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. 2020 May 27;25(11):2499. doi: 10.3390/molecules25112499

Figure 7.

Figure 7

(A–C): absorption spectra (left vertical axis; full lines 1 day after print, dashed lines 14 days after print) and ΔTλ values (circles, right vertical axis) for prints on glass slides with inks containing AuNP@HS-PEGCOO(−), AuNP@HS-PEGCOO(−)/PAH(+) and AuNP@HS-PEGCOO(−)/PAH(+)/PSS(−), respectively; panel A displays ΔTλ values both for 1 day after print (black circles) and for 14 days after print (grey circles), while in panel (B) and (C) the ΔTλ values at 14 days are not displayed as they are superimposable to those at 1 day. (D–F): Sλ values and relative three-wavelength barcordes for the same sequence of prints, after 1 day (left bars at a given wavelength) and after 14 days (right bars).