Search Results - "Takahashi, Rintaro"

In Situ Monitoring of Polymerization-Induced Self-Assembly and Gelation During the Synthesis of Triblock Copolymers via Time-Resolved Small-Angle X‑ray Scattering and Rheology by Yamanaka, Riku, Sugawara-Narutaki, Ayae, Takahashi, Rintaro

“…The polymerization of solvophobic monomers from both ends of solvophilic polymers produces BAB triblock copolymers in solution. The self-assembly of the…”
Get full text

Structure and Rheology of Poly(vinylidene difluoride-co-hexafluoropropylene) in an Ionic Liquid: The Solvent Behaves as a Weak Cross-Linker through Ion–Dipole Interaction by Aoki, Kota, Sugawara-Narutaki, Ayae, Doi, Yuya, Takahashi, Rintaro

“…Mixtures of poly­(vinylidene difluoride-co-hexafluoropropylene) (PVDF-HFP) and ionic liquids (IL) are known to form flexible, self-healing, and ion-conductive…”
Get full text

Growth Kinetics of Polyelectrolyte Complexes Formed from Oppositely-Charged Homopolymers Studied by Time-Resolved Ultra-Small-Angle X‑ray Scattering by Takahashi, Rintaro, Narayanan, Theyencheri, Sato, Takahiro

“…We have monitored the kinetic process of polyelectrolyte complex formation between sodium polyacrylate (SPA) and polyallylamine hydrochrolide (PAH) in aqueous…”
Get full text

Flower Necklaces of Controllable Length Formed From N‑(2-Hydroxypropyl) Methacrylamide-Based Amphiphilic Statistical Copolymers by Takahashi, Rintaro, Doi, Kiyomasa, Fujii, Shota, Sakurai, Kazuo

“…N-(2-Hydroxypropyl)­methacrylamide (HPMA)-based statistical copolymers bearing anticancer drugs have attracted attention for their efficacy in cancer…”
Get full text

Competition between the micellization and the liquid–liquid phase separation in amphiphilic block copolymer solutions by Sato, Takahiro, Takahashi, Rintaro

“…We have formulated the mixing Gibbs energy density for the micelle phase of an amphiphilic block copolymer solution using mean-field lattice theory. We have…”
Get full text

Kinetics of Morphological Transition between Cylindrical and Spherical Micelles in a Mixture of Anionic–Neutral and Cationic–Neutral Block Copolymers Studied by Time-Resolved SAXS and USAXS by Takahashi, Rintaro, Narayanan, Theyencheri, Yusa, Shin-ichi, Sato, Takahiro

“…This study is concerned with the morphological transition kinetics of polyelectrolyte complex micelles formed from an anionic–neutral block copolymer and a…”
Get full text

In Situ and Ex Situ Studies of Ring-Like Assembly of Silica Nanoparticles in the Presence of Poly(propylene oxide)–Poly(ethylene oxide) Block Copolymers by Takahashi, Rintaro, Yamamoto, Kazuki, Sugahara, Ryo, Otake, Ryusuke, Hayashi, Keisuke, Nakamura, Jin, Ohtsuki, Chikara, Aoshima, Sadahito, Sugawara-Narutaki, Ayae

“…Block copolymer-mediated self-assembly of colloidal nanoparticles has attracted great attention for fabricating various nanoparticle arrays. We have previously…”
Get full text

Self-Assembly of Calix[4]arene-Based Amphiphiles Bearing Polyethylene Glycols: Another Example of “Platonic Micelles” by Yoshida, Kenta, Fujii, Shota, Takahashi, Rintaro, Matsumoto, Sakiko, Sakurai, Kazuo

“…The aggregation number of classical micelles exhibits a certain distribution, which is a recognizable feature of conventional micelles. However, we recently…”
Get full text

Stable Water-soluble Polyion Complex Micelles Composed of Oppositely Charged Diblock Copolymers and Reinforced by Hydrophobic Interactions by Pham, Thu Thao, Takahashi, Rintaro, Pham, Tien Duc, Yusa, Shin-ichi

“…Polyion complex (PIC) micelles having a hydrodynamic radius of approximately 20 nm were prepared in water by simply mixing a pair of double hydrophilic…”
Get full text

Morphological Transition of Oppositely Charged Calix[4]arene Surfactant Mixture by Lee, Ji Ha, Fujii, Shota, Takahashi, Rintaro, Sakurai, Kazuo

“…When a negatively charged sulfonic or a positively charged amine group is attached to calix[4]­arene surfactants, denoted as SCal7 and QACal7, respectively,…”
Get full text

Intermolecular Interactions and Self-Assembly in Aqueous Solution of a Mixture of Anionic–Neutral and Cationic–Neutral Block Copolymers by Takahashi, Rintaro, Sato, Takahiro, Terao, Ken, Yusa, Shin-ichi

“…We have investigated the self-assembly in dilute aqueous solutions of a mixture of an anionic–neutral block copolymer (AP) and a cationic–neutral block…”
Get full text

Reversible Vesicle–Spherical Micelle Transition in a Polyion Complex Micellar System Induced by Changing the Mixing Ratio of Copolymer Components by Takahashi, Rintaro, Sato, Takahiro, Terao, Ken, Yusa, Shin-ichi

“…The mixing ratio dependence of the morphology of a polyion complex micelle formed of an anionic–neutral double-hydrophilic block copolymer (AP) and a…”
Get full text

First Observation of the Hydration Layer around Polymer Chain by Scattering and Its Relationship to Thromboresistance: Dilute Solution Properties of PMEA in THF/Water by Kanamaru, Takuma, Araki, Masataka, Takahashi, Rintaro, Fujii, Shota, Shikata, Toshiyuki, Murakami, Daiki, Tanaka, Masaru, Sakurai, Kazuo

“…Poly­(2-methoxyethyl acrylate) (PMEA) is known to exhibit excellent thromboresistance, i.e., hardly causing blood-clot formation on its surface. Hence, PMEA…”
Get full text

Synthesis and characterization of nanoemulsion-mediated core crosslinked nanoparticles, and in vivo pharmacokinetics depending on the structural characteristics by Matsuno, Jun, Kanamaru, Takuma, Arai, Koichi, Tanaka, Rena, Lee, Ji Ha, Takahashi, Rintaro, Sakurai, Kazuo, Fujii, Shota

“…For designing nanoparticles as drug carriers, a covalently crosslinked structure is necessary for the structural stability in vivo. In this study, we prepared…”
Get full text

Discrete and Discontinuous Increase in the Micellar Aggregation Number: Effects of the Alkyl Chain Length on Platonic Micelles by Fujii, Shota, Yamada, Shimpei, Araki, Masataka, Lee, Ji Ha, Takahashi, Rintaro, Sakurai, Kazuo

“…Micelles with perfect monodispersity in terms of the aggregation number (N agg) have recently been discovered, whose values of N agg interestingly always…”
Get full text

Monitoring the Discontinuous Dodecamer–Icosamer Transition of a Calix[4]arene‐Derived Surfactant by Time‐Resolved Small‐Angle X‐ray Scattering by Takahashi, Rintaro, Matsumoto, Sakiko, Fujii, Shota, Narayanan, Theyencheri, Sakurai, Kazuo

“…Calix[4]arene‐derived surfactants form monodisperse micelles with a well‐defined aggregation number (Nagg) of 4, 6, 8, 12, or 20, corresponding to the Platonic…”
Get full text

Unraveling Decisive Structural Parameters for the Self-Assembly of Supramolecular Polymer Bottlebrushes Based on Benzene Trisureas by Gruschwitz, Franka V, Fu, Mao-Chun, Klein, Tobias, Takahashi, Rintaro, Higashihara, Tomoya, Hoeppener, Stephanie, Nischang, Ivo, Sakurai, Kazuo, Brendel, Johannes C

“…By introducing strong directed hydrogen bonds to an amphiphilic polymer, we demonstrate that phase transitions from spherical to cylindrical morphologies in…”
Get full text

Structural Polymorphism of Resorcinarene Assemblies by Fujii, Shota, Miyake, Rika, Campo, Liliana de, Lee, Ji Ha, Takahashi, Rintaro, Sakurai, Kazuo

“…In 1997, a study based on X-ray crystallography revealed that resorcinarenes adopt a hexameric capsule-like structure. The function of resorcinarenes has been…”
Get full text

Local and global conformations of flower micelles and flower necklaces formed by an amphiphilic alternating copolymer in aqueous solution by Uramoto, Kai, Takahashi, Rintaro, Terao, Ken, Sato, Takahiro

“…We investigated the local and global conformations of flower micelles and flower necklaces formed by the amphiphilic alternating copolymer of sodium maleate…”
Get full text

A Thermo-Responsive Polymer Micelle with a Liquid Crystalline Core by Mizoue, Yoko, Takahashi, Rintaro, Sakurai, Kazuo, Yusa, Shin-Ichi

“…An amphiphilic diblock copolymer (PChM-PNIPAM), composed of poly(cholesteryl 6-methacryloyloxy hexanoate) (PChM) and poly( -isopropyl acrylamide) (PNIPAM)…”
Get full text