Fig. 1From: Biogenic selenium nanoparticles and selenium/chitosan-Nanoconjugate biosynthesized by Streptomyces parvulus MAR4 with antimicrobial and anticancer potentiala The visual appearance of eight actinomycetes supernatants containing Na2SeO4 after 48 h of incubation. UV–Visible absorption spectra of b biosynthesized SeNPs, and c supernatant (LG)Back to article page