Sökning: "Åsa Holm"

Hittade 4 avhandlingar innehållade orden Åsa Holm.

  1. 1. Dose Plan Optimization in HDR Brachytherapy using Penalties : Properties and Extensions

    Författare :Åsa Holm; Torbjörn Larsson; Åsa Carlsson Tedgren; Göran Sporre; Linköpings universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; MATHEMATICS; MATEMATIK;

    Sammanfattning : High dose-rate (HDR) brachytherapy is a specific type of radiotherapy used to treat tumours of for example the cervix, prostate, and breasts. In HDR brachytherapy applicators are implanted into or close to the tumour volume. A radioactive source is moved through these applicators and stops at certain positions, known as dwell points. LÄS MER

  2. 2. Mathematical Optimization of HDR Brachytherapy

    Författare :Åsa Holm; Torbjörn Larsson; Åsa Carlsson Tedgren; Jeroen Beliën; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : One out of eight deaths throughout the world is due to cancer. Developing new treatments and improving existing treatments is hence of major importance. In this thesis we have studied how mathematical optimization can be used to improve an existing treatment method: high-dose-rate (HDR) brachytherapy. LÄS MER

  3. 3. Communicating references in geographically separated collaborative work : an exploratory study

    Författare :Åsa Holm; Luleå tekniska universitet; []
    Nyckelord :ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Industrial Work Environment; Industriell produktionsmiljö;

    Sammanfattning : This thesis is about collaboration between geographically separated small enterprises and how they manage their collaborative efforts. The issue has been explored by studying how the collaborating colleagues handle references during telephone conversations. LÄS MER

  4. 4. Leishmania donovani lipophosphoglycan : effects on actin and phagosomal maturation

    Författare :Åsa Holm; Maria Fällman; Linköpings universitet; []
    Nyckelord :MEDICINE; MEDICIN;

    Sammanfattning : Leishmania donovani promastigotes survive intracellularly in macrophages by inhibiting phagosomal maturation. This ability is conferred by surface lipophosphoglycan (LPG), which is transferred to the host-cell plasma and phagosomal membranes during phagocytosis. LÄS MER