Postgraduate Programs & Research Doctor of Philosophy Program in Biotechnology (International Program) Academic Staff Prof. Dr. Benjamas Cheirsilp E-mail : benjamas.che@psu.ac.th Asst. Prof. Dr. Pochanart Kanjan E-mail : pochanart.k@psu.ac.th Assoc. Prof. Dr. Suppasil Maneerat E-mail : suppasil.m@psu.ac.th Assoc. Prof. Dr. Tipparat Hongpattarakere E-mail : tipparat.h@psu.ac.th Assoc. Prof. Dr. Piyarat Boonsawang E-mail : piyarat.b@psu.ac.th Asst. Prof. Dr. Apichat Upaichit E-mail : apichat.u@psu.ac.th Asst. Prof. Dr. Wiriya Duangsuwan E-mail : wiriya.d@psu.ac.th Asst. Prof. Dr. Uschara Thumarat E-mail : uschara.t@psu.ac.th Asst. Prof. Dr. Wasana Suyotha E-mail : wasana.suy@psu.ac.th Dr. Aem Nuylert E-mail : aem.n@psu.ac.th Research Area list research area text ....