Nuclei are stained with DAPI (blue). Scale bar, 20μm/50μm. Flow cytometry was used to detect BTLA expression in CD4+ T cells, CD8+ T cells and B cells in the spleen one day after sepsis.

Per a Research report, the flow cytometry market was valued at $4.68 billion in 2024 and is expected to witness a compound annual growth rate of 8.4% through 2030.