A pyrene end-labeled double hydrophilic diblock copolymer, poly(2-(diethylamino)ethyl methacrylate)-b-poly(2-(dimethylamino)ethyl methacrylate) (Py-PDEA-b-PDMA), was synthesized by sequential monomer addition via oxyanionic polymerization using a 1-pyrenemethanol-based initiator. This diblock copolymer exhibits reversible pH-responsive micellization behavior in aqueous solution, forming PDEA-co...

Polymeric vesicles with tertiary amine and epoxy functional groups were fabricated via the reversible addition-fragmentation chain transfer (RAFT) dispersion polymerization of 2-(diisopropylamino) ethyl methacrylate (DIPEMA) glycidyl (GlyMA) in an ethanol-water mixture by using poly (ethylene oxide)-4-(4-Cyanopentanoic acid) dithiobenzoate (mPEG45-CPADB) as macro-chain-transfer agent (macro-CTA...

Abstract In this work, we synthesized an ionic liquid (IL)—(Dimethylamino)ethyl Methacrylate maleate ([DMAEMA]MA) as the crosslinker, through one-pot to hydrogels with high adsorption capacity for dye in water. Both anionic dyes (methylene blue, rhodamine B) and cationic (congo red, eosin could be adsorbed by type of hydrogel different mechanism, its methylene blue (MB), B (RHB), congo red (CR)...

We investigated the behavior of a pH-responsive polystyrene?b?poly(2-dimethylamino)ethyl methacrylate (PS?b?PDMAEMA) diblock copolymer at air/water interface. synthetized different copolymers with small hydrophobic PS block constant length attached to polyelectrolyte PDMAEMA blocks various lengths. demonstrate that Langmuir monolayer is formed collapsed anchoring hydrophilic By combining macros...

We explored the effect of an applied electric field on molecular conformation two weak polyelectrolytes grafted gold electrodes?poly(acrylic acid) and polybase poly(2-(dimethylamino)ethyl methacrylate)?by combining a quartz crystal microbalance with electrochemical setup. Our results indicate that different mechanisms influence response to externally potential difference, including modification...

In recent years supramolecular structures built from macrocyclic compounds have attracted tremendous interest due to the unique properties derived from dynamic self-assembly. Our study proposes a two-step mechanism to form a supramolecular hydrogel system: (1) the formation of micelles, and (2) micelle association with α-cyclodextrin (α-CD) due to threading of PEGMA in the α-CD cavity, forming ...

PURPOSE The relation between transfection efficiency of DNA/polymer complexes and DNA conformational alterations is investigated. The buffering capacity of several synthetic polymers is also studied to relate their performance in transfection efficiency. METHODS The cationic polymer/DNA interaction was evaluated by measuring the alteration of DNA secondary structures in solution before and af...

Abstract Structural electrolytes provide mechanical properties approaching structural resin combined with a high degree of ionic conductivity. Here, based on bisphenol A diglycidyl ether and the liquid 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide (EMIM-TFSI) were synthesised through reaction induced phase separation (RIPS) using isophorone diamine (iPDA) as curing agent. The m...