Search for dissertations about: "urea hydrogen bond"

Showing result 1 - 5 of 7 swedish dissertations containing the words urea hydrogen bond.

  2. 1. Structure Dependent Chemical and Biological Interactions of Poly(urethane urea)s

    Author : Katrin Gisselfält; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; biomaterial; synthesis; hydrogen bonding; biological interactions; structure; properties; poly urethane urea ;

    Abstract : Poly(urethane urea)s, PUURs, are widely used in both industrial and biological applications because of excellent physical and mechanical properties and good biocompatibility in a variety of applications. Both the processing and the tailoring of specific properties of PUUR demand great knowledge of structure-property relationships. READ MORE

  4. 2. Wheat Gluten -Based Materials and Composites: Extrusion, Casting and Antimicrobial Properties

    Author : Hasan Türe; Mikael Hedenqvist; José-Maria Lagaron; KTH; []
    Keywords : wheat gluten; extrusion; urea; montmorillonite; sol-gel process; hybrid materials; casting; compression moulding; potassium sorbate; antifungal; plasticiser; thermal; mechanical and barrier properties.;

    Abstract : The use of bio-based polymers as packaging materials has gained much attention due to increasing environmental concerns regarding non-biodegradable petroleum-derived plastics. Wheat gluten (WG) is a valuable renewable resource for the production of bio-based materials because of its low price, biodegradability, good film-forming properties and good gas barrier properties under dry conditions. READ MORE

  5. 3. Environmental influence on alpha-helical peptides

    Author : Ana Caballero Herrera; Karolinska Institutet; Karolinska Institutet; []
    Keywords : MD alpha helix; C-peptide; membrane proteins; hydrogen bonds; packing; dynamics;

    Abstract : Most proteins at physiological conditions fold into a native functional three-dimensional conformation. The stability of the Native state is a balance between different interactions within the protein and with the solvent. READ MORE

  6. 4. CO2 Separation with Ionic Liquids -Property, Gas solubility and Energy consumption

    Author : Yujiao Xie; Päivi Elisa Mäki-Arvela; Luleå tekniska universitet; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Energy Engineering; Energiteknik;

    Abstract : Ionic liquids (ILs) have shown great potential to be used as liquid absorbents for CO2 capture because of its advantages, such as non-volatility, functionality, high CO2 solubility and lower energy requirements for regeneration. A significant amount of research has been carried out, but most of them are on the synthesis of novel ILs and the measurements of CO2 solubility in ILs. READ MORE

  7. 5. The Synthesis and Use of Certain Pyridine Derivatives as Modulators of the G-protein Coupled Receptors mGlu5 and P2Y12

    Author : Peter Bach; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; mGluR5; P2Y12; gastroesophageal reflux disease GERD ; thrombosis; ethyl nicotinates; ureas; sulfonylureas; oxazoles; bioisosteres; regioselectivity; solvent effect.;

    Abstract : The glutamatergic mGlu5 receptor and the purinergic P2Y12 receptor are two important targets in the development of novel treatments of gastroesophageal reflux disease (GERD) and thrombosis, respectively. Synthesis was developed to investigate the structure-activity relationships (SAR) of a novel series of 2-alkynylpyridine derivatives as mGluR5 antagonists. READ MORE