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. 2021 Jul 30;11(8):1961. doi: 10.3390/nano11081961

Figure 5.

Figure 5

(a) Plasmonic spectra at varying of the BSA concentration (0–10−5 M) relative to “GNG-based longitudinal” configuration. Zoom of the resonance wavelength area relative to (b) peak at 550 nm and (c) peak at 630 nm.