Sökning: "Henrik A. B. Johansson"

Hittade 4 avhandlingar innehållade orden Henrik A. B. Johansson.

  1. 1. Ionization and Fragmentation of Complex Molecules and Clusters : Biomolecules and Polycyclic Aromatic Hydrocarbons

    Författare :Henrik A. B. Johansson; Henning Schmidt; Henrik Cederquist; Henning Zettergren; Thomas Schlathölter; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; fysik; Physics;

    Sammanfattning : This work deals with ionization and fragmentation of biomolecules and polycyclic aromatic hydrocarbon (PAH) molecules. They are studied in the gas phase both as isolated molecules and as weakly bound clusters. LÄS MER

  3. 2. Exploring Novel Catalytic Chalcogenide Antioxidants

    Författare :Henrik Johansson; Lars Engman; Helena Grennberg; Troels Skrydstrup; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; antioxidant; tellurium; selenium; catalytic; toxicity; ROS; neutrophil; glutathione peroxidase mimic; macrophage.; Organic chemistry; Organisk kemi; Kemi med inriktning mot organisk kemi; Chemistry with specialization in Organic Chemistry;

    Sammanfattning : This thesis is concerned with the synthesis and evaluation of regenerable chalcogen containing antioxidants. Variously substituted 2,3-dihydrobenzo[b]selenophene-5-ol antioxidants were evaluated in order to gain information about structure/reactivity-relationships. LÄS MER

  4. 3. Prostate cancer aetiology : epidemiological studies of the IGF- and one-carbon metabolism pathways

    Författare :Mattias Johansson; Pär Stattin; Henrik Grönberg; Fredrik Wiklund; Jenny Chang-Claude; Umeå universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Urology and andrology; Urologi och andrologi;

    Sammanfattning : The aim of this thesis was to investigate the involvement of the insulin-like growth factor- and the one-carbon metabolism pathways in prostate cancer aetiology, studying both circulating biomarkers and genetic variation. Papers included in the thesis were conducted within the case-control study CAncer Prostate in Sweden (CAPS), and the two prospective studies European Prospective Investigation into nutrition and Cancer (EPIC), and Northern Sweden Health and Disease Cohort (NSHDC). LÄS MER

  5. 4. Protocol Design for Control Applications using Wireless Sensor Networks

    Författare :Pangun Park; Karl Henrik Johansson; Anna Scaglione; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Electrical engineering; Elektroteknik;

    Sammanfattning : Given the potential benefits offered by wireless sensor networks(WSNs), they are becoming an appealing technology for process,manufacturing, and industrial control applications. In thisthesis, we propose a novel approach to WSN protocol design forcontrol applications. LÄS MER