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. 2016 Jan 27;6:19772. doi: 10.1038/srep19772

Table 1. Comparison of calcein-release assay and new flowcytometric assay.

  Calcein-release assay Flowcytometric assay
Reproducibility low (SD=4.78~17.34) high (SD = 0.60 ~ 4.47)
Sensitivity >1 μg/ml >0.01 μg/ml
Frozen sample Not detected >0.1 μg/ml