Skip to main content
. Author manuscript; available in PMC: 2021 Jan 29.
Published in final edited form as: Bioconjug Chem. 2019 Aug 12;31(2):194–213. doi: 10.1021/acs.bioconjchem.9b00482

Figure 17.

Figure 17.

Structure of squaraine 39 (top), the spectral response to various metal ions (bottom left), and absorbance spectral titration of 39 with Cu2+ ions. Figure used with permission from ref 104. Copyright 2010 Elsevier.