Colorimetric Analysis on Flocculation of Bioinspired Au Self-Assembly for Biophotonic Application

Figure 1

(a) Schematic diagram [1, 17, 25], (b) typical absorption spectra, (c) typical TEM images of bare Au, Au+Biotin, and Au+Biotin+Avidin, (d) absorbance as a function of SPR peak wavelength, and (e) flocculation as a function of SPR peak wavelength of bare Au, Au+Biotin, and Au+Biotin+Avidin.

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