Dr. Kittirat Phooplub, a lecturer from the Division of Physical Science (Physics), Faculty of Science and TAB-CoE member, delivered a portable fluorometer for field test kit of formalin in food samples to Assoc. Prof. Dr. Purim Jarujamrus, at Department of Chemistry, Faculty of Science, Ubon Ratchathani University on 18-21 December 2021. This device was invented by Dr. Kittirat Phooplub, Assoc. Prof. Dr. Chittanon Buranachai, Assoc. Prof. Dr. Panote Thavarungkul, and Assoc. Prof. Dr. Proespichaya Kanatharana.