Difference between revisions of "Lab Manual: SLA 3D-Printed Microfluidic Device Master Mold"

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Revision as of 19:05, 22 April 2024

Now that we have 3D-printers in the 20.309 lab, we can print our own in-house master molds to customize the PDMS microfluidic chips.

Mold Dimensions and Specifications

Cleaning Protocol

Leftover, uncured resin on the molds will prevent the PDMS chips from crosslinking and hardening — you'll end up with goopy chips. To ensure all uncured resin is washed off, consider the following advice and cleaning steps:

1. Do several short washes in the Form Wash Instead of one long 10-minute wash, consider interleaving shorter 5-minute washes with compressed air drying. The uncured resin likes to stick between the herringbone ridges

2. Let the parts soak in DI water overnight

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