Search for dissertations about: "nucleation"

Showing result 6 - 10 of 354 swedish dissertations containing the word nucleation.

  2. 6. Secondary Nucleation in Amyloid Formation

    Author : Mattias Törnquist; NanoLund: Centre for Nanoscience; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Alzheimer s disease; amyloid; Ab42; aggregation mechanism; aggregation kinetics; secondary nucleation; Protein misfolding;

    Abstract : Research into Alzheimer's disease is still hampered by a lack of fundamental understanding of the underlying mechanisms. While the aggregation of the amyloid β peptide (Aβ) into amyloid fibrils is highly implicated as a key factor in the disease, the molecular nature of its involvement has proven complex and elusive. READ MORE

  4. 7. On the nucleation and solidification of silicon and refractory materials

    Author : Lena Magnusson; KTH; []
    Keywords : Solidification; Nucleation; Interstitials; Vacancies; Undercooling; Silicon; Refractory metals; Non-transition metals; Surface energy; Interface energy; Latent heat; TECHNOLOGY; TEKNIKVETENSKAP;

    Abstract : .... READ MORE

  5. 8. Structural, Kinetic and Thermodynamic Aspects of the Crystal Polymorphism of Substituted Monocyclic Aromatic Compounds

    Author : Michael Svärd; Åke Rasmuson; Hugo Meekes; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Polymorphism; crystallization; thermodynamics; kinetics; nucleation; crystallography; solubility; phase equilibria; polymorphic transformation; solution history; metastable zone; classical theory of nucleation; two-step theory of nucleation; cluster; crystal structure prediction; lattice energy; molecular mechanics; force field; electrostatic potential; potential energy hypersurface; m-aminobenzoic acid; m-hydroxybenzoic acid; Chemical engineering; Kemiteknik;

    Abstract : This work concerns the interrelationship between thermodynamic, kinetic and structural aspects of crystal polymorphism. It is both experimental and theoretical, and limited with respect to compounds to substituted monocyclic aromatics. READ MORE

  6. 9. Water Condensation and Freezing in the Atmosphere: Exploring Deliquescence and Ice Nucleation

    Author : Dimitri Castarède; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Hygroscopicity; Deliquescence; Atmosphere; Particles; Ice Nucleation; Ice Nucleation Chamber;

    Abstract : Atmospheric aerosols play key roles in numerous atmospheric processes. They affect human health, are substrates and components for atmospheric chemistry, and via their contribution to clouds affect the water cycle and the energy balance of the planet. READ MORE

  7. 10. Helium Filled Bubbles in Solids : Nucleation, Growth and Swelling

    Author : Odd Runevall; Nils Sandberg; Charlotte Becquart; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Helium; Radiation Damage; DFT; molybdenum; MgO;

    Abstract : When nuclear fuel, fabricated for the purpose of transmuting spent fuel is irradiated, significant amounts of He is produced from alpha particles mainly emitted when 242Cm decays into 238Pu. From irradiation experiments it is known that the presence of He in the solids alters the swelling behaviour of the material. READ MORE