YUSA Shin-ichi

J-GLOBAL         Last updated: Oct 20, 2019 at 04:34
 
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Name
YUSA Shin-ichi
E-mail
yusaeng.u-hyogo.ac.jp
Affiliation
University of Hyogo
Section
Graduate School of Engineering

Research Areas

 
 

Published Papers

 
Anita E. Hyde, Maho Ohshio, Cuong V. Nguyen, Shin ichi Yusa, Norifumi L. Yamada, C. M. Phan
Journal of Molecular Liquids   290    Sep 2019
© 2019 Elsevier B.V. Ethanol is a common amphiphilic solvent often used in conjunction with water. However, despite its widespread use, key questions regarding the thickness and composition of molecules at the ethanol/water/air surface remain uncl...
Komol Kanta Sharker, Shin ichi Yusa, Chi Minh Phan
Heliyon   5(9) e02425   Sep 2019   [Refereed]
© 2019 The micellar structure of six alkyl trimethylammonium halides was studied via conductivity. It was found that the aggregation number increased with the decreasing carbon chain length. Furthermore, Br− significantly enhanced the micellar for...
The neutralization of heparan sulfate by heparin-binding copolymer as a potential therapeutic target
YUSA Shin-ichi
RSC advances   9(6) 3020-3029   Sep 2019   [Refereed]
Controlled Micelle Formation and Stable Capture of Hydrophobic Drug by Alkylated POSS Methacrylate Block Copolymers
S Chatterjee, M Ohshio, S Yusa, T Ooya
ACS Applied Polymer Materials   1(8) 2108-2119   Jul 2019   [Refereed]
Micellization and Phase Separation in Aqueous Solutions of Thermosensitive Block Copolymer Poly (N-isopropylacrylamide)-b-poly (N-vinyl-2-pyrrolidone) upon Heating
C Kuang, S Yusa, T Sato
Macromolecules   52(13) 4812-4819   Jun 2019   [Refereed]
Molecular Design of Soft Interface
S Yusa, S Fujii
Molecular Soft-Interface Science   29-54   May 2019   [Refereed]
Interpolymer association of amphiphilic diblock copolymers bearing pendant siloxane and phosphorylcholine groups
YUSA Shin-ichi
Journal of Polymer Science Part A: Polymer Chemistry   57 1500-1507   May 2019   [Refereed]
Synthesis and Properties of Upper Critical Solution Temperature (UCST) Responsive Nanogels
M Ohshio, K Ishihara, A Maruyama, N Shimada, S Yusa
Langmuir   35(22) 7261-7267   May 2019   [Refereed]
Oligopeptide-side chained alginate nanocarrier for melittin-targeted chemotherapy
K Wattanakul, T Imae, WW Chang, CC Chu, R Nakahata, S Yusa
Polymer Journal   51 771-780   May 2019   [Refereed]
Oxidation-responsive Liquid Marbles
M Ohshio, S Yukioka, NT Lien, K Iimura, S Fujii, Y Nakamura, S Yusa
Chemistry Letters   48(7) 644-646   May 2019   [Refereed]
Disruption of Liquid Marbles Induced by Host-Guest Interaction
S Kozuka, T Banno, S Fujii, Y Nakamura, S Yusa
48(8) 840-843   May 2019   [Refereed]
Electrostatic Formation of Liquid Marbles Using Thermo-responsive Polymer-coated Particles
Yuuki Kawata, Casey A Thomas, Yuta Asaumi, Haruka Hanochi, Peter M Ireland, Syuji Fujii, Yoshinobu Nakamura, Erica J Wanless, Grant B Webber, Shin-ichi Yusa
Chemistry Letters   48(6) 578-581   Apr 2019   [Refereed]
Kasahara M, Akimoto SI, Hariyama T, Takaku Y, Yusa SI, Okada S, Nakajima K, Hirai T, Mayama H, Okada S, Deguchi S, Nakamura Y, Fujii S
Langmuir : the ACS journal of surfaces and colloids   35(18) 6169-6178   Apr 2019   [Refereed]
Pachota M, Kłysik-Trzciańska K, Synowiec A, Yukioka S, Yusa SI, Zając M, Zawilinska B, Dzieciątkowski T, Szczubialka K, Pyrc K, Nowakowska M
ACS applied materials & interfaces   11(30) 26745-26752   Jul 2019   [Refereed]
Ohshio M, Ishihara K, Maruyama A, Shimada N, Yusa SI
Langmuir : the ACS journal of surfaces and colloids   35(22) 7261-7267   Jun 2019   [Refereed]
Aggregation behavior of double hydrophilic block copolymers in aqueous media
Mehul Khimani, Shin-ichi Yusa, VK Aswal, P Bahadur
Journal of Molecular Liquids   276 47-56   Feb 2019   [Refereed]
Kanta Sharker K, Ohara Y, Shigeta Y, Ozoe S, Yusa SI
Polymers   11(2)    Feb 2019   [Refereed]
Hanochi H, Nguyen TL, Yusa SI, Nakamura Y, Fujii S
Langmuir : the ACS journal of surfaces and colloids   35(21) 6993-7002   May 2019   [Refereed]
Foster LL, Yusa SI, Kuroda K
Antibiotics (Basel, Switzerland)   8(2)    May 2019   [Refereed]
Lim J, Matsuoka H, Yusa SI, Saruwatari Y
Langmuir : the ACS journal of surfaces and colloids   35(5) 1571-1582   Feb 2019   [Refereed]
Hiroaki Imoto, Ayano Ishida, Mari Hashimoto, Yoko Mizoue, Shin Ichi Yusa, Kensuke Naka
Chemistry Letters   48(10) 1266-1269   Jan 2019   [Refereed]
© 2019 The Chemical Society of Japan. Open-cage silsesquioxanes (IC-POSS, incompletely condensed polyhedral oligomeric silsesquioxane) were herein employed for construction of network polymers by utilizing the open moieties as reactive sites. The ...
Confined film structure and friction properties of triblock copolymer additives in oil-based lubrication
Shinji Yamada, Ami Fujihara, Shin-ichi Yusa, Tadao Tanabe, Kazue Kurihara
Polymer Journal   51(1) 41-49   Jan 2019   [Refereed]
白木啓太, 石原一彦, 遊佐真一
高分子論文集   76(1) 52‐60(J‐STAGE)-60   Jan 2019   [Refereed]
Hashidzume Akihito, Mitsukami Yoshiro, Yusa Shin-ichi, Morishima Yotaro
KOBUNSHI RONBUNSHU   76(1) 74-78   2019   [Refereed]
Ohshio M, Ishihara K, Yusa SI
Polymers   11(2)    Feb 2019   [Refereed]
Chi Minh Phan, Shin Ichi Yusa, Tomoko Honda, Komol Kanta Sharker, Anita Evelyn Hyde, Cuong Van Nguyen
ACS Omega   3(9) 10907-10911   Sep 2018   [Refereed]
© 2018 American Chemical Society. Since the early 20th century, the slightly disparate measurements of a surfactant's critical micelle concentration, via either surface tension or electrical conductivity, have been assumed one and the same. As a c...
遊佐真一
日本接着学会誌   54(9) 336‐342-342   Sep 2018
Marcin Lemanowicz, Shin ichi Yusa, Wojciech Bogacz, Andrzej Gierczycki
Chemical Engineering and Processing - Process Intensification   131 144-149   Sep 2018
© 2018 Elsevier B.V. In this paper a novel approach to the flocculation phenomenon was investigated, i.e. application of light-sensitive polymers. A hypothesis was proposed that the energy delivered by an electromagnetic wave will trigger the pho...
Ito Masaya, Takano Koki, Hanochi Haruka, Asaumi Yuta, Yusa Shin-ichi, Nakamura Yoshinobu, Fujii Syuji
FRONTIERS IN CHEMISTRY   6 269   Jul 2018   [Refereed]
Kawata Y, Kozuka S, Yusa SI
Langmuir : the ACS journal of surfaces and colloids   35(5) 1458-1464   Aug 2018   [Refereed]
Kalaska Bartlomiej, Kaminski Kamil, Miklosz Joanna, Nakai Keita, Yusa Shin-Ichi, Pawlak Dariusz, Nowakowska Maria, Mogielnicki Andrzej, Szczubialka Krzysztof
BIOMACROMOLECULES   19(7) 3104-3118   Jul 2018   [Refereed]
Qutaish Hamzeh, Tanaka Shunsuke, Kaneti Yusuf Valentino, Lin Jianjian, Bando Yoshio, Alshehri Abdulmohsen Ali, Yusa Shin-Ichi, Yarnauchi Yusuke, Hossain Md Shahriar A., Kim Jeonghun
MICROPOROUS AND MESOPOROUS MATERIALS   271 16-22   Nov 2018   [Refereed]
Ohara Y, Nakai K, Ahmed S, Matsumura K, Ishihara K, Yusa SI
Langmuir : the ACS journal of surfaces and colloids   35(5) 1249-1256   Jul 2018   [Refereed]
Kawatani Ryo, Kawata Yuuki, Yusa Shin-ichi, Kelland Malcolm A., Ajiro Hiroharu
MACROMOLECULES   51(19) 7845-7852   Oct 2018   [Refereed]
Hyde Anita E., Phan Chi M., Yusa Shin-ichi
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   553 562-568   Sep 2018   [Refereed]
Tanaka Shunsuke, Lin Jianjian, Kaneti Yusuf Valentino, Yusa Shin-ichi, Jikihara Yohei, Nakayama Tsuruo, Zakaria Mohamed Barakat, Alshehri Abdulmohsen Ali, You Jungmok, Hossain Md. Shahriar A., Yamauchi Yusuke
NANOSCALE   10(10) 4779-4785   Mar 2018   [Refereed]
Itsuki Kohei, Kawata Yuuki, Sharker Komol Kanta, Yusa Shin-ichi
POLYMERS   10(3)    Mar 2018   [Refereed]
Takahashi Rintaro, Narayanan Theyencheri, Yusa Shin-ichi, Sato Takahiro
MACROMOLECULES   51(10) 3654-3662   May 2018   [Refereed]
Honda Tomoko, Nakao Aiko, Ishihara Kazuhiko, Higaki Yuji, Higaki Keiko, Takahara Atsushi, Iwasaki Yasuhiko, Yusa Shin-ichi
POLYMER JOURNAL   50(5) 381-388   May 2018   [Refereed]
Imoto Hiroaki, Katoh Ryoichi, Honda Tomoko, Yusa Shin-ichi, Naka Kensuke
POLYMER JOURNAL   50(4) 337-345   Apr 2018   [Refereed]
Fujii Syuji, Yokoyama Yuichi, Nakayarna Saori, Ito Masanori, Yusa Shin-ichi, Nakamura Yoshinobu
LANGMUIR   34(3) 933-942   Jan 2018   [Refereed]
Tanaka Shunsuke, Kaneti Yusuf Valentino, Bhattacharjee Ripon, Islam Md Nazmul, Nakahata Rina, Abdullah Nawfel, Yusa Shin-ichi, Nam-Trung Nguyen, Shiddiky Muhammad J. A., Yamauchi Yusuke, Hossain Md. Shahriar A.
ACS APPLIED MATERIALS & INTERFACES   10(1) 1039-1049   Jan 2018   [Refereed]
HASHIDZUME Akihito, MITSUKAMI Yoshiro, YUSA Shin-ichi, MORISHIMA Yotaro
KOBUNSHI RONBUNSHU      2018
<p>An unsymmetric diblock copolymer b-Q57A97 of (ar‑vinylbenzyl)trimethylammonium chloride (Q) and N,N-dimethylvinylbenzylamine (A), synthesized by reversible addition-fragmentation chain transfer radical ...
Voon Siew Hui, Kue Chin Siang, Imae Toyoko, Saw Wen Shang, Lee Hong Boon, Kiew Lik Voon, Chung Lip Yong, Yusa Shin-ichi
INTERNATIONAL JOURNAL OF PHARMACEUTICS   534(1-2) 136-143   Dec 2017   [Refereed]
Nakahata R, Yusa SI
Langmuir : the ACS journal of surfaces and colloids      Jan 2018   [Refereed]
Shiraishi Kouichi, Yusa Shin-ichi, Ito Masanori, Nakai Keita, Yokoyama Masayuki
POLYMERS   9(12)    Dec 2017   [Refereed]
Azakami Yuka, Kappl Michael, Fujii Syuji, Yusa Shin-ichi, McNamee Cathy E.
ACS OMEGA   2(11) 7837-7848   Nov 2017   [Refereed]
Kwolek Urszula, Nakai Keita, Pluta Anna, Zatorska Maria, Wnuk Dawid, Lasota Slawomir, Bednar Jan, Michalik Marta, Yusa Shin-ichi, Kepczynski Mariusz
COLLOIDS AND SURFACES B-BIOINTERFACES   158 658-666   Oct 2017   [Refereed]
Ohara Yuki, Kawata Yuuki, Hyde Anita, Phan Chi, Takeda Ryoji, Takemura Yasushi, Yusa Shin-ichi
CHEMISTRY LETTERS   46(10) 1473-1475   Oct 2017   [Refereed]
Nakai Keita, Kwolek Urszula, Bednar Jan, Zatorska Maria, Nowakowska Maria, Kepczynski Mariusz, Yusa Shin-ichi
EUROPEAN POLYMER JOURNAL   94 125-135   Sep 2017   [Refereed]
Wilkosz Natalia, Jamroz Dorota, Kopec Wojciech, Nakai Keita, Yusa Shin-ichi, Wytrwal-Sarna Magdalena, Bednar Jan, Nowakowska Maria, Kepczynski Mariusz
JOURNAL OF PHYSICAL CHEMISTRY B   121(30) 7318-7326   Aug 2017   [Refereed]
Yano Junki, Ishihara Kazuhiko, Yusa Shin-ichi
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY   55(15) 2432-2439   Aug 2017   [Refereed]
Mizusaki Masanobu, Endo Tatsuya, Nakahata Rina, Morishima Yotaro, Yusa Shin-ichi
POLYMERS   9(8)    Aug 2017   [Refereed]
Nakai Keita, Ishihara Kazuhiko, Yusa Shin-ichi
CHEMISTRY LETTERS   46(6) 824-827   Jun 2017   [Refereed]
Nakai Keita, Ishihara Kazuhiko, Yusa Shin-ichi
LANGMUIR   33(21) 5236-5244   May 2017   [Refereed]
Mizusaki Masanobu, Nakai Keita, Enomoto Satoshi, Hara Yuki, Yusa Shin-ichi
POLYMER JOURNAL   49(5) 457-463   May 2017   [Refereed]
Nakai Keita, Ishihara Kazuhiko, Kappl Michael, Fujii Syuji, Nakamura Yoshinobu, Yusa Shin-ichi
POLYMERS   9(2)    Feb 2017   [Refereed]
Hyde Anita, Fujii Shota, Sakurai Kazuo, Phan Chi, Yusa Shin-ichi
CHEMISTRY LETTERS   46(2) 271-273   Feb 2017   [Refereed]
T. Sekido, M. Kappl, H. J. Butt, S. Yusa, Y. Nakamura, S. Fujii
Soft Matter   13 7562-7570   Jan 2017
© 2017 The Royal Society of Chemistry. Micrometer-sized monodisperse polystyrene (PS) particles carrying a pH-responsive poly[2-(diethylamino)ethyl methacrylate] (PDEA) colloidal stabilizer were synthesized via free radical dispersion polymerizati...
Shunsuke Tanaka, Bishnu Prasad Bastakoti, Yunqi Li Shin ichi Yusa, Daisuke Ishii, Kenya Kani, Amanullah Fatehmulla, Wazirzada Aslam Farooq, Muhammad J.A. Shiddiky, Yoshio Bando, Yusuf Valentino Kaneti, Yusuke Yamauchi, Md Shahriar A. Hossain
European Journal of Inorganic Chemistry   2017 1328-1332   Jan 2017
© 2017 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim In this work, we report the synthesis of mesoporous nickel ferrite with an average pore size of 22 nm by using the laboratory-synthesized asymmetric polystyrene-b-polyacrylic acid-b-polyethylene ...
Shibayama N, Kanda H, Yusa SI, Fukumoto S, Baranwal AK, Segawa H, Miyasaka T, Ito S
Nano convergence   4(1) 18   2017   [Refereed]
Yusa Shin-ichi, Tateiwa Hideyuki, Yazawa Tetsuo
KOBUNSHI RONBUNSHU   74(3) 182-187   2017   [Refereed]
Kalaska Bartlomiej, Kaminski Kamil, Miklosz Joanna, Yusa Shin-Ichi, Sokolowska Emilia, Blazejczyk Agnieszka, Wietrzyk Joanna, Kasacka Irena, Szczubialka Krzysztof, Pawlak Dariusz, Nowakowska Maria, Mogielnicki Andrzej
TRANSLATIONAL RESEARCH   177 98-112   Nov 2016   [Refereed]
Fujii Syuji, Yusa Shin-ichi, Nakamura Yoshinobu
ADVANCED FUNCTIONAL MATERIALS   26(40) 7206-7223   Oct 2016   [Refereed]
Nishizawa Nobuaki, Fujii Syuji, Kakuta Takahiro, Tanaka Kazuo, Yusa Shin-ichi, Chujo Yoshiki, Nakamura Yoshinobu
CHEMISTRY LETTERS   45(10) 1168-1170   Oct 2016   [Refereed]
Ohata Tetsuya, Ishihara Kazuhiko, Iwasaki Yasuhiko, Sangsuwan Arunee, Fujii Shota, Sakurai Kazuo, Ohara Yuki, Yusa Shin-ichi
POLYMER JOURNAL   48(10) 999-1005   Oct 2016   [Refereed]
Fujihara Ami, Itsuki Kohei, Shimada Naohiko, Maruyama Atsushi, Sagawa Naoya, Shikata Toshiyuki, Yusa Shin-Ichi
JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY   54(18) 2845-2854   Sep 2016   [Refereed]
P. Parekh, S. Ohno, S. Yusa, Emílio V. Lage, Matilde Casas, I. Sández-Macho, V. K. Aswal, P. Bahadur
Journal of Physical Chemistry B   120 7569-7578   Aug 2016
© 2016 American Chemical Society. The triblock Pluronic F127 was modified by introducing poly(N-isopropylacrylamide) (PNIPAM) at both the poly(ethylene oxide) ends, and the pentablock copolymer so-prepared was characterized by gel permeation chrom...
Yee Min Min, Tsubone Miyabi, Morita Takuya, Yusa Shin-ichi, Nakashima Kenichi
JOURNAL OF LUMINESCENCE   176 318-323   Aug 2016   [Refereed]
Iwanowska Agnieszka, Yusa Shin-Ichi, Nowakowska Maria, Szczubialka Krzysztof
JOURNAL OF SEPARATION SCIENCE   39(15) 3072-3080   Aug 2016   [Refereed]
Nguyen Cuong V., Yusa Shin-ichi, Chi Minh Phan
JOURNAL OF CHEMICAL ENGINEERING OF JAPAN   49(7) 714-719   Jul 2016   [Refereed]
Viswanathan Geetha, Hsu Yu-Hsuan, Voon Siew Hui, Imae Toyoko, Siriviriyanun Ampornphan, Lee Hong Boon, Kiew Lik Voon, Chung Lip Yong, Yusa Shin-ichi
MACROMOLECULAR BIOSCIENCE   16(6) 882-895   Jun 2016   [Refereed]
Takahashi Rintaro, Sato Takahiro, Terao Ken, Yusa Shin-ichi
MACROMOLECULES   49(8) 3091-3099   Apr 2016   [Refereed]
Ohno Sayaka, Ishihara Kazuhiko, Yusa Shin-ichi
LANGMUIR   32(16) 3945-3953   Apr 2016   [Refereed]
Polyphosphoester-based Paclitaxel Complexes: Biological Evaluation
Hirota Keiji, Hristova Tatyana, Mitova Violeta, Koda Tomoyuki, Fushimi Masahiro, Kuniya Mika, Makino Kimiko, Terada Hiroshi, Cherkezova Rumyana, Yusa Shin-Ichi, Koseva Neli, Troev Kolio
ANTICANCER RESEARCH   36(4) 1613-1620   Apr 2016   [Refereed]
Mizusaki Masanobu, Shimada Yoshihiko, Morishima Yotaro, Yusa Shin-ichi
POLYMERS   8(2)    Feb 2016   [Refereed]
Tetsuo Yazawa, Tadashi Shojo, Masahiro Asahara, Shinichi Yusa, Atushi Mineshige, Yusuke Daiko
Chemistry Letters   45 1099-1101   Jan 2016
© 2016 The Chemical Society of Japan |. This paper describes a new approach to novel protonconducting organic?inorganic nanohybrid materials by surface modification of a large amount of SiOH groups on nanoporous glass with silane coupling reagent ...
S. Yusa, S. Ohno, T. Honda, H. Imoto, Y. Nakao, K. Naka, Y. Nakamura, S. Fujii
RSC Advances   6 73006-73012   Jan 2016
© 2016 The Royal Society of Chemistry. Incompletely condensed (IC) and completely condensed (CC) polyhedral oligomeric silsesquioxanes (POSSs) tethered with hydrophilic poly(ethylene glycol) (PEG) chains were synthesized and used as novel organic-...
Sayaka Ohno, Yoshihiro Tsuda, Keita Nakai, Syuji Fujii, Yoshinobu Nakamura, Shin Ichi Yusa
Chemistry Letters   45 547-549   Jan 2016
© 2016 The Chemical Society of Japan. pH-responsive "liquid marbles" can be prepared by adsorption of a hydrophobic fluorinated fatty acid powder, 2H,2H,3H,3H-heptadecafluoroundecanoic acid (HFUA) onto the surface of water droplet. These stabilize...
S. Nakayama, S. Hamasaki, K. Ueno, M. Mochizuki, S. Yusa, Y. Nakamura, S. Fujii
Soft Matter   12 4794-4804   Jan 2016
© The Royal Society of Chemistry 2016. Submicrometer-sized polystyrene (PS) particles carrying stimuli-responsive poly[2-(diethylamino)ethyl methacrylate] (PDEA) hairs with degrees of polymerization of 30, 60 and 90 were synthesized by dispersion ...
FUJII Syuji, YUSA Shin-ichi, NAKAMURA Yoshinobu
Journal of the Japan Society of Colour Material   89(3) 75-80   2016
'Liquid marbles' are liquid-in-gas dispersed systems: relatively hydrophobic solid particles adsorbed to air-liquid interface stabilize the liquid marbles. The stability and structure of liquid marbles prepared using stimulus-responsive particles ...
Arisaka Yoshinori, Nishijima Yuka, Yusa Shin-ichi, Takeda Naoya
JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION   27(13) 1331-1340   2016   [Refereed]
Fukuda Kenichi, Ishihara Kazuhilco, Morishima Yotaro, Yusa Shin-ichi
KOBUNSHI RONBUNSHU   73(2) 192-197   2016   [Refereed]
Mitova Violeta, Hristova Tatyana, Cherkezova Rumyana, Koseva Neli, Yusa Shin-ichi, Troev Kolio
JOURNAL OF APPLIED POLYMER SCIENCE   132(45)    Dec 2015   [Refereed]
Yamada Shinji, Fujihara Ami, Yusa Shin-ichi, Tanabe Tadao, Kurihara Kazue
LANGMUIR   31(44) 12140-12147   Nov 2015   [Refereed]
Enomoto Ryusuke, Kousaka Shouta, Yusa Shin-ichi
CHEMISTRY LETTERS   44(11) 1491-1493   Nov 2015   [Refereed]
遊佐 真一
ファインケミカル : 調査・資料・報道・抄録   44(11) 39-46   Nov 2015
Takahashi Rintaro, Sato Takahiro, Terao Ken, Yusa Shin-ichi
MACROMOLECULES   48(19) 7222-7229   Oct 2015   [Refereed]
Xie Jing, Nakai Keita, Ohno Sayaka, Butt Hans-Juergen, Koynov Kaloian, Yusa Shin-ichi
MACROMOLECULES   48(19) 7237-7244   Oct 2015   [Refereed]
Nakai Keita, Fujii Syuji, Nakamura Yoshinobu, Yusa Shin-ichi
CHEMISTRY LETTERS   44(8) 1077-1079   Aug 2015   [Refereed]
Gabriela Kania, Urszula Kwolek, Keita Nakai, Shin Ichi Yusa, Jan Bednar, Tomasz Wójcik, Stefan Chłopicki, Tomasz Skórka, Michał Szuwarzyński, Krzysztof Szczubiałka, Mariusz Kepczynski, Maria Nowakowska
Journal of Materials Chemistry B   3 5523-5531   Jul 2015
© The Royal Society of Chemistry. Stable polymersomes with semipermeable membranes were prepared by simple mixing of two oppositely charged diblock copolymers containing zwitterionic and cationic (PMPC20-b-PMAPTAC190) or anionic (PMPC20-b-PAMPS196...
Ami Fujihara, Naohiko Shimada, Atsushi Maruyama, Kazuhiko Ishihara, Keita Nakai, Shin Ichi Yusa
Soft Matter   11 5204-5213   Jul 2015
© The Royal Society of Chemistry. Poly(2-ureidoethyl methacrylate) (PUEM) was prepared via reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization and a post-modification reaction. PUEM shows upper critical soluti...
M. Khimani, S. Yusa, A. Nagae, R. Enomoto, V. K. Aswal, E. Kesselman, D. Danino, P. Bahadur
European Polymer Journal   69 96-109   Jun 2015
© 2015 Elsevier Ltd. Abstract Stimuli responsive double hydrophilic diblock copolymers poly(N-isopropylacrylamide)-b-poly(N,N-dimethylaminopropylacrylamide) (PNIPAM-b-PDMPA) with constant degree of polymerization (DP) of PNIPAM (=127) and varying ...
Nhut Minh Dang, Wen Wen Zhao, Shin Ichi Yusa, Hideyuki Noguchi, Kenichi Nakashima
New Journal of Chemistry   39 4726-4730   Jun 2015
© The Royal Society of Chemistry and the Centre National de la Recherche Scientifique 2015. A cobalt oxide (Co<inf>3</inf>O<inf>4</inf>) hollow nanosphere has been fabricated by templating a micelle of an anionic tri-block copolymer, poly(styrene-...
McNamee Cathy E., Fujii Syuji, Yusa Shin-ichi, Azakami Yuka, Butt Hans-Juergen, Kappl Michael
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS   470 322-332   Apr 2015   [Refereed]
Alam Mohammad Mydul, Hashimoto Kimiko, Yamaguchi Chihiro, Yusa Shin-ichi, Nakashima Kenichi
BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   88(1) 124-126   Jan 2015   [Refereed]
B. Kalaska, E. Sokolowska, K. Kaminski, J. Miklosz, Shin Ichi Yusa, A. Blazejczyk, J. Wietrzyk, I. Kasacka, K. Szczubialka, D. Pawlak, M. Nowakowska, A. Mogielnicki
NSTI: Advanced Materials - TechConnect Briefs 2015   3 278-280   Jan 2015
© 2015 by TechConnect. All rights reserved. Protamine sulfate - A protein isolated from salmons is registered antidote of heparin. It is widely used to restore blood coagulation in case of severe bleedings related to heparin therapy, but may also ...

Misc

 
大塩真穂, 遊佐真一, 小田和裕, 松井龍也
ポリマー材料フォーラム講演予稿集   27th 67   Nov 2018
大塩真穂, 遊佐真一, 石原一彦
高分子学会予稿集(CD-ROM)   67(2) ROMBUNNO.1Pc035   Aug 2018
遊佐真一, 小原由希, AHMED Sana, 松村和明, 石原一彦
高分子学会予稿集(CD-ROM)   67(2) ROMBUNNO.1T08   Aug 2018
松原幸輝, 遊佐真一
高分子学会予稿集(CD-ROM)   67(2) ROMBUNNO.1Pd036   Aug 2018
河田祐希, 児塚翔平, 遊佐真一
高分子学会予稿集(CD-ROM)   67(2) ROMBUNNO.3J13   Aug 2018
SHIRAISHI Keita, ISHIHARA Kazuhiko, YUSA Shin-ichi
KOBUNSHI RONBUNSHU      2018
<p>Amphiphilic diblock copolymer (PMPC-PBMA) composed of biocompatible water-soluble poly(2-methacryloyloxyethyl phosphorylcholine) (PMPC) and hydrophobic poly(n-butyl methacrylate) (PBMA) was synthesized via reversible addition-frag...
遊佐 真一
電気学会研究会資料. OQD = The papers of technical meeting on optical and quantum devices, IEE Japan   2016(34) 15-20   Mar 2016
藤井秀司, 藤井秀司, 笠原萌恵, 秋元信一, 針山孝彦, 高久康春, 遊佐真一, 中村吉伸, 中村吉伸
高分子学会予稿集(CD-ROM)   67(2) ROMBUNNO.2R12   Aug 2018
木下祐介, 遊佐真一, 石原一彦
高分子学会予稿集(CD-ROM)   67(2) ROMBUNNO.2Pb032   Aug 2018
Syuji Fujii, Ko Akiyama, Saori Nakayama, Sho Hamasaki, Shin Ichi Yusa, Yoshinobu Nakamura
Soft Matter   11 572-579   Jan 2015
© The Royal Society of Chemistry 2015. Polystyrene (PS) particles carrying pH- and temperature-responsive poly[2-(dimethylamino)ethyl methacrylate] (PDMA) hairs (PDMA-PS particles) were synthesized by dispersion polymerization. The diameter, diame...
放射光・散乱法を用いた溶液中のDDSナノ粒子の構造解析 ブロック共重合体が水溶液中で形成するミセルの構造解析
佐藤 尚弘, 高橋 倫太郎, 寺尾 憲, 遊佐 真一
日本DDS学会学術集会プログラム予稿集   31回 114-114   Jun 2015
Tetsuo Yazawa, Shoji Miyamoto, Shinichi Yusa, Tetsuro Jin, Atushi Mineshige
Materials Research Bulletin   48 4267-4270   Oct 2013
pH responsive porous glass of which pore radius was ca. 4 nm was successfully obtained by its surface modification with COOH group on its pore surface. Surface modification with COOH group was performed by the hydrolysis of CN group on its pore su...
携帯型自動ELISA分析機の開発と内分泌攪乱物質・ノニルフェノールの測定
武尾 正弘, 早草 奈希, 仁井 翔一, 加藤 太一郎, 根来 誠司, 遊佐 真一, 内海 裕一, 才木 常正
日本生物工学会大会講演要旨集   平成26年度 259-259   Aug 2014
PEGに対する免疫現象であるABC現象の解明に向けた光内核架橋高分子ミセルの作製
白石 貢一, 横山 昌幸, 中井 啓太, 遊佐 真一
日本バイオマテリアル学会大会予稿集   シンポジウム2012 422-422   Nov 2012
SHIMADA Yoshihiko, YUSA Shin-ichi, YAMAMOTO Tohei, MORISHIMA Yotaro
KOBUNSHI RONBUNSHU   64(12) 922-928   Dec 2007
Well-defined poly (N-isopropylacrylamide)-block-poly (acrylic acid) (PNIPAM-b-PAA) was prepared via reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization. The "living" polymerization was evidenced by the fact th...
高密度ポリマーブラシ修飾金ナノ粒子によるタンパク質センシング
折坂 雅樹, 岩崎 泰彦, 川崎 英也, 遊佐 真一
日本バイオマテリアル学会大会予稿集   シンポジウム2012 471-471   Nov 2012
YUSA Shin-ichi
液晶 : 日本液晶学会誌 = Ekisho   16(3) 205-215   Jul 2012
Takeo Masahiro, Hayakusa Natsuki, Nii Shoichi, Kato Dai-ichiro, Negoro Seiji, Yusa Shinichi, Utsumi Yuichi, Saiki Tsunemasa
日本生物工学会大会講演要旨集   66    2014
白石貢一, 伊東聖訓, 仲居啓太, 遊佐真一, 横山昌幸
日本DDS学会学術集会プログラム予稿集   28th 158-158   Jun 2012
横山雄一, 藤井秀司, 宮名利悠軌, 中村吉伸, 遊佐真一, 伊東聖訓
日本接着学会年次大会講演要旨集(CD-ROM)   50th ROMBUNNO.P26B   Jun 2012
Miyamoto Shoji, Mineshige Atsushi, Kobune Masafumi, Yusa Shinichi, Yazawa Tetsuo
Preprints of Annual Meeting of The Ceramic Society of Japan<br>Preprints of Fall Meeting of The Ceramic Society of Japan   2006(0) 615-615   2006
高分子型刺激応答膜は生化学や医療の分野での適用が考えられているが、熱に弱い、水や有機溶媒によって生じる膨潤からの細孔径変化、応答により膜の劣化が激しい等様々な問題が生じている。これらの問題を解決するために本研究では、表面改質した多孔質ガラスの刺激応答膜を創製し、そのpH応答性を検討した。
Itsuro Tomatsu, Akihito Hashidzume, Shin Ichi Yusa, Yotaro Morishima
Macromolecules   38 7837-7844   Sep 2005
A series of random copolymers of sodium acrylate and oligo(ethylene oxide) alkyl ether methacrylates (CnEmMA) with different lengths of ethylene oxide (EO) and alkyl groups were prepared by free-radical copolymerization at varying copolymer compos...
Hideyuki Tateiwa, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   54 194   Dec 2005
Sodium acrylate (AANa) and sodium methacrylate (MANa) were polymerized by reversible addition-fragmentation chain transfer (RAFT) radical polymerization with α -(methyltrithiocarbonate)-S-phenylacetic acid as a water-soluble chain transfer agent i...
伊東聖訓, 伊東聖訓, 遊佐真一, 石原一彦, 金田勇, WINNIK Francoise M.
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.1PH106   May 2012
Sanae Morikawa, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   54 2440   Dec 2005
N-Vinyl-2-pyrrolidone was polymerized by reversible addition-fragmentation chain transfer (RAFT) radical polymerization with α- (methyltrithiocarbonate)-S-phenylacetic acid as a chain transfer agent. The polymerization mechanism was studied with N...
Kenichi Fukuda, Shin Ichi Yusa, Tohei Yamamoto, Kazuhiko Ishihara, Yotaro Morishima
Polymer Preprints, Japan   54 971   Dec 2005
We prepared block copolymers consisted of thermo-responsive block of poly(N,N-diethyl acrylamide) (DEA) and biocompatible hydrophilic block of poly(2-methacryloyloxyethyl phosphorylcholine) (MPC) via reversible addition-fragmentation chain transfe...
Kenichi Fukuda, Shin Ichi Yusa, Makoto Sugahara, Tohei Yamamoto, Yotaro Morishima, Kazunari Akiyoshi, Yasuhiko Iwasaki, Akihiko Watanabe
Polymer Preprints, Japan   54 4215   Dec 2005
We prepared gold nanoparticles coated with thiol end capped polymers of poly(N-isopropyl acrylamide) (pNIPAM-SH) or poly(sodium acrylate) (pAANa-SH). These polymers were prepared by reversible addition-fragmentation chain transfer (RAFT) radical p...
Yoshitane Konishi, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   54 1011   Dec 2005
A series of well-defined diblock copolymers (poly (sodium 2-(acrylamido)-2-methylpropanesulfonate]-block-poly(6-acrylamidohexanoic acid-co-6-[4-(4-methoxy-phenylazo)phenoxy]hexyl methacrylate)) was prepared via reversible addition-fragmentation ch...
Yuusuke Endou, Shin Ichi Yusa
Polymer Preprints, Japan   54 2429   Dec 2005
We performed reversible addition-fragmentation chain transfer (RAFT) radical polymerization of methyl methacrylrate (MMA) using novel chain transfer agents (CTA) at 70°C under Ar atmosphere. CTA2 and 4 which have a cumyl group as a "R" group produ...
Yoshihiko Shimada, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   54 970   Dec 2005
Various water-soluble block copolymers can be prepared via controlled radical polymerization. We prepared a thermo- and pH-responsive water-soluble block copolymer with poly(acrylic acid) and poly(N-isopropylacrylamide) via reversible addition-fra...
Hideyuki Tateiwa, Shin Ichi Yusa, Tohei Yamamoto, Tetsuo Yazawa, Yotaro Morishima
Polymer Preprints, Japan   54 4217   Dec 2005
We studied grafting on the surface of silica nanoparticles via reversible addition-fragmentation chain transfer (RAFT) radical polymerization. A chain transfer agent (CTA) was immobilized to the surface of silica nanoparticles. Infrared spectra an...
Sanae Morikawa, Shin Nichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   54 983   Dec 2005
Thermo- and pH-responsive ABA triblock copolymers have been prepared by reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization. ABA triblock copolymers may form flower-like micelles under acidic condition, and th...
宇田京平, 山川雄大, GHOSH Arjun, 遊佐真一, 猿渡欣幸, 松岡秀樹
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.2PF028   May 2012
大澤一貴, 遊佐真一, 今栄東洋子, 氏原真樹, 原田敦史, 越智可南子, 石原一彦
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.1C11   May 2012
藤井秀司, 横山雄一, 中村吉伸, 遊佐真一, 伊東聖訓
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.3PC051   May 2012
井上正理, 遊佐真一
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.1PC035   May 2012
中村泰之, 中村泰之, LIU Lin, 登阪雅聡, 山子茂, 山子茂, 遊佐真一
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.3PA037   May 2012
Masahiro Takeo, Isao Kawaji, Akihiro Nakasuji, Takaaki Tone, Yoshiaki Ukita, Dai Ichiro Kato, Seiji Negoro, Shinichi Yusa, Makoto Katayama, Yuichi Utsumi
Proceedings of the 16th International Conference on Miniaturized Systems for Chemistry and Life Sciences, MicroTAS 2012   1192-1194   Jan 2012
We developed an automatic analytical system for the determination of an endocrine disrupting chemical, nonylphenol (NP), which employs a competitive Enzyme-Linked ImmunoSorbent Assay (ELISA) using a novel antigen-bound microfilter. The filter was ...
中井啓太, 遊佐真一, 石原一彦
高分子学会予稿集(CD-ROM)   61(1) ROMBUNNO.3PA051   May 2012
Yoshiaki Ukita, Tsukasa Azeta, Saki Kondo, Masahiro Takeo, Shinichi Yusa, Yuzuru Takamura, Tsunemasa Saiki, Yuichi Utsumi
14th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2010, MicroTAS 2010   3 1475-1477   Dec 2010
This paper reports a new type of lab-on-a-CD device with three-dimensional microchannel networks and vertical capillary bundle structures. The device consist of the multiple lab-on-a-CD chips with conventional planer microchannels and vertical mic...
PNIPAAm修飾PAMAM dendronによる金ナノ粒子調製と熱・光応答材料としての利用
越智 可南子, 弓場 英司, 遊佐 真一, 原田 敦史, 河野 健司
日本バイオマテリアル学会大会予稿集   33回 415-415   Nov 2011
Yoshiaki Ukita, Tsukasa Azeta, Saki Kondo, Chiwa Kataoka, Shinichi Yusa, Masahiro Takeo, Yuzuru Takamura, Yuichi Utsumi
14th International Conference on Miniaturized Systems for Chemistry and Life Sciences 2010, MicroTAS 2010   1 345-347   Dec 2010
This paper presents high-sensitivity detection of poly-chrolinatedbiphnenil in three-dimensional lab-on-a-CD, which consist of multiple disks with three-dimensional microchannel networks. To perform the automatic sequencing of competitive protocol...
遊佐 真一
Function & materials   31(10) 54-61   Oct 2011
佐藤 尚弘, 田中 紘平, 遊佐 真一
Function & materials   30(7) 14-19   Jul 2010
NAKASUJI Akihiro, KAWAJI Isao, UKITA Yoshiaki, YUSA Shinichi, KATO Dai-ichiro, TAKEO Masahiro, UTSUMI Yuichi, NEGORO Seiji
日本生物工学会大会講演要旨集   21(0)    Aug 2009
DOI Misato, YUSA Shin-ichi, SHIMADA Yoshihiko, KOUSAKA Shouta
KOBUNSHI RONBUNSHU   67(6) 341-349   2010
A ABC triblock copolymer (PHS18-b-PSS78-b-PVB18) composed of poly(4-hydroxy styrene) (PHS), sodium poly(styrensulfonate) (PSS), and poly(4-vinylbenzoic acid) (PVB) was prepared via reversible a...
Yasuyuki Fukushima, Takeo Watanabe, Ryuji Ohnishi, Hideaki Shiotani, Shota Suzuki, Masamichi Hayakawa, Yusuke Endo, Tomotaka Yamanaka, Shinichi Yusa, Hiroo Kinoshita
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   47 6293-6296   Aug 2008
We developed and evaluated a photoacid generator (PAG)-bonded resist, a chemical amplified (CA) resist for decreasing line edge roughness (LER) and increasing sensitivity in extreme ultraviolet lithography (EUVL) and electron beam (EB) lithography...
高橋 薫, 伊藤 省吾, 遊佐 真一
Reports of Graduate School of Engineering, University of Hyogo   0(62) 13-18   2009
T. Yazawa, T. Shojo, A. Mineshige, S. Yusa, M. Kobune, K. Kuraoka
Fuel Cells Bulletin   2008 12-16   Apr 2008
A proton-conducting solid electrolyte membrane based on polyvinyl phosphonic acid (PVPA) and 3-glycidoxypropyltrimethoxysilane was developed via the sol-gel process. The electrical conductivity of the organically modified membrane obtained with op...
T. Yazawa, T. Shojo, A. Mineshige, S. Yusa, M. Kobune, K. Kuraoka
Solid State Ionics   178 1958-1962   Mar 2008
A proton-conducting solid electrolyte membrane based on polyvinyl phosphonic acid (PVPA) and 3-glycidoxypropyltrimethoxysilane was developed via the sol-gel process. The electrical conductivity of the organically-modified membrane obtained with op...
FUJII Syuji, KAKIGI Yuichi, YAMASHITA Shinji, MURAOKA Masahiro, YUSA Shin-ichi, NAKAMURA Yoshinobu
日本接着学会年次大会講演要旨集   46(0) 21-22   Jun 2008
Yasuyuki Fukkushima, Ryuji Ohnishi, Takeo Watanabe, Hideaki Shiotani, Shouta Suzuki, Masamichi Hayakawa, Yusuke Endo, Tomotaka Yamanaka, Shinichi Yusa, Hiroo Kinoshita
Digest of Papers - Microprocesses and Nanotechnology 2007; 20th International Microprocesses and Nanotechnology Conference, MNC   430-431   Dec 2007
We developed and evaluated the PAG bonded resist that is a CA resist to reduce LER for EUVL. Under EUV exposure, E0 sensitivity of the PAG-bonded resist was 5 mJ/cm2. In order to clarify resolution and LER, EB exposure was performed, and LER of 3....
Yasuyuki Fukushima, Takeo Watanabe, Ryuji Ohnishi, Hideaki Shiotani, Shouta Suzuki, Masamichi Hayakawa, Satoshi Ogi, Yusuke Endo, Tomotaka Yamanaka, Shinichi Yusa, Hiroo Kinoshita
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers   46 6198-6201   Sep 2007
We developed a novel chemically amplified resist to increase sensitivity and reduce line edge roughness (LER) in extreme ultraviolet (EUV) lithography. This resist consists of a base resin of which a photochemical acid generator (PAG) is bonded to...
Tatsuya Endo, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 2953   Dec 2006
A porphyrin-containing chain transfer agent (TPP-CTA) was prepared. N,N-Diethylacrylamide was polymerized by reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization with TPP-CTA. Thermoresponsive behavior of 4-arm...
Makoto Sugahara, Shin Ichi Yusa, Yusuke Kikuchi, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 4975-4976   Dec 2006
pH-responsive block copolymer containing pendent cinnamoyl moieties was prepared by reversible addition-fragmentation chain transfer (RAFT) radical polymerization with hydrophilic PEG chain transfer agent. The block copolymer forms polymer micelle...
FUJII Syuji, KAKIGI Yuichi, MURAOKA Masahiro, NAKAMURA Yoshinobu, YUSA Shin-ichi
日本接着学会年次大会講演要旨集   45(0) 61-62   Jun 2007
Sanae Morikawa, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 3461   Dec 2006
ABA triblock copolymer comprised of poly(methaclylic acid) as "A" and poly(N,N-diethylacrylamide) (pDEA) as "B" was prepared by reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization. Above lower critical solutio...
Hideyuki Tateiwa, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 3183   Dec 2006
Well-defined two kind of amphiphilic block copolymers with different glass transition temperature (Tg) values were prepared by reversible addition-fragmentation chain transfer (RAFT) radical polymerization. The obtained amphiphilic block copolymer...
Yuuichi Yokoyama, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 2609-2610   Dec 2006
We prepared diblock copolymers consisted of polyelectrolyte block and nonionic poly(ethylene glycol) (P G) block by reversible addition-fragmentation chain transfer (RAFT) radical polymerization. Cationic monomer which has a pendent quaternary ami...
Tatsuya Endo, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morisima
Polymer Preprints, Japan   55 383   Oct 2006
A porphyrin-containing chain transfer agent (TPP-CTA) was prepared by condensation reaction between tetrahydroxyphenyl porphyrin and CTA. N'N-Dimethylacrylamide was polymerized by reversible addition-fragmentation chain transfer (RAFT) controlled ...
MPCを親水性ブロックに含む温度応答性高分子ミセル
遊佐 真一, 福田 研一, 遠藤 竜也, 山本 統平, 石原 一彦, 森島 洋太郎
日本バイオマテリアル学会大会予稿集   28回 258-258   Nov 2006
Sanae Morikawa, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 1263   Oct 2006
ABA triblock copolymer comprising of methaclylic acid as "A" and N,N-diethylacrylamide (DEA) as "B" was prepared by reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization. The ABA triblock copolymer was dissolved...
精密合成されたリン脂質ポリマーによる生体機能界面の構築
岩崎 泰彦, 高宮 美香, 岩田 綾子, 遊佐 真一, 秋吉 一成
日本バイオマテリアル学会大会予稿集   28回 313-313   Nov 2006
Kenichi Fukuda, Shin Ichi Yusa, Makoto Sugahara, Tohei Yamamoto, Yotaro Morishima, Kazunari Akiyoshi, Yasuhiko Iwasaki, Akihiko Watanabe
Polymer Preprints, Japan   55 190   Oct 2006
We prepared gold nanoparticles coated with thiol end capped polymers of poly(sodium acrylate) (pAANa-SH) or poly(N-isopropylacrylamide) (pNIPAM-SH). These polymers were prepared by reversible addition-fragmentation chain transfer (RAFT) radical po...
Yuuichi Yokoyama, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 382   Oct 2006
We prepared diblock copolymers consisted of polyelectrolyte block and nonionic poly(ethylene glycol) (PEG) block by reversible addition-fragmentation chain transfer (RAFT) radical polymerization. Anionic monomer, sodium 2-acrylamido-2-methyl-1-pro...
Makoto Sugahara, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 1260   Oct 2006
An amphiphilic block copolymer (PEG-Cin) comprising of hydrophobic block containing cinnamoyl groups and hydrophilic PEG was prepared by reversible addition-fragmentation chain transfer (RAFT) radical polymerization with a PEG-based chain transfer...
Shin Ichi Yusa, Makoto Sugahara, Tohei Yamamoto, Shigeru Yamago, Yotaro Morishima
Polymer Preprints, Japan   55 384   Oct 2006
Stimuli-responsive block copolymers were prepared by macromolecular architecture design by interchange of xanthates (MADIX) and organotellurium- mediated living radical polymerization (TERP). The molecular weight distribution of poly(N-vinylpyrrol...
Shin Ichi Yusa
Polymer Preprints, Japan   55 13-15   Oct 2006
A series of poly([3-(methacryloylamino)propyl]trimethylammonium chloride)-Woc/(-poly(2-(diethylamino)ethyl methacrylate) (MAPTAC m-DEAEMAn) of different block lengths were prepared by reversible addition-fragmentation chain transfer (RAFT) "living...
Hideyuki Tateiwa, Shin Ichi Yusa, Tohei Yamamoto, Yotaro Morishima
Polymer Preprints, Japan   55 607   Oct 2006
Well-defined random copolymer composed of hydrophobic poly (styrene-co-n-butyl methacrylate) (P(S/B),Mn = 6550,M w/Mn = 1.22) was prepared by reversible addition-fragmentation chain transfer (RAFT) radical polymerization. Acrylic acid was polymeri...
Takeo Watanabe, Yasuyuki Fukushima, Hideaki Shiotani, Masamichi Hayakawa, Satoshi Ogi, Yusuke Endo, Tomotaka Yamanaka, Shinichi Yusa, Hiroo Kinoshita
Journal of Photopolymer Science and Technology   19 521-524   Sep 2006
A novel resist system was designed and synthesized to reduce line edge roughness (LER) and increase sensitivity for a resist in extreme ultraviolet lithography (EUV) and electron beam (EB) lithography. A sulfonium salts group was supplied at side ...
Yoshiro Mitsukami, Akihito Hashidzume, Shin ich Yusa, Yotaro Morishima, Andrew B. Lowe, Charles L. McCormick
Polymer   47 4333-4340   May 2006
A series of block copolymers composed of a fixed length of an (ar-vinylbenzyl)trimethylammonium chloride (Q) block (the number average degree of polymerization of the Q block, DPn,Q=57) and varying lengths of an N,N-dimethylvinylbenzylamine (A) bl...
Christy L. Cooper, Ann Goulding, A. Basak Kayitmazer, Serge Ulrich, Serge Stoll, Sibel Turksen, Shin Ichi Yusa, Anil Kumar, Paul L. Dubin
Biomacromolecules   7 1025-1035   Apr 2006
The binding affinities of polyanions for bovine serum albumin in NaCl solutions from I = 0.01-0.6 M, were evaluated on the basis of the pH at the point of incipient binding, converting each such pHc value into a critical protein charge Zc. Analogo...
Shin Ichi Yusa, Kenichi Fukuda, Tohei Yamamoto, Kazuhiko Ishihara, Yotaro Morishima
Biomacromolecules   6 663-670   Mar 2005
To realize safer and effective drug administration, novel well-defined and biocompatible amphiphilic block copolymers containing phospholipid polymer sequences were synthesized. At first, the homopolymer of 2-methacryloyloxyethylphosphorylcholine ...
Jonathan P. McCarney, Robert D. Loflin, Erika Rauk, Shin Ichi Yusa, Christopher P. Palmer
Electrophoresis   26 841-848   Feb 2005
The effect of the conformation of a polymeric pseudostationary phase on performance and selectivity in electrokinetic chromatography was studied using an amphiphilic pH-responsive polymer that forms compact intramolecular aggregates (unimer micell...
Kana Tamano, Toyoko Imae, Shin Ichi Yusa, Yoshihiko Shimada
Journal of Physical Chemistry B   109 1226-1230   Jan 2005
Selective uptake of various dyes into an aggregate of amphiphilic copolymer consisting of a hydrophilic linear polyelectrolyte block and hydrophobic block carrying pendant dendritic moiety has been investigated in water. The copolymer associated i...
Shin Ichi Yusa, Yoshihiko Shimada, Yoshiro Mitsukami, Tohei Yamamoto, Yotaro Morishima
Macromolecules   37 7507-7513   Oct 2004
A water-soluble diblock copolymer was prepared from sodium 2-(acrylamido)-2-methylpropanesulfonate (NaAMPS) and N-isopropylacrylamide (NIPAM) via reversible addition-fragmentation chain transfer (RAFT) controlled radical polymerization. The RAFT "...
Syojo Tadashi, Asahara Masahiro, Kuraoka kouzi, Kobune Masafumi, Mineshige Atsushi, Yusa Shiniti, Yazawa Tetsuo
Preprints of Annual Meeting of The Ceramic Society of Japan<br>Preprints of Fall Meeting of The Ceramic Society of Japan   2005(0) 693-693   2005
固体高分子形燃料電池の電解質にはパーフルオロスルホン酸系の電解質膜が使用されている。しかし、低加湿、100℃以上では著しく導電性が低下する問題がある。そのため耐熱性に優れ、無加湿・低加湿条件でプロトン導電性を有する材料が研究されている。そこで本研究では、新規のプロトン導電性材料として、ゾル-ゲル法によって、シリカ骨格中にポリビニルリン酸(PVPA)をドープさせ、有機-無機ナノハイブリッド膜を作製し、導電率を評価した。得られた膜は80℃、相対湿度90%で1×10-3S/cmの導電率を示した。...
YUSA Shin-ichi, MORISHIMA Yotaro
Oleoscience   5(7) 335-341   2005
Amphiphilic polyelectrolytes or hydrophobically modified polyelectrolytes undergo hydrophobically driven self-association in aqueous media to form, in some cases, well-defined spatial structures on a nanometer scale (nanostructures). This depends ...
Shin Ichi Yusa, Yoshihiko Shimada, Yoshiro Mitsukami, Tohei Yamamoto, Yotaro Morishima
Macromolecules   36 4208-4215   Jun 2003
Well-defined poly(sodium 2-(acrylamido)-2-methylpropanesulfonate-block-sodium 6-acryl-amidohexanoate) (pNaAMPS-AaH) was synthesized by reversible addition-fragmentation chain transfer (RAFT) radical polymerization of sodium 6-acrylamidohexanoate (...
Shin Ichi Yusa, Akihisa Sakakibara, Tohei Yamamoto, Yotaro Morishima
Macromolecules   35 10182-10188   Dec 2002
Reversible induced changes in behavior in water of random of 50 mol % sodium 2-(acrylamido)-2-methylpropanesulfonate (NaAMPS) and 50 mol % 6-acrylamidohexanoic acid (AmH), 8-acrylamidooctanoic acid (AmO), or 11-acrylamidoundecanoic acid (AmU) were...
Masanobu Mizusaki, Shin ichi Yusa, Sachiko Kawanishi, Yotaro Morishima
Polymer   43 5865-5871   Sep 2002
The dissociation of multipolymer aggregates of a cholesterol-bearing polyanion by surfactant micelles in water and the formation of polymer-micelle complexes were investigated using fluorescence techniques. Interchain aggregates of cholesterol res...
YUSA Shin-ichi
Kobunshi   51(12)    Dec 2002
Shin Ichi Yusa, Akihisa Sakakibara, Tohei Yamamoto, Yotaro Morishima
Macromolecules   35 5243-5249   Jun 2002
Reversible pH-induced formation and disruption of a unimolecular micelle (unimer micelle) of a random copolymer of sodium 2-(acrylalnido)-2-methylpropanesulfonate and 11-acrylamidoundecanoic acid (50 mol %) were investigated by static light scatte...
Takashi Kino, Shinjiro Machida, Kazuyuki Horie, Shin Ichi Yusa, Yotaro Morishima
Macromolecular Chemistry and Physics   202 1331-1337   Jun 2001
Nanoscopic aggregation and highly constrained nanoenvironments within bulk films of amphiphilic random copolymers have been studied for the first time by using photochemical hole burning spectroscopy at low temperatures. Films containing sodium su...
Shin Ichi Yusa, Kazumi Kakimoto, Tohei Yamamoto, Yotaro Morishima
Macromolecular Rapid Communications   22 253-256   Feb 2001
Copolymers of cholesteryl 6-methacryloyloxy hexanoate and (1-pyrenemethyl) 6-methacryloyloxy hexanoate were prepared by free radical polymerization, with the amount of (1-pyrenemethyl) 6-methacryloyloxy hexanoate units (fPy) in the polymers rangin...
Shin Ichi Yusa, Mikiharu Kamachi, Yotaro Morishima
Macromolecules   33 1224-1231   Jan 2000
Poly(2-(acrylamido)-2-methylpropanesulfonic acid) sodium salt end-capped with a cholesterol moiety (Chol-PAMPS) was prepared by free radical polymerization of 2-(acrylamido)-2-methylpropane-sulfonic acid (AMPS) initiated by a cholesterol-substitut...
Shin Ichi Yusa, Akihito Hashidzume, Yotaro Morishima
Langmuir   15 8826-8831   Dec 1999
The association behavior of random copolymers of sodium 2-(acrylamido)-2-methylpropanesulfonate (AMPS) and cholesteryl 6-methacryloyloxyhexanoate (Chol-C5-MA) in 0.1 M NaCl aqueous solutions was investigated by quasielastic light scattering and fl...
Takashi Kino, Shinjiro Machida, Kazuyuki Horie, Shin Ichi Yusa, Yotaro Morishima
Macromolecular Chemistry and Physics   200 1535-1541   Jun 1999
The highly constrained microenvironment and the dependence of the structural relaxation and electron-phonon interaction on the distance between the chromophores and the matrix around them in unimolecular micelles (unimers) of amphiphilic random te...
Shin Ichi Yusa, Mikiharu Kamachi, Yotaro Morishima
Journal of Polymer Science, Part A: Polymer Chemistry   37 47-58   Jan 1999
A copolymer of cholesteryl 6-(methacryloyloxy)hexanoate and a small amount of (1-pyrenylmethyl) 6-(methacryloyloxy)hexanoate (Py-C5-MA) was prepared by free radical copolymerization. A copolymer of 1-eicosanylmethacrylate and a small amount of Py-...
Suguru Higashida, Katsura Nishiyama, Shin Ichi Yusa, Yotaro Morishima, Hiroshi Imahori, Takahiro Kaneda, Yoshiteru Sakata
Chemistry Letters   191-192   Jan 1999
Pyromellitimide-linked zincporphyrin dyad was covalently incorporated into hydrophobic cluster of amphiphilic polysulfonate. Accelerated photoinduced electron transfer of the dyad in the copolymer was observed as compared with that of the correspo...
Shin Ichi Yusa, Mikiharu Kamachi, Yotaro Morishima
Langmuir   14 6059-6067   Oct 1998
Polyelectrolytes carrying cholesterol (Chol) pendants were synthesized by free-radical copolymerization of sadium 2-(acrylamido)-2-methylpropanesulfonate with cholesteryl methacrylate (CholMA) or cholesteryl 6-methacryloyloxyhexanoate (Chol-C5-MA)...
Takashi Kino, Shinjiro Machida, Takashi Yamashita, Kazuyuki Horie, Shin Ichi Yusa, Yotaro Morishima
Macromolecular Chemistry and Physics   199 1631-1636   Jan 1998
We studied the highly constraining microenvironment in unimolecular micelles (unimers) of amphiphilic random terpolymers containing sodium sulfonate, cyclododecyl (CD) or lauryl (LA) groups, and a small amount of tetraphenylporphine (H2TPP) moiety...
Suguru Higashida, Katsura Nishiyama, Shin Ichi Yusa, Yotaro Morishima, Jean Marc Janot, Patrick Seta, Hiroshi Imahori, Takahiro Kaneda, Yoshiteru Sakata
Chemistry Letters   381-382   Jan 1998
C60 was covalently incorporated into hydrophobic cluster of amphiphilic polysulfonates. In this cluster C60 chromophores showed extremely blue-shifted fluorescence and no thermally activated delayed fluorescence.
S. Yusa, M. Kamachi, Y. Morishima
Photochemistry and Photobiology   67 519-525   Jan 1998
Photophysical behavior of a zinc(II) tetraphenylporphyrin (ZnTPP) moiety in a copolymer of 0.1 mol % zinc(II) 5-[4-(6-methacryloyloxyhexanoyloxy)phenyl]-10,15,20-triphenylporphynate (ZnTPP-C5-MA) and 99.9 mol % cholesteryl 6-methacryloyloxyhexanat...

Research Grants & Projects

 
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2004 - 2006    Investigator(s): Tetsuo YAZAWA
Recently active researches have been carried out on novel membranes responsive to outer stimulus. Such the membranes are widely applicable for various kinds of fields, for instance drug delivery system, nanomachines, control release etc. Much atte...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(C))
Project Year: 2003 - 2004    Investigator(s): Yotaro MORISHIMA
A hydrophobically modified polysulfonate bearing a small mole percent (5 mol %) of cholesteryl moieties forms an intermolecularly bridged flower micelle in water, arising from intermolecular associations of the polymer-bound cholesteryl groups. Bi...