The title should include “Xanthotoxol loaded chitosan nanoparticles” and “in Wistar rats”
The fund amount should be specified/estimated in Egyptian pounds even it will be self-funded as the study includes animal costs and laboratory analysis costs.
selenium nanoparticles and diethyl nitrosamine : written in title but in the text they were not written at the first appearance of their abbreviations
English language needs revision especially grammar checks