Single-use bags

Gamma-irradiated single-use bag bioreactors in the 50-2000 L stirred-tank class — Sartorius Biostat STR, Cytiva Xcellerex XDR, Thermo Fisher HyPerforma, Merck Mobius — that replaced stainless steel for clinical and commercial mAb, vaccine and cell-and-gene-therapy manufacturing, cutting facility build-out from years to weeks and underpinning the CDMO economy.