Search for dissertations about: "Cationic biodegradable polymer"

Showing result 1 - 5 of 7 swedish dissertations containing the words Cationic biodegradable polymer.

  2. 1. Functional Cyclic Carbonate Monomers and Polycarbonates : Synthesis and Biomaterials Applications

    Author : Jonas Mindemark; Tim Bowden; Andrew Dove; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; DNA condensation; gene delivery; ionomers; polyplexes; self-assembly; amphiphiles; biodegradable; biological applications of polymers; transfection; cyclic carbonate monomers; polycarbonates; semicrystalline polymers; click chemistry; triazoles; cycloaddition; Kemi med inriktning mot polymerkemi; Chemistry with specialization in Polymer Chemistry;

    Abstract : The present work describes a selection of strategies for the synthesis of functional aliphatic polycarbonates. Using an end-group functionalization strategy, a series of DNA-binding cationic poly(trimethylene carbonate)s was synthesized for application as vectors for non-viral gene delivery. READ MORE

  4. 2. Strategies for Renewable Barriers with Enhanced Performance

    Author : Anas Ibn Yaich; Ulrica Edlund; Ann-Christine Albertsson; Monika Österberg; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Wood hydrolysate; xylan; birch; layered silicates; oxygen barrier; packaging; film; coating; reductive amination; chain-extension; cationic cellulose; polyelectrolyte complexes; hemicellulose; vedhydrolysat; xylan; björk; silikat; syrgasbarriär; förpackningar; film; bestrykning; reducerande aminering; kedjeförlängning; katjonisk cellulosa; polyelektrolytkomplex; hemicellulosa; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Abstract : Forest biomass is expected to play an increasingly important role in tomorrow´s global bio-economy as one of the main renewable sources of materials, chemicals and energy. In the framework of the biorefinery concept, the forestry industry is looking for new processes to utilize several fractions in the biomass (cellulose, hemicelluloses, lignin etc. READ MORE

  5. 3. Surface Modification of Cellulose by Covalent Grafting and Physical Adsorption for Biocomposite Applications

    Author : Carl Bruce; Eva Malmström; Anna Carlmark; Linda Fogelström; Youssef Habibi; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Kemi; Chemistry;

    Abstract : There is an increasing interest to replace fossil-based materials with renewable alternatives. Cellulose fibers/nanofibrils (CNF) are sustainable options since they are biobased and biodegradable. In addition, they combine low weight with high strength; making them suitable to, for example, reinforce composites. READ MORE

  6. 4. Synthesis, Characterisation and Properties of Biomimetic Biodegradable Polymers

    Author : Fredrik Nederberg; Tim Bowden; Nicola Tirelli; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Chemistry; biodegradable polymers; biomimetic; phospholipid-like; phosphorylcholine; amphiphilic; ionomer; hemocompatible; non-adhesive; water uptake; reduced protein adsorption; protein delivery; Kemi; Chemistry; Kemi;

    Abstract : The acceptance of blood contacting implants creating favorable conditions in vivo is decisively determined by their interaction with proteins that mediate inter cellular interactions with synthetic substrates. Adsorbed proteins can activate blood cascade systems like coagulation and complement that may result in serious blood clots, and/or immunological reactions. READ MORE

  7. 5. Tailoring of Biomaterials using Ionic Interactions : Synthesis, Characterization and Application

    Author : Björn Atthoff; Jöns Hilborn; Tim Bowden; Mats Andersson; Uppsala universitet; []
    Keywords : Chemistry; biodegradable polymers; ionomer; water uptake; protein delivery; protein adsorption; protein membrane; cell seeding efficiency; amphiphillic; inner structure; polarized membrane; Kemi;

    Abstract : The interactions between polymers and components of biological systems are an important area of interest within the fields of tissue engineering, polymer chemistry, medicine and biomaterials. In order to create such a biomimetic material, it must show the inherent ability to reproduce or elicit a biological function. READ MORE