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. Author manuscript; available in PMC: 2011 Nov 1.
Published in final edited form as: Inorg Chem. 2010 Nov 1;49(21):9909–9920. doi: 10.1021/ic100968p

Figure 2.

Figure 2

Changes in absorbances of TCHpH with pH: a) OD at 435 nm and OD at 459 nm and their fits to equation (1); b) ratios of absorbances and their fits to the Boltzman type sigmoidal curves (S3–S5); c) OD at 490 nm and its fit to a Gaussian form (pHmax=6.86).