Naoya Kishikawa received his Bachelor's (1998), Master's (2000), and Doctor's (2006) degrees in Pharmaceutical Sciences from Nagasaki University. He served as a Research Associate (2001-2005), a Lecturer (2006-2007), and an Associate Professor (2008-2024) at Nagasaki University. He is currently a Professor at the Graduate School of Biomedical Sciences, Nagasaki University. He received the Japan Society for Analytical Chemistry Award for Young Scientists in 2011. His current research interests include the development and application of organic reagents for fluorescence and luminescence analysis, in addition to monitoring of environmental pollutants and the development and application of specific detection methods for reactive oxygen species. Additionally, he specialises in the fabrication and design of non-enzymatic tags for immunoassays based on quinones as signal generators.