Development of dynamic chip-based immunoassays (fluorescence correlation spectroscopy), development of bio-analysis modules, chip-based cryo-procedures, cell handling by dielectrophoresis electrophoresis, analysis of cell substrat interactions (total reflection aqueous fluorescence microscopy), hard- and software development, prototype manufacturing of microstructures by excimer laser, lab-on-chip for customer-oriented cell characterisation and cell separation, animal cell culture, cell trace analysis and single cell characterisation, bio-nanotechnology.