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1

Nano-Segregation of Squalane between Smectic Layers of Rigid-Rod Polysilane

Tanaka, Takuya, Kato, Itsuki, Okoshi, Kento

Journal:

e-Journal of Surface Science and Nanotechnology

Year:

2015

Language:

english

File:

PDF, 1.53 MB

english, 2015

2

Columnar Liquid Crystals in Polypeptides, 1. Columnar Hexagonal Phase Observed in Lyotropic Solutions of Poly(γ-octadecyl-L-glutamate) Dissolved in Amphiphilic Solvents, Such as Octadecylamine, Octadecyl Alcohol, and Octadecanoic Acid

Junji Watanabe, Koichi Sakajiri, Kento Okoshi, Susumu Kawauchi, Jun Magoshi

Journal:

Macromolecular Chemistry and Physics

Year:

2001

Language:

english

File:

PDF, 152 KB

english, 2001

3

Two-Dimensional Hierarchical Self-Assembly of One-Handed Helical Polymers on Graphite

Shin-ichiro Sakurai, Kento Okoshi, Jiro Kumaki, Eiji Yashima

Journal:

Angewandte Chemie

Year:

2006

Language:

english

File:

PDF, 721 KB

english, 2006

4

A Luminescent Poly(phenylenevinylene)–Amylose Composite with Supramolecular Liquid Crystallinity

Masato Ikeda, Yoshio Furusho, Kento Okoshi, Sayaka Tanahara, Katsuhiro Maeda, Shunsuke Nishino, Tatsuo Mori, Eiji Yashima

Journal:

Angewandte Chemie

Year:

2006

Language:

english

File:

PDF, 435 KB

english, 2006

5

Control of Main-Chain Stiffness of a Helical Poly(phenylacetylene) by Switching On and Off the Intramolecular Hydrogen Bonding through Macromolecular Helicity Inversion

Kento Okoshi, Shin-ichiro Sakurai, Sousuke Ohsawa, Jiro Kumaki, Eiji Yashima

Journal:

Angewandte Chemie

Year:

2006

Language:

english

File:

PDF, 378 KB

english, 2006

6

Supramolecular Helical Structure of the Stereocomplex Composed of Complementary Isotactic and Syndiotactic Poly(methyl methacrylate)s as Revealed by Atomic Force Microscopy

Jiro Kumaki, Takehiro Kawauchi, Kento Okoshi, Hiroshi Kusanagi, Eiji Yashima

Journal:

Angewandte Chemie

Year:

2007

Language:

english

File:

PDF, 511 KB

english, 2007

7

Two-Dimensional Helix-Bundle Formation of a Dynamic Helical Poly(phenylacetylene) with Achiral Pendant Groups on Graphite

Shin-ichiro Sakurai, Sousuke Ohsawa, Kanji Nagai, Kento Okoshi, Jiro Kumaki, Eiji Yashima

Journal:

Angewandte Chemie

Year:

2007

Language:

english

File:

PDF, 606 KB

english, 2007

8

Encapsulation of Fullerenes in a Helical PMMA Cavity Leading to a Robust Processable Complex with a Macromolecular Helicity Memory

Takehiro Kawauchi, Jiro Kumaki, Atsushi Kitaura, Kento Okoshi, Hiroshi Kusanagi, Keita Kobayashi, Toshiki Sugai, Hisanori Shinohara, Eiji Yashima

Journal:

Angewandte Chemie

Year:

2008

Language:

english

File:

PDF, 768 KB

english, 2008

9

Two-Dimensional Hierarchical Self-Assembly of One-Handed Helical Polymers on Graphite

Shin-ichiro Sakurai, Kento Okoshi, Jiro Kumaki, Eiji Yashima

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 722 KB

english, 2006

10

A Luminescent Poly(phenylenevinylene)–Amylose Composite with Supramolecular Liquid Crystallinity

Masato Ikeda, Yoshio Furusho, Kento Okoshi, Sayaka Tanahara, Katsuhiro Maeda, Shunsuke Nishino, Tatsuo Mori, Eiji Yashima

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 436 KB

english, 2006

11

Control of Main-Chain Stiffness of a Helical Poly(phenylacetylene) by Switching On and Off the Intramolecular Hydrogen Bonding through Macromolecular Helicity Inversion

Kento Okoshi, Shin-ichiro Sakurai, Sousuke Ohsawa, Jiro Kumaki, Eiji Yashima

Journal:

Angewandte Chemie International Edition

Year:

2006

Language:

english

File:

PDF, 379 KB

english, 2006

12

Supramolecular Helical Structure of the Stereocomplex Composed of Complementary Isotactic and Syndiotactic Poly(methyl methacrylate)s as Revealed by Atomic Force Microscopy

Jiro Kumaki, Takehiro Kawauchi, Kento Okoshi, Hiroshi Kusanagi, Eiji Yashima

Journal:

Angewandte Chemie International Edition

Year:

2007

Language:

english

File:

PDF, 513 KB

english, 2007

13

Two-Dimensional Helix-Bundle Formation of a Dynamic Helical Poly(phenylacetylene) with Achiral Pendant Groups on Graphite

Shin-ichiro Sakurai, Sousuke Ohsawa, Kanji Nagai, Kento Okoshi, Jiro Kumaki, Eiji Yashima

Journal:

Angewandte Chemie International Edition

Year:

2007

Language:

english

File:

PDF, 607 KB

english, 2007

14

Encapsulation of Fullerenes in a Helical PMMA Cavity Leading to a Robust Processable Complex with a Macromolecular Helicity Memory

Takehiro Kawauchi, Jiro Kumaki, Atsushi Kitaura, Kento Okoshi, Hiroshi Kusanagi, Keita Kobayashi, Toshiki Sugai, Hisanori Shinohara, Eiji Yashima

Journal:

Angewandte Chemie International Edition

Year:

2008

Language:

english

File:

PDF, 768 KB

english, 2008

15

The Christiansen effect of brightly colored colloidal dispersion with an amphiphilic polymer

Kento Okoshi, Naoko Sano, Takamitsu Okumura, Akihiro Tagaya, Jun Magoshi, Yasuhiro Koike, Michiya Fujiki, Junji Watanabe

Journal:

Journal of Colloid and Interface Science

Year:

2003

Language:

english

File:

PDF, 170 KB

english, 2003

16

Weak noncovalent Si···FC interactions stabilized fluoroalkylated rod-like polysilanes as ultrasensitive chemosensors

Anubhav Saxena, Roopali Rai, Sun-Young Kim, Michiya Fujiki, Masanobu Naito, Kento Okoshi, Giseop Kwak

Journal:

Journal of Polymer Science Part A: Polymer Chemistry

Year:

2006

Language:

english

File:

PDF, 889 KB

english, 2006

17

AFM Study of Two-Dimensional Epitaxial Arrays of Poly(γ-l-glutamates) with Long n-Alkyl Side Chains on Graphite

Imase, Tatsuya, Ohira, Akihiro, Okoshi, Kento, Sano, Naoko, Kawauchi, Susumu, Watanabe, Junji, Kunitake, Masashi

Journal:

Year:

2003

Language:

english

File:

PDF, 295 KB

english, 2003

18

Visualization of Polymer Chain Conformations in Amorphous Polyisocyanide Langmuir−Blodgett Films by Atomic Force Microscopy

Kumaki, Jiro, Kajitani, Takashi, Nagai, Kanji, Okoshi, Kento, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2010

Language:

english

File:

PDF, 253 KB

english, 2010

19

Unexpected Thermally Stable, Cholesteric Liquid-Crystalline Helical Polyisocyanides with Memory of Macromolecular Helicity

Yoko Hase, Yuuki Mitsutsuji, Masayoshi Ishikawa, Katsuhiro Maeda, Kento Okoshi, Eiji Yashima

Journal:

Chemistry – An Asian Journal

Year:

2007

Language:

english

File:

PDF, 458 KB

english, 2007

20

Cover Picture: Unexpected Thermally Stable, Cholesteric Liquid-Crystalline Helical Polyisocyanides with Memory of Macromolecular Helicity (Chem. Asian J. 6/2007)

Yoko Hase, Yuuki Mitsutsuji, Masayoshi Ishikawa, Katsuhiro Maeda, Kento Okoshi, Eiji Yashima

Journal:

Chemistry – An Asian Journal

Year:

2007

Language:

english

File:

PDF, 254 KB

english, 2007

21

Unusual chain configuration of main-chain liquid crystal polyesters having Y-shaped mesogens in nematic phase

Masatoshi Tokita, Kazuya Kato, Ryohei Ishige, Shuhei Okuda, Susumu Kawauchi, Kento Okoshi, Sungmin Kang, Junji Watanabe

Journal:

Year:

2011

Language:

english

File:

PDF, 748 KB

english, 2011

22

Double-Stranded Helical Polymers Consisting of Complementary Homopolymers

Maeda, Takeshi, Furusho, Yoshio, Sakurai, Shin-Ichiro, Kumaki, Jiro, Okoshi, Kento, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2008

Language:

english

File:

PDF, 927 KB

english, 2008

23

Helical Polymer Command Surface: Thermodriven Chiroptical Transfer and Amplification in Binary Polysilane Film System

Saxena, Anubhav, Guo, Guangqing, Fujiki, Michiya, Yang, Yonggang, Ohira, Akihiro, Okoshi, Kento, Naito, Masanobu

Journal:

Year:

2004

Language:

english

File:

PDF, 63 KB

english, 2004

24

Helix-Sense Controlled Polymerization of a Single Phenyl Isocyanide Enantiomer Leading to Diastereomeric Helical Polyisocyanides with Opposite Helix-Sense and Cholesteric Liquid Crystals with Opposite Twist-Sense

Kajitani, Takashi, Okoshi, Kento, Sakurai, Shin-ichiro, Kumaki, Jiro, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2006

Language:

english

File:

PDF, 150 KB

english, 2006

25

Synthesis of One-Dimensional Metal-Containing Insulated Molecular Wire with Versatile Properties Directed toward Molecular Electronics Materials

Masai, Hiroshi, Terao, Jun, Seki, Shu, Nakashima, Shigeto, Kiguchi, Manabu, Okoshi, Kento, Fujihara, Tetsuaki, Tsuji, Yasushi

Journal:

Journal of the American Chemical Society

Year:

2014

Language:

english

File:

PDF, 1.14 MB

english, 2014

26

Latticelike Smectic Liquid Crystal Phase in a Rigid-Rod Helical Polyisocyanide with Mesogenic Pendants

Kajitani, Takashi, Onouchi, Hisanari, Sakurai, Shin-ichiro, Nagai, Kanji, Okoshi, Kento, Onitsuka, Kiyotaka, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2011

Language:

english

File:

PDF, 2.56 MB

english, 2011

27

Alternating Thick and Thin Layers Observed in the Smectic Phase of Binary Mixtures of Rigid-Rod Helical Polysilanes with Different Molecular Lengths

Okoshi, Kento, Watanabe, Junji

Journal:

Year:

2010

Language:

english

File:

PDF, 3.41 MB

english, 2010

28

Uniaxial Orientation of a Rodlike Helical Poly(phenylacetylene) in an Electric Field

Okoshi, Kento, Kajitani, Takashi, Nagai, Kanji, Yashima, Eiji

Journal:

Year:

2008

Language:

english

File:

PDF, 234 KB

english, 2008

29

Unusual Swelling of HPC in Toluene Forming a Microspherical Domain Structure that Causes Christiansen Scattering Coloration

Edo, Susumu, Okoshi, Kento, Kang, Sungmin, Tokita, Masatoshi, Kaneko, Tatsuo, Watanabe, Junji

Journal:

Year:

2010

Language:

english

File:

PDF, 1.87 MB

english, 2010

30

Helical Polyisocyanides with Fan-Shaped Pendants

Kajitani, Takashi, Lin, Hongzhen, Nagai, Kanji, Okoshi, Kento, Onouchi, Hisanari, Yashima, Eiji

Journal:

Year:

2009

Language:

english

File:

PDF, 1.38 MB

english, 2009

31

Synthesis of Organic-Soluble Conjugated Polyrotaxanes by Polymerization of Linked Rotaxanes

Terao, Jun, Tsuda, Susumu, Tanaka, Yuji, Okoshi, Kento, Fujihara, Tetsuaki, Tsuji, Yasushi, Kambe, Nobuaki

Journal:

Journal of the American Chemical Society

Year:

2009

Language:

english

File:

PDF, 1.21 MB

english, 2009

32

Stereocomplex Formation of Isotactic and Syndiotactic Poly(methyl methacrylate)s in Ionic Liquids Leading to Thermoreversible Ion Gels

Kawauchi, Takehiro, Kumaki, Jiro, Okoshi, Kento, Yashima, Eiji

Journal:

Year:

2005

Language:

english

File:

PDF, 422 KB

english, 2005

33

Mechanism of Helix Induction in Poly(4-carboxyphenyl isocyanide) with Chiral Amines and Memory of the Macromolecular Helicity and Its Helical Structures

Hase, Yoko, Nagai, Kanji, Iida, Hiroki, Maeda, Katsuhiro, Ochi, Noriaki, Sawabe, Kyoichi, Sakajiri, Koichi, Okoshi, Kento, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2009

Language:

english

File:

PDF, 3.83 MB

english, 2009

34

Entropically-Driven Formation of Smectic A1, A2, and A3 phases in Binary Mixtures of Rigid-Rod Helical Polysilanes with Different Molecular Weights

Okoshi, Kento, Suzuki, Akiko, Tokita, Masatoshi, Fujiki, Michiya, Watanabe, Junji

Journal:

Year:

2009

Language:

english

File:

PDF, 1.81 MB

english, 2009

35

Hierarchical Amplification of Macromolecular Helicity in a Lyotropic Liquid Crystalline Charged Poly(phenylacetylene) by Nonracemic Dopants in Water and Its Helical Structure

Nagai, Kanji, Sakajiri, Koichi, Maeda, Katsuhiro, Okoshi, Kento, Sato, Takahiro, Yashima, Eiji

Journal:

Year:

2006

Language:

english

File:

PDF, 547 KB

english, 2006

36

Well-Defined Phase Sequence Including Cholesteric, Smectic A, and Columnar Phases Observed in a Thermotropic LC System of Simple Rigid-Rod Helical Polysilane

Okoshi, Kento, Kamee, Hiroyuki, Suzaki, Goro, Tokita, Masatoshi, Fujiki, Michiya, Watanabe, Junji

Journal:

Year:

2002

Language:

english

File:

PDF, 136 KB

english, 2002

37

Helical Structure of Liquid Crystalline Poly( N -((4- n -butylphenyl)diphenylmethyl) methacrylamide)

Nagai, Kanji, Okoshi, Kento, Sakurai, Shin-ichiro, Banno, Motonori, Azam, A. K. M. Fakhrul, Kamigaito, Masami, Okamoto, Yoshio, Yashima, Eiji

Journal:

Year:

2010

Language:

english

File:

PDF, 2.61 MB

english, 2010

38

Two- and Three-Dimensional Smectic Ordering of Single-Handed Helical Polymers

Onouchi, Hisanari, Okoshi, Kento, Kajitani, Takashi, Sakurai, Shin-ichiro, Nagai, Kanji, Kumaki, Jiro, Onitsuka, Kiyotaka, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2008

Language:

english

File:

PDF, 696 KB

english, 2008

39

Novel Molecular Weight and Solvatochromisms in Poly(methyl-3,3,3-trifluoropropylsilane) Induced by Cooperative Through-Space Si···F−C Interactions

Saxena, Anubhav, Fujiki, Michiya, Naito, Masanobu, Okoshi, Kento, Kwak, Giseop

Journal:

Year:

2004

Language:

english

File:

PDF, 141 KB

english, 2004

40

Helix-Sense-Controlled Polymerization of Optically Active Phenyl Isocyanides

Kajitani, Takashi, Okoshi, Kento, Yashima, Eiji

Journal:

Year:

2008

Language:

english

File:

PDF, 289 KB

english, 2008

41

Two-Dimensional Surface Chirality Control by Solvent-Induced Helicity Inversion of a Helical Polyacetylene on Graphite

Sakurai, Shin-ichiro, Okoshi, Kento, Kumaki, Jiro, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2006

Language:

english

File:

PDF, 252 KB

english, 2006

42

Asymmetrically Tilted Alignment of Rigid-Rod Helical Polysilanes on a Rubbed Polyimide Surface

Okoshi, Kento, Fujiki, Michiya, Watanabe, Junji

Journal:

Year:

2012

Language:

english

File:

PDF, 4.53 MB

english, 2012

43

Anomalous Stiff Backbones of Helical Poly(phenyl isocyanide) Derivatives

Okoshi, Kento, Nagai, Kanji, Kajitani, Takashi, Sakurai, Shin-ichiro, Yashima, Eiji

Journal:

Year:

2008

Language:

english

File:

PDF, 593 KB

english, 2008

44

Spectroscopic Evidence of Si−H End Groups in Dialkylpolysilanes Synthesized via Wurtz Coupling

Saxena, Anubhav, Okoshi, Kento, Fujiki, Michiya, Naito, Masanobu, Guo, Guangqing, Hagihara, Takahiro, Ishikawa, Masaaki

Journal:

Year:

2004

Language:

english

File:

PDF, 59 KB

english, 2004

45

Enantiomer-Selective and Helix-Sense-Selective Living Block Copolymerization of Isocyanide Enantiomers Initiated by Single-Handed Helical Poly(phenyl isocyanide)s

Wu, Zong-Quan, Nagai, Kanji, Banno, Motonori, Okoshi, Kento, Onitsuka, Kiyotaka, Yashima, Eiji

Journal:

Journal of the American Chemical Society

Year:

2009

Language:

english

File:

PDF, 5.43 MB

english, 2009

46

Well-Defined Lyotropic Liquid Crystalline Properties of Rigid-Rod Helical Polyacetylenes

Okoshi, Kento, Sakajiri, Koichi, Kumaki, Jiro, Yashima, Eiji

Journal:

Year:

2005

Language:

english

File:

PDF, 248 KB

english, 2005

47

Two-Dimensional Bilayer Smectic Ordering of Rigid Rod−Rod Helical Diblock Polyisocyanides

Banno, Motonori, Wu, Zong-Quan, Nagai, Kanji, Sakurai, Shin-ichiro, Okoshi, Kento, Yashima, Eiji

Journal:

Year:

2010

Language:

english

File:

PDF, 6.63 MB

english, 2010

48

Small-Angle X-Ray Analysis of Smectic a Cholesteric Liquid Crystal Phase Transition in Rigid-Rod Helical Polysilane

Okoshi, Kento, Saxena, Anubhav, Fujiki, Michiya, Suzaki, Goro, Watanabe, Junji, Tokita, Masatoshi

Journal:

Molecular Crystals and Liquid Crystals

Year:

2004

Language:

english

File:

PDF, 197 KB

english, 2004

49

Room-temperature one-step immobilization of rod-like helical polymer onto hydrophilic substratesElectronic Supplementary Information (ESI) available: Preparation of PDBS and monomer, a mechanism for the formation of Si?H and/or Si?OR end groups in PDBS synthesis, FT-IR chart of PDBS (Mw = 6500, Mw/Mn = 1.16), comparision of UV spectra of spin-coated sample before and after washing and comparison of UV spectra of end-gratfted sample before and after it was immersed in n-hexane overnight. See http://www.rsc.org/suppdata/cc/b3/b310985b/

Guo, Guangqing, Naito, Masanobu, Fujiki, Michiya, Saxena, Anubhav, Okoshi, Kento, Yang, Yonggang, Ishikawa, Masaaki, Hagihara, Takahiro

Journal:

Chemical Communications

Year:

2004

Language:

english

File:

PDF, 254 KB

english, 2004

50

Liquid crystal formation of RecA?DNA filamentous complexes

Okoshi, Kento, Nishinaka, Taro, Doi, Yuko, Hara, Reiko, Hashimoto, Makiko, Yashima, Eiji

Journal:

Chemical Communications

Year:

2007

Language:

english

File:

PDF, 373 KB

english, 2007