Fig. 4From: Standard protocol for the total red blood cell Pig-a assay used in the interlaboratory trial organized by the Mammalian Mutagenicity Study Group of the Japanese Environmental Mutagen SocietyGate adjustment with the CD59 single-stain sample. Adjust the P2 gate to exclude the negative cell population; insure that %parent of P2 is below 0.5%Back to article page