Table 3. Composition of aggregation medium.

Reagent	Amount for 50 ml	Supplier	Dilution factor	Product no.	Stock conc.	Final conc.
smNPC medium	45 ml
Polyvinyl alcohol (PVA, in water)*	5 ml	Sigma-Aldrich	10	363170	4% (w/v)	0.4% (w/v)