Use of LSPR Spectroscopy Biosensing for In Situ Identification of Arsenic from Bioleaching of Realgar by Acidithiobacillus ferrooxidans

Figure 4

(a) UV-IR extinction spectra of Ag@Au core-shell NPs in aqueous solution and assembled on glass slides. (b) LSPR peaks, before and after normalization, of glass slides soaked in Ag@Au core-shell NP solution for different periods of time.

(a)

(b)