Berlin 2018 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 32: Poster Session II

CPP 32.3: Poster

Tuesday, March 13, 2018, 14:00–16:00, Poster B

Sophisticated Techniques to Implement Hydrogel Components into Microsystems — •Anthony Beck, Philipp Jan Mehner, Philipp Frank, Sebastian Häfner, Georgi Paschew, and Andreas Richter — Technische Universität Dresden, Institute of Semiconductors and Microsystems, Chair of Microsystems, 01062 Dresden, Germany

The successful miniaturization and commercialization of fully integrated microfluidic systems with monolithic active-material components is still under development. For example, feasible micro-valve concepts have been demonstrated that show promising potential for high integration on lab-on-chips and other applications. Due to the wide range of synthesis procedures, design parameters and the challenge to develop reproducible hydrogel-based components, the high degree of integration of hydrogels still cannot accomplish the expectations which were made by many researches.

We propose a reliable, systematic investigation on lithographical structuring hydrogels and MEMS-compatible fabrication techniques which make it possible to simultaneously and quickly integrate many different hydrogel-based components in one system. In the field of microfluidics, the channel shapes, number and geometry of various hydrogel-based valves and diodes have been evaluated experimentally to improve performance parameters. The proposed designs extend the application possibilities with back pressures of up to 1 bar. Important design rules for next generation highly integrated microfluidic components are formulated.