Fig. 3: Signal variation with AuNP size. | Nature Communications

Fig. 3: Signal variation with AuNP size.

From: Lateral flow immunoassay using plasmonic scattering

Fig. 3

a Variation in extinction, absorption, and scattering signal peak intensities as a function of gold nanoparticle size. b Change in the ratio of scattering signal to absorption signal with increasing gold nanoparticle size. c A digital image of AuNP solutions. d Colourimetric images, captured by Chemi-doc, of AuNPs spots on a white background (upper) and black background (lower). AuNP gold nanoparticle.

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