Sökning: "prenatal x-ray"

Hittade 4 avhandlingar innehållade orden prenatal x-ray.

  1. 1. Synchrotron-based characterization of mechanobiological effects on the nanoscale in musculoskeletal tissues

    Författare :Isabella Silva Barreto; Avdelningen för Biomedicinsk teknik; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanoscale; microscale; mechanical properties; synchrotron; x-ray imaging; collagen; hydroxyapatite; biomechanics; experimental mechanics; x-ray tomography; small-angle x-ray scattering SAXS ; wide-angle x-ray scattering WAXS ; x-ray fluorescence XRF ; small-angle x-ray scattering tensor tomography SASTT ; Fourier-transform infrared spectroscopy FTIR ; polarized light microscopy PLM ; bone development; Achilles tendon; tendon healing;

    Sammanfattning : Collagen is the main organic building block of musculoskeletal tissues. Despite collagen being their smallest load bearing unit, these tissues differ significantly in mechanical function and properties. A major factor behind these differences is their hierarchical organization, from the collagen molecule up to the organ scale. LÄS MER

  3. 2. Prenatal Ultrasound and X-ray - Potentially Adverse Effects on the CNS

    Författare :Karin Glimskär Stålberg; Helle Kieler; Ove Axelsson; Bengt Haglund; Eleni Petridou; Uppsala universitet; []
    Nyckelord :Obstetrics and gynaecology; ultrasound; X-ray; fetus; risk; childhood cancer; schizophrenia; Obstetrik och kvinnosjukdomar;

    Sammanfattning : The aim with this thesis was to assess the impact of prenatal ultrasound exposure on psychotic illness, childhood brain tumors (CBT) and school achievement, and to evaluate prenatal X-ray exposure and the risk of CBT.In a cohort study, children born in Malmö 1973-1978, where prenatal ultrasound was used routinely, were considered exposed (n=13, 212) and children born at hospitals with no use of ultrasound, were considered unexposed (n=357,733). LÄS MER

  4. 3. Perinatal Risk Factors for Childhood Leukemia

    Författare :Estelle Naumburg; Eleni Petridou; Uppsala universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Obstetrics and gynaecology; Childhood leukemia; infant leukemia; leukemia epidemiology; supplementary oxygen; perinatal risk factors; perinatal infection; prenatal ultrasound; prenatal x-ray; Obstetrik och kvinnosjukdomar; Obstetrics and women s diseases; Obstetrik och kvinnosjukdomar; pediatrik; Pediatrics;

    Sammanfattning : The aim of the studies described in this thesis was to assess the association between certain perinatal factors and the risk of childhood lymphatic and myeloid leukemia and infant leukemia. The five studies presented were all conducted in Sweden as population-based case-control studies. LÄS MER

  5. 4. Enamel of primary teeth - morphological and chemical aspects

    Författare :Nina Sabel; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Demineralization; Enamel; Enamel hypoplasia; Microradiography; Mineralization; Neonatal line; Polarized light microscopy; Scanning electron microscopy; Secondary ions mass spectrometry; X-ray microanalysis;

    Sammanfattning : Enamel is one of the most important structures of the tooth, both from a functional and esthetic point of view. Primary enamel carries registered information regarding metabolic and physiological events that occurred during the period around birth and the first year of life. LÄS MER