Abstract
Polymeric materials are emerging as popular substrates for microfluidic devices. The polydimethylsiloxane (PDMS) is one of the polymers used to make this type of device. This chapter gives experimental details for fabricating PDMS microchips. Instructions are also provided on how to observe laminar flow inside the channel by flowing two dyes and recording using a smartphone. Chemicals and materials required for the experiment and safety issues for the experiment are also provided. Additional notes that may help instructors and students are also highlighted. Assessment questions can help determine students’ knowledge of the experiment. References at the end of the chapter may be helpful for further reading.
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