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. 2019 Nov 5;20(21):5510. doi: 10.3390/ijms20215510

Figure 4.

Figure 4

Physicochemical characterization of AuNP constructs. TEM image analysis of core naked AuNPs (scale bar, 50 nm) (A) evidencing an average diameter of 14 nm (B), UV/Vis spectra of AuNP constructs, (C) and surface plasmon resonance (SPR) peak variation upon each successful functionalization (D).