanosci. Nanotech.,2013, 13, 3074-3078.

Sasai, R.; Shinomura, H.
"Preparation and Optical Characteristics of Layered Perovskite-Type Lead-Bromide-Incorporated Azobenezene Chromophores,"

J.Solid State Chem.,2013, 198, 452-458.

2012年度

Sasai, R.; Norimatsu, W.; Matsumoto, Y.
"Nitrate-ion-selective exchange ability of layered double hydroxide consisting of MgII and FeIII,"

J. Hazard. Mater.,2012, 215-216, 311-314

2011年度

Sasai, R.; Iyi, N.; Kusumoto, H.
"Luminous Change of Rhodamine 3B Incorporated into Titanate Nanosheet/Decyltrimethylammonium Hybrids under Humid Atmosphere,"

Bull. Chem. Soc. Jpn.,2011, 84(5), 562-568.

笹井亮
"イオン交換性無機層状化合物が有する2次元ナノ空間を利用した無機-有機複合型吸着・検知材料"

ゼオライト2011,28(1),2-9.

Sasai, R.; Matsumoto, Y.; Itakura, T.
"Continuous-Flow Detoxification Treatment of Boron-Containing Wastewater under Hydrothermal Conditions,"

J. Ceram. Soc. Jpn.,2011, 119(4), 277-281.

笹井亮,森田理夫
”分子検出特性を示す発光性色素/層状複水酸化物ナノハイブリッドの創製”

粘土科学2011, 49(3), 1-5.

Hiromitsu, I.; Kawami, A.; Tanaka, S.; Morito, S.; Sasai, R.; Ikeue, T.; Fujita, Y.; Handa, M.
"Luminescence of Tetraphenylporphyrin by an Energy Transfer from Photoexcited ZnO Nanoparticle,"

Chem. Phys. Lett.,2011, 501, 385-389.


"Molecular Sensing Ability of Layered Inorganic/Luminous Organic Nano Hybrid Materials,"

3rd International Congresson Ceramics (ICC3): Hybrid and Nano-StructuredMaterials, 2011, 18.

2010年度

田中良, 山本剛, 笹井亮, 板谷義紀
”マイクロ波非平衡プラズマを用いた難分解性廃液の直接処理,”

化学工学論文集,2010,36(6), 571-575.

Liu, Z.G.; Zhang, F. S.; Sasai, R.
"Arsenate Removal from Water Using Fe3O4-LoadedActivated Carbon Prepared from Waste Biomass,"

Chemical Engineering Journal,2010,160(1), 57-62.

Itoh, H.; Sasai, R.; Itakura, T.
"Consolidation Recovery of Rare/Hazardous Elements from Polluted Waterby the Hydrothermal Mineralization Proces,"

Waste Managementand the Environment V,2010, 369-378.

2009年度以前

Itakura, T.; Hirata, K.; Aoki, M.; Sasai, R.; Yoshida, H.; Itoh, H.
"Decomposition and Removal of Ionic Liquid in Aqueous Solution by Hydrothermal and Photocatalytic Treatment,"

Environmental Chemistry Letters,2009,7(4), 343-345.

Sasai, R.; Morishita, T.; Norimatsu, W.; Yamamoto, M.; Ichikawa, A.; Kusunoki, M.
"Novel Upgraded Method of Recycling Spent SiC Abrasive Powders to CNT,"

Journal of The Ceramic Society of Japan,2009,117(1367), 815-818.

Itakura, T.; Imaizumi, H.; Sasai, R.; Itoh, H.
"Phosphorus Mineralization for Resource Recovery from Wastewater Using Hydrothermal Treatment,"

Journal of The Ceramic Society of Japan,2009,117(1363), 316-319.

Itakura,T.; Imaizumi, H.; Sakita, T.; Sasai, R.; Itoh, H.
"Precipitation Removal and Recovery of Cr(IV) from Aqueous Solution under Hydrothermal Condition,"

Journal of TheCeramic Society of Japan,2009,117(1371), 1199-1202.

Sasai, R.; Itoh, T.; Ohmori, W.; Itoh, H.; Kusunoki, M.
"Preparation and Characterization of Rhodamine 6G/ Alkyltrimethylammonium/Laponite Hybrid Solid Materials with Higher Emission Quantum Yield,"

Journal of Physical Chemistry C,2009,113(1), 415-421.

Itakura, T.; Sasai,R.; Itoh, H.
"A PrecipitationMethod for Arsenite Ion in Aqueous Solution as NaturalMineral by Hydrothermal Mineralization, "

Journal of The Ceramic Society of Japan,2008,116(1350), 234-238.

Itakura, T.; Imaizumi, H.; Sasai, R.; Itoh, H.
"Chromium and Phosphorous Recovery from Polluted Water by Hydrothermal Mineralization,"

Waste Management and The Environment IV,2008, 109, 781-788.

Sasai, R.; Kubo, H.; Kamiya, M.; Itoh, H.
"Development of an Eco-Friendly Material Recycling Process for Spent Lead Glass Using a Mechanochemical Process and Na2EDTA Reagent,"
Environmental Science & Technology,2008,42(11), 4159-4164.

8

"Preparation of a Novel Luminous Heterogeneous System: Rhodamine/Coumarin/Phyllosilicate Hybrid and Blue Shift in Fluorescence Emission,"

Chemistry of Materials,2008,20(9), 2994-3002.

Sasai, R.; Hotta, Y.; Itoh, H.
"Preparation of Organoclay Having Titania Nano-Crystals in Interlayer Hydrophobic Field and Its Characterization,"

Journal of The Ceramic Society of Japan,2008,116(1350), 205-211

Itakura, T.; Sasai, R.; Itoh, H.
"Arsenic Recovery from Water Containing Arsenite and Arsenate Ions by Hydrothermal Mineralization,"

Journal of Hazardous Materials,2007, 146(1-2), 328-333.

Itakura, T.; Sasai, R.; Itoh, H.
"Detoxification of Antimonic Contaminated Water and Precipitation Recovery of Antimony by Mineralization under Hydrothermal Condition," Chemistry Letters,2007,36(4), 524-525.

Kojima, T.; Mori, Y.; Kamiya, M.; Sasai, R.; Itoh, H.
"Disintegration Process of Yttria-Stabilized Zirconia Ceramics Using Hydrothermal Conditions,"

Journal of Materials Science,2007,42(15), 6056-6061.

Itakura, T.; Sasai, R.; Itoh, H.
"In Situ Solid/Liquid Separation Effect for High-Yield Recovery of Boron and Fluorine from Media containing Borate or Fluoroborate Ions," Bullutin of The Chemical Society of Japan,2007,80, 2014-2018.

Shindachi, I.; Hanaki, H.; Sasai, R.; Shichi, T.; Yui, T.; Takagi, K.
"Preparation and Photochromism of Diarylethene Covalently Bonded onto Layered Sodium-Magadiite Surfaces,"

Research on Chemical Intermediates,2007,33(1-2), 143-153.

Sasai, R.; Sitoh, T.; Hayashi, H.; Hazama, M.; Kishimoto, S.; Itoh, H.
"Recycling of Used Toner Carrier for Electro-Photographic Printing by Hydrothermal Treatmennt,"

Journal of The Ceramic Society of Japan,2007, 115(1339), 222-226. (Japanese)

Kamiya, M.; Mori, Y.; Kojima, T.; Sasai, R.; Itoh, H.
"Recycling Process for Yttria-Stabilized Tetragonal Zirconia Ceramics Using a Hydrothermal Treatment,"

Journal of Material Cycles and Waste Management,2007,9(1), 27- 33

Itakura, T.; Sasai, R.; Itoh, H.
"A Novel Recovery Method for Treating Wastewater Containing Fluoride and Fluoroboric Acid,"

Bulletin of The Chemical Society of Japan,2006,79(8), 1303-1307.

Itakura, T.; Sasai, R.; Itoh, H.
"Arsenic Recovery from Water Containing Arsenite Ions by Hydrothermal Mineralization,"

Chemistry Letters,2006,35(11), 1270-1271.

Sasai, R.; Jin-no, M.; Satoh, A.; Imai, Y.; Itoh, H.
"Decomposition and Detoxification of DXNs Adsorbed on Various Solid Wastes by Microwave Plasma Treatment,"

Waste Management and The Environment III,2006,92, 279-286.

Peikov, V.; Sasai, R.; Tanigawa, M.; Petkanchin, I.; Yamaoka, K.
"Electrooptics of β-FeOOH Particle in Aqueous Media - 2. Field-Strength Dependence of Decay and Steady-State Birefringence, and the Hydrodynamic and Electrooptic Properties,"

Journal of Colloid and Interface Science,2006,295(2), 445-456.

Kamiya, M.; Sasai, R.; Itoh, H.
"Lead Recovery from PbZrO3Using Wet Ball-Mill Technique and Hydrothermal Synthesis of α-Zirconium Phosphate from Wastewater for Resource Recovery,"

Journal of Hazardous Materials,2006,134(1-3), 67-73.

Itoh, H.; Miyanaga, H.; Kamiya, M.; Sasai, R.
"Recovery of Rare Metals from Spent Lithium Ion Cells by Hydrothermal Treatment and Its Technology Assessment,"

Waste Management and The Environment III,2006,92, 3-12.

Itakura, T.; Sasai, R.; Itoh, H.
"Resource Recovery from Nd-Fe-B Sintered Magnet by Hydrothermal Treatment,"

Journal of Alloys and Compounds,2006,408, 1382-1385.

Itakura, T.; Sasai, R.; Itoh, H.
"Resource Rcovery from Wastewater Containing Hazardous Oxoanions by Hydrothermal Mineralization,"

Waste Management and The Environment III,2006,92, 201-210.

Nishikiori, H.; Sasai, R.; Takagi, K.; Fujii, T.
"Zinc Chelation and Photofluorochromic Behavior of Spironaphthoxazine Intercalated into Hydrophobically Modified Montmorillonite," Langmuir,2006,22(7), 3376-3380.

Sasai, R.; Inagaki, F.; Gao, N-F.; Itoh, H.
"Resource Recovery from Cemented Carbide by Subcritical Hydrothermal Treatment,"

Journal of the Society of Materials Science Japan,2006,55, 254-257.

Ohtani, O.; Itoh, T.; Monna, Y.; Sasai, R.; Shichi, T.; Yui, T.; Takagi, K.
"Design of Photofunctional Laminated Organized Thin Films: Photochromism of Ammoniumazobenzene Arenecarboxylates cast on Silica Glass,"

Bulletin of The Chemical Society of Japan,2005,78(4), 698-702.

Yui, T.; Shindachi, I.; Sasai, R.; Takagi, K.
"Intercalation and Photochromism of Monocationic Diarylethenes Incorporated in Clay Layer Surfaces,"

Molecular Crystals and Liquid Crystals,2005,431, 321-327.

Takase, K.; Kanno, S.; Sasai, R.; Sato, K.; Takahashi, Y.; Takano, Y.; Sekizawa, K.
"Non-Stoichiometry Effects on Electrical and Luminescence Properties of The Layered Oxysulfide (LaO)CuS,"

Journal of Physics and Chemistry of Solids,2005,66(11), 2130-2133.

Itakura, T.; Sasai, R.; Itoh, H.
"Precipitation Recovery of Boron from Wastewater by Hydrothermal Mineralization,"

Water Research,2005,39(12), 2543-2548.

Sasai, R.; Itoh, T.; Iyi, N.; Takagi, K.; Itoh, H.
"Preparation of Hybrid Organic/Inorganic Luminescence Thin Solid Films with Highly Concentrated Laser-Dye Cations,"

Chemistry Letters,2005,34(11), 1490-1491.

Kojima, T.; Shimizu T.; Sasai, R.; Itoh, H.
"Recycling Process of WC-Co Cermets by Hydrothermal Treatment,"

Journal of Materials Science,2005,40(19), 5167-5172.

Gao, N-F.; Inagaki, F.; Sasai, R.; Itoh, H.; Watari, K.
"Resource Recovery of WC-Co Cermet Using Hydrothermal Oxidation Technique,"

High-Performance Ceramics III, Pts 1 and 2,2005,280-283, 1479-1484.

Kamiya, M.; Kojima, T.; Sasai, R.; Itoh, H.
"Disintegration Behavior of Silicon Nitride Ceramic by Hydrothermal Treatment in Aqueous HF Solution,"

Journal of The Ceramic Society of Japan,2004,112(1302), 70-76.

Ohtani, O.; Furukawa, T.; Sasai, R.; Hayashi, E.; Shichi, T.; Yui, T.; Takagi, K.
"Effect of Fluorinated Ammonium Counterions upon The Reversibility in E-Z Photoisomerization of Azobenzene Ion Pair Films,"

Journal of Materials Chemistry,2004,14(2), 196-200.

Kaneko, Y.; Iyi, N.; Bujdak, J.; Sasai, R.; Fujita, T.
"Effect of Layer Charge Density on Orientation and Aggregation of Cationic Laser Dye Incorporated in the Interlayer Space of Montmorillonite,"

Journal of Colloid and Interface Science,2004,269(1), 22-25.

Sasai, R.; Iyi, N.; Fujita, T.; Arbeloa, L. F.; Martinez, M. V.; Takagi, K.; Itoh, H.
"Luminescence Properties of Rhodamine 6G Intercalated in Surfactant/Clay Hybrid Thin Solid Films,"

Langmuir,2004,20(11), 4715-4719.

Sasai, R.; Mizutani, T.; Itoh, H.
"Preparation and Characterization of Activated Carbon/Zeolite Composites from Industrial Solid Wastes,"

Waste Management in Japan,2004, 1-10.

Kamiya, M.; Sasai, R.; Itoh, H.
"Recovery of Lead from Lead-Based Electronic Ceramics by Wet Ball-Mill Treatment with Acids Solution and The Effective Use of Metals in the Wastewater,"

Waste Management in Japan,2004, 31-40.

Itakura, T.; Sasai, R.; Itoh, H.
"Resource Recovery from Nd-Fe-B Permanent Magnet by Hydrothermal Treatment,"

Waste Management in Japan,2004, 41-50.

Bujdak, J.; Iyi, N.; Sasai, R.
"Spectral Properties, Formation of Dye Molecular Aggregates, and Reactions in Rhodamine 6G/Layered Silicate Dispersions,"

Journal of Physical Chemistry B,2004,108(14), 4470-4477.

Shindachi, I.; Hanaki, H.; Sasai, R.; Shichi, T.; Yui, T.; Takagi, K.
"The Effect of Layered Sodium-Magadiite on The Photochromic Reversibility of Diarylethene Immobilized on Its Surfaces,"

Chemistry Letters,2004,33(9), 1116-1117.

Gao, N-F.; Sasai, R.; Itoh, H.; Suzumura, Y.
"Recycling of WC-Co Cermet by Hydrothermal Treatment in Acidic Aqueous Solutions,"

Journal of The Ceramic Society of Japan,2004,112, S1378-S1392.

Lucia, L. A.; Yui, T.; Sasai, R.; Takagi, S.; Takagi, K.; Yoshida, H.; Whitten, G. D.; Inoue, H.
"Enhanced Aggregation Behavior of Antimony(V) Porphyrins in Polyfluorinated Surfactant/Clay Hybrid Microenvironment,"

Journal of Physical Chemistry B,2003,107(16), 3789-3797.

Bujdak, J.; Iyi, N.; Kaneko, Y.; Czimerova, A.; Sasai, R.
"Molecular Arrangement of Rhodamine 6G Cations in the Films of Layered Silicates: The Effect of The Layer Charge, "

Physical Chemistry Chemical Physics,2003,5(20), 4680-4685.

Bujdak, J.; Iyi, N.; Kaneko, Y.; Sasai, R.
"Molecular Orientation of Methylene Blue Cations Adsorbed on Clay Surfaces,"

Clay Minerals,2003,38(4), 561-572.

Kaneko, Y.; Iyi, N.; Bujdak, J.; Sasai, R.; Fujita, T.
"Molecular Orientation of Methylene Blue Intercalated in Layer-Charge-Controlled Montmorillonite,"

Journal of Materials Research,2003,18(11), 2639-2643.

Sasai, R.; Torazawa, M.; Shibaguchi, K.; Itoh, H.
"Preparation of Porous Ceramic Materials Dispersed with Activated Carbon from Industrial Solid Wastes and Their Characterization,"

Journal of The Ceramics Society of Japan,2003, 111(11), 826-830. (Japanese)

Kamiya, M.; Sasai, R.; Itoh, H.
"Recovery of Lead from PLZT Ceramics Using The Wet Ball-Mill Method,"

Journal of The Ceramic Society of Japan,2003,111(12), 897-901.

Kamiya, M.; Sasai, R.; Itoh, H.
"Recovery of Lead in Lead Zirconate Titanate Ceramics by Wet Ball Mill with Acidic Solution,"

Journal of The Ceramics Society of Japna,2003,111(11),806-810.

Sasai, R.; Iyi, N.; Fujita, T.; Takagi, K.; Itoh, H.
"Synthesis of Rhodamine 6G/Cationic Srfactant/Clay Hybrid Materials and Its Luminescence Characterization,"

Chemistry Letters,2003,32(6), 550-551.

Itoh, H.; Mori, K.; Sasai, R.; Hayashi, H.; Shinoda, I.
"Technology Assessment of Cascade Recycling of Used Papers and Plastics by "Rescue Number","

Sustainable Planning and Development,2003,6, 933-942.

Sasai, R.; Sugiyama, D.; Takahashi, S.; Tong, Z.; Shichi, T.; Itoh, H.; Takagi, K.
"The Removal and Photodecomposition ofn-Nonylphenol Using Hydrophobic Clay Incorporated with Copper-Phthalocyanine in Aqueous Media,"

Journal of Photochemistry and Photobiology A - Chemistry,2003,155(1-3), 223-229.

Sasai, R.; Fujita, T.; Iyi, N.; Itoh, H.; Takagi, K.
"Aggregated Structure of Rhodamine 6G Intercalated in a Fluoro-Taeniolite Thin Solid Film,"

Langmuir,2002,18(17), 6578-6583.

Itoh, H.; Sasai, R.; Kamiya, M.; Kojima, T.
"Assessment of Environmental Risk and Waste Management,"

Waste Management and The Environment,2002, 3-12.

Sasai, R.; Santo, A.; Shimizu, T.; Kojima, T.; Itoh, H.
"Development of New Recycling System of WC-Co Cermet Scraps,"

Waste Management and The Environment,2002, 13-22.

Chen, G-M.; Iyi, N.; Sasai, R.; Fujita, T.; Kitamura, K.
"Intercalation of Rhodamine 6G and Oxazine 4 into Oriented Clay Films and Their Alignment,"

Journal of Materials Research,2002,17(5), 1035-1040.

Iyi, N.; Sasai, R.; Fujita, T.; Deguchi, T.; Soda, T.; Arbeloa, L. F.; Kitamura, K.
"Orientation and Aggregation of Cationic Dyes in a Fluoromica: Polarized Spectrometry Studies,"

Applied Clay Science,2002,22(3), 125-136.

Sasai, R.; Torazawa, M.; Yano, K.; Zhang, F-S.; Itoh, H.
"Preparation of Porous Adsorption Material by Cascade-Recycling of Industrial Solid Wastes,"

Waste Management and The Environment,2002, 71-78.

Kamiya, M.; Kojima, T.; Mori, Y.; Sasai, R.; Itoh, H.
"Recycling of Si3N4and ZrO2-Y2O3Ceramics by Hydrothermal Treatment,"

Waste Management and The Environment,2002, 61-70.

Ohtani, O.; Sasai, R.; Adachi, T.; Hatta, I.; Takagi, K.
"Self-Assembled Thin Solid Films of Dioctadecyldimethylammonium Cinnamate Lamella Units That Control the PhotoStationary State of E-Z Photoisomerizations,"

Langmuir,2002,18(4), 1165-1170.

Sasai, R.; Ukai, K.; Hirose, T.; Kojima, T.; Shibaguchi, K.; Matsuba, H.; Sugiyama, T.
"Porous Adsorption Materials Synthesized by Simultaneous Calcination of Inorganic and Organic Industrial Solid Wastes,"

Journal of The Japan Society of Waste Management Experts,2002,13, 209-215. (Japanese).

Sasai, R.; Fukatsu, H.; Kojima, T.; Itoh, H.
"High Pressure Consolidation of B6O-Diamond Mixtures,"

Journal of Materials Science,2001,36(22), 5339-5343.

Kamiya, M.; Sasai, R.; Lee, S. S.; Kuroda, K.; Tsutsumoto, T. Itoh, H.
"Internal Stress Distribution in the Functionally Graded Diamond/Silicon Nitride Coatings,"

Functionally Graded Materials2000, 2001,114, 119-126.

Sasai, R.; Itoh, H.;Shindachi, I.; Shichi, T.; Takagi, K.
"Photochromism of Clay-Diarylethene Hybrid Materials in Optically Transparent Gelatin Films,"

Chemistry of Materials,2001,13(6), 2012-2016.

66Sasai, R.; Shichi, T.; Gekko, K.; Takagi, K.
"Continously Changing the Conformational Dependence of Saponite Hybrid Materials on the Intercalation Degree: Electric Linear Dichroism of Stilbazolium Derivatives Intercalated in Saponite Clay,"

2000,73(8), 1925-1931.

Yamaoka, K.; Sasai, R.; Takata, N.
"Electric Linear Dichroism. A Powerful Method of the Ionic Chromophore-Colloid System as Exemplified by Dye and Montmorillonite,"

Colloid and Surfaces A-Physicochemical and Engineering Aspects,2000,175(1-2), 23-39.

Peikov, V.; Sasai, R.; Petkanchin, I.; Yamaoka, K.
"Electrooptics of β-FeOOH Particles in Aqueous Media 1. Reversing-Pulse Electric Birefringence in the Low Field Region,"

Journal of Colloid and Interface Science,2000,230(2), 410-419.

Matsuoka, R.; Yui, T.; Sasai, R.; Takagi, K.; Inoue, H.
"Enhanced Aggregation of Tin(IV)Porphyrins in a Polyfluorinated Surfactant-Clay Hybrid Environment,"

Molecular Crystals and Liquid Crystals,2000,341, 1137-1142.

70
"Intercalation of Spirooxazine Induced by Zinc Cation Chelation in Montmorillonite and Its Photochromic Behavior,"

Chemistry Letters, 2000,(10), 1142-1143.

Sasai, R.; Ogiso, H.; Shindachi, I.; Shichi, T.; Takagi, K.
"Photochromism in Oriented Thin Films Prepared by the Hybridization of Diarylethenes in Clay Interlayers,"

Tetrahedron,2000,56(36), 6979-6984.

Sasai, R.; Ogiso, H.; Shindachi, I.; Shichi, T.; Takagi, K.
"Photochromism of Diarylethene Intercalated in Clay Interlayers,"

Molecular Crystals and Liquied Crystals,2000, 345, 363-368.

Yamaoka, K.; Sasai, R.
"Pulsed Electric Linear Dichroism of Triphenylmethane Dyes Adsorbed on Montmorillonite K10 in Aqueous Media,"

Journal of Colloid and Interface Science,2000,225(1), 82-93.

Sasai, R.; Shin'ya, N.; Shichi, T.; Takagi, K.; Gekko, K.; Yamaoka, K.
"Molecular Alignment and Photodimerization of 4'-chloro-4-Stilbenecarboxylic Acid in Hydrotalcite Clays: Bilayer formation in the Interlayers," Langmuir,1999,15(2), 413-418.

Yamaoka, K.; Sasai, R.
"Reversing-Pulsed Electric Birefringence of Montmorillonite K10 in Aqueous Media: Electric Moments, Field Orientation, and Changes in Sign and Profile of Signals Observed in the Low-Field Region,"

Journal of Colloid and Interface Science,1999, 209(2), 408-420.

Yamaoka, K.; Peikov, V.; Sasai, R.; Stoylov. S. P.
"Theory and Experiment of Reversing-Pulsed Electric Birefringence - The case of Bentonite Suspensions in the Absence and Presence of Cetylpyridinium Chloride,"

Colloids and Surfaces A - Physicochemical and Engineering Aspects,1999,148(1-2), 43-59.

Peikov. V.; Sasai, R.; Stoylov, S. P.; Yamaoka, K.
"Surface Electric Properties of the Na-Bentonite Cetylpyridinium Chloride System as Studied by Reversing-Pulsed Electric Birefringence," Journal of Colloid and Interface Science,1998,197(1), 78-87.

Sasai, R.; Gekko, K.; Yamaoka, K.
"Electro-Optics of Dispersed Systems: 6. Electric Birefringence of Na-Montmorillonite Suspended in Water-Ethanol Mixed Solvent,"

Chemistry Letters,1997,(3), 257-258.

Yamaoka, K.; Sasai, R.; Kohno, K.
"Low-Field Expressions for Reversing-Pulse Electric Birefringence of Ionized Polyions with Permanent, Ionic, and Electric Dipole Moments: A Further Extension of the Ion-Fluctuation Theory and the Application to Poly(α, L-Glutamic Acid),"

Journal of Chemical Physics,1996,105(19), 8958-8964.

Sasai, R.; Ikuta, N.; Yamaoka, K.
"Reversing-Pulse Electric Birefringence of Montmorillonite Particles Suspended in Aqueous Media: Instrumentation and the Effect of Particle Concentration, Ionic Strength, and Valence of Electrolyte on Field Orientation,"

Journal of Physical Chemistry,1996,100(43), 17266-17275.

Sasai, R.; Yamaoka, K.
"Electrooptics in Dispersed Systems: 4. Steady-State Electric Birefringence of Disk-Shaped Particles with Various Electric Moments and the Orientaion Function: Case of Montmorillonite in Aqueous Media, "

Journal of Physical Chemistry,1995,99(50), 17754-17762.

Peikov. V.; Sasai, R.; Yamaoka, K.
"Electrooptics of Dispersed Systems 3. Reversing-Pulse Electric Birefringence of β-FeOOH Particles dispersed in Aqueous Media,"

1995, (3), 177-178.

Yamaoka, K.; Sasai, R.; Ikuta, N.
"Electrooptics of Dispersed Sytems 1. Reversing-Pulse Electric Birefringence of Montmorillonite Particles Suspended in Aqueous Media," Chemistry Letters,1994,(3), 563-566.

Yamaoka, K.; Tanigawa, M.; Sasai,R.
"Reversing-Pluse Electric Birefringence of Disk-LikeSuspended in the Low Electric-Field - An Extension of theIon-Fluctuation Model,"

Journal of Chemical Physics,1994,101(2), 1625-1631.