Bakgrund: HA nanogel is composed of cholesterol substituted hyaluronic acid (HA), which forms a nano-sized hydrogel particle in water by self-assembly. HA nanogel can host various types of drug molecules via hydrophobic and ionic interaction. This can be used to reach sustained release and to solubilize/de-aggregate drugs. HA nanogel can load versatile drug molecules such as proteins, peptides, and small molecules.
Task: Investigate the interaction between hydrophobically modified hyaluronic acid and model peptides to understand how aggregation and phase behaviour can be used to gain systems for sustained subcutaneous (injectable) drug delivery.
Methodology: Use of light scattering and fluorescence techniques to characterize aggregation and particle gel formation and Small-angle X-ray Scattering (SAXS) to characterize phase structure. Rheological behaviour will be investigated to understand injectability and dissolution studies to understand in-vitro release performance.
Supervisor: Prof. Per Hansson, institutionen för läkemedelskemi, UU. The work will be part of the SweDeliver center including collaborations with industrial partners such as for example AstraZeneca
Per Hansson, Marcus Wanselius