Researchers and students from the Trace Analysis and Biosensors Center of Excellence (TAB-CoE) from Faculty of Science, Prince of Songkla University had joined the exhibition in Thailand Invention Competition 2019 at National Research Council of Thailand (NRCT) Chatuchak, Bangkok during 24-25 Septemper 2018. The team was led by Assoc. Prof. Dr. Proespichaya Kanatharana (Consultant of TAB-CoE) along with Asst. Prof. Dr. Warakorn Limbut, Asst. Prof. Dr. Chittanon Buranachai, Dr. Charinrat Siritham, Mr. Kittirat Phooplub, Mr. Konthee Boonmeeprakob and Ms. Phennapa Khanaaekwichaporn.