Sökning: "Ultraviolet radiation"

Visar resultat 1 - 5 av 130 avhandlingar innehållade orden Ultraviolet radiation.

  1. 1. Ultraviolet radiation cataract

    Författare :Konstantin Galichanin; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :lens;

    Sammanfattning : Cataract is the leading cause of blindness in the world. Epidemiological and experimental evidence supports a link between mid-range ultraviolet radiation (UVR-B) exposure and the development of cataract. LÄS MER

  3. 2. Cataract from ultraviolet radiation

    Författare :Stefan Löfgren; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Cataract; ultraviolet radiation; lens; rat; transmittance; pigment; age; pupil size.;

    Sammanfattning : Cataract is the major cause of low vision and blindness in the world. Epidemiological and experimental studies link cataract to (solar) ultraviolet radiation (UVR) exposure. Current safety limits of UVR exposure are based on animal experiments, but many factors are less well known in UVR cataractogenesis. LÄS MER

  4. 3. Ultraviolet radiation and cornea

    Författare :Alexander Podskochy; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :Cornea; UVR; keratocytes; apoptosis; Fas ligand; hyaluronan; biglycan; rabbit; wound healing.;

    Sammanfattning : Background: Acute exposure of the mammalian eye to UVR results in development of photokeratitis after a period of a few hours. Chronic exposure to UVR is associated with an increased risk of several corneal disorders, including pterygium, climatic droplet keratopathy, and climatic proteoglycan stromal keratopathy. LÄS MER

  5. 4. Ultraviolet Radiation and Squamous Cell Carcinoma in Human Skin

    Författare :Cecilia Wassberg; Olle Larkö; Uppsala universitet; []
    Nyckelord :Medical sciences; Ultraviolet radiation; squamos cell carcinoma; incidence; sunscreens; p53; DNA damage; MEDICIN OCH VÅRD; MEDICINE; MEDICIN; Dermatology and Venerology; dermatologi och venereologi;

    Sammanfattning : Ultraviolet radiation (UVR) is a major risk factor for development of skin cancer. UVR-induced DNA damage and a dysfunctional p53 protein are important steps in the development of squamous cell carcinoman in human skin (SCC). LÄS MER

  7. 5. The role of MTH1 in ultraviolet radiation-induced mutagenesis

    Författare :Asal Fotouhi; Siamak Haghdoost; Harry Vrieling; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; ultraviolet radiation; MTH1; reactive oxygen species; 8-oxo-dGTP; 2-OH-dATP; micronucleus; molekylärgenetik; Molecular Genetics;

    Sammanfattning : Ultraviolet radiation (UVR) is known to be highly mutagenic. What types of DNA lesions that are induced by different UVR wavelengths are still a matter of debate. UVR induces mutagenesis mostly by the formation of photoproducts and the induction of reactive oxygen species (ROS). LÄS MER