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. 2017 Jun 1;7(6):132. doi: 10.3390/nano7060132

Figure 3.

Figure 3

(a) Fluorescence intensity and (b) emission wavelength of Cu(I)-GSH complex at different RGSH/Cu; (c) Fluorescence intensity of Cu(I)-GSH complex (Cu/GSH = 1:4 mol/mol) at different pH values; (d) Absorption spectrum of non-luminescent Cu(II)-GSSG complex.