Showing papers in "Polymer Chemistry in 2017"

TL;DR: Recent advances in the areas of sensing and biosensing, drug delivery, and actuators are reviewed, and the group's work on poly(N-isopropylacrylamide)-based microgels and assemblies is highlighted.

TL;DR: A review of recent literature reports on the synthesis and applications of pH-responsive polymers can be found in this article, where the authors provide an analysis of some of the recent literature reported on the synthesizing and applications.

TL;DR: In this paper, the authors highlight the progress realized in recent years on light-responsive polymers and provide some guidelines towards the rational design of photo-responsive block copolymers and present the different photoresponsive moieties that have been used so far.

TL;DR: All the currently used bio-printing inks, including polymeric hydrogels, polymer bead microcarriers, cell aggregates and extracellular matrix proteins, and photocrosslinkable and thermoresponsive materials are described.

TL;DR: In this paper, three basic strategies for forming stimuli-responsive polymers are considered: RAFT polymerization of functional monomers, the post-polymerization modification of RAFT-synthesized polymers, and the use of functional RAFT agents and RAFT end-group transformation (often “grafting from”).

TL;DR: In this paper, the authors highlight recent progress in the emerging field of photo-, electro-, magnetic-and ultrasound-sensitive polymers and present novel synthetic routes to these polymers as well as their responsive properties and functions.

TL;DR: A review of the recent advances in the emerging field of thermoresponsive polyamides or polymeric amides can be found in this article, with a specific focus on structure-thermore-sponsive property relationships, self-assembly, and applications.

TL;DR: A number of different strategies for the preparation of glutathione responsive materials are described, including the use of GSH responsive linkers to prepare polymers that degrade upon exposure to millimolar concentrations of G SH, and theUse of these polymers to prepare particles that disassemble at these concentrations.

TL;DR: In this paper, a mini-review of multi-stimuli-responsive polymers is presented, which exhibit upper critical solution temperature (UCST) behavior mainly in aqueous solutions.

TL;DR: In this article, a benchtop approach is developed for the synthesis of various polymeric architectures using an aqueous Reversible Addition-Fragmentation chain Transfer (RAFT) photopolymerization technique.

TL;DR: In this article, a high-strength and highly cost-effective hydrogels with a high capacity of dye adsorption were prepared with chitosan and cellulose.

TL;DR: In this paper, the authors discuss the virtues of CO2-responsiveness by comparing with traditional stimuli-sensitive materials that respond to pH, light, or redox stimuli, and reveal the chemical fundamentals of CO 2-responsive polymer materials.

TL;DR: The effect of crosslinker, functional monomer and extraction on the long-term performance and degradation of molecularly imprinted polymers was investigated through adsorption studies, NMR, SEM, TGA and BET.

TL;DR: This review focuses on multicellular tumor spheroids (MCTS), which are currently the most widely employed 3D tumor model in preclinical studies and application of 3D MCTS to the evaluation of nanomedicines displaying various physico-chemical properties is reviewed.

TL;DR: The origin of fluorescence is deciphered by studying the photophysical properties of a series of non-aromatic biogenic and synthetic peptides by suggesting that the turn-on fluorescence in the aggregation state/condensed phase is associated with the communication of amide groups.

TL;DR: In this article, the interplay of key chemical reactions, which take place on crosslink points or on structural elements of polymeric materials with responsive modalities that drive the healing/remending mechanisms in a highly controllable manner, is discussed.

TL;DR: In this paper, the authors demonstrate that the addition of singlet oxygen quenchers such as 9,10-dimethylanthracene (DMA), ascorbic acid (AscA), and (R)-(+)-limonene (Lim) allows for oxygen tolerant PET-RAFT polymerization to be achieved in a range of other organic solvents and under low energy red light (λmax = 635 nm, 3.0 mW cm−2).

TL;DR: It is demonstrated that the PISA of identical block copolymers by either a photo or thermally initiated approach leads to structures that are both chemically and morphologically distinct.

TL;DR: This paper showed that polyhydroxyurethane (PHU) networks are intrinsically reprocessable with full property recovery via transcarbamoylation exchange reactions and reversible cyclic carbonate aminolysis through a judicious choice of monomers.

TL;DR: In this paper, an elastomeric vitrimer material was synthesized via the crosslinking of a polydimethylsiloxane bearing pendant amino functions with a bis-vinylogous urethane crosslinker.

TL;DR: An overview of the different strategies for the photopolymerization of very thick films and in shadow areas where the light penetration is inhibited (e.g. in filled, pigmented, and dispersed samples) is reported in this article.

TL;DR: The results of all the experiments indicate that the newly developed multi-functionalized hydrogel can have potential applications in biomedical fields such as drug delivery, tissue engineering, and bio-adhesives.

TL;DR: In this article, the authors provide a top ten of diffusion ordered spectroscopy (DOSY) parameters, an explanation of their source and importance, as well as suggested starting parameters and optimization for polymer/micelle samples.

TL;DR: In this paper, the trithiocarbonate RAFT agents can significantly reduce the amount of dissolved oxygen when irradiated with visible light (λmax ≈ 460 nm) in the presence of a sacrificial tertiary amine.

TL;DR: In this article, the authors explored the utilization of aromatic diselenides on the basis of their lower bond energies in comparison with their disulfide counterparts by comparing a model exchange reaction between aromatic diselsenides and aromatic disulfides.

TL;DR: In this paper, a photo-induced metal-free Atom Transfer Radical Polymerization (ATRP) by using conventional Type II photoinitiators such as benzophenone, thioxanthone, isopropyl thioxanthenone and camphorquinone as sensitizers is presented.

TL;DR: An in vitro study of cell viability showed that combination drug delivery has synergistic effects and reduces toxic side effects and DPC@MNPs is suitable as an anticancer drug nanocarrier for intracellular co-delivery to the MCF7 cell line.

TL;DR: In this paper, the effect of light intensity on photo-PISA was investigated, which showed that increasing light intensity led to faster polymerization behavior, and the sole effect of reaction temperature on PISA was studied in detail for the first time.

TL;DR: The in vitro cytotoxicity study indicates that the nanogels loaded with anticancer drugs could kill the cancer cells effectively and the effect would be enhanced when irradiated by UV light.

TL;DR: In this article, a smart environment-friendly and sustainable interpenetrating polymer network hydrogel has been synthesized by the grafting of guar gum (GG) and in situ adjunct allocation of 3-acrylamido propanoic acid (APA) during solution polymerization of acrylic acid (AA) and acrylamide (AM), using N,N′-methylenebisacryamide (MBA) and potassium persulfate (PPS)-sodium bisulfite (SBS) as a crosslinker and a