Papers - YOSHIMIZU Hiroaki

Continuous Nanospace in Nanoporous Liquid Crystal Investigated by 129Xe NMR Spectroscopy Reviewed

河野慎一郎(名古屋大学)、吉水広明(名古屋工業大学)、田中健太郎＊(名古屋大学) (＊は、責任著者)

Angewandte Chemie International Edition   63   e202316523 (1 of 5)   2023.11

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DOI： 10.1002/anie.202316523

NMR Spectral Observations of the Gases in Polymer Materials Invited Reviewed International journal

Hiroaki YOSHIMIZU

Experimental Approaches of NMR Spectroscopy Methodology and Application to Life Science and Materials Science   365 - 381   2017.11

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Authorship：Lead author   Language：English   Publishing type：Research paper (scientific journal)   Publisher：Springer Nature Singapore Pte Ltd.  

The gas transport properties of polymeric materials, including sorption, diffusion, and permeation, are closely related to the structural characteristics of the polymers. As a result, the analysis of polymers exposed to certain gases by NMR spectroscopy can determine detailed correlations between gas sorption and diffusion in the polymer and high-order structurers. One such method involving the analysis of 129Xe NMR chemical shifts is presented herein. This chapter also discusses the estimation of gas diffusion properties from the peak widths in the NMR spectra of polymers, as well as from data generated using pulsed field gradient NMR.

DOI： 10.10.1007/978-981-10-5966-7_17

Gas Transport Properties of the Crystalline Phase Controlled Its Orientation of Poly(4-methyl-1-pentene) Invited Reviewed

Hiroaki YOSHIMIZU, Yuki OKUMURA

KOBUNSHI RONBUNSHU   71 ( 11 )   601 - 607   2014.11

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DOI： 10.1295/koron.71.601

Magnetic Orientation and Gas Diffusion Properties if Layered Structures of Liquid Crystalline Copolyesters with Alkyl Side Chains of Different Length Invited Reviewed

Hiroaki YOSHIMIZU, Toshihito KARAKASA

KOBUNSHI RONBUNSHU   71 ( 7 )   325 - 333   2014.07

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DOI： 10.1295/koron.71.325

Temperature dependence of the mean size of polyphenyleneoxide microvoids, as studied by Xe sorption and ¹²⁹Xe NMR chemical shift analyses Reviewed

Hiroaki Yoshimizu, Satoshi Ohta, Tomoko Asano, Tomoyuki Suzuki, Yoshiharu Tsujita

Polymer Journal   44 ( 8 )   821 - 826   2012.08

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¹²⁹Xe NMR spectra of ¹²⁹Xe in polyphenyleneoxide, PPO were measured at various temperatures below Tg. From the analysis of ¹²⁹Xe NMR chemical shifts, the mean volume of individual microvoids in PPO, v could be determined. The temperature when value of v becomes same as a Xe atom, was very close to Tg of PPO. Temperature dependence of individual microvoid’s volume was very similar with that of C_H′, which is obtained by dual-mode sorption model from Xe sorption isotherms and is corresponding to the unrelaxed volume of PPO in the glassy state.

DOI： 10.1038/pj.2012.123

Characterization of the microvoids of a tetramethyl polycarbonate/polystyrene blend system using Xe sorption measurements and ¹²⁹Xe NMR spectroscopy Reviewed

Hiroaki Yoshimizu, Takafumi Murakami, Tomoyuki Suzuki, Yoshiharu Tsujita

Polymer Journal   44 ( 8 )   827 - 831   2012.08

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Xe sorption properties of tetramethyl bisphenol A polycarbonate (TMPC)/polystyrene (PS) blends indicated the reduction of microvoids by blending. From the analysis of ¹²⁹Xe NMR chemical shifts of the ¹²⁹Xe in these blends, the mean volume of individual microvoids (v) was calculated. The v values for these blends were smaller than those of predicted by a simple additive rule, as well as the cases of variation of density and Xe sorption properties. This fact indicates that the volume contraction induced by blending for TMPC/PS blends is mainly attributed to contraction volume of individual microvoids.

DOI： 10.1038/pj.2012.128

Characterizations of gas diffusion properties of polyphenyleneoxide in several glassy states by means of NMR spectroscopy Reviewed

Hiroaki Yoshimizu, Masahiro Okazawa, Satoshi Jinno, Tomoko Asano, Tomoyuki Suzuki

Kobunshi Ronbunshu   69 ( 7 )   424 - 434   2012.07

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DOI： 10.1295/koron.69.424

Dependence of the Amount of Xe Sorption on the ¹²⁹Xe NMR Chemical Shift in Glassy Polymers Reviewed

Hiroaki YOSHIMIZU

In NMR Spectroscopy of Polymers: Innovative Strategies for Complex Macromolecules; H. Cheng, et al.; ACS Symposium Series 1077; American Chemical Society: Washington, DC, 2011.   1077   509 - 523   2011.05

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種々の高分子固体の分子凝集状態をXe-129 NMR法から評価し得ることを解説した．具体的には，Xe-129 NMR化学シフト値から，ガラス状高分子のミクロボイドの平均サイズを推定できる事実とその精度を紹介し，新規な高分子固体の構造解析法として有用であることを主張した．

DOI： 10.1021/bk-2011-1077.ch031

Gas Transport Properties of n-Alkylated Liquid Crystalline Aromatic Polyester Oriented by Magnetic Field Reviewed

H. Yoshimizu, S. Ono, M. Mizusaki, T. Karakasa

Kobunshi Ronbunshu   66 ( 12 )   605 - 611   2009.12

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DOI： 10.1295/koron.66.605

Enhancement of Gas Permeability in HPC, CTA, and PMMA under Microwave Irradiation Reviewed

Y. Nakai, H. Yoshimizu, Y. Tsujita

Polymer Journal   38 ( 4 )   376 - 380   2006.04

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双極子を有する種々の高分子膜のマイクロ波照射による気体透過性制御を検討したところ，最適な気体分子サイズと試料膜の緻密さとの間に相関関係のあることが明らかとなった．

DOI： 10.1295/polymj.38.376

Enhanced gas permeability of cellulose acetate membranes under microwave irradiation

Y. Nakai, H. Yoshimizu, Y. Tsujita

Journal of Membrane Science   256 ( 10 )   72 - 77   2005.10

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セルロースアセテート膜のマイクロ波照射による気体透過性制御を詳しく検討したところ，気体分子サイズに最適値のあることが明らかとなった．

DOI： 10.1016/j.memsci.2005.02.008

Study on -form complex in syndiotactic polystyrene-organic molecules systems. IV. Formation of complexes with a mixture of solvents and structural changes during the sorption of solvents by syndiotactic polystyrene mesophase membranes International coauthorship

K.P.O. Mahesh, Y. Tsujita, H. Yoshimizu, S. Okamoto, D.R. Mohan

Journal of Polymer Science, Polymer Physics   43 ( 9 )   2380 - 2387   2005.09

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シンジオタクチックポリスチレンのメゾフェイズ構造から芳香族炭化水素系混合溶媒の収着による再コンプレックス結晶化を検討し，メゾフェイズ相への選択的収着挙動を明らかにした．

DOI： 10.1002/polb.20518

Structure and properties of the -form and mesophase of syndiotactic polystyrene membranes prepared from different organic solvents International coauthorship

M. Sivakumar, K.P.O. Mahesh, Y. Yamamoto, H. Yoshimizu, Y. Tsujita

Journal of Polymer Science, Polymer Physics   43 ( 9 )   1873 - 1880   2005.09

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種々の有機溶媒分子をゲストとするシンジオタクチックポリスチレンのコンプレックス結晶からメゾフェイズ構造を調製し，微細構造の解析を行なった．コンプレックス結晶における分子鎖間距離の若干の違いがメゾフェイズ構造に反映されていることを明らかにした．

DOI： 10.1002/polb.20474

Characterization and transport properties of a novel aliphatic polyamide with an ethyl branch

K. Kanekura, Y. Tsujita, H. Yoshimizu, S. Okamoto, H. Kunisada, M. Goto

Journal of Applied Polymer Science   98 ( 8 )   1955 - 1960   2005.08

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短い分岐構造を持つ新種のポリアミドを調製し，その構造並びに気体輸送特性を検討した．分岐の無い通常のポリアミド(ナイロン)と比べ，密度や溶解性に違いが観察された．

DOI： 10.1002/app.22368

Structure and gas sorption properties of an aromatic polyamide with long alkyl side chains Reviewed

H. Takashima, S. Okamoto, H. Yoshimizu, Y. Tsujita

Journal of Applied Polymer Science   97 ( 5 )   1771 - 1775   2005.05

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柔軟なアルキル側鎖を有する全芳香族ポリアミドは，主鎖と側鎖が交互に積層した層状構造を形成し，これを条件を選んでイミド化すると，比較的大きな気体収着サイトとしての微小空間，即ちミクロボイドを形成する性質を明らかにした．

DOI： 10.1002/app.21586

Smart membrane: preparation of molecular cavity and preferential sorption of small molecule Invited Reviewed

Y. Tsujita, H. Yoshimizu, S. Okamoto

Journal of molecular structure   739 ( 1-3 )   3 - 12   2005.02

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“分子キャビティー”を制御した高度な分離性能を期待される膜，「スマートメンブレン」の分子設計思想及び，シンジオタクチックポリスチレンなどの実例を紹介した．

DOI： 10.1016/j.molstruc.2004.07.043

Layered structure and Xe sorption and diffusion properties of low-density liquid-crystalline polyester with n-alkyl side chains Reviewed

H. Yoshimizu, M. Tsukahara, T. Suzuki, J. Toida, A. Ando, J. Watanabe, Y. Tsujita

Journal of molecular structure   739   19 - 26   2005.02

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柔軟なアルキル側鎖を有する液晶性全芳香族ポリエステルは，主鎖と側鎖が交互に積層した層状構造を形成する．このポリエステルの構造と気体収着特性の関係を調べた．アルキル側鎖の炭素数に比例して層間隔が広がるが，気体の溶解性と拡散性は層状構造の特徴が反映され，相反関係にあることが分かった．

DOI： 10.1016/j.molstruc.2004.07.044

Structure and properties of the mesophase of syndiotactic polystyrene V: preferential sorption performance of the mesophase for aromatic hydrocarbons Reviewed

Y. Yamamoto, Y. Nakai, T. Katsumata, K. Tsutsui, Y. Tsujita, H. Yoshimizu, S. Okamoto

Journal of molecular structure   739 ( 1-3 )   13 - 17   2005.02

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シンジオタクチックポリスチレンが形成する“分子キャビティー”含有メゾフェイズ構造に対する芳香族炭化水素系混合溶媒の収着現象を検討し，メゾフェイズ相への選択的収着挙動を明らかにした．

DOI： 10.1016/j.molstruc.2004.08.026

Structure and Properties of the Mesophase of Syndiotactic Polystyrene Membrane-VII. Isothermal Sorption Behavior of Xenone Reviewed International journal

M.Sivakumar, T.Suzuki, Y.Yamamoto, K.P.O.Mahesh, H.Yoshimizu, Y.Tsujita

Journal of Membrane Science   238 ( 1-2 )   75 - 81   2004.07

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シンジオタクチックポリスチレンが形成する“分子キャビティー”含有メゾフェイズ構造をXe収着実験および129Xe NMR法から検討した．メゾフェイズ構造含有試料膜におけるXe収着サイトとしてのミクロボイドは量も多くサイズも大きなことが明らかとなり，“分子キャビティー”の存在を再確認できた．

DOI： 10.1016/j.memsci.2004.03.022

Structure and properties of the mesophase of syndiotactic polystyrene. III. Selective sorption of the mesophase of syndiotactic polystyrene Reviewed International journal

S. Mohri, D. Amutharani, Y. Yamamoto, Y. Tsujita, H. Yoshimizu

Journal of Polymer Science, Polymer Physics   42 ( 2 )   238 - 245   2004.02

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シンジオタクチックポリスチレンが形成する“分子キャビティー”含有メゾフェイズ構造の有機蒸気収着現象を検討した．試料膜の非晶相への収着挙動は，溶解型であるのに対し，メゾフェイズ相のそれはラングミュア的であった．また，メゾフェイズの微細構造は，その前駆体であるコンプレックス結晶におけるゲスト分子の形状・サイズに依存して異なるが，メゾフェイズ

DOI： 10.1002/polb.10687

Structure and properties of the mesophase of syndiotactic polystyrene. IV. Release of guest molecules from -form of syndiotactic polystyrene by time resolved FT-IR and WAXD measurements Reviewed

A. Saitoh, D. Amutharani, Y. Yamamoto, Y. Tsujita, H. Yoshimizu, S. Okamoto

Polymer Journal   35 ( 11 )   868 - 871   2003.11

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シンジオタクチックポリスチレンが形成するメゾフェイズ構造の熱安定性並びに結晶転移現象をIR及びWAXD法で検討した．コンプレックス型結晶と比べ，メゾフェイズ構造の熱安定性は劣るが，これは“分子キャビティー”の存在で説明可能であった．

DOI： 10.1295/polymj.35.868

Analysis of gas transport properties of PPO/PS blends by 129Xe NMR spectroscopy Reviewed

T. Suzuki, H. Yoshimizu, Y. Tsujita

Polymer   44 ( 10 )   2975 - 2982   2003.10

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相容性ポリマーブレンドであるPPO/PS系を対象に，これに収着したXe核のNMR化学シフトを求め，解析したところ，ブレンドによる体積収縮が確認できた．これは気体輸送特性から導かれる結論と一致していた．

Study on -form complex in syndiotactic polystyrene-organic molecules system II. Structural investigation of the -form with p- and m-xylene isomers Reviewed

M. Sivakumar, Y. Yamamoto, D. Amutharani, Y. Tsujita, H. Yoshimizu, T. Kinoshita

Journal of Applied Polymer Science   89 ( 7 )   2882 - 2887   2003.07

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パラ及びメタ体キシレンの混合溶液から調製されたシンジオタクチックポリスチレン(sPS)試料膜中には，キシレン異性体が混在しているコンプレックス型結晶を形成していたが，sPS鎖間距離は優先的に取り込まれている異性体の性質を反映し，不連続に変化していた．

Study on -form complex in syndiotactic polystyrene- organic molecules system III. Fine structures of complexes with xylene isomers by means of high-resolution solid-state 13C NMR spectroscopy Reviewed

Y. Yamamoto, M. Kishi, D. Amutharani, M. Sivakumar, Y. Tsujita, H. Yoshimizu

Polymer Journal   35 ( 5 )   465 - 469   2003.05

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シンジオタクチックポリスチレンが形成するコンプレックス型の結晶構造の微細構造解析を固体高分解能13C NMR法で検討した．コンプレックス型結晶にゲストとして包接されているキシレン分子異性体の存在状態の詳細な相違を明らかにした．

Effect of microwave irradiation on CO2 permeability in cellulose acetate membranes Reviewed

Y. Tsujita, Y. Nakai, H. Yoshimizu, M. Yamauchi

ACS Symposium Series   876   300 - 310   2003.05

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セルロースアセテート膜の気体透過時にマイクロ波を照射したところ，透過特性が向上した．この現象はポリスチレン膜では見られず，セルロースに含まれる水酸基とマイクロ波との相互作用に基づくものであることを明らかにした．

Structure, gas sorption, and gas diffusion of a low density liquid crystalline polyester Reviewed

(M. Tsukahara, Y. Tsujita, H. Yoshimizu, T. Kinoshita

ACS Symposium Series   876   129 - 138   2003.05

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柔軟なアルキル側鎖を有する液晶性全芳香族ポリエステルは，主鎖と側鎖が交互に積層した層状構造を形成する．このポリエステルの気体収着特性を調べたところ，層状構造の特徴が反映されていた．

Structure and properties of the mesophase of syndiotactic polystyrene. VIII. Solvent sorption behavior of syndiotactic polystyrene/p- chlorotoluene mesophase membranes Reviewed

K. P. O. Mahesh, M. Sivakumar, Y. Yamamoto, Y. Tsujita, H. Yoshimizu, S. Okamoto

Journal of Polymer Science, Polymer Physics   42 ( 2 )   831 - 839   2003.02

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シンジオタクチックポリスチレンが形成する“分子キャビティー”含有メゾフェイズ構造のパラクロロトルエン蒸気収着現象を検討した．メゾフェイズ相への優先的収着挙動が明らかとなった．

Structure and properties of the mesophase of syndiotactic polystyrene. II. Effect of stepwise extraction on the preparation of the mesophase Reviewed International journal

D. Amutharani, Y. Yamamoto, S. Mohri, M. Sivakumar, Y. Tsujita, H. Yoshimizu

Journal of Polymer Science, Polymer Physics   41 ( 3 )   269 - 273   2002.12

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シンジオタクチックポリスチレンのコンプレックス型の結晶構造から，ゲスト分子の抜け跡が分子サイズの極微小空孔として存在するメゾフェイズ構造の溶媒抽出による調製条件を検討した．アセトンとメタノールによる二段階抽出法が優れた調製法であった．

DOI： 10.1002/polb.10375

Characterization of the Cavity in Poly　(4-methyl-1-pentene) Crystal by Gas Permeation and 129Xe NMR Measurements Reviewed

T. Suzuki, T. Tanaka, M. Nakajima, H. Yoshimizu, Y. Tsujita

Polymer Journal   34 ( 10 )   891 - 896   2002.10

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特異な結晶構造を持つポリ4メチルペンテン(PMP)の結晶相における気体透過の起源を明らかにするため，129Xe NMR法を適用して検討した．PMPの結晶相にはおよそ5Å程度の空間が形成されている事実を突き止めた．

Control of gas permeability for cellulose acetate membrane by microwave irradiation Reviewed

Y. Nakai, Y. Tsujita, H. Yoshimizu

Desalination   145   375 - 377   2002.09

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セルロースアセテート膜の気体透過時にマイクロ波を照射したところ，透過特性が向上した．この現象はポリスチレン膜では見られなかった．

Study on complexing behavior of the syndiotactic polystyrene-aromatic hydrocarbon system Reviewed

Y. Yamamoto, D. Amutharani, M. Sivakumar, Y. Tsujita, H. Yoshimizu

Desalination   148   289 - 291   2002.09

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シンジオタクチックポリスチレンが形成するコンプレックス型の結晶構造の微細構造解析を分光学的手法で検討した．コンプレックス型結晶にゲストとして包接されているキシレン分子の存在状態の詳細を明らかにした．

Evaluation of the thermal stability of syndiotactic polystyrene/toluene complex by spectroscopic analysis Reviewed

A. Saitoh, D. Amutharani, Y. Yamamoto, Y. Tsujita, H. Yoshimizu

Desalination   148   353 - 357   2002.09

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シンジオタクチックポリスチレンが形成するコンプレックス型の結晶構造の熱安定性並びに結晶転移現象を分光学的手法で検討した．コンプレックス型結晶にゲストとして包接されていたトルエン分子の脱離に伴う転移は分子鎖のコンホメーションは維持され，鎖間距離のみが変化するものであった．

Characterization of microvoids in PPO/PS polymer blend by means of 129Xe NMR spectroscopy Reviewed

T. Suzuki, H. Yoshimizu, Y. Tsujita

Desalination   148   359 - 361   2002.09

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相容性ポリマーブレンドであるPPO/PS系を対象に，これに収着したXe核のNMR化学シフトを求め，解析したところ，ブレンドによる体積収縮が確認できた．これは他の手法から導かれる結論と一致していた．

Structure of Ionic Aggregates of Ionomers. Ⅱ. Effect of Humidity and Temperature on Ethylene and Styrene Ionomers Reviewed

Y. Tsujita, M. Yasuda, T. Kinoshita, A. Takizawa, H. Yoshimizu G. R. Davies

Journal of Polymer Science: Part B: Polymer Physics   40 ( 9 )   831 - 839   2002.05

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エチレン及びスチレンアイオノマーにおけるイオン会合体構造の水分量並びに温度に対する挙動をSAXS測定で観察した。水分量の増加とともに、両アイオノマーともイオン会合体に基づく散乱ピーク位置は小角側へシフトするが、エチレンアイオノマーではその強度は増加し、スチレンアイオノマーでは逆であった。一方、250℃まで温度を変化させても一個の会合体が占める体積を除き、顕著な変化は認められなかった。

Structure and Properties of the Mesophase of Syndiotactic Polystyrene. 1. Effect of Casting Conditions on the Preparation of the Mesophase Reviewed

D. Amutharani, Y. Yamamoto, A. Saito, M. Sivakumar, Y. Tsujita, H. Yoshimizu, T. Kinoshita

Journal of Polymer Science: Part B: Polymer Physics   40 ( 6 )   530 - 536   2002.03

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Syndiotactic Polystyrene (sPS)のメゾフェイズ構造の調製条件を検討するため、キャスト製膜の条件を変えて調製した膜のキャラクタリゼーションを行った。室温でキャストしたものの方が、85℃で調製したものよりコンプレックス結晶の生成量が多かった。熱処理によってコンプレックス結晶中のトルエンを脱着させる方法でメゾフェイズ構造を形成させても、前者の方がより多く形成していた。

Study on δ-form Complex in a Syndiotactic Polystyrene/Organic Molecules System, 1 Preferential Complexing Behavior of Xylene Isomers Reviewed

M. Sivakumar, Y. Yamamoto, D. Amutharani, Y. Tsujita, H. Yoshimizu, T. Kinoshita

Macromolecular Rapid Communication   23 ( 1 )   77 - 79   2002.01

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パラ及びメタ-キシレンの混合溶液にSyndiotactic Polystyrene (sPS)を溶解し、キャスト製膜した。調製された試料膜中の各キシレン異性体の組成分析を行い、調製時に使用した混合溶液の組成比と対比したところ、パラキシレンを優先的の取り込んでコンプレックス結晶を形成していた。

Structure of Ionic Aggregates of Ionomers. 1. Variation in the Structure of Ionic Aggregates with Different Acid Content and Degree of Neutralization of Ethylene and Styrene Ionomers

Macromolecules   34 ( 7 )   2220 - 2224   2001.04

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Applications of NMR Spectroscopy to the Structure and Ionic Aggregates of Ionomers

Annual Report on NMR Spectroscopy   44 ( 12 )   1 - 22   2001.04

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The characterization of the microvoids in poly(2,6-dimethyl-1,4-phenylene oxide) by means of 129Xe NMR spectroscopy

Macromolecules   34 ( 12 )   3805 - 3807   2001.04

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Characterization of Microvoids in Glassy Polymers by Means of Xe 129NMR Spectroscopy

Polymer Journal   3 ( 12 )   934 - 938   2001.04

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Preferential Sorption of the Syndiotactic Polystyrene (SPS) Membranes -The Complex Formability of the SPS-Aromatic Hydrocarbon System-

SEN'I GAKKAISHI   56 ( 6 )   266 - 271   2000.04

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SAXS Study on Ionic Aggregates of Styrene-Isoprene-Sulfonated Isoprene Terpolymer Ionomer

Journal of Polymer Science: Part B: Polymer Physics   38 ( 7 )   1307 - 1311   2000.04

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The Isomer Effect on Complex Formation in Syndiotactic Polystyrene-Xylene System

Polymer Journal   31 ( 3 )   268 - 273   1999.04

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The Structural Organization in Syndiotactic Polystyrene Film Induced by Toluene Vapor Sorption

Polymer   40 ( 12 )   3815 - 3819   1999.04

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Gas Permeation Properties of a Composite Membrane Filled with Poly(ethylene oxide) into a Porous Membrane

Journal of Applied Polymer Science   73 ( 12 )   2733 - 2738   1999.04

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CO2 Sorption Properties of Annealed Syndiotactic Polystyrene

ACS Symposium Series -Polymer Membranes for Gas and Vapor Separation-   733 ( 12 )   287 - 299   1999.04

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Gas Sorption Properties and Fine Structure of Glassy Polymer Membranes

Polymer Applications   48 ( 12 )   541 - 547   1999.04

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The Isomer Effect on Complex Formation in Poly(ethylene oxide)-Nitrophenol System

Chemistry Letters   30 ( 9 )   753 - 757   1998.04

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CO2 Permeation and Diffusion Properties of Semicrystalline Poly(4-methyl pentene-1) Membranes

Polymer Journal   30 ( 12 )   986 - 984   1998.04

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The Presence of Nanopores in Mesophase of Syndiotactic Polystyrene Estimated from Gas Sorption Behavior

Polymer   39 ( 21 )   5177 - 5182   1998.04

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The Molecular Orientation of a Peptide-based Amphiphile at Hexane/Water Interface

Chemistry Letters   54 ( 12 )   745 - 746   1997.04

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A Novel Function Based on a Linear Arrengement of Crown Ethers along the α-Helix Rod

Kobunshi Ronbunshu   54 ( 12 )   966 - 973   1997.04

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Characterization and CO2 Sorption Bahaviour of Polystyrene/Polycarbonate Blend System

Polymer   38 ( 11 )   2807 - 2811   1997.04

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Gas Permeation Properties of Rigid Polyimide Membranes

Polymer Applications   45 ( 2 )   32 - 39   1996.04

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Gas Permeable Polyimide Membranes

New Materials   7 ( 5 )   13 - 17   1996.04

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Structure and Transport Properties of Polyamino Acids Containing an Origo Siloxane Group in a Side Chain Region

SEN'I GAKKAISHI   51 ( 5 )   207 - 213   1995.04

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Structure and Gas Transport Properties of γ-Methyl L-glutamate/Dimethylsiloxane A-B Block Copolymer Membranes

SEN'I GAKKAISHI   51 ( 5 )   214 - 219   1995.04

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NMR Studies of Higher-order Structures of Solid Polymers, Annual Reports on NMR Spectroscopy

Annual Report on NMR Spectroscopy   28 ( 1&2 )   189 - 275   1994.04

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Side-Chain Conformation of Poly(L-Proline) form II in the Crystalline State as Studied by High-Resolution Solid-State 13C NMR Spectroscopy

Journal of Molecular Structure   317 ( 1&2 )   111 - 118   1994.04

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Copper Ion Complex Formation of a Dicarboxylic Acid-Containing Polypeptide

Polymer Journal   26 ( 1 )   43 - 48   1994.04

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pH-Responsive Guest Binding of Polypeptide Containing a Cyclodextrin at the Terminal

Bulletin of the Chemical Society of Japan   67 ( 2 )   495 - 499   1994.04

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Interaction between an α-Helical Polypeptide Containing Side-Chain Pyridyl Groups and Poly(4-vinylpyridine) in the Ternary Cu2+ Ion Complex

Bulletin of the Chemical Society of Japan   67 ( 3 )   773 - 777   1994.04

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Copper Ion Complex Formation of Polypeptide Containing Side-Chain Pyridyl Groups

Biopolymers   34 ( 6 )   701 - 707   1994.04

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Characterization of Alicyclic Polyimides Based on Cyclobutane Ring Dianhydride and Aromatic Diamine

Journal of Applied Polymer Science   54 ( 9 )   1297 - 1304   1994.04

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Ring Puckering of the Pyrrolidine Ring of Poly(L-Proline) Form I as Studied by Variable-Temperature High-Resolution 13C NMR Spectroscopy

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Journal of Molecular Structure   301 ( 1‐3 )   227‐230   1993.04

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Ring Puckering of the Pyrrolidine Ring of Poly(L-Proline) Form I as Studied by Variable-Temperature High-Resolution 13C NMR Spectroscopy

Journal of Molecular Structure   1993.04

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Structure and Gas Permeability of Siloxane-Imide Block Copolymer Membranes: 1. Effect of Siloxane Content

Polymer   34 ( 12 )   2597 - 2601   1993.04

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Interaction between Side-Chain Pyridyl Groups of α-Helical Polypeptide and Guest Trp in the Ternary Cu2+ Ion Complex

Bulletin of the Chemical Society of Japan   66 ( 10 )   2972 - 2976   1993.04

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Investigation using 13C and 15N CP/MAS NMR of Potential Solid State Tautomerism of Some Indolinones

Journal of Crystallographic and Spectroscopic Research   21 ( 1 )   51 - 55   1991.04

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13C CP/MAS NMR Study of the Conformation of Stretched or Heated Low-Sulfur Keratin Protein Films

Macromolecules   24 ( 4 )   862 - 866   1991.04

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A High-Resolution Solid-State 13C NMR Study on Conformation and Molecular Motion of Low-Sulfur Keratin Protein Films Obtained from Wool

Journal of Molecular Structure   246 ( 3&4 )   367 - 379   1991.04

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Luminescent Characteristics of Tris(2,2'-bipyridine)-ruthenium(II) Adsorbed in a Silk Fibroin Membrane

Makromolekulare Chemie   192 ( 7 )   1649 - 1654   1991.04

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Some 13C and 15N NMR Studies on 1,8-Bis(dimethylamino)-naphthalene and Two of Its Salts

Bulletin of the Chemical Society of Japan   64 ( 12 )   3761 - 3762   1991.04

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An ESR Study of Spin-Labeled Silk Fibroin Membranes and Spin-Labeled Glucose Oxidase Immobilized in Silk Fibroin Membranes

Biotechnology and Bioengineering   35 ( 5 )   511 - 517   1990.04

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Conformational Characterization of Wool Keratin and S-(Carboxymethyl)kerateine in the Solid State by 13C CP/MAS NMR Spectroscopy

Macromolecules   23 ( 11 )   2908 - 2912   1990.04

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Preparation and Characterization of Silk Fibroin Powder and Its Application to Enzyme Immobilization

Journal of Applied Polymer Science   40 ( 1&2 )   127 - 134   1990.04

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Some Multinuclear NMR Solution and Solid State Studies on 1,8-Bis(dimethylamino)-naphthalene and Its Complex with Tetrazole

Bulletin of the Chemical Society of Japan   63 ( 9 )   2716 - 2717   1990.04

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The Structure of Bombyx mori Silk Fibroin Membrane Swollen by Water Studied with ESR, 13C-NMR and FT-IR Spectroscopies

Journal of Applied Polymer Science   40 ( 9&10 )   1745 - 1756   1990.04

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NMR of Silk Fibroin. 8. 13C NMR Analysis of the Conformation and the Conformational Transition of Philosamia cynthia ricini Silk Fibroin Protein on the Basis of Bixon-Sheraga-Lifson Theory

Macromolecules   21 ( 3 )   644 - 648   1988.04

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15N and 13C NMR Chemical Shift Calculations for the Sequence Analysis of Bombyx mori Silk Fibroin Protein with FPT INDO Method

Journal of Molecular Structure (Theochem)   168 ( 4 )   135 - 139   1988.04

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NMR of Silk Fibroin. 9. Sequence and Conformation Analyses of the Silk Fibroins from Bombyx mori and Philosamia cynthia ricini by 15N NMR Spectroscopy

Macromolecules   21 ( 7 )   2038 - 2041   1988.04

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Mechanism of Glucose Oxidase Immobilization with Silk Fibroin

The Journal of Sericultural Science of Japan   57 ( 3 )   203 - 209   1988.04

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ESR Study on the Mobility of Spin Probes in Sericin/polyvinylalcohol and Sericin/polyvinylprrolidone Blend Membranes

The Journal of Sericultural Science of Japan   57 ( 6 )   460 - 465   1988.04

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ESR Study on the Structure and Molecular Motion of Spin-labelled Silk Fibroins Reviewed

SEN'I GAKKAISHI   43 ( 7 )   335 - 342   1987.07

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Language：Japanese   Publishing type：Research paper (scientific journal)  

DOI： 10.2115/fiber.43.7_335