Center of Excellence for Trace Analysis and Biosensor (TAB-CoE), Faculty of Science, PSU welcomed Univ.-Prof. Dr. Peter A. Lieberzeit from Faculty for Chemistry, University of Vienna on Wednesday 21 November 2018. In the morning, he was warmly greeted by TAB-CoE members led by Assoc. Prof. Dr. Proespichaya Kanatharana, Assoc. Prof. Dr. Panote Thavarungkul and Asst. Prof. Dr. Chongdee Thammakhet before a round table research discussion in room Ch 318 followed by lab tours to room Ch312, P407 and P400. In the afternoon, he delivered a seminar titled “Biomimetic Matrices for Assessing Biological and Clinical Target Species” by Univ.-Prof. Dr. Peter A. Lieberzeit from the Faculty of Chemistry, University of Vienna on Wednesday 21 November 2018 from 13:00 – 14:30 at Room BSc3, Basic Science (BSc) building, Faculty of Science.