Fig. 6

Zeta potential [ζ-potential; milivolts (mV)] for the biosynthesized silver nanoparticles (AgNPs) of Talaromyces pinophilus (blue), Aspergillus fructus (red), Purpureocillium lilacinum (purple), Penicillium toxicarium (green), and Emericellopsis maritima (orange) cell-free filtrates grown in distilled water medium.