Abstract
The miniaturization of fluidic and electronic components (pumps, valves, sensors, actuators) presents new applications in many fields. Often, microsystems are realized in silicon technology. However, since this technology is rather expensive, it is difficult to build up low-cost systems, especially for small quantities. A new alternative technology for fluidic microsystems has been developed at the University of Rostock. The new technology is based on printed circuit board (PCB) technique and allows the hybrid integration of both electronic and fluidic components at low costs. This article presents components for a microfluidic pH-regulation system based on PCB technology. The pH-regulation system consists of an optical pH-sensor and a CO 2-diffusor. It can be used for cell culture systems and serves as an application example for the fluidic PCB technology.
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