Fig. 7From: Sustainable microbial cell nanofactory for zinc oxide nanoparticles production by zinc-tolerant probiotic Lactobacillus plantarum strain TA4UV–vis absorption spectrum of biosynthesized ZnO NPs by L. plantarum strain TA4 cell biomass exposed to Zn2+. a Particle size distribution as obtained from DLS of biosynthesized ZnO NPs by L. plantarum strain TA4 (b)Back to article page