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Module 2: Fundamentals of Microfluidic Systems

2025?m

Which of the following polymers is most commonly used in Soft Lithography for microfluidics?

(i) PMMA
(ii) PDMS
(iii) Teflon
(iv) Polycarbonate

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Answer: (ii) PDMS

PDMS (Polydimethylsiloxane) is the most widely used polymer in soft lithography for microfluidics because it is transparent, flexible, biocompatible, gas-permeable, and easy to mold into microchannels.

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