Figure 4From: Chloroplasts-mediated biosynthesis of nanoscale Au-Ag alloy for 2-butanone assay based on electrochemical sensor (A) FTIR spectra of chloroplasts and Au-Ag alloy scanning at a range of 4,000 to approximately 1,000 cm −1 ; (B) FTIR spectra of acid-treated MWNTs. Back to article page