Sökning: "controllable chemistry"

Visar resultat 1 - 5 av 22 avhandlingar innehållade orden controllable chemistry.

  1. 1. Computational Design of Molecular Motors and Excited-State Studies of Organic Chromophores

    Författare :Baswanth Oruganti; Bo Durbeej; Aurélie Perrier; Linköpings universitet; []

    Sammanfattning : This thesis presents computational quantum chemical studies of molecular motors and excited electronic states of organic chromophores.The first and major part of the thesis is concerned with the design of light-driven rotary molecular motors. LÄS MER

  2. 2. Controllable degradation product migration from biomedical polyester-ethers

    Författare :Anders Höglund; Ann-Christine Albertsson; Lars Wågberg; KTH; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; degradation products; ε-caprolactone; 1; 5-dioxepan-2-one; 6-hydroxyhexanoic acid; 3- 2-hydroxyethoxy propanoic acid; cross-linking; inflammatory response; Polymer chemistry; Polymerkemi;

    Sammanfattning : The use of degradable biomedical materials has during the past decades indeed modernized medical science, finding applications in e.g. tissue engineering and drug delivery. The key question is to adapt the material with respect to mechanical properties, surface characteristics and degradation profile to suit the specific application. LÄS MER

  3. 3. Exploiting chemical control in biomaterials

    Författare :Tove Kivijärvi; Anna Finne Wistrand; Barner-Kowollik Christopher; KTH; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; biomaterial; controllable chemistry; polyester; ring-opening polymerization; hyaluronan; degradation; photoactivation; protein release; cell differentiation; biomaterial; kontrollerbar kemi; polyester; ring-öppnings polymerisering; hyaluronsyra; nedbrytning; fotoaktivering; frigöring av protein; celldifferentiering; Fiber- och polymervetenskap; Fibre and Polymer Science;

    Sammanfattning : Chemistry and biology at the interphase will most likely give many of the answers to tomorrows medical challenges. Creating solutions to the problems at this interphase is benefiting from a collaborative research approach, driven by the need for development of chemistries or devices solving medical problems. LÄS MER

  4. 4. Chemical Pathways to Electrically Conductive Hemicellulose Hydrogels

    Författare :Weifeng Zhao; Ann-Chiristine Albertsson; Ulrica Edlund; Karin Odelius; Elisabet Brännvall; Peter Plikk; KTH; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Electrically conductive; hemicellulose; hydrogels; swelling behavior; aniline oligomers; renewable; polymer synthesis; Elektriskt ledande; hemicellulosa; hydrogel; svällning; anilinoligomerer; förnyelsebar; polymersyntes; Kemi; Chemistry;

    Sammanfattning : Hydrogels have been extensively explored and are widely used in diverse biomedical applications, such as scaffolds for tissue engineering and vehicles for drug delivery. As one type of important natural polymer-based hydrogel, hemicellulose hydrogels have interesting attributes, including being renewable, non-toxic, biocompatible, biodegradable, and abundantly available. LÄS MER

  5. 5. Development and Investigations of Novel Sample Preparation Techniques : Electrochemical Extraction and Evaluation of Miniaturized Analytical Devices Coupled to Mass Spectrometry

    Författare :Gustav Liljegren; Leif Nyholm; Jean Pettersson; Per Sjöberg; Ari Ivaska; Uppsala universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; NATURVETENSKAP; NATURAL SCIENCES; Analytical chemistry; Electrochemical extraction; Solid-phase microextraction; Solid-phase extraction; Microchip; Mass spectrometry; Polypyrrole; Pressurized-fluid extraction; Preconcentration; Electrospray ionization; Analytisk kemi; Analytical chemistry; Analytisk kemi;

    Sammanfattning : Different sample preparation steps prior to a detection method are often essential in analytical chemistry. In this thesis, both static extractions and on-line coupled solid-phase extractions have been studied in combination with different detection techniques. LÄS MER