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. Author manuscript; available in PMC: 2012 Apr 29.
Published in final edited form as: J Am Chem Soc. 2012 Mar 16;134(12):5689–5696. doi: 10.1021/ja300839n

Figure 4.

Figure 4

The pinwheel effect allows for quantification of DNA and white blood cell counting. (A) Bar graph showing that pinwheel activity is dominant for the plasma (buffy coat) fraction of whole blood, as expected since the white blood cells contain the DNA (fractions obtained from the same sample by centrifugation). (B) Comparison of cell counting via the Coulter counting method and the present bead-based approach: even when the cell count varies significantly, the accuracy of the method does not.