Sökning: "Orlando"

Visar resultat 11 - 15 av 23 avhandlingar innehållade ordet Orlando.

  1. 11. From Polysaccharides to Functional Materials for Trace Pharmaceutical Adsorption

    Författare :Zhaoxuan Feng; Minna Hakkarainen; Rojas Orlando J; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; NATURVETENSKAP; NATURAL SCIENCES; Chitosan; cellulose; nanographene oxide; carbon spheres; hydrogel; microsphere; adsorbent; pharmaceutical; microwave; spray-drying; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : The transition to bioeconomy will reduce our dependency on fossil fuels as well as contribute to a more sustainable society. Within this framework, exploitation and development of renewable substitutes to petroleum-based products provides feasible roadmap for the material design. LÄS MER

  2. 12. Corrosion protection and nanomechanical properties of waterborne acrylate-based coating with and without nanocellulose on carbon steel

    Författare :Yunjuan He; Per M. Claesson; Orlando Rojas; KTH; []
    Nyckelord :Hydroxyacrylate-melamine copolymer; cellulose nanocrystals CNC ; cellulose nanofibrils CNF ; Electrochemical impedance spectroscopy EIS ; atomic force microscopy AFM ; corrosion protection performance; water uptake; nanomechanical and nano-wear properties; coating; nanocomposite.; Hydroxyakrylat-melamin-sampolymer; cellulosananokristaller CNC ; cellulosananofibriller CNF ; Elektrokemisk impedansspektroskopi EIS ; atomkraftsmikroskopi AFM ; korrosionsskyddsprestanda; vattenupptag; nanomekaniska egenskaper och nano-slitage; coating; nanokomposit.; Kemi; Chemistry;

    Sammanfattning : Corrosion protection is commonly achieved by applying a thin polymer coating on metal surfaces. In this doctoral thesis, a waterborne hydroxyacrylate-melamine copolymer coating was used for this purpose. The first step was to find the optimal curing conditions. LÄS MER

  3. 13. Electrochemical Application and AFM Characterization of Nanocomposites : Focus on Interphase Properties

    Författare :Hui Huang; Per Claesson; Orlando Rojas; KTH; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Electrochemical sensor; nanocomposite; graphene; carbon nanotubes; phytic acid; polyaniline; corrosion protection; silica nanoparticles; atomic force microscopy; interphase; Kemi; Chemistry;

    Sammanfattning : The use of graphene and conductive polyaniline nanomaterials in the field of electrochemistry is increasing due to their excellent conductivity, rapid electron transfer and high specific surface area. However, these properties are strongly dependent on the preparation processes. LÄS MER

  4. 14. Inferring Evolutionary Processes of Humans

    Författare :Sen Li; Mattias Jakobsson; Ludovic Orlando; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Approximate Bayesian Computation; TMRCA; demography; human evolution; Bantu-Expansion; Out-of-Africa;

    Sammanfattning : More and more human genomic data has become available in recent years by the improvement of DNA sequencing technologies. These data provide abundant genetic variation information which is an important resource to help us to understand the evolutionary history of humans. LÄS MER

  5. 15. Nanocellulose-based materials: from colloidal assembly to functional films

    Författare :Yingxin Liu; Lennart Bergström; German Salazar-Alvarez; Orlando Rojas; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Materials Chemistry; materialkemi;

    Sammanfattning : The assembly of nature-based nanomaterials into complex architectures is both a design principle of biological composites, e.g., wood and nacre with outstanding properties and a promising route for developing functional macroscopic materials. LÄS MER