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. Author manuscript; available in PMC: 2005 Sep 13.
Published in final edited form as: J Nucl Med. 2005 May;46(5):807–815.

FIGURE 1.

FIGURE 1

Calcium titration of 99mTc-annexin V-128 binding to RBC with exposed PS. The line is the fitted function used to determine the EC50 and Hill coefficient values, from which the logarithm of the binding constant (pK value) is calculated (20).