The synthesis and radical polymerization of ionic liquids based on 1-vinyl imidiazole are described that led to a new family poly(1-vinyl-3-alkyl-imidazolium) halides. Interestingly, the solubility these polymers is easily tuned by simple anion-exchange reaction. With this method polyelectrolytes soluble in variety organic solvents such as acetone, 2-butanone, tetrahydrofuran prepared.

Different ionic liquids (ILs) have been used as dopants in conducting polymer aqueous dispersion (PEDOT:PSS) leading to films of PEDOT:PSS/IL with enhanced electrical conductivity (up 136 S cm-1). After the addition ILs, AFM images show a three-dimensional network highly PEDOT exhibiting preferred paths for charge carrier transport.

Three imidazolium-based ionic liquid (IL) monomers, namely, 3-(1-ethyl imidazolium-3-yl)propylmethacrylamido bromide (IL-1), 2-(1-methylimidazolium-3-yl)ethyl methacrylate (IL-2), and 2-(1-ethylimidazolium-3-yl)ethyl (IL-3), methacrylic acid (MAA) were polymerized by the reversible addition fragmentation chain transfer (RAFT) process in methanolic solutions at 70 °C, using either 2-cyanopropyl dithiobenzoate (CTA-1) or (4-cyanopentanoic acid)-4-dithiobenzoate (CTA-2) as agents (CTAs). Under...

Single-chain nanoparticles (SCNPs) are unimolecular soft nano-objects, consisting of individual polymer chains collapsed to a certain degree by means intramolecular bonding. Many the potential applications SCNPs rely on their particular molecular architecture. Even if ultimate goal is produce globular protein-like nanoparticles, recent small-angle neutron scattering (SANS) and X-ray (SAXS) results-supported computer simulations-indicate that in solution actually adopt sparse configurations....

The development of simple, efficient, and robust strategies affording the facile construction biomimetic organocatalytic nano-objects is currently a subject great interest. Herein, new pathway to artificial organocatalysts based on partially collapsed individual soft displaying useful diverse catalytic functions reported. Single-chain polymer nanoparticles endowed with enzyme-mimetic activity synthesized following this route display (i) relatively extended morphology under good solvent...

Mimicking the substrate specificity and catalytic activity of enzymes is great interest for different fields (e.g., chemistry, biology, nanomedicine). Enhanced reaction rates using artificial, enzyme-mimic catalysts based on a variety molecular structures nanoentities macrocyclic compounds, star helical polymers, dendrimers) have been previously reported. However, examples enzyme-sized soft entities displaying are certainly scarce. Herein, we report synthesis characterization single-chain...

Dynamic covalent enamine cross-links facilitate the reversible structural interconversion of dynamic single-chain polymer nanoparticles into linear chains using pH as a trigger.

We report herein a very efficient synthesis strategy for the construction of artificial transient-binding protein-mimic nano-objects. Michael addition-mediated multidirectional self-assembly individual polymeric chains at r.t. leads to "Michael" nanocarriers that in solution resemble disordered multidomain proteins, as revealed by combination small angle neutron scattering measurements and coarse-grained molecular dynamics simulation results, whereas dry state adopt collapsed, globular...

This review summarizes the opportunities offered by internal and external confinement of single-chain nanoparticles (SCNPs) in catalysts, drug delivery, sensing, other emerging potential applications.

Photocatalyzed reactions of organic substances in aqueous media are challenging transformations, often because scarce solubility substrates and catalyst deactivation. Herein, we report single-chain nanoparticles, SCNPs, capable efficiently catalyzing four different "in water" by employing visible light as the only external energy source. Specifically, decorated a high-molecular-weight copolymer, poly(OEGMA300-r-AEMA), with iridium(III) cyclometalated complex pendants at varying content...

Abstract Summary: In this work, we report the synthesis of a great variety polycations with varying counter‐anions. These new polymers were obtained by simple anion exchange reaction facilitated phase separation resulting products. This strategy has been successfully applied to three different polycations, poly(1‐vinyl‐3‐ethylimidazolium bromide) poly(ViEtIm + Br − ), poly(1‐ethyl‐4‐vinylpyridinium poly(ViEtPy and poly(methacryloyloxyethyltrimethylammonium chloride) poly(EMTMA Cl seven...

Novel epoxy-based blends containing 30 wt % star styrene-b-butadiene block copolymers epoxidized at several degrees (SepB) have been investigated in order to analyze the effect of epoxidation degree on ability these produce nanostructures inside epoxy matrix as well their network structure matrix. For neat styrene−butadiene (SB) and SepB15-modified systems, macroscopic phase separation was observed. The SepB 40−76 mol %, however, yielded hexagonally ordered formed by PS cylinders arranged...

Carbon nanotubes, gold nanorods, and silver nanoparticles can be transferred from water to organic solvents back again by using polymeric ionic liquids (PILs) as vehicles (see scheme). The PILs are able trap several nano-objects during their anion-exchange-induced precipitation in water. This reversible process provides a PIL/nano-object composite that is fully redispersible solvents.

Abstract A highly efficient room‐temperature synthetic route to bioconjugable polymeric nanoparticles in the 5–20 nm size range based on single‐chain intramolecular click cycloaddition is described. It illustrated by preparing cross‐linked NPs from poly[MMA‐ co ‐(3‐azidopropyl methacrylate)‐ ‐(3‐trimethylsilyl‐propyn‐1‐yl methacrylate)] terpolymers using a one‐pot procedure and continuous addition technique. For with an excess of azide groups, aminoacid/PMMA were easily obtained performing...

We investigate, by means of computer simulations, the formation soft nanoparticles irreversible intramolecular cross-linking homofunctional polymer precursors in good solvent. Simulations reveal that early and intermediate stages process are dominated bonding at short contour distances. Because initial self-avoiding character precursor, long distances, which is efficient mechanism for global compactation, a rare event essentially occurs late stage cross-linking. Thus, with identical...

The added value behind reversible bonds is the possibility to develop responsive structurally dynamic materials, which can adapt their constitution and, hence, properties external stimuli. In recent years, much effort has been devoted design and synthesis of single‐chain polymer nanoparticles (SCNPs) that be reversibly assembled or disassembled in response environmental changes even structure through simple exchange reactions. Here, evolution relatively new field SCNPs constructed via...

Inspired by the multifunctionality of vitamin D‐binding protein and multiple transient‐binding behavior some intrinsically disordered proteins (IDPs), a polymeric platform is designed, prepared, characterized for combined delivery dermal protective anticancer bioactive cargos on basis artificial single‐chain nano‐objects mimicking IDPs. For first time ever, simultaneous folic acid or B 9 , hinokitiol, relevant natural compound that exhibits activity against human malignant melanoma cells,...

We report a new strategy for the rapid, efficient synthesis of single-chain polymer nanoparticles (SCNPs) having nearly globular morphology in solution, by employing photoactivated radical-mediated thiol–yne coupling (TYC) reaction as driving force chain folding/collapse. Confirmation SCNP formation was carried out means combination complementary experimental techniques. Size exclusion chromatography (SEC), small-angle X-ray scattering (SAXS), and dynamic light (DLS) measurements revealed...

Abstract Single‐chain nanoparticles ( SCNPs ) are polymeric soft nano‐objects constructed via individual chain compaction which envisioned as versatile building blocks for the construction of future smart, biofunctional nanodevices. According to their morphology in solution, can be classified (i) sparse resembling intrinsically disordered proteins having local compact zones connected by flexible spacers and (ii) globular a more akin that found native, (i.e. enzymes). The objective this...