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. 2020 Jan 2;100(6):874–886. doi: 10.1038/s41374-019-0366-y

Fig. 5. PD-L1 expression by E1L3N in FFPE tonsil sections at days 0, 1, 3, 7, 14, 21, and 28.

Fig. 5

The first row shows tissue sections stored under normal ambient conditions, the second and third row shows tissue sections within an incubator at 100% oxygen, 37 °C and 80% humidity without (second row) and with (third row) desiccant. PD-L1 programmed-death-ligand-1, FFPE formalin-fixed, paraffin embedded.