Results 1 to 10 of about 2,523 (182)

Molecular design of dynamically thermoresponsive biomaterials [PDF]

Science and Technology of Advanced Materials
Dynamically thermoresponsive biomaterials, particularly those utilizing poly(N-isopropylacrylamide) (PNIPAAm), have attracted much attention in biomedical applications due to their reversible phase transition near body temperature.
Jun Kobayashi, Masamichi Nakayama, Kenichi Nagase   +2 more
doaj   +2 more sources

Functional aligned mesenchymal stem cell sheets fabricated using micropatterned thermo-responsive cell culture surfaces [PDF]

Materials Today Bio
Mesenchymal stem cells (MSCs) are frequently applied for cell transplantation and regenerative therapy because they secrete diverse therapeutic cytokines that prompt immuno-stimulatory and tissue repair processes. Furthermore, cultured MSC sheets exhibit
Kenichi Nagase, Hasumi Kuramochi, David W. Grainger, Hironobu Takahashi   +3 more
doaj   +2 more sources

Temperature Responsive Polymer Conjugate Prepared by “Grafting from” Proteins toward the Adsorption and Removal of Uremic Toxin

Molecules, 2022
In this study, temperature-responsive polymer-protein conjugate was synthesized using a “grafting from” concept by introducing a chain transfer agent (CTA) into bovine serum albumin (BSA).
Erika Yoshihara, Makoto Sasaki, Ahmed Nabil, Michihiro Iijima, Mitsuhiro Ebara   +4 more
doaj   +1 more source

Fast and Large Shrinking of Thermoresponsive Hydrogels with Phase-Separated Structures

Gels, 2021
Thermoresponsive poly(N-isopropylacrylamide) (PNIPAAm) hydrogels have been attracting attention in a variety of functional materials, such as biomaterials, because they exhibit a volume phase transition phenomenon near physiological temperatures. However,
Taehun Chung, Im Kyung Han, Jihoon Han, Kyojin Ahn, Youn Soo Kim   +4 more
doaj   +1 more source

Magnetic Poly(N-isopropylacrylamide) Nanocomposites: Effect of Preparation Method on Antibacterial Properties

Nanoscale Research Letters, 2017
The most challenging task in the preparation of magnetic poly(N-isopropylacrylamide) (Fe3O4-PNIPAAm) nanocomposites for bio-applications is to maximise their reactivity and stability.
Nhung H. A. Nguyen, Mohamed S. A. Darwish, Ivan Stibor, Pavel Kejzlar, Alena Ševců   +4 more
doaj   +1 more source

Evaluation of a temperature-responsive magnetotocosome as a magnetic targeting drug delivery system for sorafenib tosylate anticancer drug

Heliyon, 2023
In this investigation, a polymeric fusion of chitosan (CS) and thermosensitive poly (N-isopropyl acrylamide) - PNIPAAm - encapsulated a magnetotocosome, biocompatible nanocarrier.
Fariba Razmimanesh, Gholamhossein Sodeifian   +1 more
doaj   +1 more source

Dual Functional Ultrafiltration Membranes with Enzymatic Digestion and Thermo-Responsivity for Protein Self-Cleaning

Membranes, 2018
Controlling surface–protein interaction during wastewater treatment is the key motivation for developing functionally modified membranes. A new biocatalytic thermo-responsive poly vinylidene fluoride (PVDF)/nylon-6,6/poly(N-isopropylacrylamide ...
Anbharasi Vanangamudi, Ludovic F. Dumée, Mikel C. Duke, Xing Yang   +3 more
doaj   +1 more source

Smart Hydrogel Formed by Alginate-g-Poly(N-isopropylacrylamide) and Chitosan through Polyelectrolyte Complexation and Its Controlled Release Properties

Gels, 2022
Smart hydrogels that can respond to external stimuli such as temperature and pH have attracted tremendous interest for biological and biomedical applications.
Min Liu, Jingling Zhu, Xia Song, Yuting Wen, Jun Li   +4 more
doaj   +1 more source

Synthesis of PNIPAAm-g-P4VP Microgel as Draw Agent in Forward Osmosis by RAFT Polymerization and Reverse Suspension Polymerization to Improve Water Flux

Molecules, 2022
Microgels have unique and versatile properties allowing their use in forward osmosis areas as a draw agent. In this contribution, poly(4-vinylpyridine) (P4VP) was synthesized via RAFT polymerization and then grafted to a poly(N-Isopropylacrylamide ...
Yi Gao, Xuesong Yao, Qinggeng Jiang, Jianhe Liao, Yongping Chen, Rentong Yu   +5 more
doaj   +1 more source

Dual-Responsive Alginate Hydrogels for Controlled Release of Therapeutics

Molecules, 2019
In this work, with the drug oxytetracycline (OTC) released, cell cytotoxicity and antimicrobial studies of dual-responsive sodium alginate and N-Isopropylacrylamide hydrogels (SA/pNIPAAm) with enclosed OTC were investigated. The molecular OTC release was
Xuexia Lin, Qiaoqiao Ma, Jianlong Su, Cui Wang, Ranjith Kumar Kankala, Mingrong Zeng, Honggui Lin, Shu-Feng Zhou   +7 more
doaj   +1 more source