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A microfluidic control system with re-usable micropump/valve actuator and injection moulded disposable polymer lab-on-a-slide

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4 Author(s)
Minqiang Bu ; Dept. of Micro & Nanotechnol. (DTU Nanotech), Tech. Univ. of Denmark, Lyngby, Denmark ; Perch-Nielsen, I.R. ; Yi Sun ; Wolff, A.

A microfluidic control system consisting of micropump/valves with a re-usable pneumatic actuator and a disposable polymer lab-on-a-slide is presented. The lab-on-a-slide was fabricated using low cost methods, such as injection moulding of TOPAS® cyclic olefin copolymer (COC) slide, lamination of different layers of polymer, and ultrasonic welding of TOPAS® lid to the slide. The re-usable pneumatic actuator not only simplifies the design of the lab-on-a-slide and reduces the fabrication cost, but also reduces the possibility of cross contamination during replacement of the disposable lab-on-a-slide. The experiment results show the micropump is capable of providing a wide range of flow rate (20-300 μL/min), and microvalves provides a reliable fluidic control in the different parts of the system.

Published in:

Solid-State Sensors, Actuators and Microsystems Conference (TRANSDUCERS), 2011 16th International

Date of Conference:

5-9 June 2011

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