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Showing 1 to 16 of 16 for “"amphiphilic block copolymer"”.
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Synthesis and catalytic testing of a proline functionalized amphiphilic block copolymer
… consumed. The use of catalyst functionalized amphiphilic copolymer allows easier recovery of the catalyst at the end of the synthesis and allows for the reaction. In water, under appropriate conditions, the amphiphilic block copolymers will form micelles and allow the reaction to occur on the …
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Amphiphilic block copolymer micelles : creation of functional nanocavities and their use as nanocontainers for controlled release
Block copolymers in solution can self-assemble in to a variety of morphologies, with features on the nanometer length scale. This has lead to significant recent research into this assembly process and a wide range of potential applications. The exchange of block copolymer molecules between micelles …
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Templated aqueous synthesis of inorganics within carboxyl-containing block copolymer domains
… inorganic materials in carboxyl-functionalized block copolymer domains (nanoreactors) were demonstrated. First, the successful application of electroless metal deposition within the sub-surface lamellar domains of an amphiphilic block copolymer is presented. Several electroless metals were …
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Design, Synthesis, and Characterization of Magnetite Clusters using a Multi Inlet Vortex Mixer
… of magnetite nanoparticles stabilized with an amphiphilic block copolymer. It outlines a method to design and form well-defined and colloidally stable magnetite clusters. A Multi Inlet Vortex mixer (MIVM) was used because it is a continuous process that yields particles with relatively narrow …
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Block copolymer-templated iron oxide nanoparticles for bimodal growth of multi-walled carbon nanotubes
… a simple poly(styrene-b-acrylic acid) (PS-b-PAA) amphiphilic block copolymer. The amphiphilic PS-b-PAA block copolymer forms micelles, when dissolved in toluene, with anionic carboxylic acid groups available from the PAA.
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Developments in the chemistry and nanodelivery of platinum anticancer agents
… constructs based on the biocompatible amphiphilic block copolymer, PLGA-PEG, have been devised that are capable of delivering both hydrophobic and hydrophilic platinum complexes. Nanoparticle encapsulation has a significant effect on the in vivo properties of the platinum(IV) prodrug …
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Novel Counterflow Reactor for Continuous Templated Synthesis of Semiconductor Nanocrystals
… microemulsion formed by the self-assembly of an amphiphilic block copolymer in the presence of both a polar and non-polar solvent. This microemulsion contains a group-II salt in the dispersed phase which is then contacted with a group-VI hydride gas reactant inside the nanodomains of the …
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Nanoemulsion-like Polymersomes for Nanoreactors
Self-assembly of block copolymers in various selective solvents provides a means to control nanostructures. Among selective solvents, ionic liquids (ILs) are of great interest as reaction media, with the possibility of replacing organic solvents. However, the implementation ILs is limited by their …
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Synthesis of Amphiphilic Block Copolymers for Use in Biomedical Applications
… in this thesis focuses on the synthesis of three amphiphilic block copolymer systems containing poly(ethylene oxide) (PEO) blocks. The polymer systems were developed for use in biomedical applications. The first of these is a series of poly(ethylene oxide-b-oxazoline) (PEO-b-POX) diblock …
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DESIGN AND SYNTHESIS OF BLOCK COPOLYMERS THAT SELF ASSEMBLE INTO MICELLES WITH CONTROLLED ACID AND LIPASE CATALYZED DEGRADATION
Poly (ε-caprolactone) block poly (ethylene glycol) (PCL-b-PEG) is typical amphiphilic block copolymer that self assembles into micelles in water where the hydrolytically stable hydrophilic PEG segment forms the exterior corona and the core contains the hydrophobic degradable PCL block. Micelles …
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Efficient Drug and Nucleic Acid Delivery Systems based on Synthetic Amphiphiles with Tuned Oil/Water Interfaces
… novel oil/water interface-engineered amphiphilic block copolymer micelles that were previously introduced by our lab were assessed for their stability in the presence of various esterase enzymes present in serum and on blood vessel walls, normally encountered by drug delivery systems …
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New block copolymers of Isobutylene by combination of cationic and anionic polymerizations
… presented in this thesis deal with the new block copolymers of isobutylene by combination of cationic and anionic polymerizations, which are new materials with numerous promising potential applications. A new method for the synthesis of tailored polyisobutylene(PIB)-based block copolymer by …
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Synthesis and Characterization of Tailored Macromolecules via Stable Free Radical Polymerization Methodologies
… employed in the synthesis of various block and random acrylate copolymers. The production of a unique amphiphilic block copolymer consisting of acrylic sequences was achieved. Poly(t-butyl acrylate-b-2ethylhexyl acrylate-b-t-butyl acrylate) was synthesized using the SFRP process. The …
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Smart organic-inorganic nanohybrids of functionalized silsesquioxane nanoparticles
… polymer systems were used for the organic side: amphiphilic block copolymer micelles of poly(n-butyl acrylate)-block-poly(acrylic acid) and star-shaped poly(acrylic acid)s, the latter serving as a model system for frozen micelles. In all cases the mixing of aqueous solutions of anionic block …
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Synthesis and investigation of UV-cured, complex amphiphilic polymer films for use in anti-biofouling applications
… research included the development of novel amphiphilic anti-fouling coatings having complex surface topography and compositional heterogeneity and a fundamental investigation of their properties. These films were cultivated as non-fluorinated or non-fluorinated/non-PEGylated analogs to the …
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Lineare und verzweigte Blockcopolymere aus Polypeptiden und synthetischen Polymeren
… linearen und verzweigten amphiphilen Polypeptid-Blockcopolymeren. Die Frage nach dem Einfluss der Topologie und Konformation der Blockcopolymere auf die supramolekularen und kolloidalen Eigenschaften bildete einen wichtigen Aspekt bei den Untersuchungen. Die Blockcopolymere wurden nach einem …