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Keywords:

  • Cytometry;
  • accuracy;
  • sensitivity;
  • specificity;
  • imprecision

Multi-color flow cytometry is a unique technology, which enables the analysis of heterogeneous cellular systems and provides multiparametric information on a cell-by-cell basis. A variety of factors contribute to the complexity of validating cell-based flow cytometric methods, including the lack of fully characterized cellular reference materials and the difficulty in obtaining, or creating, samples with varying levels of a given cell type or varying levels of expression of a given antigen. This document summarizes validation requirements and describes validation strategies for quasi-quantitative and qualitative cell-based flow cytometric assays. © 2013 International Clinical Cytometry Society