Preparation of a nano insecticide using dried Lawasonia Inermis leaves with TeO2 and investigate its effectiveness against house flie

Background: Lawasonia Inermis (henna) extract and trillium dioxide (TeO2) has many applications among them is biomedicine and pharmaceutical industry.
Objective: the current study aimed to prepare extract from henna leaves, and synthesize novel nanoparticles derived from henna extract and TeO2, characterized them and test its bioactivity against house flies.
Materials and Methods: Lawasonia Inermis (henna) leaves and TeO2 were collected from local markets in Baghdad, Iraq. The extraction of henna leaves was prepared and the TeO2nano particles was synthesized according to a certain procedures, the nanoparticles of the combination of henna extract and TeO2 was prepared a characterized successfully using different techniques such UV-Vis, XRD, AFM. The bioactivity of all the compounds was evaluated and tested.
Results: The UV-Vis, XRD and AFM spectra was collected and evaluated. The bioactivity was also examined against house fly and the collected data was clear and very optimistic. It was found that the highest effect was of trillium nanoparticles prepared at a concentration of 500ppm to reach 100% to kill the 1st larval. It also shows clear decreases in the effect at the same concentration above for the 1st larval stage when using only trillium oxide or only henna leaves extract, 30% and 10% respectively,
Conclusions: Many conclusions were found in this work, among them are; extract of Lawasonia Inermis leaves was prepared successfully, novel nanoparticles were synthesized from henna extract and TeO2 nanoparticles (HennaTeO2NPs) was prepared, characterization of the novel hennaTeO2NPs was carried out, and the bioactivity of the novel nanoparticles was carried out against house fly and it was noticed that the novel henna nanoparticles shows best activity.