Sökning: "Ann-christine Albertsson"

Visar resultat 6 - 10 av 42 avhandlingar innehållade orden Ann-christine Albertsson.

1. 6. From Macromolecular Design to Supramolecular Self-assembly

   Författare :Lidija Glavas; Ann-Christine Albertsson; Karin Odelius; Matthew Becker; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Self-assembly; micelles; core crystallinity; cyclic polypeptides; electroactivity; redox-responsiveness; triggered dissociation; loading; release; N-carboxyanhydride polymerization; polyesters; poly ε-decalactone ; Självorganisation; miceller; kärnkristallinitet; cykliska polypeptider; elektroaktivitet; tidsberoende dissociation; inkapsling; frisläppning; N-karboxyanhydrid polymerisation; polyestrar; poly ε-dekalakton ; Fiber- och polymervetenskap; Fibre and Polymer Science;

   Sammanfattning : Advancements in drug delivery have enabled a wider array of prevention, control and treatment of diseases such as cancer. Drug delivery systems have the possibility of encapsulating drugs with low solubility, delivering them to specific locations in the body as well as obtaining a controlled and sustained drug release. LÄS MER

3. 7. degradable electroactive polymers: Synthesis, Macromolecular architecture and scaffold design

   Författare :Baolin Guo; Ann-Christine Albertsson; Patric Jannasch; KTH; []
   Nyckelord :Poly lactide ; poly ε-caprolactone ; ring-opening polymerization; carboxyl-capped aniline trimer; carboxyl-capped aniline pentamer; phenyl amino-capped aniline tetramer; coupling reaction; DCC DMAP system; degradability; electroactivity; conductivity; macromolecular architecture; chitosan; hydrogel; block copolymer; functionalization; oxidative coupling reaction; self-assembly; toxicity; tubular porous scaffold; neural tissue engineering.;

   Sammanfattning : Electrically conducting polymers induce specific cellular responses at the molecular level. One of the crucial limitations of the use of conducting polymers in tissue engineering is their inability to degrade. LÄS MER

4. 8. Synthesis, characterization and molecular architecture of electroactive and degradable polymers

   Författare :Baolin Guo; Ann-Christine Albertsson; Anna Finne Wistrand; Ann Cornell; Mark Rutland; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Poly L; L-lactide ; poly ε-caprolactone ; ring-opening polymerization; carboxyl-capped aniline trimer; carboxyl-capped aniline pentamer; coupling reaction; DCC DMAP system; degradability; electroactivity; conductivity; macromolecular architecture; tissue engineering; Polymer chemistry; Polymerkemi;

   Sammanfattning : The third-generation biomaterials are designed to stimulate specific cellular responses at the molecular level. Recent studies have shown that electrical signals regulate cellular activities including cell adhesion, migration, proliferation and differentiation. LÄS MER

5. 9. Controllable degradation product migration from biomedical polyester-ethers

   Författare :Anders Höglund; Ann-Christine Albertsson; Lars Wågberg; KTH; []
   Nyckelord :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

7. 10. Controlled Degradation of Polyester-Ethers Revealed by Mass Spectrometry Techniques

   Författare :Anders Höglund; Ann-Christine Albertsson; Jukka Seppälä; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Degradation products; biocompatibility; -caprolactone; 1; 5-dioxepan-2-one; 6-hydroxyhexanoic acid; 3- 2-hydroxyethoxy propanoic acid; oligomers; Polymer chemistry; Polymerkemi;

   Sammanfattning : The use of degradable biomedical materials in e.g. tissue engineering and controlled drug delivery has changed medical science during recent decades. The key question is to adapt the material with respect to mechanical properties, surface characteristics, and degradation profile to suit its intended application. LÄS MER