Rashid Eltayeb Abdalla3, Omer Abbas Mohamad Jahala¹*, Omer Musa Izzeldin2,, 1 Faculty of Medical Laboratory science, Shendi University, Sudan. 2 Faculty of Science and Technology .Omdurman Islamic University, Sudan. 3 Faculty of Medicine and Surgery, SHENDI UNIVERSTY, Sudan. 3 Faculty of Pharmacy, Ahfad University for Women, Sudan., Sudan