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Development of a fiber optics based device for nanoplasmonic colorimetric biodetection

A technology that would enable in situ detection of analytes using colorimetric assays based on gold nanoparticles would be groundbreaking and open up for numerous highly interesting applications in diagnostics, environmental, food and water quality monitoring, etc. In this project, the task is to design and fabricate a device that can be fitted to an optical fiber and house suspended nanoparticles, enabling in situ detection of nanoparticle aggregation directly in complex solutions like serum.

Supervisors: Daniel Aili and Karl Schenström

Preparation of protein films

A wide range of proteins self-assemble into so called amyloid fibrils. The mechanical properties of such fibrils are outstanding with a strength similar to that of steel. While fibril preparation is straightforward, converting fibril dispersions into macroscopic materials (films) is considerably more challenging. In this project, film formation from cheap protein sources and film functionalization with e. g. enzymes will be investigated. An intriguing future application for protein films is found in the context of anti-counterfeit labeling, but they can also prove useful for sensing or as barrier films (for e.g. oxygen and water).

Supervisor: Niclas Solin




Responsible for this page: Karin Enander
Last updated: 12/18/15