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. 2022 Nov 7;3(4):101872. doi: 10.1016/j.xpro.2022.101872

Plaque Assay Overlay Medium

Reagent Final concentration Volume (mL)
EMEM/14% FBS Medium N/A 50
Agarose solution (1%) 0.5% 50
Total N/A 100

Equilibrate the EMEM+14% FBS at 20°C–22°C. Prepare the plaque assay overlay medium just before adding the overlay on cells by mixing at 1:1 dilution ratio EMEM+14%FBS (at 20°C–22°C) and 1% agarose solution (at 55°C). Use immediately to overlay the cell monolayers.