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. Author manuscript; available in PMC: 2013 Apr 1.
Published in final edited form as: Eur J Inorg Chem. 2012 Feb 8;2012(12):2135–2140. doi: 10.1002/ejic.201101166

Figure 1.

Figure 1

Evolution of R1p(t)/R1p(t=0) versus time for the Eu2+-containing cryptates Eu–1 (◇) and Eu–2 (□) (2.5 mM) in the presence of Ca2+ (2.5 mM). The value 0.8 on the y-axis is the threshold for the kinetic index. Error bars represent standard error of the mean.