Fig. 3From: Biosynthesis, Characterization, and Bioactivities Evaluation of Silver and Gold Nanoparticles Mediated by the Roots of Chinese Herbal Angelica pubescens MaximUV-Vis absorption spectra of DH-AgNps (a) and DH-AuNps (b) showing the effect of varying pH. UV-Vis absorption spectra of DH-AgNps (c) and DH-AuNps (d) showing the effect of varying temperatureBack to article page