Shin‐ichi Yusa
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View article: Facile One-Pot Block Copolymer-Mediated Solvothermal Approach for Synthesis of High-Entropy Alloy with Enhanced OER Activity
Facile One-Pot Block Copolymer-Mediated Solvothermal Approach for Synthesis of High-Entropy Alloy with Enhanced OER Activity Open
View article: 2023–2024: Selected Papers from the ‘Polymer Chemistry’ Section
2023–2024: Selected Papers from the ‘Polymer Chemistry’ Section Open
In recent years, the design, processing, and functional performance of materials havebecome increasingly integrated [...]
View article: Stability and Controlled Polymerization of Trithiocarbonate Chain Transfer Agents Under Harsh Conditions
Stability and Controlled Polymerization of Trithiocarbonate Chain Transfer Agents Under Harsh Conditions Open
This study investigates the stability and application of trithiocarbonate-based chain transfer agents (CTAs) in reversible addition–fragmentation chain transfer (RAFT) radical polymerization under harsh conditions. We evaluated the stabili…
View article: Evaluation of Controlled Radical Polymerization Using Trithiocarbonate Chain Transfer Agent
Evaluation of Controlled Radical Polymerization Using Trithiocarbonate Chain Transfer Agent Open
View article: Polyelectrolytes Are Effective Cryoprotectants for Extracellular Vesicles
Polyelectrolytes Are Effective Cryoprotectants for Extracellular Vesicles Open
Extracellular vesicles (EVs) have been widely recognized as a heterogeneous group of membrane-coated submicrometer particles released by different types of cells, including stem cells (SCs). Due to their ability to harbor and transfer bioa…
View article: Stimulus‐Responsive Gas Marbles as an Amphibious Carrier for Gaseous Materials
Stimulus‐Responsive Gas Marbles as an Amphibious Carrier for Gaseous Materials Open
Gas marbles are a new family of particle‐stabilized soft dispersed system with a soap bubble‐like air‐in‐water‐in‐air structure. Herein, stimulus‐responsive character is successfully introduced to a gas marble system for the first time usi…
View article: The Effect of Block Ratio and Structure on the Thermosensitivity of Double and Triple Betaine Block Copolymers
The Effect of Block Ratio and Structure on the Thermosensitivity of Double and Triple Betaine Block Copolymers Open
AB-type and BAB-type betaine block copolymers composed of a carboxybetaine methacrylate and a sulfobetaine methacrylate, PGLBT-b-PSPE and PSPE-b-PGLBT-b-PSPE, respectively, were synthesized by one-pot RAFT polymerization. By optimizing the…
View article: Recent Advances in Micro- and Nano-Drug Delivery Systems Based on Natural and Synthetic Biomaterials
Recent Advances in Micro- and Nano-Drug Delivery Systems Based on Natural and Synthetic Biomaterials Open
Polymeric drug delivery technology, which allows for medicinal ingredients to enter a cell more easily, has advanced considerably in recent decades. Innovative medication delivery strategies use biodegradable and bio-reducible polymers, an…
View article: Nanoscale Self-Assemblies from Amphiphilic Block Copolymers as Proficient Templates in Drug Delivery
Nanoscale Self-Assemblies from Amphiphilic Block Copolymers as Proficient Templates in Drug Delivery Open
This review article emphasizes the current enlargements in the formation and properties of the various nanostructured aggregates resulting from the self-assembly of a variety of block copolymers (BCPs) in an aqueous solution. The developme…
View article: PB0547 Poly(Sodium Styrenesulfonate)-based Copolymers with Anticoagulant Activity: Preliminary Efficacy and Safety Studies
PB0547 Poly(Sodium Styrenesulfonate)-based Copolymers with Anticoagulant Activity: Preliminary Efficacy and Safety Studies Open
p = 0.729; p = 0.890, respectively).Administration of atorvastatin was effective in reducing IL-6 and F1 + 2 levels until the 30th day of the study.Conclusion(s): Atorvastatin was not significantly different from rivaroxaban in reducing of…
View article: PB1404 Comparison of Cardiovascular and Respiratory Toxicity of Heparin Antidotes: Protamine Sulfate, PER977 and Heparin-Binding Copolymer (HBC)
PB1404 Comparison of Cardiovascular and Respiratory Toxicity of Heparin Antidotes: Protamine Sulfate, PER977 and Heparin-Binding Copolymer (HBC) Open
the release of pro-inflammatory cytokines and growth factors by platelets, as well as the direct cell-cell interaction of platelets with inflammatory cells substantially alter cell signalling cascades of resident and non-resident cells.Aim…
View article: Special Issue “State-of-the-Art Polymer Science and Technology in Japan (2021, 2022)”
Special Issue “State-of-the-Art Polymer Science and Technology in Japan (2021, 2022)” Open
It has been 100 years since the first article on polymerization was published by Hermann Staudinger [...]
View article: Comparison between Cashew-Based and Petrochemical Hydroxyoximes: Insights from Molecular Simulations
Comparison between Cashew-Based and Petrochemical Hydroxyoximes: Insights from Molecular Simulations Open
Solvent extraction has been ubiquitously used to recover valuable metals from wastes such as spent batteries and electrical boards. With increasing demands for energy transition, there is a critical need to improve the recycling rate of cr…
View article: Single-Micelle-Templated Synthesis of Hollow Barium Carbonate Nanoparticle for Drug Delivery
Single-Micelle-Templated Synthesis of Hollow Barium Carbonate Nanoparticle for Drug Delivery Open
A laboratory-synthesized triblock copolymer poly(ethylene oxide-b-acrylic acid-b-styrene) (PEG-PAA-PS) was used as a template to synthesize hollow BaCO3 nanoparticles (BC-NPs). The triblock copolymer was synthesized using reversible additi…
View article: A Thermo-Responsive Polymer Micelle with a Liquid Crystalline Core
A Thermo-Responsive Polymer Micelle with a Liquid Crystalline Core Open
An amphiphilic diblock copolymer (PChM-PNIPAM), composed of poly(cholesteryl 6-methacryloyloxy hexanoate) (PChM) and poly(N-isopropyl acrylamide) (PNIPAM) blocks, was prepared via reversible addition–fragmentation chain transfer radical po…
View article: A New Year’s Message 2023
A New Year’s Message 2023 Open
We wish you all happiness, health and progress in the new year [...]
View article: The 2nd International Online Conference on Polymer Science—Polymers and Nanotechnology for Industry 4.0
The 2nd International Online Conference on Polymer Science—Polymers and Nanotechnology for Industry 4.0 Open
The field of polymer composites is currently an area of intense research. The 2nd international Online Conference on Polymer Science—Polymers and Nanotechnology for Industry 4.0 was held on 1–15 November 2021. The conference was organized …
View article: Thermo-Responsive Polyion Complex of Polysulfobetaine and a Cationic Surfactant in Water
Thermo-Responsive Polyion Complex of Polysulfobetaine and a Cationic Surfactant in Water Open
Poly(4-((3-methacrylamidopropyl)dimethylammonium)butane-1-sulfonate) (PSBP) was prepared via controlled radical polymerization. PSBP showed upper critical solution temperature (UCST) behavior in aqueous solutions, which could be controlled…
View article: Supplementary File
Supplementary File Open
View article: Investigations on the role of ionic liquid on the physicochemical characteristics and toxicological consequences of liposomes
Investigations on the role of ionic liquid on the physicochemical characteristics and toxicological consequences of liposomes Open
View article: Association Behavior of Amphiphilic ABA Triblock Copolymer Composed of Poly(2-methoxyethyl acrylate) (A) and Poly(ethylene oxide) (B) in Aqueous Solution
Association Behavior of Amphiphilic ABA Triblock Copolymer Composed of Poly(2-methoxyethyl acrylate) (A) and Poly(ethylene oxide) (B) in Aqueous Solution Open
Poly(2-methoxyethyl acrylate) (PMEA) and poly(ethylene oxide) (PEO) have protein-antifouling properties and blood compatibility. ABA triblock copolymers (PMEAl-PEO11340-PMEAm (MEOMn; n is average value of l and m)) were prepared using sing…
View article: pH- and Thermo-Responsive Water-Soluble Smart Polyion Complex (PIC) Vesicle with Polyampholyte Shells
pH- and Thermo-Responsive Water-Soluble Smart Polyion Complex (PIC) Vesicle with Polyampholyte Shells Open
A diblock copolymer (P(VBTAC/NaSS)17-b-PAPTAC50; P(VS)17A50) composed of amphoteric random copolymer, poly(vinylbenzyl trimethylammonium chloride-co-sodium p-styrensunfonate) (P(VBTAC/NaSS); P(VS)) and cationic poly(3-(acrylamidopropyl) tr…
View article: Monitoring of Anticoagulant Activity of Dabigatran and Rivaroxaban in the Presence of Heparins
Monitoring of Anticoagulant Activity of Dabigatran and Rivaroxaban in the Presence of Heparins Open
The routine monitoring of direct oral anticoagulants (DOACs) may be considered in patients with renal impairment, patients who are heavily obese, or patients requiring elective surgery. Using the heparin-binding copolymer (HBC) and polybre…
View article: Separated Micelles Formation of pH-Responsive Random and Block Copolymers Containing Phosphorylcholine Groups
Separated Micelles Formation of pH-Responsive Random and Block Copolymers Containing Phosphorylcholine Groups Open
The self-assembly of pH-responsive random and block copolymers composed of 2-(N,N-diisopropylamino)ethyl methacrylate and 2-methacryloyloxyethyl phosphorylcholine was investigated in aqueous media. Their pH-responsive behaviors were invest…
View article: Self-Organized Nanoparticles of Random and Block Copolymers of Sodium 2-(Acrylamido)-2-methyl-1-propanesulfonate and Sodium 11-(Acrylamido)undecanoate as Safe and Effective Zika Virus Inhibitors
Self-Organized Nanoparticles of Random and Block Copolymers of Sodium 2-(Acrylamido)-2-methyl-1-propanesulfonate and Sodium 11-(Acrylamido)undecanoate as Safe and Effective Zika Virus Inhibitors Open
A series of anionic homopolymers, poly(sodium 2-(acrylamido)-2-methyl-1-propanesulfonate) (PAMPS) and amphiphilic copolymers of AMPS and sodium 11-(acrylamido)undecanoate (AaU), both block (PAMPS75-b-PAaUn), and random (P(AMPSm-co-AaUn)), …
View article: A New Year’s Message 2022
A New Year’s Message 2022 Open
We greatly appreciate the contribution of Editorial Board Members, Guest Editors, reviewers, authors, and all related colleagues over the past year [...]
View article: pH.Responsive Polyion Complex (PIC) Vesicles Covered with Phosphorylcholine Groups.Containing Shells
pH.Responsive Polyion Complex (PIC) Vesicles Covered with Phosphorylcholine Groups.Containing Shells Open
pH–responsive polyion complex (PIC) vesicles were prepared, that collapse under acidic conditions such as those inside a lysosome. Furthermore, at acidic conditions, cationic polymer was released from the PIC vesicles to break the lysosome…
View article: Development and structural analysis of dual-thermo-responsive self-assembled zwitterionic micelles
Development and structural analysis of dual-thermo-responsive self-assembled zwitterionic micelles Open
Zwitterionic polymer-based dual thermoresponsive micelles were synthesized. Structural investigations revealed that they exhibit both liquid–liquid phase separation and coil–globule transition and the size scale of each transition is diffe…
View article: Preparation of a thermo-responsive drug carrier consisting of a biocompatible triblock copolymer and fullerene
Preparation of a thermo-responsive drug carrier consisting of a biocompatible triblock copolymer and fullerene Open
Water-soluble C 70 /triblock copolymer complexes can be used as carriers that release encapsulated drugs when heated and as photosensitizers for photodynamic therapy.
View article: Reversal Activity and Toxicity of Heparin-Binding Copolymer after Subcutaneous Administration of Enoxaparin in Mice
Reversal Activity and Toxicity of Heparin-Binding Copolymer after Subcutaneous Administration of Enoxaparin in Mice Open
Uncontrolled bleeding after enoxaparin (ENX) is rare but may be life-threatening. The only registered antidote for ENX, protamine sulfate (PS), has 60% efficacy and can cause severe adverse side effects. We developed a diblock copolymer, h…