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. Author manuscript; available in PMC: 2010 Jun 11.
Published in final edited form as: J Am Chem Soc. 2006 Jun 28;128(25):8154–8155. doi: 10.1021/ja0625780

Figure 1.

Figure 1

Calibration curves for potentiometric sensors selective for calcium, lead, and silver ions on the basis of the indicated ionophores, measured by sequential dilution in 3-µL samples without any metal ion buffer (see supporting information for potential–time traces).