Appendix 1—table 2. List of PTFE tubing needed for a microfluidics-based entrainment experiment.

For the first two items, a syringe needle is to be inserted inside one end of each tubing. Plugs are made from cut PDMS-filled PTFE tubing, and are used to seal inlets after sample loading. Controls are already taken into account in the specified quantities.

Item	With needle?	Quantity	Use
3 m PTFE tubing	Y	4	Drug/medium inlet
1 m PTFE tubing	Y	2	Outlet
1 cm plug	N	24	Sample inlet+unused drug/medium inlet