Biosynthesis of zinc oxide nanoparticles by using Lallemantia royleana seed extract, characterization and evaluation of their hemolytic, and catalytic degradative properties

Abstract

Nanobiotechnology is the study of small biological structures ranging in size of 1-100nm. Zinc oxide (ZnO) is a versatile inorganic molecule having strong antimicrobial, disinfecting and drying properties, useful in production of medicines. ZnO nanoparticles (ZnO-NPs) are metallic nano-particles with high catalytic, biological and UV-blockage properties. Aim of this study is to synthesize cost-effective and eco-friendly ZnO-NPs by using zinc-acetate-dihydrate and Lallemantia royleana seed-extract as reducing, stabilizing and capping agent. Biosynthesized ZnO-NPs were characterized by various analytical techniques. The characteristic peak of ZnO-NPs was measured at ∼382nm. FT-IR analysis revealed polysaccharide nature of L. royleana-extract and their functional group’s interaction with ZnO-NPs responsible for reduction and stabilization. SEM and XRD results revealed hexagonal-wurtzite structure of ZnO-NPs with average size of 18.26 nm. These ZnO-NPs possess strong anti-hemolytic and catalytic potentials. Our study showed that ZnO-NPs degrade organic pollutants effectively and can be useful for the purification of industrial effluents in future.