Integrated Microfluidic Tissue Barrier Sensor Module for a Standardized and Modular Organ-On-Chip Platform
Jia Jun Yeh (TU Delft - Electrical Engineering, Mathematics and Computer Science, Eindhoven University of Technology)
Pratik Tawade (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Hande Aydogmus (TU Delft - Electrical Engineering, Mathematics and Computer Science)
Aniruddha Paul (University of Twente)
Germaine Aalderink (Wageningen University & Research)
Hans Bouwmeester (Wageningen University & Research)
Mathieu Odijk (University of Twente)
Jaap M.J. Den Toonder (Eindhoven University of Technology)
Massimo Mastrangeli (TU Delft - Electrical Engineering, Mathematics and Computer Science)
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Abstract
We present the fluidic and electrical packaging of a novel silicon-based trans-epithelial electrical resistance (TEER) sensor chip designed for a modular and standardized organ-on-chip (OoC) platform. The package comprises three key components: the housing of the TEER chip, microfluidic routing for seamless integration with the platform, and electrical connections to a platform-integrated potentiostat. This modular solution enables continuous impedance measurements while maintaining unobstructed optical access to the tissue culture region. Experiments confirmed leak-free fluid flow across the stacked microfluidic channels and stable sensitivity of TiN electrodes to PBS. The TEER module retains optical transparency, bi-ocompatibility, and industrial scalability, supporting advanced in situ tissue barrier assessments in standardized OoC systems.