Hiroki Iwase - My portal

Profile Information

Affiliation: Neutron Science and Technology Center, Comprehensive Research Organization for Science and Society (CROSS)

J-GLOBAL ID: 201601018121915960
researchmap Member ID: B000262155

Research Interests

Research Areas

Natural sciences / Bio-, chemical, and soft-matter physics /

Research History

Mar, 2011 - Present

研究員, 研究開発部, 総合科学研究機構中性子科学センター
Apr, 2009 - Mar, 2011

The Institute for Solid State Physics, The University of Tokyo
Apr, 2004 - Mar, 2009

博士研究員・任期付研究員, 日本原子力研究開発機構
May, 2002 - Mar, 2004

High Energy Accelerator Research Organization

Papers

118

A high-temperature high-pressure small-angle neutron scattering cell for studying hydrothermal reactions in supercritical water

Jun Abe, Hiroshi Arima-Osonoi, Hiroki Iwase, Shin-ichi Takata, Kei-ichi Ohuchi, Satoshi Kasai, Tsukasa Miyazaki, Takeshi Morita, Mitsuhiro Shibayama

Journal of Applied Crystallography, 57(2), Feb 23, 2024
Structural analysis of polyglycerol fatty acid ester-coenzyme Q10 aggregates in solution.

Hiroki Iwase, Junya Kobayashi, Yuuki Kasama, Wataru Fujii, Hironobu Nanbu

Food research international, 175 113741-113741, Jan, 2024
Development of a D₂O/H₂O vapor generator for contrast-variation neutron scattering

Hiroshi Arima-Osonoi, Shin-ichi Takata, Satoshi Kasai, Keiichi Ohuchi, Toshiaki Morikawa, Noboru Miyata, Tsukasa Miyazaki, Hiroyuki Aoki, Hiroki Iwase, Kosuke Hiroi …

Journal of Applied Crystallography, 56(6), Nov 29, 2023
Upgrade of the small-angle neutron scattering diffractometer SANS-J at JRR-3

Takayuki Kumada, Ryuhei Motokawa, Yojiro Oba, Hiroshi Nakagawa, Yurina Sekine, Cyril Micheau, Yuki Ueda, Tsuyoshi Sugita, Atsushi Birumachi, Miki Sasaki …

Journal of Applied Crystallography, 56(6), Nov 24, 2023
Equation Elucidating the Catalyst-Layer Proton Conductivity in a Polymer Electrolyte Fuel Cell Based on the Ionomer Distribution Determined Using Small-Angle Neutron Scattering.

Masashi Harada, Hiroaki Kadoura, Shin-Ichi Takata, Hiroki Iwase, Shuji Kajiya, Takahisa Suzuki, Naoki Hasegawa, Akihiro Shinohara, Satoru Kato

ACS applied materials & interfaces, 15(36) 42594-42602, Sep 13, 2023
Structure and Conformation of Hydroxypropylmethyl Cellulose with a Wide Range of Molar Masses in Aqueous Solution─Effects of Hydroxypropyl Group Addition.

Erika Saiki, Hiroki Iwase, Yoshiki Horikawa, Toshiyuki Shikata

Biomacromolecules, 24(9) 4199-4207, Sep 11, 2023
Fibrillization Process of Human Amyloid-Beta Protein (1-40) under a Molecular Crowding Environment Mimicking the Interior of Living Cells Using Cell Debris.

Mitsuhiro Hirai, Shigeki Arai, Hiroki Iwase

Molecules (Basel, Switzerland), 28(18), Sep 10, 2023
Time-Resolved Structural Analysis of Fast-Photoresponsive Surfactant Micelles by Stroboscopic Small-Angle Neutron Scattering.

Hiroki Iwase, Masaaki Akamatsu, Yasuhiro Inamura, Yoshifumi Sakaguchi, Kazuki Kobayashi, Hideki Sakai

Langmuir : the ACS journal of surfaces and colloids, 39(35) 12357-12364, Sep 5, 2023
Structural changes of polystyrene particles in subcritical and supercritical water revealed by in situ small-angle neutron scattering

Motoki Shibata, Yohei Nakanishi, Jun Abe, Hiroshi Arima-Osonoi, Hiroki Iwase, Mitsuhiro Shibayama, Ryuhei Motokawa, Takayuki Kumada, Shin-ichi Takata, Katsuhiro Yamamoto …

Polymer Journal, 55(11) 1165-1170, Jul 6, 2023
Extended Q-range small-angle neutron scattering to understand the morphology of proton-exchange membranes: the case of the functionalized syndiotactic-polystyrene model system

Maria-Maddalena Schiavone, David Hermann Lamparelli, Christophe Daniel, Manuchar Golla, Yue Zhao, Hiroki Iwase, Hiroshi Arima-Osonoi, Shin-ichi Takata, Laszlo Szentmiklosi, Boglarka Maroti …

JOURNAL OF APPLIED CRYSTALLOGRAPHY, 56(4), Jul, 2023 Peer-reviewed
Scattering investigations into the structures of polymer-electrolyte-fuel-cell catalyst layers exhibiting robust performance against varying water fractions of catalyst ink solvents

Masashi Harada, Shuji Kajiya, Takuya Mitsuoka, Shin ichi Takata, Hiroki Iwase, Hiroyuki Aoki

Colloids and Surfaces A: Physicochemical and Engineering Aspects, 665, May 20, 2023
New measurement system based on small-angle neutron scattering for structural analysis of light-responsive materials

Hiroki Iwase, Masaaki Akamatsu, Yasuhiro Inamura, Yoshifumi Sakaguchi, Toshiaki Morikawa, Satoshi Kasai, Keiichi Oh-uchi, Kazuki Kobayashi, Hideki Sakai

Journal of Applied Crystallography, 56(1) 110-115, Feb 1, 2023
Effect of water content on stratum corneum penetration mechanism of W/O type microemulsions

Erika Nakamura, Hiroki Iwase, Hiroshi Arima-Osonoi, Mina Sakuragi

RSC Advances, 13(26) 17742-17749, 2023
Neutron Reflectometry & Simultaneous Measurements of Rheology and Small Angle Neutron Scattering Studies for Polyether Modified Silicone Vesicle Systems.

Makoto Uyama, Atsushi Takahara, Yuji Higaki, Norifumi L Yamada, Hiroki Iwase

Journal of oleo science, 71(11) 1625-1637, Oct 28, 2022
Conformation and Structure of Hydroxyethyl Cellulose Ether with a Wide Range of Average Molar Masses in Aqueous Solutions.

Misato Yoshida, Hiroki Iwase, Toshiyuki Shikata

Polymers, 14(21), Oct 26, 2022
Protein Condensation at Nanopore Entrances as Studied by Differential Scanning Calorimetry and Small-Angle Neutron Scattering.

Mami Aizawa, Hiroki Iwase, Toshio Kamijo, Akira Yamaguchi

The journal of physical chemistry letters, 13(37) 8684-8691, Sep 22, 2022
Elongated Rodlike Particle Formation of Methyl Cellulose in Aqueous Solution.

Erika Saiki, Misato Yoshida, Kei Kurahashi, Hiroki Iwase, Toshiyuki Shikata

ACS omega, 7(33) 28849-28859, Aug 23, 2022
Evidence of Long Two-Dimensional Folding Chain Structure Formation of Poly(vinylidene fluoride) in N-Methylpyrrolidone Solution: Total Form Factor Determination by Combining Multiscattering Data.

Erika Saiki, Yuki Nohara, Hiroki Iwase, Toshiyuki Shikata

ACS omega, 7(26) 22825-22829, Jul 5, 2022
Effects of self-hydrogen bonding among formamide molecules on the UCST-type liquid-liquid phase separation of binary solutions with imidazolium-based ionic liquid, [Cnmim][TFSI], studied by NMR, IR, MD simulations, and SANS.

Masahiro Kawano, Atsuya Tashiro, Yuki Imamura, Moeno Yamada, Koichiro Sadakane, Hiroki Iwase, Masaru Matsugami, Bogdan A Marekha, Abdenacer Idrissi, Toshiyuki Takamuku

Physical chemistry chemical physics : PCCP, May 25, 2022
Giant Carbon Nano-Test Tubes as Versatile Imaging Vessels for High-Resolution and In Situ Observation of Proteins.

Tracy T Chuong, Toshihiko Ogura, Norihito Hiyoshi, Kazuma Takahashi, Sangho Lee, Keita Hiraga, Hiroki Iwase, Akira Yamaguchi, Kiyoto Kamagata, Eriko Mano …

ACS applied materials & interfaces, May 13, 2022

Misc.

小角中性子散乱(SANS)を用いた光応答性分子集合体のin situ計測 (特集外部刺激に応答するスマート界面)

赤松允顕, 岩瀬裕希, 酒井健一, 酒井秀樹

理大科学フォーラム : 東京理科大学科学教養誌, 38(4) 6-8, Aug, 2021
Design of an oral gel formulation using gelatin/enteric polymer for pH-responsive drug release system

野上聡, 内山博雅, 門田和紀, 有馬寛, 岩瀬裕希, 富永大輝, 山田武, 高田慎一, 柴山充弘, 戸塚裕一

日本薬剤学会年会講演要旨集(CD-ROM), 36th, 2021
Clarification of hierarchical dynamics in protein

中川洋, 井上倫太郎, 小田隆, 小田隆, 矢木(内海)真穂, 斉尾智英, 苙口友隆, 長田裕也, 杉山正明, 佐藤衛 …

量子ビームサイエンスフェスタ(Web), 2020, 2021
Small-angle neutron scattering study of micelle structure and hydration behavior of oleic acid-based gemini surfactant

Tadashi Sugahara, Masaaki Akamatsu, Hiroki Iwase, Yuichiro Takamatsu, Kenichi Sakai, Hideki Sakai

Chemistry Letters, 48 1050-1053, Jan 1, 2019
Complexation of Syndiotactic Polystyrene with Branched Molecules

Fumitoshi Kaneko, Aurel Radulescu, Hiroki Iwase, Shin ichi Takata, Masayoshi Nishiura, Zaomin Hou

Macromolecular Symposia, 386(1), Jan 1, 2019
分子crowding環境下のタンパク質・生体脂質膜研究への中性子の応用

平井光博, 味戸聡志, 岩瀬裕希, 高田慎一, 新井栄揮

日本中性子科学会年会講演概要集, 18th, 2018
Colloid Research on the Small and Wide Angle Neutron Scattering Instrument TAIKAN at MLF/J-PARC

Hiroki Iwase

16(10) 28-32, 2016
Application and Outlook of the Pulsed Neutron Beam at J-PARC(2)Introduction of Structural and Dynamical Analysis for Soft Materials at J-PARC

山田武, 岩瀬裕希

ぶんせき, 2015(1) 13-19, Jan, 2015
The Small and Wide Angle Neutron Scattering Instrument TAIKAN at J-PARC

高田慎一, 鈴木淳市, 大石一城, 岩瀬裕希, 篠原武尚, 奥隆之, 富永大輝, 稲村泰弘, 伊藤崇芳, 中谷健 …

波紋, 24(4) 281-287, Nov, 2014
Structural Analysis of Cured Phenolic Resins using Complementary SANS and SAXS

和泉篤士, 中尾俊夫, 岩瀬裕希

波紋 : Neutron network news, 24(1) 11-14, Feb, 2014
「中性子小角・広角散乱装置（大観）」に関して

高田慎一, 鈴木淳市, 大石一城, 岩瀬裕希, 篠原武尚, 奥隆之, 富永大輝, 稲村泰弘, 伊藤崇芳, 中谷健 …

日本中性子科学会誌「波紋」, 24 281-287, 2014
SANSとSAXSによる新規両親媒性分子の構造解析

岩瀬裕希

C & I commun : colloid & interface communication : newsletter from DCSC, 38(3) 27-29, 2013
Current Status and Activities of Small-Angle Neutron Scattering Instrument, SANS-U

Hiroki Iwase, Hitoshi Endo, Mitsuhiro Shibayama

Recent Progress in Neutron Scattering Research, 1-35, 2013
Small-angle neutron scattering research at JRR-3

岩瀬裕希, 柴山充弘

Hamon, 21(1) 23-28, Feb, 2011
Nano-Structure of Aggregates Formed by Hydrocarbon–Fluorocarbon Hybrid type Gemini Surfactants in Aqueous Solution

T. Yoshimura, A. Okuda, H. Iwase, Y. Oba, M. Ohnuma, T. Ogawa, S. Isoda

International Conference on Nanoscopic Colloid and Surface Science, Chiba, Japan, Sep, 2010
Aggregation Properties of Amphiphilic Dendrimer in Aqueous Solutions: A Combined Small-Angle Scattering (SANS and SAXS) Study

H. Iwase, T. Yoshimura, A. Ebihara, Y. Oba, M. Ohnuma, M. Shibayama

International Conference on Nanoscopic Colloid and Surface Science, Chiba, Japan, Sep, 2010
Temperature Dependence of Microheterogeneity for Acetonitrile-Water Mixtures Investigated by Small-Angle Neutron Scattering Technique

T. Takamuku, Y. Noguchi, H. Iwase, T. Otomo

KENS Report, 15 162, 2007
Scenario to Focusing Polarized Small-Angle Neutron Scattering Spectrometer SANS-J-II

Koizumi Satoshi, Iwase Hiroki, Tanaka Hirokazu, Hashimoto Takeji, Suzuki Jun-ichi, Oku Takayuki, Sasao Hajime, Shimizu Hirohiko M

hamon, 14(4) 266-273, 2004
Comparison of magnetically induced phase behavior of rod-like supermacromolecule(CGMMV)with that of TMV

Mitsuya S., Arai S., Iwase H., Hayakawa T., Hirai M., Sano Y.

Biophysics, 38(2) S7, Sep 7, 1998
The study of the thermal structural transition and gelation of lysozyme depending on the solvent condition by using time-resolved SR-SAXS.

Arai S., Hirai M., Iwase H., Mitsuya S.

Biophysics, 38(2) S24, Sep 7, 1998

Research Projects

中性子その場測定で解き明かすイオン性界面活性剤による流動抵抗低減効果の発現機構

科学研究費助成事業, 基盤研究(C), 日本学術振興会, Apr, 2022 - Mar, 2025

岩瀬裕希
shear thickening behavior in wormlike micelle solutions studied by novel shear-SANS

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (C), Grant-in-Aid for Scientific Research (C), Japan Society for the Promotion of Science, Apr, 2019 - Mar, 2022

Iwase Hiroki
Investigation of relationship between structure and mechanical property for hydrogel containing amphiphilic dendrimer

Grants-in-Aid for Scientific Research Grant-in-Aid for Young Scientists (B), Grant-in-Aid for Young Scientists (B), Japan Society for the Promotion of Science, Apr, 2012 - Mar, 2015

IWASE Hiroki
Development and application of a neutron polarizing and focusing system based on magnetic field gradients

Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B), Grant-in-Aid for Scientific Research (B), Japan Society for the Promotion of Science, 2008 - 2010

OKU Takayuki, SHINOHARA Takenao, SUZUKI Junichi, IWASE Hiroki, KOIZUMI Satoshi, INO Takashi, MUTO Suguru, SHIMIZU Hirohiko, YOKOYAMA Makoto, NISHIHARA Yoshikazu
全炭化水素系電解質膜のイオンチャンネル構造と電気伝導特性の相関関係の解明

科学研究費助成事業若手研究(B), 若手研究(B), 日本学術振興会, 2008 - 2008

岩瀬裕希