Sökning: "Johanna Engstrand"

Hittade 2 uppsatser innehållade orden Johanna Engstrand.

  1. 1. Designing star-like block-copolymers as compartmentalized nanostructures for drug delivery applications

    Uppsats för yrkesexamina på avancerad nivå, Institutionen för materialkemi

    Författare :Johanna Engstrand; [2010]
    Nyckelord :drug delivery; polymer; ring opening polymerization; methyl trimethyl carbonates; block-copolymers; PEG;

    Sammanfattning : This thesis describes syntheses and characterization of star-like amphiphilic block copolymers consisting of poly(ethylene glycol) (PEG) as the hydrophilic block,polycarbonate as the hydrophobic block and an amine-containing dendrimer as the core molecule. The macromolecules were synthesized by either a convergent or adivergent approach that includes tandem click reactions and ring opening polymerizations (ROP) of methyl trimethyl carbonates (MTC) with differentfunctionalities. LÄS MER

  3. 2. Formal External Financing in Transition Economies - An Empirical Study with Focus on Public Ownership

    Magister-uppsats, Lunds universitet/Nationalekonomiska institutionen

    Författare :Sara Novovic Engstrand; Johanna Lundström; [2007]
    Nyckelord :regression analysis; Transition Economy; Formal Financing; Public Enterprise; Economics; econometrics; economic theory; economic systems; economic policy; Nationalekonomi; ekonometri; ekonomisk teori; ekonomiska system; ekonomisk politik; Business and Economics;

    Sammanfattning : Economic theory states that public firms are less creditworthy due to lower efficiency, and hence are expected to use less formal financing than private firms. In communist countries however, all formal capital was distributed the favored public firms and despite various market-oriented reforms in the transition economies of today, these old structures are expected to linger. LÄS MER