Search for dissertations about: "perea"

Found 5 swedish dissertations containing the word perea.

  2. 1. Growth hormone and somatolactin function during sexual maturation of female Atlantic salmon

    Author : Susana Benedet Perea; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Growth hormone; somatolactin; insulin-like growth factor I; GH; SL; IGFI; GHR; SLR; IGFIR; ovary maturation; reproduction; Atlantic salmon; spawning; pituitary;

    Abstract : Background and aims: The growth hormone-insulin-like growth factor I (GH-IGF-I) system is known to act during sexual maturation of female salmonids, but the specific roles are not known. Somatolactin (SL) is a pituitary hormone closely related to GH and is only found in fish. In some species, including salmonids, there are two forms, SLa and SLß. READ MORE

  4. 2. Microscopic Modeling of Exciton Propagation and Dissociation in Two-Dimensional Materials

    Author : Raul Perea Causin; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; 2D materials; excitons; dissociation; many-particle physics; propagation; dynamics;

    Abstract : Atomically thin materials have been in the spotlight of research during the last decade due to their exceptional properties, providing a platform for the study of novel physical phenomena. In particular, transition metal dichalcogenides (TMDs) have emerged as promising atomically thin materials for future optoelectronic applications owing to their strong light-matter interaction and their high tunability. READ MORE

  5. 3. Microscopic Theory of Charge Complexes in Atomically-Thin Materials

    Author : Raul Perea Causin; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; phonons; trions; dynamics; propa- gation; excitons; many-body physics; dissociation; photoluminescence; 2D materials;

    Abstract : Atomically-thin materials have emerged as the most promising two-dimensional platform for future optoelectronic applications and for the study of quantum many-body physics. In particular, transition metal dichalcogenides (TMDs) exhibit strong Coulomb interaction, resulting in the formation of tightly-bound electron-hole complexes that dominate optics, dynamics, and transport. READ MORE

  6. 4. Effects of behavioural flexibility and habitat complexity on predator-prey interactions in fish communities

    Author : Peter Eklöv; Gary G. Mittelbach; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; predator-prey interactions; behavioural flexibility; habitat complexity; foraging mode; sit-and-wait; group foraging; Perea fluviatilis; Esox lucius; Rutilus rutilus; size-structured interactions; species-specific antipredator behaviour; proximate cues; habitat distribution; temporal patterns;

    Abstract : .... READ MORE

  7. 5. Biochemical genetic variation, intraspecific genetic structure and postglacial evolution of select north European vertebrate species

    Author : Ulf Gyllensten; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Evolution biologi ; Populationsgenetik;

    Abstract : Analysis of the tempo and mode of intraspecific differentiation provides important information for understanding subspeciation, for construction of taxonomic hierarchies within a species and for management of genetic variation in natural populations.The present thesis describes the genetic structure of natural populations of willow grouse (Lagopus tagopus L. READ MORE