Search for dissertations about: "NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi"

Showing result 1 - 5 of 49 swedish dissertations containing the words NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi.

  1. 1. 5-Aminolevulinic acid and derivatives thereof properties, lipid permeability and enzymatic reactions

    University dissertation from Örebro : Örebro universitet

    Author : Edvin Erdtman; Leif Eriksson; Tore Brinck; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; 5-Aminolevulinic acid; tautomerization; PDT; DFT; MM; QM MM; Porphobilinogen synthase; Uroporphyrinogen III decarboxylase; membrane penetration; enzyme mechanism; NATURAL SCIENCES Chemistry Physical chemistry Biophysical chemistry; NATURVETENSKAP Kemi Fysikalisk kemi Biofysikalisk kemi; NATURAL SCIENCES Chemistry Theoretical chemistry Quantum chemistry; NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi; NATURAL SCIENCES Chemistry Theoretical chemistry; NATURVETENSKAP Kemi Teoretisk kemi; Fysikalisk kemi; Physical Chemistry; Biochemistry; Biokemi;

    Abstract : 5-aminolevulinic acid (5-ALA) and derivatives thereof are widely usedprodrugs in treatment of pre-malignant skin diseases of the cancer treatmentmethod photodynamic therapy (PDT). The target molecule in 5-ALAPDTis protoporphyrin IX (PpIX), which is synthesized endogenously from5-ALA via the heme pathway in the cell. READ MORE

  2. 2. 5-Aminolevulinic acid and derivatives thereof properties, lipid permeability and enzymatic reactions

    University dissertation from Örebro : Örebro universitet

    Author : Edvin Erdtman; Leif Eriksson; Tore Brinck; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; 5-Aminolevulinic acid; tautomerization; PDT; DFT; MM; QM MM; Porphobilinogen synthase; Uroporphyrinogen III decarboxylase; membrane penetration; enzyme mechanism; NATURAL SCIENCES Chemistry Physical chemistry Biophysical chemistry; NATURVETENSKAP Kemi Fysikalisk kemi Biofysikalisk kemi; NATURAL SCIENCES Chemistry Theoretical chemistry Quantum chemistry; NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi; NATURAL SCIENCES Chemistry Theoretical chemistry; NATURVETENSKAP Kemi Teoretisk kemi;

    Abstract : 5-aminolevulinic acid (5-ALA) and derivatives thereof are widely usedprodrugs in treatment of pre-malignant skin diseases of the cancer treatmentmethod photodynamic therapy (PDT). The target molecule in 5-ALAPDTis protoporphyrin IX (PpIX), which is synthesized endogenously from5-ALA via the heme pathway in the cell. READ MORE

  3. 3. Development and Application of a First Principle Molecular Model for Solvent Effects

    University dissertation from Avdelningen för teoretisk kemi

    Author : Anders Öhrn; [2008]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Theoretical chemistry; quantum chemistry; Teoretisk kemi; kvantkemi; magnetisk resonans; Fysikalisk kemi; Physical chemistry; gränsskikt; Ytkemi; Surface and boundary layery chemistry; spektroskopi; egenskaper elektriska; magnetiska och optiska ; supraledare; Kondenserade materiens egenskaper:elektronstruktur; spectroscopy; relaxation; magnetic resonance; supraconductors; magnetic and optical properties; Kemi; Condensed matter:electronic structure; electrical; Solvent model; Solvochromatic shift; Chemistry; Solvent effects; Solvation; Intermolecular interactions; Quantum chemistry; Statistical mechanics;

    Abstract : A considerable part of chemistry in nature and industry, takes place in an environment of other molecules. Reactions, transitions, interactions or other chemical processes are almost always modified by the environment. READ MORE

  4. 4. Quantum photoelectrochemistry : Theoretical studies of organic adsorbates on metal oxides surfaces

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Petter Persson; Uppsala universitet.; [2000]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURAL SCIENCES Chemistry Theoretical chemistry Quantum chemistry; NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi; Quantum Chemistry; kvantkemi; Quantum chemistry; Quantum chemistry; photoelectrochemistry; metal oxide surfaces; organic adsorbates; Kvantkemi;

    Abstract : Interactions between organic molecules and transition metal oxide surfaces have been investigated by means of quantum chemical calculations. The studies have been aimed at understanding electrode-adsorbate interactions in photoelectrochemical devices, such as dye-sensitized solar cells. READ MORE

  5. 5. Green Propellants

    University dissertation from Stockholm : KTH

    Author : Martin Rahm; Tore Brinck; Eva Malmström Johnsson; Thomas Klapötke; [2010]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Quantum chemistry; reaction kinetics; ammonium dinitramide; high energy density materials; rocket propellants; chemical spectroscopy; polymer synthesis; NATURAL SCIENCES Chemistry Theoretical chemistry Quantum chemistry; NATURVETENSKAP Kemi Teoretisk kemi Kvantkemi; NATURAL SCIENCES Chemistry Physical chemistry; NATURVETENSKAP Kemi Fysikalisk kemi;

    Abstract : To enable future environmentally friendly access to space by means of solid rocket propulsion a viable replacement to the hazardous ammonium perchlorate oxidizer is needed. Ammonium dinitramide (ADN) is one of few such compounds currently known. READ MORE