about biruni kharzmi, ibn rushd. and others, and this increased my interest in science and technologysides these , i had the opportunity to work in a professional research center. i think this path can make anyone 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 with which we cooperate in various scientific researches. i will give you an example of some of our projects. some of the things we have done in the last two decades are extremely important enzymes . we know that enzymes are biocatalysts, they have important functions. the catalyst of the chemical function of a living organism is done with the help of enzymes, but these enzymes lead to disease if they are too much. therefore, the important role of enzymes should not be ignored, but inhibiting the activity of this enzymes are also important. there are many cases, for example, choline, which is related to alzheimer's disease , was one of our projects. we identified many inhibitors, some of which were very important and