Polymerization-induced self-assembly via thermal initiation
Polymerization induced thermal self assembly (PITSA)
... Introduction Self-assembled amphiphilic polymer nanoparticles have garnered substantial attention as potential delivery vehicles due to high stability at low solution concentrations, molecular encapsulation ...
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Polymerization-induced self-assembly of block copolymer nanoparticles via RAFT non-aqueous dispersion polymerization
... polymerization of styrene in ethanol or methanol received considerable attention, with a wide range of block copolymer morphologies being obtained. However, relatively slow rates of polymerizations and ...
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Polymerization-Induced Self-Assembly of All-Acrylic Diblock Copolymers via RAFT Dispersion Polymerization in Alkanes
... of polymerization of the core and stabilizer blocks, and choice of ...reversible thermal transitions are observed below ∼ 15 ° C and above ∼ 67 ° ...
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Polymerization-Induced Self-Assembly of Block Copolymer Nano-objects via RAFT Aqueous Dispersion Polymerization
... of polymerization because of the reduced radical fl ux, this problem can be alleviated, by using a suitable low- temperature ...dispersion polymerization of HPMA using a PEG 113 ...the polymerization ...
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RAFT-Mediated Polymerization-Induced Self-Assembly
... • Initiation in ...under thermal-, redox- or ...the self-assembly. In emulsion polymerization for example, the desired block copolymer self- assembly may thus compete with ...
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Polysulfobetaine-based diblock copolymer nano-objects via polymerization-induced self-assembly
... mean DP of the structure-directing hydrophobic PHPMA block and the copolymer concentration enables pure spheres, worms or vesicles to be obtained. However, construction of a detailed phase diagram is required for ...
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Polysulfobetaine-based diblock copolymer nano-objects via polymerization-induced self-assembly
... mean DP of the structure-directing hydrophobic PHPMA block and the copolymer concentration enables pure spheres, worms or vesicles to be obtained. However, construction of a detailed phase diagram is required for ...
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A Critical Appraisal of RAFT-Mediated Polymerization-Induced Self-Assembly
... It is well-documented that reproducible PISA syntheses require th e co nstruction o f detailed ph ase dia- grams. 34,56,59,64−66,70,72,89,90,103,150,152,155,172,191 This is partic- ularly true if the worm phase is ...
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Toward sulfur free RAFT polymerization induced self assembly
... gy, with the big advantage that conventional organo- sulfur based RAFT agents can be omitted. ASSOCIATED CONTENT Supporting Information. Materials and methods. Reaction schemes for the macromonomer synthesis and its ...
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A Robust Cross-Linking Strategy for Block Copolymer Worms Prepared via Polymerization-Induced Self-Assembly
... by polymerization-induced self-assembly in concentrated aqueous solution by targeting a constant core-forming block DP of 144 in each ...degelation via a worm-to-sphere transition. ...
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Rational Synthesis of Low-Polydispersity Block Copolymer Vesicles in Concentrated Solution via Polymerization-Induced Self-Assembly.
... robust polymerization-induced self-assembly (PISA) formulations based on living radical polymerization o ff ers an opportunity to overcome such limitations: vesicles can now be prepared ...
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Optimization of the high-throughput synthesis of multiblock copolymer nanoparticles in aqueous media: Via polymerization-induced self-assembly
... emulsion polymerization was conducted on a 15 to 20 mL scale using a propeller stirrer at stirring speeds of 350, 450, 550 and 650 rpm and with an anchor stirrer at stirring speeds of 150, 250 and 350 rpm (see ...
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Phenyl acrylate is a versatile monomer for the synthesis of acrylic diblock copolymer nano-objects via polymerization-induced self-assembly
... sheets are sufficiently deformable to enable vesicle formation to occur via ‘wrap up’. The visual appearance of PAA 26 -PPhA 147 (entry 6 in Table 2) was a turbid free-flowing dispersion, which is characteristic of ...
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Testing the Vesicular Morphology to Destruction: Birth and Death of Diblock Copolymer Vesicles Prepared via Polymerization-Induced Self-Assembly
... formulation. A G 55 chain transfer agent is utilized to prepare a series of G 55 -H x diblock copolymers, where the mean degree of polymerization (DP) of the membrane-forming block (x) is varied from 200 to 2000. ...
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PH-Responsive Schizophrenic Diblock Copolymers Prepared by Polymerization-Induced Self-Assembly
... ■ CONCLUSIONS In summary, doubly pH-responsive ampholytic diblock copolymer nanoparticles can be conveniently prepared via RAFT-mediated PISA in acidic aqueous media. Such formulations are a substantial ...
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Permeable protein loaded polymersome cascade nanoreactors by polymerization induced self assembly
... 1-3 Self- assembled bilayer structures, such as liposomes, used to encapsulate functional macromolecules, can be consid- ered as minimal artificial cells, or ...interact via an enzymatic cascade ...
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Polymerization induced self assembly : tuning of morphology using ionic strength and pH
... 16, 23, 25, 28, 33, 34 In recent work, 35 we demonstrated how CO 2 can be used to tune the particle morphology in dispersion PISA. Polymeric nanoparticles comprising block copolymers with cationic, 28, 34, 36-38 anionic ...
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Preparation and Cross-Linking of All-Acrylamide Diblock Copolymer Nano-Objects via Polymerization-Induced Self-Assembly in Aqueous Solution
... There are numerous literature examples of thermoresponsive diblock copolymer nano-objects prepared by RAFT aqueous dispersion polymerization. Such behavior has been reported for relatively weakly hydrophobic ...
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Polydimethylsiloxane-Based Diblock Copolymer Nano-objects Prepared in Nonpolar Media via RAFT-Mediated Polymerization-Induced Self-Assembly
... of post mortem TEM F C B MA 20%) yielded spheres for x = 25, whereas higher order morphologies were observed when targeting W 90, the resulting viscous liquids consisted of mixed phases of spheres and worms. A pure ...
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Polydimethylsiloxane-based diblock copolymer nano-objects prepared in nonpolar media via RAFT-mediated polymerization-induced self-assembly
... of post mortem TEM F C B MA 20%) yielded spheres for x = 25, whereas higher order morphologies were observed when targeting W 90, the resulting viscous liquids consisted of mixed phases of spheres and worms. A pure ...
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