Search for dissertations about: "13C and 15N NMR spectroscopy"

Showing result 6 - 10 of 10 swedish dissertations containing the words 13C and 15N NMR spectroscopy.

  1. 6. Development of NMR methods for studies of dynamics and structure : applications to motilin, Alzheimer β-peptide and ubiquitin

    University dissertation from Stockholm : Stockholm University

    Author : Peter Damberg; [2001]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Biophysics; biofysik;

    Abstract : NMR spin relaxation was used to study structure and dynamics of two biologically important peptides.The first case concerns the three-dimensional structure of the 22 amino acid residue peptide hormone motilin in the presence of SDS micelles, which mimic a biomembrane environment. READ MORE

  2. 7. Protein structures and protein-solvent interactions : Development and application of methods in high-resloultion nuclear magnetic resonance spectroscopy

    University dissertation from Stockholm : Karolinska Institutet, false

    Author : Hannes Ponstingl; Karolinska Institutet.; Karolinska Institutet.; [1998]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Abstract : Nuclear magnetic resonance (NMR) spectroscopy in solution was used for the structural characterization of the proteins glutaredoxin-3 and flavodoxin from E. coli. A new NMR technique for the measurement of three-bond a proton-amide proton scalar coupling constants was developed. READ MORE

  3. 8. Molecular dynamics studied by NMR relaxation experiments. Characterization of functional dynamics in the FK506 binding protein FKBP12

    University dissertation from Department of Biophysical Chemistry, Lund University

    Author : Ulrika Brath; Lunds universitet.; Lund University.; [2008]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; nuclear magnetic resonance; NMR; FK506; protein dynamics; chemical exchange; spin relaxation; FKBP12; FKBP; isotope labeling;

    Abstract : The presented thesis work is concerned with the study of molecular dynamics using liquid nuclear magnetic resonance (NMR) spectroscopy. Spin relaxation dispersion experiments in the rotating frame (R1ρ) are employed to provide a detailed, atomic-resolution view of protein dynamics. READ MORE

  4. 9. Symmetry of Halonium Complexes in Solution

    University dissertation from Department of Biophysical Chemistry, Lund University

    Author : Anna-Carin Carlsson; Göteborgs universitet.; Gothenburg University.; [2012]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; bis pyridine -based halonium complexes; ethylenehalonium ions; structure symmetry; isotopic perturbation of equilibrium; solution NMR spectroscopy; isotope effects; N-X -N halogen bond; C-X -C interaction;

    Abstract : In this thesis the symmetry of two interaction types involving electropositive halogens have been studied in solution; the N-X+-N halogen bond (X = Br or I), and the C-X+-C interaction of previously characterised, cyclic, 1,2-bridged halonium ions (X = Cl or Br), respectively. The three N-X+-N model structures included are bispyridine, 1,2-bis(pyridine-2-ylethynyl)benzene and 1,2-bis((4-methylpyridin-2-yl)ethynyl)benzene halonium triflate complexes. READ MORE

  5. 10. Experimental and Computational Magnetic Resonance Studies of Selected Rare Earth and Bismuth Complexes

    University dissertation from Luleå University of Technology

    Author : Vasantha Gowda; Luleå tekniska universitet.; [2017]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Chemistry of Interfaces; Gränsytors kemi;

    Abstract : The rare-earth elements (REEs) and bismuth, being classified as the ‘most critical raw materials’ (European Raw Materials Initiatives, 2017), have a high economic importance to the EU combined with a high relative supply risk. REEs are highly important for the evolving technologies such as clean-energy applications, high-technology components, rechargeable batteries, permanent magnets, electric and hybrid vehicles, and phosphors monitors. READ MORE