Dr. Long Wu serves as an associate professor at Hainan University, China. He received his BS (applied chemistry) in 2015 and PhD (food science) in 2018 from Huazhong Agriculture University. He joined the Hubei University of Technology (China) as a lecturer in 2018 and then resigned to Hainan University (China) in 2020. He is currently a vising scientist working at the Leibniz Institute of Photonic Technology (Jena, Germany). Dr. Wu’s research interests include all kinds of biomaterials-based analytical techniques (electrochemistry, electrochemiluminescence, fluorometric analysis, SERS, etc.) and advanced functional materials for food and environmental analysis, bioanalysis, and bioimaging. He has published over 50 original research articles in peer-reviewed journals and 6 reviews and chapters in scientific books. He was also guest editor of two Special Issues in scientific journals.