Results 1 to 10 of about 14,766 (136)

Constrained thermoresponsive polymers – new insights into fundamentals and applications [PDF]

open access: yesBeilstein Journal of Organic Chemistry, 2021
In the last decades, numerous stimuli-responsive polymers have been developed and investigated regarding their switching properties. In particular, thermoresponsive polymers, which form a miscibility gap with the ambient solvent with a lower or upper ...
Patricia Flemming   +3 more
doaj   +2 more sources

Programed Thermoresponsive Polymers with Cleavage-Induced Phase Transition [PDF]

open access: yesMolecules, 2022
A new programed upper critical solution temperature-type thermoresponsive polymer was developed using water-soluble anionic polymer conjugates derived from polyallylamine and phthalic acid with cleavage-induced phase transition property. Intrinsic charge
Yukiya Kitayama   +4 more
doaj   +2 more sources

Entropy Rules: Molecular Dynamics Simulations of Model Oligomers for Thermoresponsive Polymers [PDF]

open access: yesEntropy, 2020
We attempted to attain atomic-scale insights into the mechanism of the heat-induced phase transition of two thermoresponsive polymers containing amide groups, poly(N-isopropylacrylamide) (PNIPAM) and poly(2-isopropyl-2-oxazoline) (PIPOZ), and we ...
Alexander Kantardjiev, Petko M. Ivanov
doaj   +2 more sources

Thermoresponsive and Fluorescent Polymers: From Nanothermometers to Smart Drug Delivery Systems for Theranostics Against Cancer [PDF]

open access: yesPharmaceutics
This mini-review article is focused on polymeric materials that comprise thermoresponsive and fluorescent organic units. The combination of fluorescent clusters/dots embedded in or grafted with polymers is not considered in this article.
Mirian A. González-Ayón   +3 more
doaj   +2 more sources

Amphiphilic Thermoresponsive Triblock PLA-PEG-PLA and Diblock mPEG-PLA Copolymers for Controlled Deferoxamine Delivery [PDF]

open access: yesGels
This study focuses on the synthesis and characterization of thermoresponsive hydrogels of poly(lactic acid) (PLA) and poly(ethylene glycol) (PEG), PLA–PEG copolymers, aiming at the targeted and controlled release of deferoxamine (DFO), a clinically ...
Nikolaos D. Bikiaris   +6 more
doaj   +2 more sources

Molecular dynamics simulations evidence the thermoresponsive behavior of PNIPAM and PDEA in glycerol solutions

open access: yesFrontiers in Nanotechnology, 2023
Polymers exhibiting thermoresponsive behavior above a lower critical solution temperature (LCST) undergo a coil-to-globule phase transition that has many biomedical applications, including biosensing, the control of release devices, and gene or drug ...
Scott D. Hopkins   +3 more
doaj   +1 more source

Chitosan-Based Biocompatible Copolymers for Thermoresponsive Drug Delivery Systems: On the Development of a Standardization System

open access: yesPharmaceutics, 2021
Chitosan is a natural polysaccharide that is considered to be biocompatible, biodegradable and non-toxic. The polymer has been used in drug delivery applications for its positive charge, which allows for adhesion with and recognition of biological ...
Lorenzo Marsili   +3 more
doaj   +1 more source

Thermoresponsive polymer assemblies via variable temperature liquid-phase transmission electron microscopy and small angle X-ray scattering

open access: yesNature Communications, 2021
Thermoresponsive polymers are used in numerous technological applications but well established, direct techniques for elucidating their elevated temperature, solution-phase, nanoscale morphologies and dynamics are lacking.
Joanna Korpanty   +4 more
doaj   +1 more source

Preparation, thermoresponsive behavior, and preliminary biological study of functionalized poly(N-isopropylacrylamide-co-dopamine methacrylamide) copolymers with an organotin(IV) compound

open access: yesPolymer Testing, 2021
Recent advances focused on smart polymers have demonstrated the numerous advantages regarding other structures because they can adapt the behavior depending on physicochemical properties.
Alberto García-Peñas   +6 more
doaj   +1 more source

Thermoresponsive Cationic Polymers: PFAS Binding Performance under Variable pH, Temperature and Comonomer Composition

open access: yesGels, 2022
The versatility and unique qualities of thermoresponsive polymeric systems have led to the application of these materials in a multitude of fields. One such field that can significantly benefit from the use of innovative, smart materials is environmental
E. Molly Frazar   +3 more
doaj   +1 more source

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