Department of Chemistry at the College of Applied Sciences is announcing the defense of master thesis to be submitted by Mrs. Manal Mohamed Sharikh Al-Sharikh under the title: "Application of green chemistry to produce new nanotubes derivatives with expected biological activity". The defense is scheduled for Sunday Sha'ban 20, 1439 H at 12:30 PM at the office of the deputy head of chemistry department- Al-Zahir females campus and meetings hall, chemistry department, College of Applied Sciences, males section Abdyia.