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. 2012 Jan 31;17(2):1247–1277. doi: 10.3390/molecules17021247

Figure 2.

Figure 2

Left: CD spectra of Cu(II) complex of BQPA (complex 1, 0.5 mM) by itself and with each enantiomer of PBA (1.0 mM) in 75% MeCN/H2O with 20 mM HEPES buffer at pH 7.4 [23]. Right: Structures of PBA and other analytes. Reproduced by permission of the American Chemical Society.