Sökning: "RB"
Visar resultat 1 - 5 av 97 avhandlingar innehållade ordet RB.
1. On the role of the retinoblastoma tumor suppressor gene in hematopoietic differentiation
Sammanfattning : The aim of this study was to investigate the role of some tumor suppressor gene products (with emphasis on the retinoblastoma suppressor gene product) in the regulation of differentiation and proliferation in leukemic and normal hematopoietic cells. For this purpose, the expression of the tumor suppressor genes RB, p53 and p16 were artificially altered. LÄS MER
2. Hodgkin Lymphoma : Studies of Advanced Stages, Relapses and the Relation to Non-Hodgkin Lymphomas
Sammanfattning : The relationship between Hodgkin lymphoma (HL) and non-Hodgkin lymphoma (NHL) is not entirely elucidated and a clonal relation may be present more often than previously believed. Mechanisms of tumour progression and resistance to therapy are poorly understood.Between 1974 and 1994 all individuals in Sweden with both HL and NHL were identified. LÄS MER
3. 2f-Wavelength Modulation-Diode Laser Absorption Spectroscopy of Rb
Sammanfattning : .... LÄS MER
4. Studies on Domain Wall Properties andDynamics in KTiOPO4 and Rb-doped KTiOPO4
Sammanfattning : KTiOPO4 (KTP) and Rb-doped KTP (RKTP) are two of the most attractive nonlinear opticalmaterials for engineering of periodically poled domain structures, commonly used as frequencyconversiondevices for laser radiation via the quasi-phase matching (QPM) technique. Thesematerials have excellent non-linearity, wide transparency windows and high resistance to opticaldamage. LÄS MER
5. Advanced nano- and microdomain engineering of Rb-doped KTiOPO4 for nonlinear optical applications
Sammanfattning : Fine-pitch ferroelectric domain gratings are extensively used for generation of light in the visible and near-infrared spectral regions through quasi-phase matched (QPM) frequency conversion. Sub-μm QPM devices enables demonstration of nonlinear optics with counterpropagating waves, a field of nonlinear optics which remains sparsely explored due to the difficulty of fabricatinghigh quality gratings. LÄS MER