Search for dissertations about: "GROWTH MODULATION"

Showing result 1 - 5 of 181 swedish dissertations containing the words GROWTH MODULATION.

  2. 1. Modulation of retinal progenitors : A bird’s-eye view of retinal regeneration and disease

    Author : Dardan Konjusha; Finn Hallböök; Rusty Lansford; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Developmental neurobiology; Retinoblastoma; MYCN; Cone photoreceptor; Nolz1; Endothelin; Müller cells;

    Abstract : The cell populations of the retina and their intricate organization provide us with one of the most important senses – vision. All retinal cell populations are derived from a common progenitor pool as a result of tight regulation of proliferation, differentiation, dedifferentiation, and programmed cell death. READ MORE

  4. 2. Fundamental processes in thin film growth : The origin of compressive stress and the dynamics of the early growth stages

    Author : Daniel Magnfält; Ulf Helmsersson; Eric Chason; Linköpings universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : The fundamental mechanisms behind the generation of compressive stresses in polycrystalline thin films, the effects of pulsed deposition fluxes on the dynamics of the early growth stages as well as the generation of energetic Ar+ ions in high power impulse magnetron sputtering (HiPIMS) discharges has been studied in this thesis.It was found that compressive film stresses in Mo films deposited using energetic vapor fluxes are correlated with high film densities while only a slight lattice expansion compared to relaxed Mo was found. READ MORE

  5. 3. Tryptophan photoproducts : regulation of CYP1A1 transcription and modulation of cell growth

    Author : Yu-Dan Wei; Dieter Schrenk; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; toxikologisk genetik; Genetic Toxicology;

    Abstract : The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor involved in the regulation of many drug-metabolizing enzymes. The regulation of cytochrome P4501A1 (CYP1A1) has been most intensively studied. READ MORE

  6. 4. Modulation Properties of Vertical Cavity Light Emitters

    Author : Renaud Stevens; KTH; []
    Keywords : Semiconductor lasers; VCSEL; high-speed modulation; fibre optic networks; datacom; RCLED; plastic optical fibre;

    Abstract : It is estimated that, between the year 2000 and 2003, thenumber of online Internet users will grow from 250 millions to500 millions. This growth results in rapidly increasing demandfor fibre-optic communication bandwidth, occurring at alllevels: from access and local area networks (LANs) tometro-area networks (MANs). READ MORE

  7. 5. Efficient 1.3 mm GaInNAs Quantum Well Lasers for Uncooled, High Speed Operation

    Author : Yongqiang Wei; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; semiconductor laser; uncooled; temperature dependence; modulation; quantum well; molecular beam epitaxy; high speed; GaInNAs;

    Abstract : The rapid expansion of tele and data transmission systems requires an ever increasing capacity in modern optical fibre communication networks. With the implementation of short distance, high density networks, such as access networks, there is a need for cost-effective optical transmitters compatible with single mode fibres. READ MORE