Research Article

Biosynthesis of Crystalline Silver and Gold Nanoparticles by Extremophilic Yeasts

Figure 5

UV-Vis spectra recorded with respect to time after the reaction for 24 h and 20 days of contact of yeast supernatant with 1 mM AgNO3 (a). FTIR spectrums recorded from a drop-coated film of the AgNPs/supernatant (b).
546074.fig.005a
(a)
546074.fig.005b
(b)