Search for dissertations about: "Olof Ramström"

Showing result 6 - 10 of 25 swedish dissertations containing the words Olof Ramström.

  2. 6. Efficient Carbohydrate Synthesis By Intra- and Supramolecular Control

    Author : Hai Dong; Olof Ramström; Ulf Nilsson; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Carbohydrate Chemistry; Supramolecular Control; Ambident Reactivity; Bioorganic chemistry; Bioorganisk kemi;

    Abstract : The Lattrell-Dax method of nitrite-mediated substitution of carbohydrate triflates is an efficient method to generate structures of inverse configuration. In this study, the effects of the neighboring group on the Lattrell-Dax inversion were explored. READ MORE

  4. 7. Signal Enhancement by Dynamic Polymers in Quartz Crystal Microbalance Applications

    Author : Gunnar Dunér; Olof Ramström; Ian Nicholls; Andra Dedinaite; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Signal enhancement; QCM; polyelectrolytes; hydrogel; iniferter; photopolymerization; dynamic polymers; Chemistry; Kemi;

    Abstract :  This licentiate thesis presents studies of signal enhancement by dynamic polymers in quartz crystal microbalance (QCM) applications. The aim of the study has been to determine the potential for the use of polymers on QCM sensors for signal enhancement in molecular interaction studies. READ MORE

  5. 8. Synthesis of Organic Chromophores for Dye Sensitized Solar Cells

    Author : Daniel Hagberg; Licheng Sun; Olof Ramström; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Organic Chromophores; Dye Sensitized Solar Cells; Organic chemistry; Organisk kemi;

    Abstract : This thesis is divided into four parts with organic chromophores for dye sensitized solar cells as the common feature and an introduction with general concepts of the dye sensitized solar cells. The first part of the thesis describes the development of an efficient organic chromophore for dye sensitized solar cells. READ MORE

  6. 9. Resolution of Dynamic Systems: Applications in Asymmetric Synthesis and Materials Science

    Author : Lei Hu; Olof Ramström; Douglas Philp; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Kemi; Chemistry;

    Abstract : This thesis is built on the concepts of constitutional dynamic chemistry and dynamic kinetic resolution, where reversible covalent reactions are used to generate dynamics and kinetically controlled reactions are employed for resolution. The thesis is divided into two parts:The first section focuses on the study of dynamic systemic resolution, a concept derived from constitutional dynamic chemistry. READ MORE

  7. 10. Multifunctional Glyconanomaterials : Applications in Biorecognition and Drug Delivery

    Author : Zhou Juan; Ramström Olof; Ravin Narain; KTH; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; glyconanomaterials; cellulose nanocrystals; chitin nanocrystals; mesoporous silica nanoparticles; lectin; biorecognition; drug delivery; bacteria; cytotoxicity; perfluorophenylazide; fluorescent dye; carbohydrate ligands.;

    Abstract : This thesis consists of three parts, which revolve around the fabrication of multifunctional glyconanomaterials (cellulose nanocrystals, chitin nanocrystals, mesoporous silica nanoparticles) and the development of their applications in biorecognition and nanomedicine.Part one presents a detailed introduction to glyconanomaterials, focusing on cellulose nanocrystals, chitin nanocrystals and mesoporous silica nanoparticles, including their general preparations, properties and applications. READ MORE