Results 61 to 70 of about 15,659,103 (221)

Molecular insight into the lower critical solution temperature transition of aqueous alkyl phosphonium benzene sulfonates [PDF]

, 2019
Ionic liquid (IL)-water mixtures can exhibit a lower critical solution temperature (LCST) transition, but changes in long-range order and local molecular environment during this transition are not comprehensively understood.
Kang, Hyungmook, Wilson, Aaron D, Kostecki, Robert, Suich, David E, Urban, Jeffrey J, Davies, James F   +5 more
core   +1 more source

Waveguide Photoactuators: Materials, Fabrication, and Applications

Advanced Robotics Research, EarlyView.
Waveguide photoactuators convert guided light into mechanical motion. Their tethered‐flexible design enables minimally invasive surgery and confined‐space robotics. This review aims to guide materials selection, device design, and system integration, accelerating the transition of waveguide photoactuators from laboratory prototypes to versatile ...
Minjie Xi, Hemin Pan, Yang Zong, Yongfeng Mei, Jizhai Cui   +4 more
wiley   +1 more source

Temperature Driven Transformation in Dextran-Graft-PNIPAM/Embedded Silver Nanoparticle Hybrid System

International Journal of Polymer Science, 2019
During the last decade, stimuli-responsible polymers based on poly(N-isopropylacrylamide) having conformational transition in the range of physiological temperature have been discussed as novel drug delivery nanosystems.
V. Chumachenko, N. Kutsevol, Iu Harahuts, D. Soloviov, L. Bulavin, O. Yeshchenko, A. Naumenko, O. Nadtoka, A. Marinin   +8 more
doaj   +1 more source

Thickness-Dependent Swelling Behavior of Vapor-Deposited Hydrogel Thin Films

Proceedings, 2018
Hydrogel thin films containing temperature sensitive chemical functionalities (such as N-isopropylacrylamide, NIPAAm) are particularly interesting for sensor and actuator setups.
Fabian Muralter, Alberto Perrotta, Anna Maria Coclite   +2 more
doaj   +1 more source

Development of a novel micro-bead force spectroscopy approach to measure the ability of a thermo-active polymer to remove bacteria from a corneal model

Scientific Reports, 2021
Microbial keratitis occurs from the infection of the cornea by fungi and or bacteria. It remains one of the most common global causes of irreversible blindness accounting for 3.5% (36 million) of blind people as of 2015.
J. Pattem, T. Swift, S. Rimmer, T. Holmes, S. MacNeil, J. Shepherd   +5 more
doaj   +1 more source

Force–Displacement Characterization of PNIPAM Microactuators

Advanced Robotics Research, EarlyView.
A method to experimentally establish a force–displacement diagram of poly(N‐isopropyl acrylamide) (PNIPAM) microactuators, printed by 2PP, is presented herein. PNIPAM is a hydrogel whose volume and stiffness change with temperature due to the absorption or release of water.
Manon Cassignol, Esra Yalcinkaya, Adam Chafaï, Jérémy Odent, Pierre Lambert   +4 more
wiley   +1 more source

Tuning the Thermoresponsiveness of Weak Polyelectrolytes by pH and Light:  Lower and Upper Critical-Solution Temperature of Poly(N,N-dimethylaminoethyl methacrylate)

, 2017
The presence of multivalent counterions induces an upper critical solution temperature (UCST) in addition to the known lower critical solution temperature (LCST) of poly(N,N-dimethylaminoethyl methacrylate) (PDMAEMA).
Matthias Ballauff (1397416), Felix A. Plamper (1487329), Axel H. E. Müller (2462992)   +2 more
core   +1 more source

Thermo-Reversible Gelation of Aqueous Hydrazine for Safe Storage of Hydrazine

Technologies, 2020
A reversible gelation–release system was developed for safe storage of toxic hydrazine solution based on gelation at lower critical solution temperature (LCST).
Bungo Ochiai, Yohei Shimada
doaj   +1 more source

Harnessing Phase Separation for the Development of High‐Performance Hydrogels

Advanced Science, EarlyView.
ABSTRACT Hydrogels are indispensable for the development of next‐generation bioelectronics, soft robotics, and biomedical devices, where their mechanical properties determine performance and reliability. Among strategies to enhance hydrogel mechanics, phase separation enables controlled heterogeneity resulting in gel networks that are reinforced by ...
Yue Shao, Yiming Ma, Baihao Shao, Molly M. Stevens   +3 more
wiley   +1 more source

Coacervate Droplet Sequestration of Heterogeneous Nanoplastics With Elastin‐Like Polypeptides

Angewandte Chemie, EarlyView.
Phase‐separated polypeptide droplets captured incidental nanoplastics as a reusable nanoplastic sink. The engineered droplets selectively partitioned nanoplastics and exhibited unique interactions depending on droplet type and nanoplastic identity, establishing biopolymer coacervates as a potential platform for nanoplastic characterization and removal.
Natalie R. Ling, Aashi Kotecha, Allie C. Obermeyer   +2 more
wiley   +2 more sources