Autologous T-cell therapies no longer are limited to small, single-site trials. National and international demand is growing, bringing with it the demand for rapid scaling of manufacturing. But there is little margin for error, because any variables in an end-product could result in a potentially hazardous change to a therapy’s potency. Cryopreservation is a critical tool for quality control and transport of cells. Liquid nitrogen (LN2)–based controlled-rate freezers have long been used to freeze clinical-grade T cells. Cells are frozen…