at first , i was admitted to the university of arizona, but then i met professor attaur rahman, who ismy professors . so i decided to stay in pakistan the teacher played a very important role in my life. proof gave me direction and deepened my thinking and helped me define a goal for myself so that i could help others in their education because i read a lot and i was always very curious . i read about medieval muslim scientists who laid the foundations of modern science as it exists today , i read about al-burini kharazmi , ibn rushd and others, and this increased my interest in science and technology. i also wanted to work in a professional research center. i think this the path can turn anyone into a good scientist and researcher. in iran, we have many collaborations with universities in mashhad, tehran and isfahan. there is a large network of universities that we cooperate with in various areas of scientific research. i will give you an example of some of our projects. some of the things we have done over the past two decades. they are extremely important. we know that enzymes are b