Institution: | 1. Reflk Saydam National Public Health Agency, Drug and Cosmetics Research Department Laboratories, Sdhhiye, Ankara, Turkey.E-mail: dcansaran@yahoo.com 2. Department of Chemistry, Faculty of Science. University of Ankara, Tandogan, Ankara, Turkey 3. Biotechnology Section, Department of Biology, Faculty of Science, University of Ankara, Tandogan, Ankara, Turkey |