Extended Data Fig. 8: Quality control of batches generated from single human H1 CDK1–TK/CDK1–TK ES cells.
From: Linking a cell-division gene and a suicide gene to define and improve cell therapy safety

a, The drop of SCL due to aliquoting from a pool of cells relative to non-aliquoted batches of the same size. b, Schematics of the alleles in the CDK1–TK/CDK1–TK human ES cells used in the quality control. c, Workflow schematic of performing quality control (QC) on several ES cell batches. d, An example of the flow cytometry for the quality control of nine clonally derived batches. e, An example of PCR for the quality control of nine clonally derived batches.