Results 31 to 40 of about 4,470 (211)

Injectable thermosensitive chitosan/gelatin hydrogel for dental pulp stem cells proliferation and differentiation [PDF]

BioImpacts, 2023
Introduction: Biocompatible and biodegradable scaffolds based on natural polymers such as gelatin and chitosan (CS) provide suitable microenvironments in dental tissue engineering.
Mohammad Samiei, Elaheh Dalir Abdollahinia, Nazanin Amiryaghoubi, Marziyeh Fathi, Jaleh Barar, Yadollah Omidi   +5 more
doaj   +1 more source

L-Lysine-Modified pNIPAm-co-GMA Copolymer Hydrogel for pH- and Temperature-Responsive Drug Delivery and Fluorescence Imaging Applications

Gels, 2023
The development of dual-stimuli-responsive hydrogels attracts much research interest owing to its unique stimuli-responsive characteristics. In this study, a poly-N-isopropyl acrylamide-co-glycidyl methacrylate-based copolymer was synthesized by ...
Madhappan Santhamoorthy, Ramkumar Vanaraj, Kokila Thirupathi, Selvakumari Ulagesan, Taek-Jeong Nam, Thi Tuong Vy Phan, Seong-Cheol Kim   +6 more
doaj   +1 more source

In Situ Preparation of Tannic Acid-Modified Poly(N-isopropylacrylamide) Hydrogel Coatings for Boosting Cell Response

Pharmaceutics
The improvement of the capability of poly(N-isopropylacrylamide) (PNIPAAm) hydrogel coating in cell adhesion and detachment is critical to efficiently prepare cell sheets applied in cellular therapies and tissue engineering.
Jufei Xu, Xiangzhe Liu, Pengpeng Liang, Hailong Yuan, Tianyou Yang   +4 more
doaj   +1 more source

Aptamer and PNIPAAm co-conjugated nanoparticles regulate activity of enzyme with different temperature

, 2016
In this paper, we described a temperature responsive nano-system that can regulate activity of enzyme with different temperature. Temperature responsive polymer poly(N-isopropylacrylamide) (PNIPAAm), with low critical solution temperature of 32 degrees
Dong, Tingting, Yu, Jiemiao, Liang, Xiangfeng, Liu, Huizhou, Rong, Meng, Qu, Hongnan, Yang, Liangrong   +6 more
core   +1 more source

Suspension Culture of Mammalian Cells Using Thermosensitive Microcarrier that Allows Cell Detachment without Proteolytic Enzyme Treatment

Cell Transplantation, 2010
Microcarriers are used to expand anchorage-dependent cells in large-scale suspension bioreactors. Proteolytic enzyme treatment is necessary to detach cells cultured on microcarriers for cell harvest or scale-up, but the enzyme treatment damages the cells
Hee Seok Yang, Oju Jeon, Suk Ho Bhang, Soo-Hong Lee, Byung-Soo Kim   +4 more
doaj   +1 more source

Structurally isolated photoactuation of graphene-mixed temperature-responsive hydrogels in soft-rigid series structure

ROBOMECH Journal, 2019
This paper presents fabrication and actuation methods for a soft microrobot with a hybrid structure composed of soft microactuators and a rigid supporting body.
Tomoki Watanabe, Yoshiyuki Yokoyama, Takeshi Hayakawa   +2 more
doaj   +1 more source

PNIPAAM grafted particle monoliths: parameters affecting structure and morphology [PDF]

Journal of Porous Materials, 2008
Crosslinked polystyrene latex particles generated with surfactant free emulsion polymerization were functionalized with thin layer of ATRP initiator on the surface. The functionalized particles were aggregated as physical networks using high shear techniques.
Mittal, V., Matsko, N.B.
openaire   +2 more sources

Poly(N-isopropylacrylamide) and Copolymers: A Review on Recent Progresses in Biomedical Applications

Gels, 2017
The innate ability of poly(N-isopropylacrylamide) (PNIPAAm) thermo-responsive hydrogel to copolymerize and to graft synthetic polymers and biomolecules, in conjunction with the highly controlled methods of radical polymerization which are now available ...
Sonia Lanzalaco, Elaine Armelin
doaj   +1 more source

A dual-gelling poly(N-isopropylacrylamide)-based ink and thermoreversible poloxamer support bath for high-resolution bioprinting

Bioactive Materials, 2022
Extrusion bioprinting is a popular method for fabricating tissue engineering scaffolds because of its potential to rapidly produce complex, bioactive or cell-laden scaffolds.
Adam M. Navara, Yu Seon Kim, Yilan Xu, Christopher L. Crafton, Mani Diba, Jason L. Guo, Antonios G. Mikos   +6 more
doaj   +1 more source

Atmospheric Water Harvesting Through Polymer Hydrogel Sorbents: Materials Chemistry, Design Strategies, and Applications

Advanced Science, EarlyView.
Polymer‐based hydrogels have emerged as promising materials for atmospheric water harvesting (AWH) due to their high water affinity, tunable network structure, and excellent moisture adsorption‐desorption performance. Functional hydrogel systems enable efficient water capture and controlled release under low‐energy conditions, offering a sustainable ...
Swagata Datta, Sushmit Sen, Nilanjan Dey, Amrita Chatterjee, Ananya Sadhu, Sudipta Sarkar, Pradip K. Maji   +6 more
wiley   +1 more source