The present work is intended to describe the design aspects of microfluidic structures applicable to dilute and transport analyte solutions to the sensing areas of biosensors. The behaviours of different chaotic mixer structures were analyzed numerically and experimentally to determine their efficiency. The characterized microstructures were realised in poly(dimethylsiloxane) (PDMS) by micro-fabrication and integrated into real microfluidic transport systems. Biological analyte was applied to verify their practical performance.
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